A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

abandonBlock(Block, String, String) - Method in class org.apache.hadoop.dfs.NameNode
The client needs to give up on the block.
ABSOLUTE - Static variable in class org.apache.hadoop.metrics.spi.MetricValue
 
AbstractMapWritable - Class in org.apache.hadoop.io
Abstract base class for MapWritable and SortedMapWritable Unlike org.apache.nutch.crawl.MapWritable, this class allows creation of MapWritable<Writable, MapWritable> so the CLASS_TO_ID and ID_TO_CLASS maps travel with the class instead of being static.
AbstractMapWritable() - Constructor for class org.apache.hadoop.io.AbstractMapWritable
constructor.
AbstractMetricsContext - Class in org.apache.hadoop.metrics.spi
The main class of the Service Provider Interface.
AbstractMetricsContext() - Constructor for class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Creates a new instance of AbstractMetricsContext
accept(Path) - Method in interface org.apache.hadoop.fs.PathFilter
Tests whether or not the specified abstract pathname should be included in a pathname list.
accept(Class<?>) - Method in class org.apache.hadoop.io.serializer.JavaSerialization
 
accept(Class<?>) - Method in interface org.apache.hadoop.io.serializer.Serialization
Allows clients to test whether this Serialization supports the given class.
accept(Class<?>) - Method in class org.apache.hadoop.io.serializer.WritableSerialization
 
accept(CompositeRecordReader.JoinCollector, K) - Method in interface org.apache.hadoop.mapred.join.ComposableRecordReader
While key-value pairs from this RecordReader match the given key, register them with the JoinCollector provided.
accept(CompositeRecordReader.JoinCollector, K) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
If key provided matches that of this Composite, give JoinCollector iterator over values it may emit.
accept(CompositeRecordReader.JoinCollector, K) - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
Add an iterator to the collector at the position occupied by this RecordReader over the values in this stream paired with the key provided (ie register a stream of values from this source matching K with a collector).
accept(Path) - Method in class org.apache.hadoop.mapred.OutputLogFilter
 
accept(Object) - Method in interface org.apache.hadoop.mapred.SequenceFileInputFilter.Filter
filter function Decide if a record should be filtered or not
accept(Object) - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter.MD5Filter
Filtering method If MD5(key) % frequency==0, return true; otherwise return false
accept(Object) - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter.PercentFilter
Filtering method If record# % frequency==0, return true; otherwise return false
accept(Object) - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter.RegexFilter
Filtering method If key matches the regex, return true; otherwise return false
AccessControlException - Exception in org.apache.hadoop.fs.permission
An exception class for access control related issues.
AccessControlException() - Constructor for exception org.apache.hadoop.fs.permission.AccessControlException
Default constructor is needed for unwrapping from RemoteException.
AccessControlException(String) - Constructor for exception org.apache.hadoop.fs.permission.AccessControlException
Constructs an AccessControlException with the specified detail message.
activateOptions() - Method in class org.apache.hadoop.mapred.TaskLogAppender
 
add(Object) - Method in class org.apache.hadoop.contrib.utils.join.ArrayListBackedIterator
 
add(Object) - Method in interface org.apache.hadoop.contrib.utils.join.ResetableIterator
 
add(X) - Method in class org.apache.hadoop.mapred.join.ArrayListBackedIterator
 
add(InputSplit) - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
Add an InputSplit to this collection.
add(ComposableRecordReader<K, ? extends V>) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Add a RecordReader to this collection.
add(TupleWritable) - Method in class org.apache.hadoop.mapred.join.JoinRecordReader.JoinDelegationIterator
 
add(V) - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader.MultiFilterDelegationIterator
 
add(T) - Method in interface org.apache.hadoop.mapred.join.ResetableIterator
Add an element to the collection of elements to iterate over.
add(U) - Method in class org.apache.hadoop.mapred.join.ResetableIterator.EMPTY
 
add(X) - Method in class org.apache.hadoop.mapred.join.StreamBackedIterator
 
add(Node) - Method in class org.apache.hadoop.net.NetworkTopology
Add a leaf node Update node counter & rack counter if neccessary
add_escapes(String) - Method in exception org.apache.hadoop.record.compiler.generated.ParseException
Used to convert raw characters to their escaped version when these raw version cannot be used as part of an ASCII string literal.
addArchiveToClassPath(Path, Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
Add an archive path to the current set of classpath entries.
addBlock(String, String) - Method in class org.apache.hadoop.dfs.NameNode
 
addCacheArchive(URI, Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
Add a archives to be localized to the conf
addCacheFile(URI, Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
Add a file to be localized to the conf
addClass(String, Class, String) - Method in class org.apache.hadoop.util.ProgramDriver
This is the method that adds the classed to the repository
addColumn(ColumnName, boolean) - Method in class org.apache.hadoop.examples.dancing.DancingLinks
Add a column to the table
addColumn(ColumnName) - Method in class org.apache.hadoop.examples.dancing.DancingLinks
Add a column to the table
addCommand(List<String>, boolean) - Static method in class org.apache.hadoop.mapred.TaskLog
Add quotes to each of the command strings and return as a single string
addDefaults() - Method in class org.apache.hadoop.mapred.join.CompositeInputFormat
Adds the default set of identifiers to the parser.
addDependingJob(Job) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Add a job to this jobs' dependency list.
addDoubleValue(Object, double) - Method in class org.apache.hadoop.contrib.utils.join.JobBase
Increment the given counter by the given incremental value If the counter does not exist, one is created with value 0.
addEscapes(String) - Static method in error org.apache.hadoop.record.compiler.generated.TokenMgrError
Replaces unprintable characters by their espaced (or unicode escaped) equivalents in the given string
addField(String, TypeID) - Method in class org.apache.hadoop.record.meta.RecordTypeInfo
Add a field.
addFileset(FileSet) - Method in class org.apache.hadoop.record.compiler.ant.RccTask
Adds a fileset that can consist of one or more files
addFileToClassPath(Path, Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
Add an file path to the current set of classpath entries It adds the file to cache as well.
addIdentifier(String, Class<?>[], Class<? extends Parser.Node>, Class<? extends ComposableRecordReader>) - Static method in class org.apache.hadoop.mapred.join.Parser.Node
For a given identifier, add a mapping to the nodetype for the parse tree and to the ComposableRecordReader to be created, including the formals required to invoke the constructor.
addInputPath(JobConf, Path) - Static method in class org.apache.hadoop.mapred.FileInputFormat
Add a Path to the list of inputs for the map-reduce job.
addInputPath(Path) - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. Use FileInputFormat.addInputPath(JobConf, Path) or FileInputFormat.addInputPaths(JobConf, String)
addInputPaths(JobConf, String) - Static method in class org.apache.hadoop.mapred.FileInputFormat
Add the given comma separated paths to the list of inputs for the map-reduce job.
additionalConfSpec_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
addJob(Job) - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
Add a new job.
addJobs(Collection<Job>) - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
Add a collection of jobs
addLongValue(Object, long) - Method in class org.apache.hadoop.contrib.utils.join.JobBase
Increment the given counter by the given incremental value If the counter does not exist, one is created with value 0.
addMissing(String, long) - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Add a missing block name, plus its size.
addName(Class, String) - Static method in class org.apache.hadoop.io.WritableName
Add an alternate name for a class.
addNextValue(Object) - Method in class org.apache.hadoop.mapred.lib.aggregate.DoubleValueSum
add a value to the aggregator
addNextValue(double) - Method in class org.apache.hadoop.mapred.lib.aggregate.DoubleValueSum
add a value to the aggregator
addNextValue(Object) - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueMax
add a value to the aggregator
addNextValue(long) - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueMax
add a value to the aggregator
addNextValue(Object) - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueMin
add a value to the aggregator
addNextValue(long) - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueMin
add a value to the aggregator
addNextValue(Object) - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueSum
add a value to the aggregator
addNextValue(long) - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueSum
add a value to the aggregator
addNextValue(Object) - Method in class org.apache.hadoop.mapred.lib.aggregate.StringValueMax
add a value to the aggregator
addNextValue(Object) - Method in class org.apache.hadoop.mapred.lib.aggregate.StringValueMin
add a value to the aggregator
addNextValue(Object) - Method in class org.apache.hadoop.mapred.lib.aggregate.UniqValueCount
add a value to the aggregator
addNextValue(Object) - Method in interface org.apache.hadoop.mapred.lib.aggregate.ValueAggregator
add a value to the aggregator
addNextValue(Object) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueHistogram
add the given val to the aggregator.
addPhase(String) - Method in class org.apache.hadoop.util.Progress
Adds a named node to the tree.
addPhase() - Method in class org.apache.hadoop.util.Progress
Adds a node to the tree.
addResource(String) - Method in class org.apache.hadoop.conf.Configuration
Add a configuration resource.
addResource(URL) - Method in class org.apache.hadoop.conf.Configuration
Add a configuration resource.
addResource(Path) - Method in class org.apache.hadoop.conf.Configuration
Add a configuration resource.
addRow(boolean[]) - Method in class org.apache.hadoop.examples.dancing.DancingLinks
Add a row to the table.
addServlet(String, String, Class<T>) - Method in class org.apache.hadoop.mapred.StatusHttpServer
Add a servlet in the server.
addSslListener(InetSocketAddress, String, String, String) - Method in class org.apache.hadoop.mapred.StatusHttpServer
Configure an ssl listener on the server.
addStaticResolution(String, String) - Static method in class org.apache.hadoop.net.NetUtils
Adds a static resolution for host.
addTableFooter(JspWriter) - Method in class org.apache.hadoop.dfs.JspHelper
 
addTableHeader(JspWriter) - Method in class org.apache.hadoop.dfs.JspHelper
 
addTableRow(JspWriter, String[]) - Method in class org.apache.hadoop.dfs.JspHelper
 
addTableRow(JspWriter, String[], int) - Method in class org.apache.hadoop.dfs.JspHelper
 
addTaskEnvironment_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
addToMap(Class) - Method in class org.apache.hadoop.io.AbstractMapWritable
Add a Class to the maps if it is not already present.
adjustBeginLineColumn(int, int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
Method to adjust line and column numbers for the start of a token.
adjustTop() - Method in class org.apache.hadoop.util.PriorityQueue
Should be called when the Object at top changes values.
adminState - Variable in class org.apache.hadoop.dfs.DatanodeInfo
 
AggregateWordCount - Class in org.apache.hadoop.examples
This is an example Aggregated Hadoop Map/Reduce application.
AggregateWordCount() - Constructor for class org.apache.hadoop.examples.AggregateWordCount
 
AggregateWordCount.WordCountPlugInClass - Class in org.apache.hadoop.examples
 
AggregateWordCount.WordCountPlugInClass() - Constructor for class org.apache.hadoop.examples.AggregateWordCount.WordCountPlugInClass
 
AggregateWordHistogram - Class in org.apache.hadoop.examples
This is an example Aggregated Hadoop Map/Reduce application.
AggregateWordHistogram() - Constructor for class org.apache.hadoop.examples.AggregateWordHistogram
 
AggregateWordHistogram.AggregateWordHistogramPlugin - Class in org.apache.hadoop.examples
 
AggregateWordHistogram.AggregateWordHistogramPlugin() - Constructor for class org.apache.hadoop.examples.AggregateWordHistogram.AggregateWordHistogramPlugin
 
aggregatorDescriptorList - Variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase
 
allFinished() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
ALREADY_RUNNING - Static variable in class org.apache.hadoop.dfs.Balancer
 
AlreadyBeingCreatedException - Exception in org.apache.hadoop.dfs
The exception that happens when you ask to create a file that already is being created, but is not closed yet.
AlreadyBeingCreatedException(String) - Constructor for exception org.apache.hadoop.dfs.AlreadyBeingCreatedException
 
and(FsAction) - Method in enum org.apache.hadoop.fs.permission.FsAction
AND operation.
append(Path, int, Progressable) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
This optional operation is not yet supported.
append(Path, int, Progressable) - Method in class org.apache.hadoop.dfs.HftpFileSystem
This optional operation is not yet supported.
append(Path) - Method in class org.apache.hadoop.fs.FileSystem
Append to an existing file (optional operation).
append(Path, int) - Method in class org.apache.hadoop.fs.FileSystem
Append to an existing file (optional operation).
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
Append to an existing file (optional operation).
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.FilterFileSystem
Append to an existing file (optional operation).
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
This optional operation is not yet supported.
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
This optional operation is not yet supported.
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
Append to an existing file (optional operation).
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.s3.S3FileSystem
This optional operation is not yet supported.
append(Path, int, Progressable) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
This optional operation is not yet supported.
append(Writable) - Method in class org.apache.hadoop.io.ArrayFile.Writer
Append a value to the file.
append(WritableComparable, Writable) - Method in class org.apache.hadoop.io.MapFile.Writer
Append a key/value pair to the map.
append(Writable, Writable) - Method in class org.apache.hadoop.io.SequenceFile.Writer
Append a key/value pair.
append(Object, Object) - Method in class org.apache.hadoop.io.SequenceFile.Writer
Append a key/value pair.
append(WritableComparable) - Method in class org.apache.hadoop.io.SetFile.Writer
Append a key to a set.
append(byte[], int, int) - Method in class org.apache.hadoop.io.Text
Append a range of bytes to the end of the given text
append(LoggingEvent) - Method in class org.apache.hadoop.mapred.TaskLogAppender
 
append(LoggingEvent) - Method in class org.apache.hadoop.metrics.jvm.EventCounter
 
append(byte[], int, int) - Method in class org.apache.hadoop.record.Buffer
Append specified bytes to the buffer.
append(byte[]) - Method in class org.apache.hadoop.record.Buffer
Append specified bytes to the buffer
appendRaw(byte[], int, int, SequenceFile.ValueBytes) - Method in class org.apache.hadoop.io.SequenceFile.Writer
 
applyUMask(FsPermission) - Method in class org.apache.hadoop.fs.permission.FsPermission
Apply a umask to this permission and return a new one
applyUMask(FsPermission) - Method in class org.apache.hadoop.fs.permission.PermissionStatus
Apply umask.
archiveURIs - Variable in class org.apache.hadoop.streaming.StreamJob
 
args - Variable in class org.apache.hadoop.fs.shell.Command
 
argv_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
ArrayFile - Class in org.apache.hadoop.io
A dense file-based mapping from integers to values.
ArrayFile() - Constructor for class org.apache.hadoop.io.ArrayFile
 
ArrayFile.Reader - Class in org.apache.hadoop.io
Provide access to an existing array file.
ArrayFile.Reader(FileSystem, String, Configuration) - Constructor for class org.apache.hadoop.io.ArrayFile.Reader
Construct an array reader for the named file.
ArrayFile.Writer - Class in org.apache.hadoop.io
Write a new array file.
ArrayFile.Writer(Configuration, FileSystem, String, Class) - Constructor for class org.apache.hadoop.io.ArrayFile.Writer
Create the named file for values of the named class.
ArrayFile.Writer(Configuration, FileSystem, String, Class, SequenceFile.CompressionType, Progressable) - Constructor for class org.apache.hadoop.io.ArrayFile.Writer
Create the named file for values of the named class.
ArrayListBackedIterator - Class in org.apache.hadoop.contrib.utils.join
This class provides an implementation of ResetableIterator.
ArrayListBackedIterator() - Constructor for class org.apache.hadoop.contrib.utils.join.ArrayListBackedIterator
 
ArrayListBackedIterator(ArrayList<Object>) - Constructor for class org.apache.hadoop.contrib.utils.join.ArrayListBackedIterator
 
ArrayListBackedIterator<X extends Writable> - Class in org.apache.hadoop.mapred.join
This class provides an implementation of ResetableIterator.
ArrayListBackedIterator() - Constructor for class org.apache.hadoop.mapred.join.ArrayListBackedIterator
 
ArrayListBackedIterator(ArrayList<X>) - Constructor for class org.apache.hadoop.mapred.join.ArrayListBackedIterator
 
arrayToString(String[]) - Static method in class org.apache.hadoop.util.StringUtils
Given an array of strings, return a comma-separated list of its elements.
ArrayWritable - Class in org.apache.hadoop.io
A Writable for arrays containing instances of a class.
ArrayWritable(Class) - Constructor for class org.apache.hadoop.io.ArrayWritable
 
ArrayWritable(Class, Writable[]) - Constructor for class org.apache.hadoop.io.ArrayWritable
 
ArrayWritable(String[]) - Constructor for class org.apache.hadoop.io.ArrayWritable
 
available() - Method in class org.apache.hadoop.fs.FSInputChecker
 
available() - Method in class org.apache.hadoop.io.compress.GzipCodec.GzipInputStream
 

B

backup(int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
Balancer - Class in org.apache.hadoop.dfs
The balancer is a tool that balances disk space usage on an HDFS cluster when some datanodes become full or when new empty nodes join the cluster.
beginColumn - Variable in class org.apache.hadoop.record.compiler.generated.Token
beginLine and beginColumn describe the position of the first character of this token; endLine and endColumn describe the position of the last character of this token.
beginLine - Variable in class org.apache.hadoop.record.compiler.generated.Token
beginLine and beginColumn describe the position of the first character of this token; endLine and endColumn describe the position of the last character of this token.
BeginToken() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
bestNode(LocatedBlock) - Method in class org.apache.hadoop.dfs.JspHelper
 
BinaryRecordInput - Class in org.apache.hadoop.record
 
BinaryRecordInput(InputStream) - Constructor for class org.apache.hadoop.record.BinaryRecordInput
Creates a new instance of BinaryRecordInput
BinaryRecordInput(DataInput) - Constructor for class org.apache.hadoop.record.BinaryRecordInput
Creates a new instance of BinaryRecordInput
BinaryRecordOutput - Class in org.apache.hadoop.record
 
BinaryRecordOutput(OutputStream) - Constructor for class org.apache.hadoop.record.BinaryRecordOutput
Creates a new instance of BinaryRecordOutput
BinaryRecordOutput(DataOutput) - Constructor for class org.apache.hadoop.record.BinaryRecordOutput
Creates a new instance of BinaryRecordOutput
bind(ServerSocket, InetSocketAddress, int) - Static method in class org.apache.hadoop.ipc.Server
A convenience method to bind to a given address and report better exceptions if the address is not a valid host.
Block - Class in org.apache.hadoop.fs.s3
Holds metadata about a block of data being stored in a FileSystemStore.
Block(long, long) - Constructor for class org.apache.hadoop.fs.s3.Block
 
BLOCK_INVALIDATE_CHUNK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
blockExists(long) - Method in interface org.apache.hadoop.fs.s3.FileSystemStore
 
BlockLocation - Class in org.apache.hadoop.fs
 
BlockLocation() - Constructor for class org.apache.hadoop.fs.BlockLocation
Default Constructor
BlockLocation(String[], String[], long, long) - Constructor for class org.apache.hadoop.fs.BlockLocation
Constructor with host, name, offset and length
blockReceived(DatanodeRegistration, Block[], String[]) - Method in class org.apache.hadoop.dfs.NameNode
 
blockReport(DatanodeRegistration, long[]) - Method in class org.apache.hadoop.dfs.NameNode
 
blockReport - Variable in class org.apache.hadoop.dfs.NameNodeMetrics
 
BLOCKREPORT_INITIAL_DELAY - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
BLOCKREPORT_INTERVAL - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
blockReports - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
blocksRead - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
blocksRemoved - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
blocksReplicated - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
blocksTotal - Variable in class org.apache.hadoop.dfs.FSNamesystemMetrics
 
blocksVerified - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
blocksWritten - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
blockVerificationFailures - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
BOOL - Static variable in class org.apache.hadoop.record.meta.TypeID.RIOType
 
BOOLEAN_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
BooleanWritable - Class in org.apache.hadoop.io
A WritableComparable for booleans.
BooleanWritable() - Constructor for class org.apache.hadoop.io.BooleanWritable
 
BooleanWritable(boolean) - Constructor for class org.apache.hadoop.io.BooleanWritable
 
BooleanWritable.Comparator - Class in org.apache.hadoop.io
A Comparator optimized for BooleanWritable.
BooleanWritable.Comparator() - Constructor for class org.apache.hadoop.io.BooleanWritable.Comparator
 
BoolTypeID - Static variable in class org.apache.hadoop.record.meta.TypeID
Constant classes for the basic types, so we can share them.
bufcolumn - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
Buffer - Class in org.apache.hadoop.record
A byte sequence that is used as a Java native type for buffer.
Buffer() - Constructor for class org.apache.hadoop.record.Buffer
Create a zero-count sequence.
Buffer(byte[]) - Constructor for class org.apache.hadoop.record.Buffer
Create a Buffer using the byte array as the initial value.
Buffer(byte[], int, int) - Constructor for class org.apache.hadoop.record.Buffer
Create a Buffer using the byte range as the initial value.
buffer - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
BUFFER - Static variable in class org.apache.hadoop.record.meta.TypeID.RIOType
 
BUFFER_SIZE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
BUFFER_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
BufferedFSInputStream - Class in org.apache.hadoop.fs
A class optimizes reading from FSInputStream by bufferring
BufferedFSInputStream(FSInputStream, int) - Constructor for class org.apache.hadoop.fs.BufferedFSInputStream
Creates a BufferedFSInputStream with the specified buffer size, and saves its argument, the input stream in, for later use.
BufferTypeID - Static variable in class org.apache.hadoop.record.meta.TypeID
 
bufline - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
bufpos - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
buildRoot(HttpServletRequest, XMLOutputter) - Method in class org.apache.hadoop.dfs.ListPathsServlet
Build a map from the query string, setting values and defaults.
BuiltInZlibDeflater - Class in org.apache.hadoop.io.compress.zlib
A wrapper around java.util.zip.Deflater to make it conform to org.apache.hadoop.io.compress.Compressor interface.
BuiltInZlibDeflater(int, boolean) - Constructor for class org.apache.hadoop.io.compress.zlib.BuiltInZlibDeflater
 
BuiltInZlibDeflater(int) - Constructor for class org.apache.hadoop.io.compress.zlib.BuiltInZlibDeflater
 
BuiltInZlibDeflater() - Constructor for class org.apache.hadoop.io.compress.zlib.BuiltInZlibDeflater
 
BuiltInZlibInflater - Class in org.apache.hadoop.io.compress.zlib
A wrapper around java.util.zip.Inflater to make it conform to org.apache.hadoop.io.compress.Decompressor interface.
BuiltInZlibInflater(boolean) - Constructor for class org.apache.hadoop.io.compress.zlib.BuiltInZlibInflater
 
BuiltInZlibInflater() - Constructor for class org.apache.hadoop.io.compress.zlib.BuiltInZlibInflater
 
BYTE - Static variable in class org.apache.hadoop.record.meta.TypeID.RIOType
 
BYTE_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
byteDesc(long) - Static method in class org.apache.hadoop.fs.FsShell
Return an abbreviated English-language desc of the byte length
bytesRead - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
bytesToCodePoint(ByteBuffer) - Static method in class org.apache.hadoop.io.Text
Returns the next code point at the current position in the buffer.
BytesWritable - Class in org.apache.hadoop.io
A byte sequence that is usable as a key or value.
BytesWritable() - Constructor for class org.apache.hadoop.io.BytesWritable
Create a zero-size sequence.
BytesWritable(byte[]) - Constructor for class org.apache.hadoop.io.BytesWritable
Create a BytesWritable using the byte array as the initial value.
BytesWritable.Comparator - Class in org.apache.hadoop.io
A Comparator optimized for BytesWritable.
BytesWritable.Comparator() - Constructor for class org.apache.hadoop.io.BytesWritable.Comparator
 
bytesWritten - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
byteToHexString(byte[]) - Static method in class org.apache.hadoop.util.StringUtils
Given an array of bytes it will convert the bytes to a hex string representation of the bytes
ByteTypeID - Static variable in class org.apache.hadoop.record.meta.TypeID
 
ByteWritable - Class in org.apache.hadoop.io
A WritableComparable for a single byte.
ByteWritable() - Constructor for class org.apache.hadoop.io.ByteWritable
 
ByteWritable(byte) - Constructor for class org.apache.hadoop.io.ByteWritable
 
ByteWritable.Comparator - Class in org.apache.hadoop.io
A Comparator optimized for ByteWritable.
ByteWritable.Comparator() - Constructor for class org.apache.hadoop.io.ByteWritable.Comparator
 

C

cacheArchives - Variable in class org.apache.hadoop.streaming.StreamJob
 
cacheFiles - Variable in class org.apache.hadoop.streaming.StreamJob
 
call(Writable, InetSocketAddress) - Method in class org.apache.hadoop.ipc.Client
Make a call, passing param, to the IPC server running at address, returning the value.
call(Writable, InetSocketAddress, UserGroupInformation) - Method in class org.apache.hadoop.ipc.Client
 
call(Writable[], InetSocketAddress[]) - Method in class org.apache.hadoop.ipc.Client
Makes a set of calls in parallel.
call(Method, Object[][], InetSocketAddress[], Configuration) - Static method in class org.apache.hadoop.ipc.RPC
Expert: Make multiple, parallel calls to a set of servers.
call(Writable, long) - Method in class org.apache.hadoop.ipc.RPC.Server
 
call(Writable, long) - Method in class org.apache.hadoop.ipc.Server
Called for each call.
capacity - Variable in class org.apache.hadoop.dfs.DatanodeInfo
 
capacityRemainingGB - Variable in class org.apache.hadoop.dfs.FSNamesystemMetrics
 
capacityTotalGB - Variable in class org.apache.hadoop.dfs.FSNamesystemMetrics
 
capacityUsedGB - Variable in class org.apache.hadoop.dfs.FSNamesystemMetrics
 
captureDebugOut(List<String>, File) - Static method in class org.apache.hadoop.mapred.TaskLog
Wrap a command in a shell to capture debug script's stdout and stderr to debugout.
captureOutAndError(List<String>, File, File, long) - Static method in class org.apache.hadoop.mapred.TaskLog
Wrap a command in a shell to capture stdout and stderr to files.
captureOutAndError(List<String>, List<String>, File, File, long) - Static method in class org.apache.hadoop.mapred.TaskLog
Wrap a command in a shell to capture stdout and stderr to files.
charAt(int) - Method in class org.apache.hadoop.io.Text
Returns the Unicode Scalar Value (32-bit integer value) for the character at position.
checkDataDir() - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Check if all the data directories are healthy
checkDir(File) - Static method in class org.apache.hadoop.util.DiskChecker
 
checkOutputSpecs(FileSystem, JobConf) - Method in class org.apache.hadoop.mapred.FileOutputFormat
 
checkOutputSpecs(FileSystem, JobConf) - Method in class org.apache.hadoop.mapred.lib.NullOutputFormat
 
checkOutputSpecs(FileSystem, JobConf) - Method in interface org.apache.hadoop.mapred.OutputFormat
Check for validity of the output-specification for the job.
checkOutputSpecs(FileSystem, JobConf) - Method in class org.apache.hadoop.mapred.OutputFormatBase
Deprecated.  
checkOutputSpecs(FileSystem, JobConf) - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat
 
checkPath(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Permit paths which explicitly specify the default port.
checkPath(Path) - Method in class org.apache.hadoop.fs.FileSystem
Check that a Path belongs to this FileSystem.
checkPath(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
Check that a Path belongs to this FileSystem.
checkpoint() - Method in class org.apache.hadoop.fs.Trash
Create a trash checkpoint.
CHECKSUM_CRC32 - Static variable in class org.apache.hadoop.dfs.DataChecksum
 
CHECKSUM_NULL - Static variable in class org.apache.hadoop.dfs.DataChecksum
 
ChecksumDistributedFileSystem - Class in org.apache.hadoop.dfs
An implementation of ChecksumFileSystem over DistributedFileSystem.
ChecksumDistributedFileSystem() - Constructor for class org.apache.hadoop.dfs.ChecksumDistributedFileSystem
 
ChecksumDistributedFileSystem(InetSocketAddress, Configuration) - Constructor for class org.apache.hadoop.dfs.ChecksumDistributedFileSystem
Deprecated.  
ChecksumException - Exception in org.apache.hadoop.fs
Thrown for checksum errors.
ChecksumException(String, long) - Constructor for exception org.apache.hadoop.fs.ChecksumException
 
ChecksumFileSystem - Class in org.apache.hadoop.fs
Abstract Checksumed FileSystem.
ChecksumFileSystem(FileSystem) - Constructor for class org.apache.hadoop.fs.ChecksumFileSystem
 
checkURIs(URI[], URI[]) - Static method in class org.apache.hadoop.filecache.DistributedCache
This method checks if there is a conflict in the fragment names of the uris.
chmod(String, String) - Static method in class org.apache.hadoop.fs.FileUtil
Change the permissions on a filename.
chooseRandom(String) - Method in class org.apache.hadoop.net.NetworkTopology
randomly choose one node from scope if scope starts with ~, choose one from the all nodes except for the ones in scope; otherwise, choose one from scope
chooseShardForDelete(DocumentID) - Method in class org.apache.hadoop.contrib.index.example.HashingDistributionPolicy
 
chooseShardForDelete(DocumentID) - Method in class org.apache.hadoop.contrib.index.example.RoundRobinDistributionPolicy
 
chooseShardForDelete(DocumentID) - Method in interface org.apache.hadoop.contrib.index.mapred.IDistributionPolicy
Choose a shard or all shards to send a delete request.
chooseShardForInsert(DocumentID) - Method in class org.apache.hadoop.contrib.index.example.HashingDistributionPolicy
 
chooseShardForInsert(DocumentID) - Method in class org.apache.hadoop.contrib.index.example.RoundRobinDistributionPolicy
 
chooseShardForInsert(DocumentID) - Method in interface org.apache.hadoop.contrib.index.mapred.IDistributionPolicy
Choose a shard to send an insert request.
cleanup(Log, Closeable...) - Static method in class org.apache.hadoop.io.IOUtils
Close the Closeable objects and ignore any IOException or null pointers.
cleanup() - Method in class org.apache.hadoop.io.SequenceFile.Sorter.SegmentDescriptor
The default cleanup.
cleanup(int) - Static method in class org.apache.hadoop.mapred.TaskLog
Purge old user logs.
cleanupStorage() - Method in class org.apache.hadoop.mapred.TaskTracker
Removes all contents of temporary storage.
clear() - Method in class org.apache.hadoop.io.MapWritable
clear() - Method in class org.apache.hadoop.io.SortedMapWritable
clear() - Method in class org.apache.hadoop.io.Text
Clear the string to empty.
clear() - Method in class org.apache.hadoop.mapred.join.ArrayListBackedIterator
 
clear() - Method in class org.apache.hadoop.mapred.join.JoinRecordReader.JoinDelegationIterator
 
clear() - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader.MultiFilterDelegationIterator
 
clear() - Method in interface org.apache.hadoop.mapred.join.ResetableIterator
Close datasources, but do not release internal resources.
clear() - Method in class org.apache.hadoop.mapred.join.ResetableIterator.EMPTY
 
clear() - Method in class org.apache.hadoop.mapred.join.StreamBackedIterator
 
clear() - Method in class org.apache.hadoop.util.PriorityQueue
Removes all entries from the PriorityQueue.
clearQuota(String) - Method in class org.apache.hadoop.dfs.NameNode
Remove the quota for a directory
Client - Class in org.apache.hadoop.ipc
A client for an IPC service.
Client(Class, Configuration, SocketFactory) - Constructor for class org.apache.hadoop.ipc.Client
Construct an IPC client whose values are of the given Writable class.
Client(Class<?>, Configuration) - Constructor for class org.apache.hadoop.ipc.Client
Construct an IPC client with the default SocketFactory
clone(Writable, Configuration) - Static method in class org.apache.hadoop.io.WritableUtils
Make a copy of a writable object using serialization to a buffer.
clone() - Method in class org.apache.hadoop.record.Buffer
 
cloneFileAttributes(Path, Path, Progressable) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Clones the attributes (like compression of the input file and creates a corresponding Writer
cloneInto(Writable, Writable) - Static method in class org.apache.hadoop.io.WritableUtils
Make a copy of the writable object using serialiation to a buffer
close() - Method in class org.apache.hadoop.contrib.index.example.IdentityLocalAnalysis
 
close() - Method in class org.apache.hadoop.contrib.index.example.LineDocLocalAnalysis
 
close() - Method in class org.apache.hadoop.contrib.index.example.LineDocRecordReader
 
close() - Method in class org.apache.hadoop.contrib.index.lucene.FileSystemDirectory
 
close() - Method in class org.apache.hadoop.contrib.index.lucene.ShardWriter
Close the shard writer.
close() - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateCombiner
 
close() - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateMapper
 
close() - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateReducer
 
close() - Method in class org.apache.hadoop.contrib.utils.join.ArrayListBackedIterator
 
close() - Method in class org.apache.hadoop.contrib.utils.join.DataJoinMapperBase
 
close() - Method in class org.apache.hadoop.contrib.utils.join.DataJoinReducerBase
 
close() - Method in interface org.apache.hadoop.contrib.utils.join.ResetableIterator
 
close() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
No more filesystem operations are needed.
close() - Method in class org.apache.hadoop.examples.MultiFileWordCount.MultiFileLineRecordReader
 
close() - Method in class org.apache.hadoop.examples.PiEstimator.PiMapper
 
close() - Method in class org.apache.hadoop.examples.PiEstimator.PiReducer
 
close() - Method in class org.apache.hadoop.examples.SleepJob
 
close() - Method in class org.apache.hadoop.fs.FileSystem
No more filesystem operations are needed.
close() - Method in class org.apache.hadoop.fs.FilterFileSystem
 
close() - Method in class org.apache.hadoop.fs.FSDataOutputStream
 
close() - Method in class org.apache.hadoop.fs.FsShell
 
close() - Method in class org.apache.hadoop.fs.ftp.FTPInputStream
 
close() - Method in class org.apache.hadoop.fs.HarFileSystem
 
close() - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
close() - Method in class org.apache.hadoop.io.compress.CompressionInputStream
 
close() - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
 
close() - Method in class org.apache.hadoop.io.compress.GzipCodec.GzipInputStream
 
close() - Method in class org.apache.hadoop.io.compress.GzipCodec.GzipOutputStream
 
close() - Method in class org.apache.hadoop.io.DefaultStringifier
 
close() - Method in class org.apache.hadoop.io.MapFile.Reader
Close the map.
close() - Method in class org.apache.hadoop.io.MapFile.Writer
Close the map.
close() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Close the file.
close() - Method in interface org.apache.hadoop.io.SequenceFile.Sorter.RawKeyValueIterator
closes the iterator so that the underlying streams can be closed
close() - Method in class org.apache.hadoop.io.SequenceFile.Writer
Close the file.
close() - Method in interface org.apache.hadoop.io.serializer.Deserializer
Close the underlying input stream and clear up any resources.
close() - Method in interface org.apache.hadoop.io.serializer.Serializer
Close the underlying output stream and clear up any resources.
close() - Method in interface org.apache.hadoop.io.Stringifier
Closes this object.
close() - Method in class org.apache.hadoop.mapred.JobClient
Close the JobClient.
close() - Method in class org.apache.hadoop.mapred.join.ArrayListBackedIterator
 
close() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Close all child RRs.
close() - Method in class org.apache.hadoop.mapred.join.JoinRecordReader.JoinDelegationIterator
 
close() - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader.MultiFilterDelegationIterator
 
close() - Method in interface org.apache.hadoop.mapred.join.ResetableIterator
Close datasources and release resources.
close() - Method in class org.apache.hadoop.mapred.join.ResetableIterator.EMPTY
 
close() - Method in class org.apache.hadoop.mapred.join.StreamBackedIterator
 
close() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
Forward close request to proxied RR.
close() - Method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
close() - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorCombiner
Do nothing.
close() - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase
 
close() - Method in class org.apache.hadoop.mapred.lib.FieldSelectionMapReduce
 
close() - Method in class org.apache.hadoop.mapred.LineRecordReader
 
close() - Method in class org.apache.hadoop.mapred.LineRecordReader.LineReader
Close the underlying stream.
close() - Method in class org.apache.hadoop.mapred.MapReduceBase
Default implementation that does nothing.
close() - Method in interface org.apache.hadoop.mapred.RecordReader
Close this InputSplit to future operations.
close(Reporter) - Method in interface org.apache.hadoop.mapred.RecordWriter
Close this RecordWriter to future operations.
close() - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader
 
close() - Method in class org.apache.hadoop.mapred.SequenceFileAsTextRecordReader
 
close() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
close() - Method in class org.apache.hadoop.mapred.TaskLogAppender
 
close() - Method in class org.apache.hadoop.mapred.TaskTracker
Close down the TaskTracker and all its components.
close(Reporter) - Method in class org.apache.hadoop.mapred.TextOutputFormat.LineRecordWriter
 
close() - Method in class org.apache.hadoop.metrics.jvm.EventCounter
 
close() - Method in interface org.apache.hadoop.metrics.MetricsContext
Stops monitoring and also frees any buffered data, returning this object to its initial state.
close() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Stops monitoring and frees buffered data, returning this object to its initial state.
close() - Method in class org.apache.hadoop.net.SocketInputStream
 
close() - Method in class org.apache.hadoop.net.SocketOutputStream
 
close() - Method in class org.apache.hadoop.streaming.PipeMapper
 
close() - Method in class org.apache.hadoop.streaming.PipeReducer
 
close() - Method in class org.apache.hadoop.streaming.StreamBaseRecordReader
Close this to future operations.
Closeable - Interface in org.apache.hadoop.io
Deprecated. use java.io.Closeable
closeAll() - Static method in class org.apache.hadoop.fs.FileSystem
Close all cached filesystems.
closeSocket(Socket) - Static method in class org.apache.hadoop.io.IOUtils
Closes the socket ignoring IOException
closeStream(Closeable) - Static method in class org.apache.hadoop.io.IOUtils
Closes the stream ignoring IOException.
closeWriter() - Method in class org.apache.hadoop.contrib.index.mapred.IntermediateForm
Close the Lucene index writer associated with the intermediate form, if created.
cluster_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
ClusterStatus - Class in org.apache.hadoop.mapred
Status information on the current state of the Map-Reduce cluster.
cmpcl - Variable in class org.apache.hadoop.mapred.join.Parser.Node
 
CodeBuffer - Class in org.apache.hadoop.record.compiler
A wrapper around StringBuffer that automatically does indentation
CodecPool - Class in org.apache.hadoop.io.compress
A global compressor/decompressor pool used to save and reuse (possibly native) compression/decompression codecs.
CodecPool() - Constructor for class org.apache.hadoop.io.compress.CodecPool
 
collate(Object[], String) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
collate(List, String) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
collect(Object, TaggedMapOutput, OutputCollector, Reporter) - Method in class org.apache.hadoop.contrib.utils.join.DataJoinReducerBase
The subclass can overwrite this method to perform additional filtering and/or other processing logic before a value is collected.
collect(K, V) - Method in interface org.apache.hadoop.mapred.OutputCollector
Adds a key/value pair to the output.
collected - Variable in class org.apache.hadoop.contrib.utils.join.DataJoinReducerBase
 
column - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
combine(Object[], Object[]) - Method in class org.apache.hadoop.contrib.utils.join.DataJoinReducerBase
 
combine(Object[], TupleWritable) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
 
combine(Object[], TupleWritable) - Method in class org.apache.hadoop.mapred.join.InnerJoinRecordReader
Return true iff the tuple is full (all data sources contain this key).
combine(Object[], TupleWritable) - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader
Default implementation offers MultiFilterRecordReader.emit(org.apache.hadoop.mapred.join.TupleWritable) every Tuple from the collector (the outer join of child RRs).
combine(Object[], TupleWritable) - Method in class org.apache.hadoop.mapred.join.OuterJoinRecordReader
Emit everything from the collector.
comCmd_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
COMMA - Static variable in class org.apache.hadoop.util.StringUtils
 
COMMA_STR - Static variable in class org.apache.hadoop.util.StringUtils
 
COMMA_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
Command - Class in org.apache.hadoop.fs.shell
An abstract class for the execution of a file system command
Command(FileSystem) - Constructor for class org.apache.hadoop.fs.shell.Command
Constructor
CommandFormat - Class in org.apache.hadoop.fs.shell
Parse the args of a command and check the format of args.
CommandFormat(String, int, int, String...) - Constructor for class org.apache.hadoop.fs.shell.CommandFormat
constructor
commitBlockSynchronization(Block, long, long, boolean, boolean, DatanodeID[]) - Method in class org.apache.hadoop.dfs.NameNode
Commit block synchronization in lease recovery
comparator() - Method in class org.apache.hadoop.io.SortedMapWritable
compare(byte[], int) - Method in class org.apache.hadoop.dfs.DataChecksum
Compares the checksum located at buf[offset] with the current checksum.
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.BooleanWritable.Comparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.BytesWritable.Comparator
Compare the buffers in serialized form.
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.ByteWritable.Comparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.DoubleWritable.Comparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.FloatWritable.Comparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.IntWritable.Comparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.LongWritable.Comparator
 
compare(WritableComparable, WritableComparable) - Method in class org.apache.hadoop.io.LongWritable.DecreasingComparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.LongWritable.DecreasingComparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.MD5Hash.Comparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.NullWritable.Comparator
Compare the buffers in serialized form.
compare(byte[], int, int, byte[], int, int) - Method in interface org.apache.hadoop.io.RawComparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.serializer.DeserializerComparator
 
compare(T, T) - Method in class org.apache.hadoop.io.serializer.JavaSerializationComparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.Text.Comparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.UTF8.Comparator
Deprecated.  
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.WritableComparator
Optimization hook.
compare(WritableComparable, WritableComparable) - Method in class org.apache.hadoop.io.WritableComparator
Compare two WritableComparables.
compare(Object, Object) - Method in class org.apache.hadoop.io.WritableComparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.record.RecordComparator
 
compare(int, int) - Method in interface org.apache.hadoop.util.IndexedSortable
Compare items at the given addresses consistent with the semantics of Comparable.
compareBytes(byte[], int, int, byte[], int, int) - Static method in class org.apache.hadoop.io.WritableComparator
Lexicographic order of binary data.
compareBytes(byte[], int, int, byte[], int, int) - Static method in class org.apache.hadoop.record.Utils
Lexicographic order of binary data.
compareTo(Object) - Method in class org.apache.hadoop.contrib.index.mapred.DocumentID
 
compareTo(Object) - Method in class org.apache.hadoop.contrib.index.mapred.Shard
 
compareTo(Shard) - Method in class org.apache.hadoop.contrib.index.mapred.Shard
Compare to another shard.
compareTo(DatanodeID) - Method in class org.apache.hadoop.dfs.DatanodeID
Comparable.
compareTo(Object) - Method in class org.apache.hadoop.examples.MultiFileWordCount.WordOffset
 
compareTo(Object) - Method in class org.apache.hadoop.fs.FileStatus
Compare this object to another object
compareTo(Object) - Method in class org.apache.hadoop.fs.Path
 
compareTo(Object) - Method in class org.apache.hadoop.io.BooleanWritable
 
compareTo(Object) - Method in class org.apache.hadoop.io.BytesWritable
Define the sort order of the BytesWritable.
compareTo(Object) - Method in class org.apache.hadoop.io.ByteWritable
Compares two ByteWritables.
compareTo(Object) - Method in class org.apache.hadoop.io.DoubleWritable
 
compareTo(Object) - Method in class org.apache.hadoop.io.FloatWritable
Compares two FloatWritables.
compareTo(Object) - Method in class org.apache.hadoop.io.IntWritable
Compares two IntWritables.
compareTo(Object) - Method in class org.apache.hadoop.io.LongWritable
Compares two LongWritables.
compareTo(Object) - Method in class org.apache.hadoop.io.MD5Hash
Compares this object with the specified object for order.
compareTo(Object) - Method in class org.apache.hadoop.io.NullWritable
 
compareTo(Object) - Method in class org.apache.hadoop.io.SequenceFile.Sorter.SegmentDescriptor
 
compareTo(Object) - Method in class org.apache.hadoop.io.Text
Compare two Texts bytewise using standard UTF8 ordering.
compareTo(Object) - Method in class org.apache.hadoop.io.UTF8
Deprecated. Compare two UTF8s.
compareTo(Object) - Method in class org.apache.hadoop.io.VIntWritable
Compares two VIntWritables.
compareTo(Object) - Method in class org.apache.hadoop.io.VLongWritable
Compares two VLongWritables.
compareTo(ID) - Method in class org.apache.hadoop.mapred.ID
Compare IDs by associated numbers
compareTo(ID) - Method in class org.apache.hadoop.mapred.JobID
Compare JobIds by first jtIdentifiers, then by job numbers
compareTo(ComposableRecordReader<K, ?>) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Implement Comparable contract (compare key of join or head of heap with that of another).
compareTo(ComposableRecordReader<K, ?>) - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
Implement Comparable contract (compare key at head of proxied RR with that of another).
compareTo(ID) - Method in class org.apache.hadoop.mapred.TaskAttemptID
Compare TaskIds by first tipIds, then by task numbers.
compareTo(ID) - Method in class org.apache.hadoop.mapred.TaskID
Compare TaskInProgressIds by first jobIds, then by tip numbers.
compareTo(Object) - Method in class org.apache.hadoop.record.Buffer
Define the sort order of the Buffer.
compareTo(Object) - Method in class org.apache.hadoop.record.meta.RecordTypeInfo
This class doesn't implement Comparable as it's not meant to be used for anything besides de/serializing.
compareTo(Object) - Method in class org.apache.hadoop.record.Record
 
complete(String, String) - Method in class org.apache.hadoop.dfs.NameNode
The client is done writing data to the given filename, and would like to complete it.
complete() - Method in class org.apache.hadoop.util.Progress
Completes this node, moving the parent node to its next child.
COMPLETE_SUCCESS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
completedJobs() - Method in class org.apache.hadoop.mapred.JobTracker
 
completeLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
completeLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
Called when we're all done writing to the target.
completeLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
Called when we're all done writing to the target.
completeLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.HarFileSystem
not implemented.
completeLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
completeLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
completeUpgrade() - Method in interface org.apache.hadoop.dfs.Upgradeable
Complete upgrade.
ComposableInputFormat<K extends WritableComparable,V extends Writable> - Interface in org.apache.hadoop.mapred.join
Refinement of InputFormat requiring implementors to provide ComposableRecordReader instead of RecordReader.
ComposableRecordReader<K extends WritableComparable,V extends Writable> - Interface in org.apache.hadoop.mapred.join
Additional operations required of a RecordReader to participate in a join.
compose(Class<? extends InputFormat>, String) - Static method in class org.apache.hadoop.mapred.join.CompositeInputFormat
Convenience method for constructing composite formats.
compose(String, Class<? extends InputFormat>, String...) - Static method in class org.apache.hadoop.mapred.join.CompositeInputFormat
Convenience method for constructing composite formats.
compose(String, Class<? extends InputFormat>, Path...) - Static method in class org.apache.hadoop.mapred.join.CompositeInputFormat
Convenience method for constructing composite formats.
CompositeInputFormat<K extends WritableComparable> - Class in org.apache.hadoop.mapred.join
An InputFormat capable of performing joins over a set of data sources sorted and partitioned the same way.
CompositeInputFormat() - Constructor for class org.apache.hadoop.mapred.join.CompositeInputFormat
 
CompositeInputSplit - Class in org.apache.hadoop.mapred.join
This InputSplit contains a set of child InputSplits.
CompositeInputSplit() - Constructor for class org.apache.hadoop.mapred.join.CompositeInputSplit
 
CompositeInputSplit(int) - Constructor for class org.apache.hadoop.mapred.join.CompositeInputSplit
 
CompositeRecordReader<K extends WritableComparable,V extends Writable,X extends Writable> - Class in org.apache.hadoop.mapred.join
A RecordReader that can effect joins of RecordReaders sharing a common key type and partitioning.
CompositeRecordReader(int, int, Class<? extends WritableComparator>) - Constructor for class org.apache.hadoop.mapred.join.CompositeRecordReader
Create a RecordReader with capacity children to position id in the parent reader.
compress(byte[], int, int) - Method in interface org.apache.hadoop.io.compress.Compressor
Fills specified buffer with compressed data.
compress(byte[], int, int) - Method in class org.apache.hadoop.io.compress.lzo.LzoCompressor
 
compress(byte[], int, int) - Method in class org.apache.hadoop.io.compress.zlib.BuiltInZlibDeflater
 
compress(byte[], int, int) - Method in class org.apache.hadoop.io.compress.zlib.ZlibCompressor
 
compressedValSerializer - Variable in class org.apache.hadoop.io.SequenceFile.Writer
 
CompressedWritable - Class in org.apache.hadoop.io
A base-class for Writables which store themselves compressed and lazily inflate on field access.
CompressedWritable() - Constructor for class org.apache.hadoop.io.CompressedWritable
 
CompressionCodec - Interface in org.apache.hadoop.io.compress
This class encapsulates a streaming compression/decompression pair.
CompressionCodecFactory - Class in org.apache.hadoop.io.compress
A factory that will find the correct codec for a given filename.
CompressionCodecFactory(Configuration) - Constructor for class org.apache.hadoop.io.compress.CompressionCodecFactory
Find the codecs specified in the config value io.compression.codecs and register them.
CompressionInputStream - Class in org.apache.hadoop.io.compress
A compression input stream.
CompressionInputStream(InputStream) - Constructor for class org.apache.hadoop.io.compress.CompressionInputStream
Create a compression input stream that reads the decompressed bytes from the given stream.
CompressionOutputStream - Class in org.apache.hadoop.io.compress
A compression output stream.
CompressionOutputStream(OutputStream) - Constructor for class org.apache.hadoop.io.compress.CompressionOutputStream
Create a compression output stream that writes the compressed bytes to the given stream.
Compressor - Interface in org.apache.hadoop.io.compress
Specification of a stream-based 'compressor' which can be plugged into a CompressionOutputStream to compress data.
computeSplitSize(long, long, long) - Method in class org.apache.hadoop.mapred.FileInputFormat
 
conf - Static variable in class org.apache.hadoop.dfs.JspHelper
 
conf - Variable in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
config_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
configPath_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
Configurable - Interface in org.apache.hadoop.conf
Something that may be configured with a Configuration.
Configuration - Class in org.apache.hadoop.conf
Provides access to configuration parameters.
Configuration() - Constructor for class org.apache.hadoop.conf.Configuration
A new configuration.
Configuration(Configuration) - Constructor for class org.apache.hadoop.conf.Configuration
A new configuration with the same settings cloned from another.
Configuration.IntegerRanges - Class in org.apache.hadoop.conf
A class that represents a set of positive integer ranges.
Configuration.IntegerRanges() - Constructor for class org.apache.hadoop.conf.Configuration.IntegerRanges
 
Configuration.IntegerRanges(String) - Constructor for class org.apache.hadoop.conf.Configuration.IntegerRanges
 
configure(JobConf) - Method in class org.apache.hadoop.contrib.index.example.IdentityLocalAnalysis
 
configure(JobConf) - Method in class org.apache.hadoop.contrib.index.example.LineDocLocalAnalysis
 
configure(JobConf) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateCombiner
 
configure(JobConf) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateMapper
 
configure(JobConf) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdatePartitioner
 
configure(JobConf) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateReducer
 
configure(IndexUpdateConfiguration) - Method in class org.apache.hadoop.contrib.index.mapred.IntermediateForm
Configure using an index update configuration.
configure(JobConf) - Method in class org.apache.hadoop.contrib.utils.join.DataJoinMapperBase
 
configure(JobConf) - Method in class org.apache.hadoop.contrib.utils.join.DataJoinReducerBase
 
configure(JobConf) - Method in class org.apache.hadoop.contrib.utils.join.JobBase
Initializes a new instance from a JobConf.
configure(JobConf) - Method in class org.apache.hadoop.examples.dancing.DistributedPentomino.PentMap
 
configure(JobConf) - Method in class org.apache.hadoop.examples.PiEstimator.PiMapper
Mapper configuration.
configure(JobConf) - Method in class org.apache.hadoop.examples.PiEstimator.PiReducer
Reducer configuration.
configure(JobConf) - Method in class org.apache.hadoop.examples.SleepJob
 
configure(JobConf) - Method in interface org.apache.hadoop.mapred.JobConfigurable
Initializes a new instance from a JobConf.
configure(JobConf) - Method in class org.apache.hadoop.mapred.KeyValueTextInputFormat
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.aggregate.UserDefinedValueAggregatorDescriptor
Do nothing.
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
get the input file name.
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorCombiner
Combiner does not need to configure.
configure(JobConf) - Method in interface org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorDescriptor
Configure the object
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.FieldSelectionMapReduce
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.HashPartitioner
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.KeyFieldBasedPartitioner
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.MultithreadedMapRunner
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.NLineInputFormat
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.RegexMapper
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.MapReduceBase
Default implementation that does nothing.
configure(JobConf) - Method in class org.apache.hadoop.mapred.MapRunner
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.TextInputFormat
 
configure(JobConf) - Method in class org.apache.hadoop.streaming.PipeMapper
 
configure(JobConf) - Method in class org.apache.hadoop.streaming.PipeMapRed
 
Configured - Class in org.apache.hadoop.conf
Base class for things that may be configured with a Configuration.
Configured() - Constructor for class org.apache.hadoop.conf.Configured
Construct a Configured.
Configured(Configuration) - Constructor for class org.apache.hadoop.conf.Configured
Construct a Configured.
Consts - Class in org.apache.hadoop.record.compiler
const definitions for Record I/O compiler
contains(Node) - Method in class org.apache.hadoop.net.NetworkTopology
Check if the tree contains node node
containsKey(Object) - Method in class org.apache.hadoop.io.MapWritable
containsKey(Object) - Method in class org.apache.hadoop.io.SortedMapWritable
containsValue(Object) - Method in class org.apache.hadoop.io.MapWritable
containsValue(Object) - Method in class org.apache.hadoop.io.SortedMapWritable
ContentSummary - Class in org.apache.hadoop.fs
Store the summary of a content (a directory or a file).
ContentSummary() - Constructor for class org.apache.hadoop.fs.ContentSummary
Constructor
ContentSummary(long, long, long) - Constructor for class org.apache.hadoop.fs.ContentSummary
Constructor
ContentSummary(long, long, long, long) - Constructor for class org.apache.hadoop.fs.ContentSummary
Constructor
ContextFactory - Class in org.apache.hadoop.metrics
Factory class for creating MetricsContext objects.
ContextFactory() - Constructor for class org.apache.hadoop.metrics.ContextFactory
Creates a new instance of ContextFactory
copy(FileSystem, Path, FileSystem, Path, boolean, Configuration) - Static method in class org.apache.hadoop.fs.FileUtil
Copy files between FileSystems.
copy(FileSystem, Path[], FileSystem, Path, boolean, boolean, Configuration) - Static method in class org.apache.hadoop.fs.FileUtil
 
copy(FileSystem, Path, FileSystem, Path, boolean, boolean, Configuration) - Static method in class org.apache.hadoop.fs.FileUtil
Copy files between FileSystems.
copy(File, FileSystem, Path, boolean, Configuration) - Static method in class org.apache.hadoop.fs.FileUtil
Copy local files to a FileSystem.
copy(FileSystem, Path, File, boolean, Configuration) - Static method in class org.apache.hadoop.fs.FileUtil
Copy FileSystem files to local files.
copy(Writable) - Method in class org.apache.hadoop.io.AbstractMapWritable
Used by child copy constructors.
copy(byte[], int, int) - Method in class org.apache.hadoop.record.Buffer
Copy the specified byte array to the Buffer.
copyBlockOp - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
copyBytes(InputStream, OutputStream, int, boolean) - Static method in class org.apache.hadoop.io.IOUtils
Copies from one stream to another.
copyBytes(InputStream, OutputStream, Configuration) - Static method in class org.apache.hadoop.io.IOUtils
Copies from one stream to another.
copyBytes(InputStream, OutputStream, Configuration, boolean) - Static method in class org.apache.hadoop.io.IOUtils
Copies from one stream to another.
copyFromLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
copyFromLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
The src file is on the local disk.
copyFromLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
The src file is on the local disk.
copyFromLocalFile(boolean, boolean, Path[], Path) - Method in class org.apache.hadoop.fs.FileSystem
The src files are on the local disk.
copyFromLocalFile(boolean, boolean, Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
The src file is on the local disk.
copyFromLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
The src file is on the local disk.
copyFromLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.HarFileSystem
not implemented.
copyFromLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
copyFromLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
copyMerge(FileSystem, Path, FileSystem, Path, boolean, Configuration, String) - Static method in class org.apache.hadoop.fs.FileUtil
Copy all files in a directory to one output file (merge).
copyToLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
The src file is under FS, and the dst is on the local disk.
copyToLocalFile(Path, Path, boolean) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
The src file is under FS, and the dst is on the local disk.
copyToLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
The src file is under FS, and the dst is on the local disk.
copyToLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
The src file is under FS, and the dst is on the local disk.
copyToLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
The src file is under FS, and the dst is on the local disk.
copyToLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.HarFileSystem
copies the file in the har filesystem to a local file.
copyToLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
copyToLocalFile(boolean, Path, Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
Count - Class in org.apache.hadoop.fs.shell
Count the number of directories, files, bytes, quota, and remaining quota.
Count(String[], int, FileSystem) - Constructor for class org.apache.hadoop.fs.shell.Count
Constructor
Counters - Class in org.apache.hadoop.mapred
A set of named counters.
Counters() - Constructor for class org.apache.hadoop.mapred.Counters
 
Counters.Counter - Class in org.apache.hadoop.mapred
A counter record, comprising its name and value.
Counters.Group - Class in org.apache.hadoop.mapred
Group of counters, comprising of counters from a particular counter Enum class.
countNumOfAvailableNodes(String, List<Node>) - Method in class org.apache.hadoop.net.NetworkTopology
return the number of leaves in scope but not in excludedNodes if scope starts with ~, return the number of nodes that are not in scope and excludedNodes;
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.dfs.HftpFileSystem
 
create(String, FsPermission, String, boolean, short, long) - Method in class org.apache.hadoop.dfs.NameNode
Create a new file entry in the namespace.
create(Path, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
Opens an FSDataOutputStream at the indicated Path with write-progress reporting.
create(FileSystem, Path, FsPermission) - Static method in class org.apache.hadoop.fs.FileSystem
create a file with the provided permission The permission of the file is set to be the provided permission as in setPermission, not permission&~umask It is implemented using two RPCs.
create(Path) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path.
create(Path, boolean) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path.
create(Path, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
Create an FSDataOutputStream at the indicated Path with write-progress reporting.
create(Path, short) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path.
create(Path, short, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path with write-progress reporting.
create(Path, boolean, int) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path.
create(Path, boolean, int, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path with write-progress reporting.
create(Path, boolean, int, short, long) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path.
create(Path, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path with write-progress reporting.
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path with write-progress reporting.
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.FilterFileSystem
Opens an FSDataOutputStream at the indicated Path with write-progress reporting.
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
A stream obtained via this call must be closed before using other APIs of this class or else the invocation will block.
create(Path, int) - Method in class org.apache.hadoop.fs.HarFileSystem
 
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.HarFileSystem
 
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
create(Path, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
Opens an FSDataOutputStream at the indicated Path with write-progress reporting.
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
Opens an FSDataOutputStream at the indicated Path with write-progress reporting.
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.s3.S3FileSystem
 
create(Path, FsPermission, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
 
create(Class<?>, Object, RetryPolicy) - Static method in class org.apache.hadoop.io.retry.RetryProxy
Create a proxy for an interface of an implementation class using the same retry policy for each method in the interface.
create(Class<?>, Object, Map<String, RetryPolicy>) - Static method in class org.apache.hadoop.io.retry.RetryProxy
Create a proxy for an interface of an implementation class using the a set of retry policies specified by method name.
createAllSymlink(Configuration, File, File) - Static method in class org.apache.hadoop.filecache.DistributedCache
This method create symlinks for all files in a given dir in another directory
createCompressor() - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Create a new Compressor for use by this CompressionCodec.
createCompressor() - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
createCompressor() - Method in class org.apache.hadoop.io.compress.GzipCodec
 
createCompressor() - Method in class org.apache.hadoop.io.compress.LzoCodec
 
createDataFileReader(FileSystem, Path, Configuration) - Method in class org.apache.hadoop.io.MapFile.Reader
Override this method to specialize the type of SequenceFile.Reader returned.
createDataJoinJob(String[]) - Static method in class org.apache.hadoop.contrib.utils.join.DataJoinJob
 
createDecompressor() - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Create a new Decompressor for use by this CompressionCodec.
createDecompressor() - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
createDecompressor() - Method in class org.apache.hadoop.io.compress.GzipCodec
 
createDecompressor() - Method in class org.apache.hadoop.io.compress.LzoCodec
 
createHardLink(File, File) - Static method in class org.apache.hadoop.fs.FileUtil.HardLink
Creates a hardlink
createImmutable(short) - Static method in class org.apache.hadoop.fs.permission.FsPermission
Create an immutable FsPermission object.
createImmutable(String, String, FsPermission) - Static method in class org.apache.hadoop.fs.permission.PermissionStatus
Create an immutable PermissionStatus object.
createImmutable(String[]) - Static method in class org.apache.hadoop.security.UnixUserGroupInformation
Create an immutable UnixUserGroupInformation object.
createInputStream(InputStream) - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Create a stream decompressor that will read from the given input stream.
createInputStream(InputStream, Decompressor) - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Create a CompressionInputStream that will read from the given InputStream with the given Decompressor.
createInputStream(InputStream) - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
createInputStream(InputStream, Decompressor) - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
createInputStream(InputStream) - Method in class org.apache.hadoop.io.compress.GzipCodec
 
createInputStream(InputStream, Decompressor) - Method in class org.apache.hadoop.io.compress.GzipCodec
 
createInputStream(InputStream) - Method in class org.apache.hadoop.io.compress.LzoCodec
 
createInputStream(InputStream, Decompressor) - Method in class org.apache.hadoop.io.compress.LzoCodec
 
createInstance(String) - Static method in class org.apache.hadoop.mapred.lib.aggregate.UserDefinedValueAggregatorDescriptor
Create an instance of the given class
createInternalValue() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Create a value to be used internally for joins.
createIOException(List<IOException>) - Static method in exception org.apache.hadoop.io.MultipleIOException
A convenient method to create an IOException.
createKey() - Method in class org.apache.hadoop.contrib.index.example.LineDocRecordReader
 
createKey() - Method in class org.apache.hadoop.examples.MultiFileWordCount.MultiFileLineRecordReader
 
createKey() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Create a new key value common to all child RRs.
createKey() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
Request new key from proxied RR.
createKey() - Method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
createKey() - Method in class org.apache.hadoop.mapred.LineRecordReader
 
createKey() - Method in interface org.apache.hadoop.mapred.RecordReader
Create an object of the appropriate type to be used as a key.
createKey() - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader
 
createKey() - Method in class org.apache.hadoop.mapred.SequenceFileAsTextRecordReader
 
createKey() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
createKey() - Method in class org.apache.hadoop.streaming.StreamBaseRecordReader
 
createLocalTempFile(File, String, boolean) - Static method in class org.apache.hadoop.fs.FileUtil
Create a tmp file for a base file.
createNewFile(Path) - Method in class org.apache.hadoop.fs.FileSystem
Creates the given Path as a brand-new zero-length file.
createOutput(String) - Method in class org.apache.hadoop.contrib.index.lucene.FileSystemDirectory
 
createOutputStream(OutputStream) - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Create a CompressionOutputStream that will write to the given OutputStream.
createOutputStream(OutputStream, Compressor) - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Create a CompressionOutputStream that will write to the given OutputStream with the given Compressor.
createOutputStream(OutputStream) - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
createOutputStream(OutputStream, Compressor) - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
createOutputStream(OutputStream) - Method in class org.apache.hadoop.io.compress.GzipCodec
 
createOutputStream(OutputStream, Compressor) - Method in class org.apache.hadoop.io.compress.GzipCodec
 
createOutputStream(OutputStream) - Method in class org.apache.hadoop.io.compress.LzoCodec
 
createOutputStream(OutputStream, Compressor) - Method in class org.apache.hadoop.io.compress.LzoCodec
 
createRecord(String) - Method in interface org.apache.hadoop.metrics.MetricsContext
Creates a new MetricsRecord instance with the given recordName.
createRecord(MetricsContext, String) - Static method in class org.apache.hadoop.metrics.MetricsUtil
Utility method to create and return new metrics record instance within the given context.
createRecord(String) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Creates a new AbstractMetricsRecord instance with the given recordName.
createResetableIterator() - Method in class org.apache.hadoop.contrib.utils.join.DataJoinReducerBase
The subclass can provide a different implementation on ResetableIterator.
createSocket() - Method in class org.apache.hadoop.net.SocksSocketFactory
 
createSocket(InetAddress, int) - Method in class org.apache.hadoop.net.SocksSocketFactory
 
createSocket(InetAddress, int, InetAddress, int) - Method in class org.apache.hadoop.net.SocksSocketFactory
 
createSocket(String, int) - Method in class org.apache.hadoop.net.SocksSocketFactory
 
createSocket(String, int, InetAddress, int) - Method in class org.apache.hadoop.net.SocksSocketFactory
 
createSocket() - Method in class org.apache.hadoop.net.StandardSocketFactory
 
createSocket(InetAddress, int) - Method in class org.apache.hadoop.net.StandardSocketFactory
 
createSocket(InetAddress, int, InetAddress, int) - Method in class org.apache.hadoop.net.StandardSocketFactory
 
createSocket(String, int) - Method in class org.apache.hadoop.net.StandardSocketFactory
 
createSocket(String, int, InetAddress, int) - Method in class org.apache.hadoop.net.StandardSocketFactory
 
createSocketAddr(String) - Static method in class org.apache.hadoop.dfs.DataNode
Deprecated. 
createSocketAddr(String) - Static method in class org.apache.hadoop.net.NetUtils
Util method to build socket addr from either: : ://:/
createSocketAddr(String, int) - Static method in class org.apache.hadoop.net.NetUtils
Util method to build socket addr from either: : ://:/
createSymlink(Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
This method allows you to create symlinks in the current working directory of the task to all the cache files/archives
createTitle(JspWriter, HttpServletRequest, String) - Static method in class org.apache.hadoop.dfs.JspHelper
 
createTmpFileForWrite(String, long, Configuration) - Method in class org.apache.hadoop.fs.LocalDirAllocator
Creates a temporary file in the local FS.
createURLStreamHandler(String) - Method in class org.apache.hadoop.fs.FsUrlStreamHandlerFactory
 
createValue() - Method in class org.apache.hadoop.contrib.index.example.LineDocRecordReader
 
createValue() - Method in class org.apache.hadoop.examples.MultiFileWordCount.MultiFileLineRecordReader
 
createValue() - Method in class org.apache.hadoop.mapred.join.JoinRecordReader
Create an object of the appropriate type to be used as a value.
createValue() - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader
Create an object of the appropriate type to be used as a value.
createValue() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
Request new value from proxied RR.
createValue() - Method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
createValue() - Method in class org.apache.hadoop.mapred.LineRecordReader
 
createValue() - Method in interface org.apache.hadoop.mapred.RecordReader
Create an object of the appropriate type to be used as a value.
createValue() - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader
 
createValue() - Method in class org.apache.hadoop.mapred.SequenceFileAsTextRecordReader
 
createValue() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
createValue() - Method in class org.apache.hadoop.streaming.StreamBaseRecordReader
 
createValueAggregatorJob(String[]) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
Create an Aggregate based map/reduce job.
createValueAggregatorJob(String[], Class<? extends ValueAggregatorDescriptor>[]) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
 
createValueAggregatorJobs(String[], Class<? extends ValueAggregatorDescriptor>[]) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
 
createValueAggregatorJobs(String[]) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
 
createValueBytes() - Method in class org.apache.hadoop.io.SequenceFile.Reader
 
createWriter(FileSystem, Configuration, Path, Class, Class) - Static method in class org.apache.hadoop.io.SequenceFile
Construct the preferred type of SequenceFile Writer.
createWriter(FileSystem, Configuration, Path, Class, Class, SequenceFile.CompressionType) - Static method in class org.apache.hadoop.io.SequenceFile
Construct the preferred type of SequenceFile Writer.
createWriter(FileSystem, Configuration, Path, Class, Class, SequenceFile.CompressionType, Progressable) - Static method in class org.apache.hadoop.io.SequenceFile
Construct the preferred type of SequenceFile Writer.
createWriter(FileSystem, Configuration, Path, Class, Class, SequenceFile.CompressionType, CompressionCodec) - Static method in class org.apache.hadoop.io.SequenceFile
Construct the preferred type of SequenceFile Writer.
createWriter(FileSystem, Configuration, Path, Class, Class, SequenceFile.CompressionType, CompressionCodec, Progressable, SequenceFile.Metadata) - Static method in class org.apache.hadoop.io.SequenceFile
Construct the preferred type of SequenceFile Writer.
createWriter(FileSystem, Configuration, Path, Class, Class, int, short, long, SequenceFile.CompressionType, CompressionCodec, Progressable, SequenceFile.Metadata) - Static method in class org.apache.hadoop.io.SequenceFile
Construct the preferred type of SequenceFile Writer.
createWriter(FileSystem, Configuration, Path, Class, Class, SequenceFile.CompressionType, CompressionCodec, Progressable) - Static method in class org.apache.hadoop.io.SequenceFile
Construct the preferred type of SequenceFile Writer.
createWriter(Configuration, FSDataOutputStream, Class, Class, SequenceFile.CompressionType, CompressionCodec, SequenceFile.Metadata) - Static method in class org.apache.hadoop.io.SequenceFile
Construct the preferred type of 'raw' SequenceFile Writer.
createWriter(Configuration, FSDataOutputStream, Class, Class, SequenceFile.CompressionType, CompressionCodec) - Static method in class org.apache.hadoop.io.SequenceFile
Construct the preferred type of 'raw' SequenceFile Writer.
CSTRING_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
CsvRecordInput - Class in org.apache.hadoop.record
 
CsvRecordInput(InputStream) - Constructor for class org.apache.hadoop.record.CsvRecordInput
Creates a new instance of CsvRecordInput
CsvRecordOutput - Class in org.apache.hadoop.record
 
CsvRecordOutput(OutputStream) - Constructor for class org.apache.hadoop.record.CsvRecordOutput
Creates a new instance of CsvRecordOutput
CUR_DIR - Static variable in class org.apache.hadoop.fs.Path
 
curChar - Variable in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
CURRENT_VERSION - Static variable in class org.apache.hadoop.ipc.Server
 
currentToken - Variable in exception org.apache.hadoop.record.compiler.generated.ParseException
This is the last token that has been consumed successfully.

D

Daemon - Class in org.apache.hadoop.util
A thread that has called Thread.setDaemon(boolean) with true.
Daemon() - Constructor for class org.apache.hadoop.util.Daemon
Construct a daemon thread.
Daemon(Runnable) - Constructor for class org.apache.hadoop.util.Daemon
Construct a daemon thread.
Daemon(ThreadGroup, Runnable) - Constructor for class org.apache.hadoop.util.Daemon
Construct a daemon thread to be part of a specified thread group.
DancingLinks<ColumnName> - Class in org.apache.hadoop.examples.dancing
A generic solver for tile laying problems using Knuth's dancing link algorithm.
DancingLinks() - Constructor for class org.apache.hadoop.examples.dancing.DancingLinks
 
DancingLinks.SolutionAcceptor<ColumnName> - Interface in org.apache.hadoop.examples.dancing
Applications should implement this to receive the solutions to their problems.
DATA_FILE_NAME - Static variable in class org.apache.hadoop.io.MapFile
The name of the data file.
DATA_TRANSFER_VERSION - Static variable in interface org.apache.hadoop.dfs.FSConstants
Version for data transfers between clients and datanodes This should change when serialization of DatanodeInfo, not just when protocol changes.
DataBlockScanner - Class in org.apache.hadoop.dfs
 
DataBlockScanner.Servlet - Class in org.apache.hadoop.dfs
 
DataBlockScanner.Servlet() - Constructor for class org.apache.hadoop.dfs.DataBlockScanner.Servlet
 
DataChecksum - Class in org.apache.hadoop.dfs
This class provides inteface and utilities for processing checksums for DFS data transfers.
DataInputBuffer - Class in org.apache.hadoop.io
A reusable DataInput implementation that reads from an in-memory buffer.
DataInputBuffer() - Constructor for class org.apache.hadoop.io.DataInputBuffer
Constructs a new empty buffer.
DataJoinJob - Class in org.apache.hadoop.contrib.utils.join
This class implements the main function for creating a map/reduce job to join data of different sources.
DataJoinJob() - Constructor for class org.apache.hadoop.contrib.utils.join.DataJoinJob
 
DataJoinMapperBase - Class in org.apache.hadoop.contrib.utils.join
This abstract class serves as the base class for the mapper class of a data join job.
DataJoinMapperBase() - Constructor for class org.apache.hadoop.contrib.utils.join.DataJoinMapperBase
 
DataJoinReducerBase - Class in org.apache.hadoop.contrib.utils.join
This abstract class serves as the base class for the reducer class of a data join job.
DataJoinReducerBase() - Constructor for class org.apache.hadoop.contrib.utils.join.DataJoinReducerBase
 
DataNode - Class in org.apache.hadoop.dfs
DataNode is a class (and program) that stores a set of blocks for a DFS deployment.
DatanodeDescriptor - Class in org.apache.hadoop.dfs
DatanodeDescriptor tracks stats on a given DataNode, such as available storage capacity, last update time, etc., and maintains a set of blocks stored on the datanode.
DatanodeDescriptor() - Constructor for class org.apache.hadoop.dfs.DatanodeDescriptor
Default constructor
DatanodeDescriptor(DatanodeID) - Constructor for class org.apache.hadoop.dfs.DatanodeDescriptor
DatanodeDescriptor constructor
DatanodeDescriptor(DatanodeID, String) - Constructor for class org.apache.hadoop.dfs.DatanodeDescriptor
DatanodeDescriptor constructor
DatanodeDescriptor(DatanodeID, String, String) - Constructor for class org.apache.hadoop.dfs.DatanodeDescriptor
DatanodeDescriptor constructor
DatanodeDescriptor(DatanodeID, long, long, long, int) - Constructor for class org.apache.hadoop.dfs.DatanodeDescriptor
DatanodeDescriptor constructor
DatanodeDescriptor(DatanodeID, String, String, long, long, long, int) - Constructor for class org.apache.hadoop.dfs.DatanodeDescriptor
DatanodeDescriptor constructor
DatanodeID - Class in org.apache.hadoop.dfs
DatanodeID is composed of the data node name (hostname:portNumber) and the data storage ID, which it currently represents.
DatanodeID() - Constructor for class org.apache.hadoop.dfs.DatanodeID
Equivalent to DatanodeID("").
DatanodeID(String) - Constructor for class org.apache.hadoop.dfs.DatanodeID
Equivalent to DatanodeID(nodeName, "", -1, -1).
DatanodeID(DatanodeID) - Constructor for class org.apache.hadoop.dfs.DatanodeID
DatanodeID copy constructor
DatanodeID(String, String, int, int) - Constructor for class org.apache.hadoop.dfs.DatanodeID
Create DatanodeID
DatanodeInfo - Class in org.apache.hadoop.dfs
DatanodeInfo represents the status of a DataNode.
DatanodeInfo.AdminStates - Enum in org.apache.hadoop.dfs
 
DataNodeMetrics - Class in org.apache.hadoop.dfs.datanode.metrics
This class is for maintaining the various DataNode statistics and publishing them through the metrics interfaces.
DataNodeMetrics(Configuration, String) - Constructor for class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
DataNodeStatistics - Class in org.apache.hadoop.dfs.datanode.metrics
 
DataNodeStatisticsMBean - Interface in org.apache.hadoop.dfs.datanode.metrics
This is the JMX interface for the runtime statistics for the data node.
DataOutputBuffer - Class in org.apache.hadoop.io
A reusable DataOutput implementation that writes to an in-memory buffer.
DataOutputBuffer() - Constructor for class org.apache.hadoop.io.DataOutputBuffer
Constructs a new empty buffer.
DataOutputBuffer(int) - Constructor for class org.apache.hadoop.io.DataOutputBuffer
 
dateForm - Static variable in class org.apache.hadoop.fs.FsShell
 
debug_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
debugStream - Variable in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
dec(int) - Method in class org.apache.hadoop.metrics.util.MetricsIntValue
Inc metrics for incr vlaue
dec() - Method in class org.apache.hadoop.metrics.util.MetricsIntValue
Dec metrics by one
dec(long) - Method in class org.apache.hadoop.metrics.util.MetricsLongValue
Inc metrics for incr vlaue
dec() - Method in class org.apache.hadoop.metrics.util.MetricsLongValue
Dec metrics by one
decDfsUsed(long) - Method in class org.apache.hadoop.fs.DU
Decrease how much disk space we use.
decode(byte[]) - Static method in class org.apache.hadoop.io.Text
Converts the provided byte array to a String using the UTF-8 encoding.
decode(byte[], int, int) - Static method in class org.apache.hadoop.io.Text
 
decode(byte[], int, int, boolean) - Static method in class org.apache.hadoop.io.Text
Converts the provided byte array to a String using the UTF-8 encoding.
decodeJobHistoryFileName(String) - Static method in class org.apache.hadoop.mapred.JobHistory.JobInfo
Helper function to decode the URL of the filename of the job-history log file.
decodeVIntSize(byte) - Static method in class org.apache.hadoop.io.WritableUtils
Parse the first byte of a vint/vlong to determine the number of bytes
decompress(byte[], int, int) - Method in interface org.apache.hadoop.io.compress.Decompressor
Fills specified buffer with uncompressed data.
decompress(byte[], int, int) - Method in class org.apache.hadoop.io.compress.lzo.LzoDecompressor
 
decompress(byte[], int, int) - Method in class org.apache.hadoop.io.compress.zlib.BuiltInZlibInflater
 
decompress(byte[], int, int) - Method in class org.apache.hadoop.io.compress.zlib.ZlibDecompressor
 
Decompressor - Interface in org.apache.hadoop.io.compress
Specification of a stream-based 'de-compressor' which can be plugged into a CompressionInputStream to compress data.
DEFAULT - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
DEFAULT_BLOCK_SIZE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
DEFAULT_BLOCK_SIZE - Static variable in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
DEFAULT_BUFFER_SIZE - Static variable in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
DEFAULT_DATA_SOCKET_SIZE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
DEFAULT_HOST_LEVEL - Static variable in class org.apache.hadoop.net.NetworkTopology
 
DEFAULT_PERIOD - Static variable in interface org.apache.hadoop.metrics.MetricsContext
Default period in seconds at which data is sent to the metrics system.
DEFAULT_PORT - Static variable in class org.apache.hadoop.dfs.NameNode
 
DEFAULT_RACK - Static variable in class org.apache.hadoop.net.NetworkTopology
 
DEFAULT_UMASK - Static variable in class org.apache.hadoop.fs.permission.FsPermission
 
DefaultCodec - Class in org.apache.hadoop.io.compress
 
DefaultCodec() - Constructor for class org.apache.hadoop.io.compress.DefaultCodec
 
DefaultJobHistoryParser - Class in org.apache.hadoop.mapred
Default parser for job history files.
DefaultJobHistoryParser() - Constructor for class org.apache.hadoop.mapred.DefaultJobHistoryParser
 
DefaultStringifier<T> - Class in org.apache.hadoop.io
DefaultStringifier is the default implementation of the Stringifier interface which stringifies the objects using base64 encoding of the serialized version of the objects.
DefaultStringifier(Configuration, Class<T>) - Constructor for class org.apache.hadoop.io.DefaultStringifier
 
define(Class, WritableComparator) - Static method in class org.apache.hadoop.io.WritableComparator
Register an optimized comparator for a WritableComparable implementation.
define(Class, RecordComparator) - Static method in class org.apache.hadoop.record.RecordComparator
Register an optimized comparator for a Record implementation.
DELETE - Static variable in class org.apache.hadoop.contrib.index.mapred.DocumentAndOp.Op
 
delete(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Deprecated. 
delete(Path, boolean) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
requires a boolean check to delete a non empty directory recursively.
delete(Path) - Method in class org.apache.hadoop.dfs.HftpFileSystem
Deprecated. 
delete(Path, boolean) - Method in class org.apache.hadoop.dfs.HftpFileSystem
 
delete(String) - Method in class org.apache.hadoop.dfs.NameNode
Deprecated. 
delete(String, boolean) - Method in class org.apache.hadoop.dfs.NameNode
Delete the given file or directory from the file system.
delete(Path, boolean) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
Implement the delete(Path, boolean) in checksum file system.
delete(Path) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Use delete(Path, boolean) instead
delete(Path, boolean) - Method in class org.apache.hadoop.fs.FileSystem
Delete a file.
delete(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
Deprecated. 
delete(Path, boolean) - Method in class org.apache.hadoop.fs.FilterFileSystem
Delete a file
delete(Path) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
Deprecated. Use delete(Path, boolean) instead
delete(Path, boolean) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
delete(Path, boolean) - Method in class org.apache.hadoop.fs.HarFileSystem
Not implemented.
delete(Path, boolean) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
delete(Path) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
Deprecated. 
delete(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
Deprecated. 
delete(Path, boolean) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
delete(Path, boolean) - Method in class org.apache.hadoop.fs.s3.S3FileSystem
 
delete(Path) - Method in class org.apache.hadoop.fs.s3.S3FileSystem
Deprecated. 
delete(Path) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Deprecated. 
delete(Path, boolean) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
 
delete(FileSystem, String) - Static method in class org.apache.hadoop.io.MapFile
Deletes the named map file.
deleteBlock(Block) - Method in interface org.apache.hadoop.fs.s3.FileSystemStore
 
deleteFile(String) - Method in class org.apache.hadoop.contrib.index.lucene.FileSystemDirectory
 
deleteINode(Path) - Method in interface org.apache.hadoop.fs.s3.FileSystemStore
 
deleteLocalFiles() - Method in class org.apache.hadoop.mapred.JobConf
 
deleteLocalFiles(String) - Method in class org.apache.hadoop.mapred.JobConf
 
deleteOnExit(Path) - Method in class org.apache.hadoop.fs.FileSystem
Mark a path to be deleted when FileSystem is closed.
deleteTermIterator() - Method in class org.apache.hadoop.contrib.index.mapred.IntermediateForm
Get an iterator for the delete terms in the intermediate form.
DEPENDENT_FAILED - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
depth() - Method in class org.apache.hadoop.fs.Path
Return the number of elements in this path.
DESCRIPTION - Static variable in class org.apache.hadoop.fs.shell.Count
 
deserialize(InputStream) - Static method in class org.apache.hadoop.fs.s3.INode
 
deserialize(T) - Method in interface org.apache.hadoop.io.serializer.Deserializer
Deserialize the next object from the underlying input stream.
deserialize(RecordInput, String) - Method in class org.apache.hadoop.record.meta.RecordTypeInfo
Deserialize the type information for a record
deserialize(RecordInput, String) - Method in class org.apache.hadoop.record.Record
Deserialize a record with a tag (usually field name)
deserialize(RecordInput) - Method in class org.apache.hadoop.record.Record
Deserialize a record without a tag
Deserializer<T> - Interface in org.apache.hadoop.io.serializer
Provides a facility for deserializing objects of type from an InputStream.
DeserializerComparator<T> - Class in org.apache.hadoop.io.serializer
A RawComparator that uses a Deserializer to deserialize the objects to be compared so that the standard Comparator can be used to compare them.
DeserializerComparator(Deserializer<T>) - Constructor for class org.apache.hadoop.io.serializer.DeserializerComparator
 
detailedUsage_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
df - Static variable in class org.apache.hadoop.dfs.HftpFileSystem
 
DF - Class in org.apache.hadoop.fs
Filesystem disk space usage statistics.
DF(File, Configuration) - Constructor for class org.apache.hadoop.fs.DF
 
DF(File, long) - Constructor for class org.apache.hadoop.fs.DF
 
DF_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.fs.DF
 
dfmt(double) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
DFSAdmin - Class in org.apache.hadoop.dfs
This class provides some DFS administrative access.
DFSAdmin() - Constructor for class org.apache.hadoop.dfs.DFSAdmin
Construct a DFSAdmin object.
DFSAdmin(Configuration) - Constructor for class org.apache.hadoop.dfs.DFSAdmin
Construct a DFSAdmin object.
DFSck - Class in org.apache.hadoop.dfs
This class provides rudimentary checking of DFS volumes for errors and sub-optimal conditions.
DFSck(Configuration) - Constructor for class org.apache.hadoop.dfs.DFSck
Filesystem checker.
DFSNodesStatus(ArrayList<DatanodeDescriptor>, ArrayList<DatanodeDescriptor>) - Method in class org.apache.hadoop.dfs.JspHelper
 
dfsUsed - Variable in class org.apache.hadoop.dfs.DatanodeInfo
 
digest(byte[]) - Static method in class org.apache.hadoop.io.MD5Hash
Construct a hash value for a byte array.
digest(byte[], int, int) - Static method in class org.apache.hadoop.io.MD5Hash
Construct a hash value for a byte array.
digest(String) - Static method in class org.apache.hadoop.io.MD5Hash
Construct a hash value for a String.
digest(UTF8) - Static method in class org.apache.hadoop.io.MD5Hash
Construct a hash value for a String.
DIRECTORY_INODE - Static variable in class org.apache.hadoop.fs.s3.INode
 
disable_tracing() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
DiskChecker - Class in org.apache.hadoop.util
Class that provides utility functions for checking disk problem
DiskChecker() - Constructor for class org.apache.hadoop.util.DiskChecker
 
DiskChecker.DiskErrorException - Exception in org.apache.hadoop.util
 
DiskChecker.DiskErrorException(String) - Constructor for exception org.apache.hadoop.util.DiskChecker.DiskErrorException
 
DiskChecker.DiskOutOfSpaceException - Exception in org.apache.hadoop.util
 
DiskChecker.DiskOutOfSpaceException(String) - Constructor for exception org.apache.hadoop.util.DiskChecker.DiskOutOfSpaceException
 
displayByteArray(byte[]) - Static method in class org.apache.hadoop.io.WritableUtils
 
DistributedCache - Class in org.apache.hadoop.filecache
Distribute application-specific large, read-only files efficiently.
DistributedCache() - Constructor for class org.apache.hadoop.filecache.DistributedCache
 
DistributedFileSystem - Class in org.apache.hadoop.dfs
Implementation of the abstract FileSystem for the DFS system.
DistributedFileSystem() - Constructor for class org.apache.hadoop.dfs.DistributedFileSystem
 
DistributedFileSystem(InetSocketAddress, Configuration) - Constructor for class org.apache.hadoop.dfs.DistributedFileSystem
Deprecated.  
DistributedFileSystem.DiskStatus - Class in org.apache.hadoop.dfs
 
DistributedFileSystem.DiskStatus(long, long, long) - Constructor for class org.apache.hadoop.dfs.DistributedFileSystem.DiskStatus
 
DistributedPentomino - Class in org.apache.hadoop.examples.dancing
Launch a distributed pentomino solver.
DistributedPentomino() - Constructor for class org.apache.hadoop.examples.dancing.DistributedPentomino
 
DistributedPentomino.PentMap - Class in org.apache.hadoop.examples.dancing
Each map takes a line, which represents a prefix move and finds all of the solutions that start with that prefix.
DistributedPentomino.PentMap() - Constructor for class org.apache.hadoop.examples.dancing.DistributedPentomino.PentMap
 
distributedUpgradeProgress(FSConstants.UpgradeAction) - Method in class org.apache.hadoop.dfs.ChecksumDistributedFileSystem
 
distributedUpgradeProgress(FSConstants.UpgradeAction) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
distributedUpgradeProgress(FSConstants.UpgradeAction) - Method in class org.apache.hadoop.dfs.NameNode
 
DNS - Class in org.apache.hadoop.net
A class that provides direct and reverse lookup functionalities, allowing the querying of specific network interfaces or nameservers.
DNS() - Constructor for class org.apache.hadoop.net.DNS
 
DNSToSwitchMapping - Interface in org.apache.hadoop.net
An interface that should be implemented to allow pluggable DNS-name/IP-address to RackID resolvers.
DocumentAndOp - Class in org.apache.hadoop.contrib.index.mapred
This class represents an indexing operation.
DocumentAndOp() - Constructor for class org.apache.hadoop.contrib.index.mapred.DocumentAndOp
Constructor for no operation.
DocumentAndOp(DocumentAndOp.Op, Document) - Constructor for class org.apache.hadoop.contrib.index.mapred.DocumentAndOp
Constructor for an insert operation.
DocumentAndOp(DocumentAndOp.Op, Term) - Constructor for class org.apache.hadoop.contrib.index.mapred.DocumentAndOp
Constructor for a delete operation.
DocumentAndOp(DocumentAndOp.Op, Document, Term) - Constructor for class org.apache.hadoop.contrib.index.mapred.DocumentAndOp
Constructor for an insert, a delete or an update operation.
DocumentAndOp.Op - Class in org.apache.hadoop.contrib.index.mapred
This class represents the type of an operation - an insert, a delete or an update.
DocumentID - Class in org.apache.hadoop.contrib.index.mapred
The class represents a document id, which is of type text.
DocumentID() - Constructor for class org.apache.hadoop.contrib.index.mapred.DocumentID
Constructor.
doGet(HttpServletRequest, HttpServletResponse) - Method in class org.apache.hadoop.dfs.DataBlockScanner.Servlet
 
doGet(HttpServletRequest, HttpServletResponse) - Method in class org.apache.hadoop.dfs.FileDataServlet
Service a GET request as described below.
doGet(HttpServletRequest, HttpServletResponse) - Method in class org.apache.hadoop.dfs.FsckServlet
 
doGet(HttpServletRequest, HttpServletResponse) - Method in class org.apache.hadoop.dfs.GetImageServlet
 
doGet(HttpServletRequest, HttpServletResponse) - Method in class org.apache.hadoop.dfs.ListPathsServlet
Service a GET request as described below.
doGet(HttpServletRequest, HttpServletResponse) - Method in class org.apache.hadoop.dfs.StreamFile
 
doGet(HttpServletRequest, HttpServletResponse) - Method in class org.apache.hadoop.log.LogLevel.Servlet
 
doGet(HttpServletRequest, HttpServletResponse) - Method in class org.apache.hadoop.mapred.StatusHttpServer.StackServlet
 
doGet(HttpServletRequest, HttpServletResponse) - Method in class org.apache.hadoop.mapred.StatusHttpServer.TaskGraphServlet
 
doGet(HttpServletRequest, HttpServletResponse) - Method in class org.apache.hadoop.mapred.TaskLogServlet
Get the logs via http.
doGet(HttpServletRequest, HttpServletResponse) - Method in class org.apache.hadoop.mapred.TaskTracker.MapOutputServlet
 
done(String, boolean) - Method in class org.apache.hadoop.mapred.TaskTracker
Deprecated. 
done(TaskAttemptID, boolean) - Method in class org.apache.hadoop.mapred.TaskTracker
The task is done.
Done() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
done() - Method in interface org.apache.hadoop.record.Index
 
doSync() - Method in class org.apache.hadoop.io.SequenceFile.Sorter.SegmentDescriptor
Do the sync checks
DOT_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
DOUBLE - Static variable in class org.apache.hadoop.record.meta.TypeID.RIOType
 
DOUBLE_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
DOUBLE_VALUE_SUM - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
DoubleTypeID - Static variable in class org.apache.hadoop.record.meta.TypeID
 
DoubleValueSum - Class in org.apache.hadoop.mapred.lib.aggregate
This class implements a value aggregator that sums up a sequence of double values.
DoubleValueSum() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.DoubleValueSum
The default constructor
DoubleWritable - Class in org.apache.hadoop.io
Writable for Double values.
DoubleWritable() - Constructor for class org.apache.hadoop.io.DoubleWritable
 
DoubleWritable(double) - Constructor for class org.apache.hadoop.io.DoubleWritable
 
DoubleWritable.Comparator - Class in org.apache.hadoop.io
A Comparator optimized for DoubleWritable.
DoubleWritable.Comparator() - Constructor for class org.apache.hadoop.io.DoubleWritable.Comparator
 
doUpdates(MetricsContext) - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
Since this object is a registered updater, this method will be called periodically, e.g.
doUpdates(MetricsContext) - Method in class org.apache.hadoop.dfs.FSNamesystemMetrics
Since this object is a registered updater, this method will be called periodically, e.g.
doUpdates(MetricsContext) - Method in class org.apache.hadoop.dfs.NameNodeMetrics
Since this object is a registered updater, this method will be called periodically, e.g.
doUpdates(MetricsContext) - Method in class org.apache.hadoop.ipc.metrics.RpcMetrics
Push the metrics to the monitoring subsystem on doUpdate() call.
doUpdates(MetricsContext) - Method in class org.apache.hadoop.mapred.TaskTracker.TaskTrackerMetrics
Since this object is a registered updater, this method will be called periodically, e.g.
doUpdates(MetricsContext) - Method in class org.apache.hadoop.metrics.jvm.JvmMetrics
This will be called periodically (with the period being configuration dependent).
doUpdates(MetricsContext) - Method in interface org.apache.hadoop.metrics.Updater
Timer-based call-back from the metric library.
driver(String[]) - Static method in class org.apache.hadoop.record.compiler.generated.Rcc
 
driver(String[]) - Method in class org.apache.hadoop.util.ProgramDriver
This is a driver for the example programs.
DU - Class in org.apache.hadoop.fs
Filesystem disk space usage statistics.
DU(File, long) - Constructor for class org.apache.hadoop.fs.DU
Keeps track of disk usage.
DU(File, Configuration) - Constructor for class org.apache.hadoop.fs.DU
Keeps track of disk usage.
dump() - Method in interface org.apache.hadoop.fs.s3.FileSystemStore
Diagnostic method to dump all INodes to the console.

E

emit(TupleWritable) - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader
For each tuple emitted, return a value (typically one of the values in the tuple).
emit(TupleWritable) - Method in class org.apache.hadoop.mapred.join.OverrideRecordReader
Emit the value with the highest position in the tuple.
emitRecord(String, String, OutputRecord) - Method in class org.apache.hadoop.metrics.file.FileContext
Emits a metrics record to a file.
emitRecord(String, String, OutputRecord) - Method in class org.apache.hadoop.metrics.ganglia.GangliaContext
 
emitRecord(String, String, OutputRecord) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Sends a record to the metrics system.
emitRecord(String, String, OutputRecord) - Method in class org.apache.hadoop.metrics.spi.NullContext
Do-nothing version of emitRecord
emitRecord(String, String, OutputRecord) - Method in class org.apache.hadoop.metrics.spi.NullContextWithUpdateThread
Do-nothing version of emitRecord
EMPTY_ARRAY - Static variable in class org.apache.hadoop.mapred.TaskCompletionEvent
 
enable_tracing() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
encode(String) - Static method in class org.apache.hadoop.io.Text
Converts the provided String to bytes using the UTF-8 encoding.
encode(String, boolean) - Static method in class org.apache.hadoop.io.Text
Converts the provided String to bytes using the UTF-8 encoding.
encodeJobHistoryFileName(String) - Static method in class org.apache.hadoop.mapred.JobHistory.JobInfo
Helper function to encode the URL of the filename of the job-history log file.
encodeJobHistoryFilePath(String) - Static method in class org.apache.hadoop.mapred.JobHistory.JobInfo
Helper function to encode the URL of the path of the job-history log file.
end() - Method in interface org.apache.hadoop.io.compress.Compressor
Closes the compressor and discards any unprocessed input.
end() - Method in interface org.apache.hadoop.io.compress.Decompressor
Closes the decompressor and discards any unprocessed input.
end() - Method in class org.apache.hadoop.io.compress.lzo.LzoCompressor
Noop.
end() - Method in class org.apache.hadoop.io.compress.lzo.LzoDecompressor
 
end() - Method in class org.apache.hadoop.io.compress.zlib.ZlibCompressor
 
end() - Method in class org.apache.hadoop.io.compress.zlib.ZlibDecompressor
 
endColumn - Variable in class org.apache.hadoop.record.compiler.generated.Token
beginLine and beginColumn describe the position of the first character of this token; endLine and endColumn describe the position of the last character of this token.
endLine - Variable in class org.apache.hadoop.record.compiler.generated.Token
beginLine and beginColumn describe the position of the first character of this token; endLine and endColumn describe the position of the last character of this token.
endMap(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
 
endMap(TreeMap, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
 
endMap(String) - Method in class org.apache.hadoop.record.CsvRecordInput
 
endMap(TreeMap, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
 
endMap(String) - Method in interface org.apache.hadoop.record.RecordInput
Check the mark for end of the serialized map.
endMap(TreeMap, String) - Method in interface org.apache.hadoop.record.RecordOutput
Mark the end of a serialized map.
endMap(String) - Method in class org.apache.hadoop.record.XmlRecordInput
 
endMap(TreeMap, String) - Method in class org.apache.hadoop.record.XmlRecordOutput
 
endRecord(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
 
endRecord(Record, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
 
endRecord(String) - Method in class org.apache.hadoop.record.CsvRecordInput
 
endRecord(Record, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
 
endRecord(String) - Method in interface org.apache.hadoop.record.RecordInput
Check the mark for end of the serialized record.
endRecord(Record, String) - Method in interface org.apache.hadoop.record.RecordOutput
Mark the end of a serialized record.
endRecord(String) - Method in class org.apache.hadoop.record.XmlRecordInput
 
endRecord(Record, String) - Method in class org.apache.hadoop.record.XmlRecordOutput
 
endVector(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
 
endVector(ArrayList, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
 
endVector(String) - Method in class org.apache.hadoop.record.CsvRecordInput
 
endVector(ArrayList, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
 
endVector(String) - Method in interface org.apache.hadoop.record.RecordInput
Check the mark for end of the serialized vector.
endVector(ArrayList, String) - Method in interface org.apache.hadoop.record.RecordOutput
Mark the end of a serialized vector.
endVector(String) - Method in class org.apache.hadoop.record.XmlRecordInput
 
endVector(ArrayList, String) - Method in class org.apache.hadoop.record.XmlRecordOutput
 
ensureInflated() - Method in class org.apache.hadoop.io.CompressedWritable
Must be called by all methods which access fields to ensure that the data has been uncompressed.
entrySet() - Method in class org.apache.hadoop.io.MapWritable
entrySet() - Method in class org.apache.hadoop.io.SortedMapWritable
env_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
Environment - Class in org.apache.hadoop.streaming
This is a class used to get the current environment on the host machines running the map/reduce.
Environment() - Constructor for class org.apache.hadoop.streaming.Environment
 
EOF - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
eol - Variable in exception org.apache.hadoop.record.compiler.generated.ParseException
The end of line string for this machine.
equals(Object) - Method in class org.apache.hadoop.contrib.index.mapred.Shard
 
equals(Object) - Method in class org.apache.hadoop.dfs.DatanodeID
 
equals(Object) - Method in class org.apache.hadoop.examples.MultiFileWordCount.WordOffset
 
equals(Object) - Method in class org.apache.hadoop.fs.FileStatus
Compare if this object is equal to another object
equals(Object) - Method in class org.apache.hadoop.fs.Path
 
equals(Object) - Method in class org.apache.hadoop.fs.permission.FsPermission
equals(Object) - Method in class org.apache.hadoop.io.BooleanWritable
 
equals(Object) - Method in class org.apache.hadoop.io.BytesWritable
Are the two byte sequences equal?
equals(Object) - Method in class org.apache.hadoop.io.ByteWritable
Returns true iff o is a ByteWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.DoubleWritable
Returns true iff o is a DoubleWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.FloatWritable
Returns true iff o is a FloatWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.IntWritable
Returns true iff o is a IntWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.LongWritable
Returns true iff o is a LongWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.MD5Hash
Returns true iff o is an MD5Hash whose digest contains the same values.
equals(Object) - Method in class org.apache.hadoop.io.NullWritable
 
equals(SequenceFile.Metadata) - Method in class org.apache.hadoop.io.SequenceFile.Metadata
 
equals(Object) - Method in class org.apache.hadoop.io.SequenceFile.Sorter.SegmentDescriptor
 
equals(Object) - Method in class org.apache.hadoop.io.Text
Returns true iff o is a Text with the same contents.
equals(Object) - Method in class org.apache.hadoop.io.UTF8
Deprecated. Returns true iff o is a UTF8 with the same contents.
equals(Object) - Method in class org.apache.hadoop.io.VIntWritable
Returns true iff o is a VIntWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.VLongWritable
Returns true iff o is a VLongWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.mapred.ID
 
equals(Object) - Method in class org.apache.hadoop.mapred.JobID
 
equals(Object) - Method in class org.apache.hadoop.mapred.join.TupleWritable
equals(Object) - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
Return true iff compareTo(other) retn true.
equals(Object) - Method in class org.apache.hadoop.mapred.TaskAttemptID
 
equals(Object) - Method in class org.apache.hadoop.mapred.TaskID
 
equals(Object) - Method in class org.apache.hadoop.net.SocksSocketFactory
 
equals(Object) - Method in class org.apache.hadoop.net.StandardSocketFactory
 
equals(Object) - Method in class org.apache.hadoop.record.Buffer
 
equals(Object) - Method in class org.apache.hadoop.record.meta.FieldTypeInfo
Two FieldTypeInfos are equal if ach of their fields matches
equals(FieldTypeInfo) - Method in class org.apache.hadoop.record.meta.FieldTypeInfo
 
equals(Object) - Method in class org.apache.hadoop.record.meta.MapTypeID
Two map typeIDs are equal if their constituent elements have the same type
equals(Object) - Method in class org.apache.hadoop.record.meta.TypeID
Two base typeIDs are equal if they refer to the same type
equals(Object) - Method in class org.apache.hadoop.record.meta.VectorTypeID
Two vector typeIDs are equal if their constituent elements have the same type
equals(Object) - Method in class org.apache.hadoop.security.UnixUserGroupInformation
Decide if two UGIs are the same
errorReport(DatanodeRegistration, int, String) - Method in class org.apache.hadoop.dfs.NameNode
 
ESCAPE_CHAR - Static variable in class org.apache.hadoop.util.StringUtils
 
escapeString(String) - Static method in class org.apache.hadoop.util.StringUtils
Escape commas in the string using the default escape char
escapeString(String, char, char) - Static method in class org.apache.hadoop.util.StringUtils
Escape charToEscape in the string with the escape char escapeChar
EventCounter - Class in org.apache.hadoop.metrics.jvm
A log4J Appender that simply counts logging events in three levels: fatal, error and warn.
EventCounter() - Constructor for class org.apache.hadoop.metrics.jvm.EventCounter
 
ExampleDriver - Class in org.apache.hadoop.examples
A description of an example program based on its class and a human-readable description.
ExampleDriver() - Constructor for class org.apache.hadoop.examples.ExampleDriver
 
execCommand(String...) - Static method in class org.apache.hadoop.util.Shell
Static method to execute a shell command.
execute() - Method in class org.apache.hadoop.record.compiler.ant.RccTask
Invoke the Hadoop record compiler on each record definition file
execute() - Method in class org.apache.hadoop.util.Shell.ShellCommandExecutor
Execute the shell command.
exists(Path) - Method in class org.apache.hadoop.fs.FileSystem
Check if exists.
exitUsage(boolean) - Method in class org.apache.hadoop.streaming.StreamJob
 
ExpandBuff(boolean) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
expectedTokenSequences - Variable in exception org.apache.hadoop.record.compiler.generated.ParseException
Each entry in this array is an array of integers.
exponentialBackoffRetry(int, long, TimeUnit) - Static method in class org.apache.hadoop.io.retry.RetryPolicies
Keep trying a limited number of times, waiting a growing amount of time between attempts, and then fail by re-throwing the exception.
expunge() - Method in class org.apache.hadoop.fs.Trash
Delete old checkpoints.

F

fail(String) - Method in class org.apache.hadoop.streaming.StreamJob
 
FAILED - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
FAILED - Static variable in class org.apache.hadoop.mapred.JobStatus
 
failedJobs() - Method in class org.apache.hadoop.mapred.JobTracker
 
Field() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
FieldSelectionMapReduce<K,V> - Class in org.apache.hadoop.mapred.lib
This class implements a mapper/reducer class that can be used to perform field selections in a manner similar to unix cut.
FieldSelectionMapReduce() - Constructor for class org.apache.hadoop.mapred.lib.FieldSelectionMapReduce
 
FieldTypeInfo - Class in org.apache.hadoop.record.meta
Represents a type information for a field, which is made up of its ID (name) and its type (a TypeID object).
file - Variable in class org.apache.hadoop.fs.FSInputChecker
The file name from which data is read from
FILE_NAME_PROPERTY - Static variable in class org.apache.hadoop.metrics.file.FileContext
 
FILE_TYPES - Static variable in class org.apache.hadoop.fs.s3.INode
 
FileAlreadyExistsException - Exception in org.apache.hadoop.mapred
Used when target file already exists for any operation and is not configured to be overwritten.
FileAlreadyExistsException() - Constructor for exception org.apache.hadoop.mapred.FileAlreadyExistsException
 
FileAlreadyExistsException(String) - Constructor for exception org.apache.hadoop.mapred.FileAlreadyExistsException
 
FileContext - Class in org.apache.hadoop.metrics.file
Metrics context for writing metrics to a file.

This class is configured by setting ContextFactory attributes which in turn are usually configured through a properties file.

FileContext() - Constructor for class org.apache.hadoop.metrics.file.FileContext
Creates a new instance of FileContext
FileDataServlet - Class in org.apache.hadoop.dfs
Redirect queries about the hosted filesystem to an appropriate datanode.
FileDataServlet() - Constructor for class org.apache.hadoop.dfs.FileDataServlet
 
fileExists(String) - Method in class org.apache.hadoop.contrib.index.lucene.FileSystemDirectory
 
fileExtension(String) - Method in class org.apache.hadoop.streaming.JarBuilder
 
FileInputFormat<K,V> - Class in org.apache.hadoop.mapred
A base class for file-based InputFormat.
FileInputFormat() - Constructor for class org.apache.hadoop.mapred.FileInputFormat
 
fileLength(String) - Method in class org.apache.hadoop.contrib.index.lucene.FileSystemDirectory
 
fileModified(String) - Method in class org.apache.hadoop.contrib.index.lucene.FileSystemDirectory
 
FileOutputFormat<K,V> - Class in org.apache.hadoop.mapred
A base class for OutputFormat.
FileOutputFormat() - Constructor for class org.apache.hadoop.mapred.FileOutputFormat
 
FileSplit - Class in org.apache.hadoop.mapred
A section of an input file.
FileSplit(Path, long, long, JobConf) - Constructor for class org.apache.hadoop.mapred.FileSplit
Deprecated.  
FileSplit(Path, long, long, String[]) - Constructor for class org.apache.hadoop.mapred.FileSplit
Constructs a split with host information
FileStatus - Class in org.apache.hadoop.fs
Interface that represents the client side information for a file.
FileStatus() - Constructor for class org.apache.hadoop.fs.FileStatus
 
FileStatus(long, boolean, int, long, long, Path) - Constructor for class org.apache.hadoop.fs.FileStatus
 
FileStatus(long, boolean, int, long, long, FsPermission, String, String, Path) - Constructor for class org.apache.hadoop.fs.FileStatus
 
filesTotal - Variable in class org.apache.hadoop.dfs.FSNamesystemMetrics
 
FileSystem - Class in org.apache.hadoop.fs
An abstract base class for a fairly generic filesystem.
FileSystem() - Constructor for class org.apache.hadoop.fs.FileSystem
 
FileSystem.Statistics - Class in org.apache.hadoop.fs
 
FileSystem.Statistics() - Constructor for class org.apache.hadoop.fs.FileSystem.Statistics
 
FileSystemDirectory - Class in org.apache.hadoop.contrib.index.lucene
This class implements a Lucene Directory on top of a general FileSystem.
FileSystemDirectory(FileSystem, Path, boolean, Configuration) - Constructor for class org.apache.hadoop.contrib.index.lucene.FileSystemDirectory
Constructor
FileSystemStore - Interface in org.apache.hadoop.fs.s3
A facility for storing and retrieving INodes and Blocks.
fileURIs - Variable in class org.apache.hadoop.streaming.StreamJob
 
FileUtil - Class in org.apache.hadoop.fs
A collection of file-processing util methods
FileUtil() - Constructor for class org.apache.hadoop.fs.FileUtil
 
FileUtil.HardLink - Class in org.apache.hadoop.fs
Class for creating hardlinks.
FileUtil.HardLink() - Constructor for class org.apache.hadoop.fs.FileUtil.HardLink
 
FillBuff() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
fillJoinCollector(K) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
For all child RRs offering the key provided, obtain an iterator at that position in the JoinCollector.
fillJoinCollector(K) - Method in class org.apache.hadoop.mapred.join.OverrideRecordReader
Instead of filling the JoinCollector with iterators from all data sources, fill only the rightmost for this key.
FilterFileSystem - Class in org.apache.hadoop.fs
A FilterFileSystem contains some other file system, which it uses as its basic file system, possibly transforming the data along the way or providing additional functionality.
FilterFileSystem() - Constructor for class org.apache.hadoop.fs.FilterFileSystem
 
FilterFileSystem(FileSystem) - Constructor for class org.apache.hadoop.fs.FilterFileSystem
 
finalize() - Method in class org.apache.hadoop.io.compress.lzo.LzoDecompressor
 
finalize() - Method in class org.apache.hadoop.io.compress.zlib.ZlibDecompressor
 
finalizeBlock(Block) - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Finalizes the block previously opened for writing using writeToBlock.
finalized - Variable in class org.apache.hadoop.dfs.UpgradeStatusReport
 
finalizeUpgrade() - Method in class org.apache.hadoop.dfs.ChecksumDistributedFileSystem
Finalize previously upgraded files system state.
finalizeUpgrade() - Method in class org.apache.hadoop.dfs.DFSAdmin
Command to ask the namenode to finalize previously performed upgrade.
finalizeUpgrade() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Finalize previously upgraded files system state.
finalizeUpgrade() - Method in class org.apache.hadoop.dfs.NameNode
 
finalKey(WritableComparable) - Method in class org.apache.hadoop.io.MapFile.Reader
Reads the final key from the file.
find(String) - Method in class org.apache.hadoop.io.Text
 
find(String, int) - Method in class org.apache.hadoop.io.Text
Finds any occurence of what in the backing buffer, starting as position start.
findByte(byte[], int, int, byte) - Static method in class org.apache.hadoop.streaming.UTF8ByteArrayUtils
Find the first occurrence of the given byte b in a UTF-8 encoded string
findCounter(Enum) - Method in class org.apache.hadoop.mapred.Counters
Find the counter for the given enum.
findCounter(String, int, String) - Method in class org.apache.hadoop.mapred.Counters
Deprecated.  
findInClasspath(String) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
findInClasspath(String, ClassLoader) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
findNthByte(byte[], int, int, byte, int) - Static method in class org.apache.hadoop.streaming.UTF8ByteArrayUtils
Find the nth occurrence of the given byte b in a UTF-8 encoded string
findNthByte(byte[], byte, int) - Static method in class org.apache.hadoop.streaming.UTF8ByteArrayUtils
Find the nth occurrence of the given byte b in a UTF-8 encoded string
findSeparator(byte[], int, int, byte) - Static method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
findTab(byte[], int, int) - Static method in class org.apache.hadoop.streaming.UTF8ByteArrayUtils
Find the first occured tab in a UTF-8 encoded string
findTab(byte[]) - Static method in class org.apache.hadoop.streaming.UTF8ByteArrayUtils
Find the first occured tab in a UTF-8 encoded string
finish() - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
Finishes writing compressed data to the output stream without closing the underlying stream.
finish() - Method in interface org.apache.hadoop.io.compress.Compressor
When called, indicates that compression should end with the current contents of the input buffer.
finish() - Method in class org.apache.hadoop.io.compress.GzipCodec.GzipOutputStream
 
finish() - Method in class org.apache.hadoop.io.compress.lzo.LzoCompressor
 
finish() - Method in class org.apache.hadoop.io.compress.zlib.ZlibCompressor
 
finished() - Method in interface org.apache.hadoop.io.compress.Compressor
Returns true if the end of the compressed data output stream has been reached.
finished() - Method in interface org.apache.hadoop.io.compress.Decompressor
Returns true if the end of the compressed data output stream has been reached.
finished() - Method in class org.apache.hadoop.io.compress.lzo.LzoCompressor
 
finished() - Method in class org.apache.hadoop.io.compress.lzo.LzoDecompressor
 
finished() - Method in class org.apache.hadoop.io.compress.zlib.ZlibCompressor
 
finished() - Method in class org.apache.hadoop.io.compress.zlib.ZlibDecompressor
 
firstKey() - Method in class org.apache.hadoop.io.SortedMapWritable
fix(FileSystem, Path, Class, Class, boolean, Configuration) - Static method in class org.apache.hadoop.io.MapFile
This method attempts to fix a corrupt MapFile by re-creating its index.
FIXING_DELETE - Static variable in class org.apache.hadoop.dfs.NamenodeFsck
Delete corrupted files.
FIXING_MOVE - Static variable in class org.apache.hadoop.dfs.NamenodeFsck
Move corrupted files to /lost+found .
FIXING_NONE - Static variable in class org.apache.hadoop.dfs.NamenodeFsck
Don't attempt any fixing .
FLOAT - Static variable in class org.apache.hadoop.record.meta.TypeID.RIOType
 
FLOAT_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
FloatTypeID - Static variable in class org.apache.hadoop.record.meta.TypeID
 
FloatWritable - Class in org.apache.hadoop.io
A WritableComparable for floats.
FloatWritable() - Constructor for class org.apache.hadoop.io.FloatWritable
 
FloatWritable(float) - Constructor for class org.apache.hadoop.io.FloatWritable
 
FloatWritable.Comparator - Class in org.apache.hadoop.io
A Comparator optimized for FloatWritable.
FloatWritable.Comparator() - Constructor for class org.apache.hadoop.io.FloatWritable.Comparator
 
flush() - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
 
flush() - Method in class org.apache.hadoop.io.compress.GzipCodec.GzipOutputStream
 
flush() - Method in class org.apache.hadoop.metrics.file.FileContext
Flushes the output writer, forcing updates to disk.
flush() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Called each period after all records have been emitted, this method does nothing.
flushBuffer() - Method in class org.apache.hadoop.fs.FSOutputSummer
 
flushBuffer(boolean) - Method in class org.apache.hadoop.fs.FSOutputSummer
 
format(Configuration) - Static method in class org.apache.hadoop.dfs.NameNode
Format a new filesystem.
formatBytes(long) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
formatBytes2(long) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
formatPercent(double, int) - Static method in class org.apache.hadoop.util.StringUtils
Format a percentage for presentation to the user.
formatTimeDiff(long, long) - Static method in class org.apache.hadoop.util.StringUtils
Given a finish and start time in long milliseconds, returns a String in the format Xhrs, Ymins, Z sec, for the time difference between two times.
forName(String) - Static method in class org.apache.hadoop.mapred.ID
Construct an ID object from given string
forName(String) - Static method in class org.apache.hadoop.mapred.JobID
Construct a JobId object from given string
forName(String) - Static method in class org.apache.hadoop.mapred.TaskAttemptID
Construct a TaskAttemptID object from given string
forName(String) - Static method in class org.apache.hadoop.mapred.TaskID
Construct a TaskID object from given string
fourRotations - Static variable in class org.apache.hadoop.examples.dancing.Pentomino
Are all 4 rotations unique?
fromShort(short) - Method in class org.apache.hadoop.fs.permission.FsPermission
 
fromString(String) - Method in class org.apache.hadoop.io.DefaultStringifier
 
fromString(String) - Method in interface org.apache.hadoop.io.Stringifier
Restores the object from its string representation.
fs - Variable in class org.apache.hadoop.fs.FilterFileSystem
 
fs - Variable in class org.apache.hadoop.fs.FsShell
 
fs - Variable in class org.apache.hadoop.fs.shell.Command
 
FsAction - Enum in org.apache.hadoop.fs.permission
File system actions, e.g.
fsck() - Method in class org.apache.hadoop.dfs.NamenodeFsck
Check files on DFS, starting from the indicated path.
FsckServlet - Class in org.apache.hadoop.dfs
This class is used in Namesystem's jetty to do fsck on namenode.
FsckServlet() - Constructor for class org.apache.hadoop.dfs.FsckServlet
 
FSConstants - Interface in org.apache.hadoop.dfs
Some handy constants
FSConstants.CheckpointStates - Enum in org.apache.hadoop.dfs
 
FSConstants.DatanodeReportType - Enum in org.apache.hadoop.dfs
 
FSConstants.NodeType - Enum in org.apache.hadoop.dfs
Type of the node
FSConstants.SafeModeAction - Enum in org.apache.hadoop.dfs
 
FSConstants.StartupOption - Enum in org.apache.hadoop.dfs
 
FSConstants.UpgradeAction - Enum in org.apache.hadoop.dfs
Distributed upgrade actions: 1.
FSDataInputStream - Class in org.apache.hadoop.fs
Utility that wraps a FSInputStream in a DataInputStream and buffers input through a BufferedInputStream.
FSDataInputStream(InputStream) - Constructor for class org.apache.hadoop.fs.FSDataInputStream
 
FSDataOutputStream - Class in org.apache.hadoop.fs
Utility that wraps a OutputStream in a DataOutputStream, buffers output through a BufferedOutputStream and creates a checksum file.
FSDataOutputStream(OutputStream) - Constructor for class org.apache.hadoop.fs.FSDataOutputStream
Deprecated. 
FSDataOutputStream(OutputStream, FileSystem.Statistics) - Constructor for class org.apache.hadoop.fs.FSDataOutputStream
 
FSDatasetInterface - Interface in org.apache.hadoop.dfs
This is an interface for the underlying storage that stores blocks for a data node.
FSDatasetInterface.BlockWriteStreams - Class in org.apache.hadoop.dfs
This class contains the output streams for the data and checksum of a block
FSDatasetInterface.MetaDataInputStream - Class in org.apache.hadoop.dfs
This class provides the input stream and length of the metadata of a block
FSDatasetMBean - Interface in org.apache.hadoop.dfs.datanode.metrics
This Interface defines the methods to get the status of a the FSDataset of a data node.
FSError - Error in org.apache.hadoop.fs
Thrown for unexpected filesystem errors, presumed to reflect disk errors in the native filesystem.
fsError(String, String) - Method in class org.apache.hadoop.mapred.TaskTracker
Deprecated. 
fsError(TaskAttemptID, String) - Method in class org.apache.hadoop.mapred.TaskTracker
A child task had a local filesystem error.
fsImageLoadTime - Variable in class org.apache.hadoop.dfs.NameNodeMetrics
 
FSInputChecker - Class in org.apache.hadoop.fs
This is a generic input stream for verifying checksums for data before it is read by a user.
FSInputChecker(Path, int) - Constructor for class org.apache.hadoop.fs.FSInputChecker
Constructor
FSInputChecker(Path, int, boolean, Checksum, int, int) - Constructor for class org.apache.hadoop.fs.FSInputChecker
Constructor
FSInputStream - Class in org.apache.hadoop.fs
FSInputStream is a generic old InputStream with a little bit of RAF-style seek ability.
FSInputStream() - Constructor for class org.apache.hadoop.fs.FSInputStream
 
FSNamesystemMBean - Interface in org.apache.hadoop.dfs.namenode.metrics
This Interface defines the methods to get the status of a the FSNamesystem of a name node.
FSNamesystemMetrics - Class in org.apache.hadoop.dfs
This class is for maintaining the various FSNamesystem status metrics and publishing them through the metrics interfaces.
FSOutputSummer - Class in org.apache.hadoop.fs
This is a generic output stream for generating checksums for data before it is written to the underlying stream
FSOutputSummer(Checksum, int, int) - Constructor for class org.apache.hadoop.fs.FSOutputSummer
 
FsPermission - Class in org.apache.hadoop.fs.permission
A class for file/directory permissions.
FsPermission(FsAction, FsAction, FsAction) - Constructor for class org.apache.hadoop.fs.permission.FsPermission
Construct by the given FsAction.
FsPermission(short) - Constructor for class org.apache.hadoop.fs.permission.FsPermission
Construct by the given mode.
FsPermission(FsPermission) - Constructor for class org.apache.hadoop.fs.permission.FsPermission
Copy constructor
FsShell - Class in org.apache.hadoop.fs
Provide command line access to a FileSystem.
FsShell() - Constructor for class org.apache.hadoop.fs.FsShell
 
FsShell(Configuration) - Constructor for class org.apache.hadoop.fs.FsShell
 
FsUrlStreamHandlerFactory - Class in org.apache.hadoop.fs
Factory for URL stream handlers.
FsUrlStreamHandlerFactory() - Constructor for class org.apache.hadoop.fs.FsUrlStreamHandlerFactory
 
FsUrlStreamHandlerFactory(Configuration) - Constructor for class org.apache.hadoop.fs.FsUrlStreamHandlerFactory
 
fsync(String, String) - Method in class org.apache.hadoop.dfs.NameNode
Write all metadata for this file into persistent storage.
FTPException - Exception in org.apache.hadoop.fs.ftp
A class to wrap a Throwable into a Runtime Exception.
FTPException(String) - Constructor for exception org.apache.hadoop.fs.ftp.FTPException
 
FTPException(Throwable) - Constructor for exception org.apache.hadoop.fs.ftp.FTPException
 
FTPException(String, Throwable) - Constructor for exception org.apache.hadoop.fs.ftp.FTPException
 
FTPFileSystem - Class in org.apache.hadoop.fs.ftp
A FileSystem backed by an FTP client provided by Apache Commons Net.
FTPFileSystem() - Constructor for class org.apache.hadoop.fs.ftp.FTPFileSystem
 
FTPInputStream - Class in org.apache.hadoop.fs.ftp
 
FTPInputStream(InputStream, FTPClient, FileSystem.Statistics) - Constructor for class org.apache.hadoop.fs.ftp.FTPInputStream
 
fullyDelete(File) - Static method in class org.apache.hadoop.fs.FileUtil
Delete a directory and all its contents.
fullyDelete(FileSystem, Path) - Static method in class org.apache.hadoop.fs.FileUtil
Recursively delete a directory.

G

GangliaContext - Class in org.apache.hadoop.metrics.ganglia
Context for sending metrics to Ganglia.
GangliaContext() - Constructor for class org.apache.hadoop.metrics.ganglia.GangliaContext
Creates a new instance of GangliaContext
genCode(String, String, ArrayList<String>) - Method in class org.apache.hadoop.record.compiler.JFile
Generate record code in given language.
generateActualKey(K, V) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputFormat
Generate the actual key from the given key/value.
generateActualValue(K, V) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputFormat
Generate the actual value from the given key and value.
generateEntry(String, String, Text) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
generateFileNameForKeyValue(K, V, String) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputFormat
Generate the file output file name based on the given key and the leaf file name.
generateGroupKey(TaggedMapOutput) - Method in class org.apache.hadoop.contrib.utils.join.DataJoinMapperBase
Generate a map output key.
generateInputTag(String) - Method in class org.apache.hadoop.contrib.utils.join.DataJoinMapperBase
Determine the source tag based on the input file name.
generateKeyValPairs(Object, Object) - Method in class org.apache.hadoop.examples.AggregateWordCount.WordCountPlugInClass
 
generateKeyValPairs(Object, Object) - Method in class org.apache.hadoop.examples.AggregateWordHistogram.AggregateWordHistogramPlugin
Parse the given value, generate an aggregation-id/value pair per word.
generateKeyValPairs(Object, Object) - Method in class org.apache.hadoop.mapred.lib.aggregate.UserDefinedValueAggregatorDescriptor
Generate a list of aggregation-id/value pairs for the given key/value pairs by delegating the invocation to the real object.
generateKeyValPairs(Object, Object) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
Generate 1 or 2 aggregation-id/value pairs for the given key/value pair.
generateKeyValPairs(Object, Object) - Method in interface org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorDescriptor
Generate a list of aggregation-id/value pairs for the given key/value pair.
generateLeafFileName(String) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputFormat
Generate the leaf name for the output file name.
generateParseException() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
generateTaggedMapOutput(Object) - Method in class org.apache.hadoop.contrib.utils.join.DataJoinMapperBase
Generate a tagged map output value.
generateValueAggregator(String) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
generationFromSegmentsFileName(String) - Static method in class org.apache.hadoop.contrib.index.lucene.LuceneUtil
Parse the generation off the segments file name and return it.
GenericOptionsParser - Class in org.apache.hadoop.util
GenericOptionsParser is a utility to parse command line arguments generic to the Hadoop framework.
GenericOptionsParser(Configuration, String[]) - Constructor for class org.apache.hadoop.util.GenericOptionsParser
Create a GenericOptionsParser to parse only the generic Hadoop arguments.
GenericOptionsParser(Configuration, Options, String[]) - Constructor for class org.apache.hadoop.util.GenericOptionsParser
Create a GenericOptionsParser to parse given options as well as generic Hadoop options.
GenericsUtil - Class in org.apache.hadoop.util
Contains utility methods for dealing with Java Generics.
GenericsUtil() - Constructor for class org.apache.hadoop.util.GenericsUtil
 
GenericWritable - Class in org.apache.hadoop.io
A wrapper for Writable instances.
GenericWritable() - Constructor for class org.apache.hadoop.io.GenericWritable
 
get(String) - Method in class org.apache.hadoop.conf.Configuration
Get the value of the name property, null if no such property exists.
get(String, String) - Method in class org.apache.hadoop.conf.Configuration
Get the value of the name property.
get(int) - Method in class org.apache.hadoop.dfs.LocatedBlocks
Get located block.
get(Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
Returns the configured filesystem implementation.
get(URI, Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
Returns the FileSystem for this URI's scheme and authority.
get(long, Writable) - Method in class org.apache.hadoop.io.ArrayFile.Reader
Return the nth value in the file.
get() - Method in class org.apache.hadoop.io.ArrayWritable
 
get() - Method in class org.apache.hadoop.io.BooleanWritable
Returns the value of the BooleanWritable
get() - Method in class org.apache.hadoop.io.BytesWritable
Get the data from the BytesWritable.
get() - Method in class org.apache.hadoop.io.ByteWritable
Return the value of this ByteWritable.
get() - Method in class org.apache.hadoop.io.DoubleWritable
 
get() - Method in class org.apache.hadoop.io.FloatWritable
Return the value of this FloatWritable.
get() - Method in class org.apache.hadoop.io.GenericWritable
Return the wrapped instance.
get() - Method in class org.apache.hadoop.io.IntWritable
Return the value of this IntWritable.
get() - Method in class org.apache.hadoop.io.LongWritable
Return the value of this LongWritable.
get(WritableComparable, Writable) - Method in class org.apache.hadoop.io.MapFile.Reader
Return the value for the named key, or null if none exists.
get(Object) - Method in class org.apache.hadoop.io.MapWritable
get() - Static method in class org.apache.hadoop.io.NullWritable
Returns the single instance of this class.
get() - Method in class org.apache.hadoop.io.ObjectWritable
Return the instance, or null if none.
get(Text) - Method in class org.apache.hadoop.io.SequenceFile.Metadata
 
get(WritableComparable) - Method in class org.apache.hadoop.io.SetFile.Reader
Read the matching key from a set into key.
get(Object) - Method in class org.apache.hadoop.io.SortedMapWritable
get() - Method in class org.apache.hadoop.io.TwoDArrayWritable
 
get() - Method in class org.apache.hadoop.io.VIntWritable
Return the value of this VIntWritable.
get() - Method in class org.apache.hadoop.io.VLongWritable
Return the value of this LongWritable.
get(Class) - Static method in class org.apache.hadoop.io.WritableComparator
Get a comparator for a WritableComparable implementation.
get() - Static method in class org.apache.hadoop.ipc.Server
Returns the server instance called under or null.
get(int) - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
Get ith child InputSplit.
get(int) - Method in class org.apache.hadoop.mapred.join.TupleWritable
Get ith Writable from Tuple.
get() - Method in class org.apache.hadoop.metrics.util.MetricsIntValue
Get value
get() - Method in class org.apache.hadoop.metrics.util.MetricsLongValue
Get value
get(DataInput) - Static method in class org.apache.hadoop.record.BinaryRecordInput
Get a thread-local record input for the supplied DataInput.
get(DataOutput) - Static method in class org.apache.hadoop.record.BinaryRecordOutput
Get a thread-local record output for the supplied DataOutput.
get() - Method in class org.apache.hadoop.record.Buffer
Get the data from the Buffer.
get() - Method in class org.apache.hadoop.util.Progress
Returns the overall progress of the root.
getAbsolutePath(String) - Method in class org.apache.hadoop.streaming.PathFinder
Returns the full path name of this file if it is listed in the path
getAccessKey() - Method in class org.apache.hadoop.fs.s3.S3Credentials
 
getAddress(Configuration) - Static method in class org.apache.hadoop.mapred.JobTracker
 
getAllJobs() - Method in class org.apache.hadoop.mapred.JobClient
Get the jobs that are submitted.
getAllJobs() - Method in class org.apache.hadoop.mapred.JobTracker
 
getAllStaticResolutions() - Static method in class org.apache.hadoop.net.NetUtils
This is used to get all the resolutions that were added using NetUtils.addStaticResolution(String, String).
getAllTasks() - Method in class org.apache.hadoop.mapred.JobHistory.JobInfo
Returns all map and reduce tasks .
getApproxChkSumLength(long) - Static method in class org.apache.hadoop.fs.ChecksumFileSystem
 
getArchiveClassPaths(Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
Get the archive entries in classpath as an array of Path
getArchiveTimestamps(Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
Get the timestamps of the archives
getAssignedJobID() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getAssignedTracker(String) - Method in class org.apache.hadoop.mapred.JobTracker
Deprecated. 
getAssignedTracker(TaskAttemptID) - Method in class org.apache.hadoop.mapred.JobTracker
Get tracker name for a given task id.
getAttribute(String) - Method in class org.apache.hadoop.mapred.StatusHttpServer
Get the value in the webapp context.
getAttribute(String) - Method in class org.apache.hadoop.metrics.ContextFactory
Returns the value of the named attribute, or null if there is no attribute of that name.
getAttribute(String) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Convenience method for subclasses to access factory attributes.
getAttributeNames() - Method in class org.apache.hadoop.metrics.ContextFactory
Returns the names of all the factory's attributes.
getAttributeTable(String) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Returns an attribute-value map derived from the factory attributes by finding all factory attributes that begin with contextName.tableName.
getAvailable() - Method in class org.apache.hadoop.fs.DF
 
getBasePathInJarOut(String) - Method in class org.apache.hadoop.streaming.JarBuilder
 
getBaseRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputFormat
 
getBaseRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.lib.MultipleSequenceFileOutputFormat
 
getBaseRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.lib.MultipleTextOutputFormat
 
getBeginColumn() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
getBeginLine() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
getBlockIndex(BlockLocation[], long) - Method in class org.apache.hadoop.mapred.FileInputFormat
 
getBlockInputStream(Block) - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Returns an input stream to read the contents of the specified block
getBlockInputStream(Block, long) - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Returns an input stream at specified offset of the specified block
getBlockLocations(String, long, long) - Method in class org.apache.hadoop.dfs.NameNode
Get locations of the blocks of the specified file within the specified range.
getBlockMetaDataInfo(Block) - Method in class org.apache.hadoop.dfs.DataNode
getBlockReport() - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Returns the block report - the full list of blocks stored
getBlockReportAverageTime() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getBlockReportAverageTime() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Average time for Block Report Processing in last interval
getBlockReportMaxTime() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getBlockReportMaxTime() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
The Maximum Block Report Processing Time since reset was called
getBlockReportMinTime() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getBlockReportMinTime() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
The Minimum Block Report Processing Time since reset was called
getBlockReportNum() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getBlockReportNum() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Number of block Reports processed in the last interval
getBlockReportsAverageTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getBlockReportsAverageTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Average time for Block Reports Operation in last interval
getBlockReportsMaxTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getBlockReportsMaxTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
The Maximum Block Reports Operation Time since reset was called
getBlockReportsMinTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getBlockReportsMinTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
The Minimum Block Reports Operation Time since reset was called
getBlockReportsNum() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getBlockReportsNum() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of Block Reports sent in last interval
getBlocks(DatanodeInfo, long) - Method in class org.apache.hadoop.dfs.NameNode
return a list of blocks & their locations on datanode whose total size is size
getBlocks() - Method in class org.apache.hadoop.fs.s3.INode
 
getBlockSize() - Method in class org.apache.hadoop.fs.FileStatus
Get the block size of the file.
getBlockSize(Path) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Use getFileStatus() instead
getBlocksRead() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getBlocksRead() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of blocks read in the last interval
getBlocksRemoved() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getBlocksRemoved() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of blocks removed in the last interval
getBlocksReplicated() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getBlocksReplicated() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of blocks replicated in the last interval
getBlocksScheduled() - Method in class org.apache.hadoop.dfs.DatanodeDescriptor
 
getBlocksTotal() - Method in interface org.apache.hadoop.dfs.namenode.metrics.FSNamesystemMBean
Number of allocated blocks in the system
getBlocksVerified() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getBlocksVerified() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of blocks verified in the last interval
getBlocksWritten() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getBlocksWritten() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of blocks written in the last interval
getBlockVerificationFailures() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getBlockVerificationFailures() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of block verification failures in the last interval
getBoolean(String, boolean) - Method in class org.apache.hadoop.conf.Configuration
Get the value of the name property as a boolean.
getBoundAntProperty(String, String) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
getBuildVersion() - Method in class org.apache.hadoop.mapred.JobTracker
 
getBuildVersion() - Static method in class org.apache.hadoop.util.VersionInfo
Returns the buildVersion which includes version, revision, user and date.
getBytes() - Method in class org.apache.hadoop.io.Text
Returns the raw bytes; however, only data up to Text.getLength() is valid.
getBytes() - Method in class org.apache.hadoop.io.UTF8
Deprecated. The raw bytes.
getBytes(String) - Static method in class org.apache.hadoop.io.UTF8
Deprecated. Convert a string to a UTF-8 encoded byte array.
getBytesPerChecksum() - Method in class org.apache.hadoop.dfs.DataChecksum
 
getBytesPerSum() - Method in class org.apache.hadoop.fs.ChecksumFileSystem
Return the bytes Per Checksum
getBytesRead() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getBytesRead() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of bytes read in the last interval
getBytesRead() - Method in class org.apache.hadoop.fs.FileSystem.Statistics
Get the total number of bytes read
getBytesRead() - Method in interface org.apache.hadoop.io.compress.Compressor
Return number of uncompressed bytes input so far.
getBytesRead() - Method in class org.apache.hadoop.io.compress.lzo.LzoCompressor
Return number of bytes given to this compressor since last reset.
getBytesRead() - Method in class org.apache.hadoop.io.compress.zlib.ZlibCompressor
Returns the total number of uncompressed bytes input so far.
getBytesRead() - Method in class org.apache.hadoop.io.compress.zlib.ZlibDecompressor
Returns the total number of uncompressed bytes input so far.
getBytesWritten() - Method in class org.apache.hadoop.fs.FileSystem.Statistics
Get the total number of bytes written
getBytesWritten() - Method in interface org.apache.hadoop.io.compress.Compressor
Return number of compressed bytes output so far.
getBytesWritten() - Method in class org.apache.hadoop.io.compress.lzo.LzoCompressor
Return number of bytes consumed by callers of compress since last reset.
getBytesWritten() - Method in class org.apache.hadoop.io.compress.zlib.ZlibCompressor
Returns the total number of compressed bytes output so far.
getBytesWritten() - Method in class org.apache.hadoop.io.compress.zlib.ZlibDecompressor
Returns the total number of compressed bytes output so far.
getCacheArchives(Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
Get cache archives set in the Configuration
getCacheFiles(Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
Get cache files set in the Configuration
getCallQueueLen() - Method in interface org.apache.hadoop.ipc.metrics.RpcMgtMBean
The number of rpc calls in the queue.
getCallQueueLen() - Method in class org.apache.hadoop.ipc.Server
The number of rpc calls in the queue.
getCapacity() - Method in interface org.apache.hadoop.dfs.datanode.metrics.FSDatasetMBean
Returns total capacity (in bytes) of storage (used and unused)
getCapacity() - Method in class org.apache.hadoop.dfs.DatanodeInfo
The raw capacity.
getCapacity() - Method in class org.apache.hadoop.dfs.DistributedFileSystem.DiskStatus
 
getCapacity() - Method in class org.apache.hadoop.fs.DF
 
getCapacity() - Method in class org.apache.hadoop.io.BytesWritable
Get the capacity, which is the maximum size that could handled without resizing the backing storage.
getCapacity() - Method in class org.apache.hadoop.record.Buffer
Get the capacity, which is the maximum count that could handled without resizing the backing storage.
getCapacityRemaining() - Method in interface org.apache.hadoop.dfs.namenode.metrics.FSNamesystemMBean
Free (unused) storage capacity
getCapacityTotal() - Method in interface org.apache.hadoop.dfs.namenode.metrics.FSNamesystemMBean
Total storage capacity
getCapacityUsed() - Method in interface org.apache.hadoop.dfs.namenode.metrics.FSNamesystemMBean
Used storage capacity
getCategory(List<List<Pentomino.ColumnName>>) - Method in class org.apache.hadoop.examples.dancing.Pentomino
Find whether the solution has the x in the upper left quadrant, the x-midline, the y-midline or in the center.
getChannel() - Method in class org.apache.hadoop.net.SocketInputStream
Returns underlying channel used by inputstream.
getChannel() - Method in class org.apache.hadoop.net.SocketOutputStream
Returns underlying channel used by this stream.
getChannelPosition(Block, FSDatasetInterface.BlockWriteStreams) - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Returns the current offset in the data stream.
getChecksumFile(Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
Return the name of the checksum file associated with a file.
getChecksumFileLength(Path, long) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
Return the length of the checksum file given the size of the actual file.
getChecksumHeaderSize() - Static method in class org.apache.hadoop.dfs.DataChecksum
 
getChecksumLength(long, int) - Static method in class org.apache.hadoop.fs.ChecksumFileSystem
Calculated the length of the checksum file in bytes.
getChecksumSize() - Method in class org.apache.hadoop.dfs.DataChecksum
 
getChecksumType() - Method in class org.apache.hadoop.dfs.DataChecksum
 
getChunkPosition(long) - Method in class org.apache.hadoop.fs.FSInputChecker
Return position of beginning of chunk containing pos.
getClass(String, Class<?>) - Method in class org.apache.hadoop.conf.Configuration
Get the value of the name property as a Class.
getClass(String, Class<? extends U>, Class<U>) - Method in class org.apache.hadoop.conf.Configuration
Get the value of the name property as a Class implementing the interface specified by xface.
getClass(byte) - Method in class org.apache.hadoop.io.AbstractMapWritable
 
getClass(String, Configuration) - Static method in class org.apache.hadoop.io.WritableName
Return the class for a name.
getClass(T) - Static method in class org.apache.hadoop.util.GenericsUtil
Returns the Class object (of type Class<T>) of the argument of type T.
getClass(T) - Static method in class org.apache.hadoop.util.ReflectionUtils
Return the correctly-typed Class of the given object.
getClassByName(String) - Method in class org.apache.hadoop.conf.Configuration
Load a class by name.
getClassByName(String) - Static method in class org.apache.hadoop.contrib.utils.join.DataJoinJob
 
getClassLoader() - Method in class org.apache.hadoop.conf.Configuration
Get the ClassLoader for this job.
getClassName() - Method in exception org.apache.hadoop.ipc.RemoteException
 
getClientVersion() - Method in exception org.apache.hadoop.ipc.RPC.VersionMismatch
Get the client's preferred version
getClosest(WritableComparable, Writable) - Method in class org.apache.hadoop.io.MapFile.Reader
Finds the record that is the closest match to the specified key.
getClosest(WritableComparable, Writable, boolean) - Method in class org.apache.hadoop.io.MapFile.Reader
Finds the record that is the closest match to the specified key.
getClusterNick() - Method in class org.apache.hadoop.streaming.StreamJob
 
getClusterStatus() - Method in class org.apache.hadoop.mapred.JobClient
Get status information about the Map-Reduce cluster.
getClusterStatus() - Method in class org.apache.hadoop.mapred.JobTracker
 
getCodec(Path) - Method in class org.apache.hadoop.io.compress.CompressionCodecFactory
Find the relevant compression codec for the given file based on its filename suffix.
getCodecClasses(Configuration) - Static method in class org.apache.hadoop.io.compress.CompressionCodecFactory
Get the list of codecs listed in the configuration
getColumnName(int) - Method in class org.apache.hadoop.examples.dancing.DancingLinks
Get the name of a given column as a string
getCombineOnceOnly() - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. 
getCombinerClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the user-defined combiner class used to combine map-outputs before being sent to the reducers.
getCombinerOutput() - Method in class org.apache.hadoop.mapred.lib.aggregate.DoubleValueSum
 
getCombinerOutput() - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueMax
 
getCombinerOutput() - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueMin
 
getCombinerOutput() - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueSum
 
getCombinerOutput() - Method in class org.apache.hadoop.mapred.lib.aggregate.StringValueMax
 
getCombinerOutput() - Method in class org.apache.hadoop.mapred.lib.aggregate.StringValueMin
 
getCombinerOutput() - Method in class org.apache.hadoop.mapred.lib.aggregate.UniqValueCount
 
getCombinerOutput() - Method in interface org.apache.hadoop.mapred.lib.aggregate.ValueAggregator
 
getCombinerOutput() - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueHistogram
 
getCommandLine() - Method in class org.apache.hadoop.util.GenericOptionsParser
Returns the commons-cli CommandLine object to process the parsed arguments.
getCommandLineConfig() - Static method in class org.apache.hadoop.mapred.JobClient
return the command line configuration
getCommandName() - Method in class org.apache.hadoop.fs.shell.Command
Return the command's name excluding the leading character -
getCommandName() - Method in class org.apache.hadoop.fs.shell.Count
 
getComparator() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Return comparator defining the ordering for RecordReaders in this composite.
getCompressionCodec() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns the compression codec of data in this file.
getCompressionCodec() - Method in class org.apache.hadoop.io.SequenceFile.Writer
Returns the compression codec of data in this file.
getCompressionType(Configuration) - Static method in class org.apache.hadoop.io.SequenceFile
Deprecated. Use JobConf.getMapOutputCompressionType() to get SequenceFile.CompressionType for intermediate map-outputs or SequenceFileOutputFormat.getOutputCompressionType(org.apache.hadoop.mapred.JobConf) to get SequenceFile.CompressionType for job-outputs.
getCompressMapOutput() - Method in class org.apache.hadoop.mapred.JobConf
Are the outputs of the maps be compressed?
getCompressor(CompressionCodec) - Static method in class org.apache.hadoop.io.compress.CodecPool
Get a Compressor for the given CompressionCodec from the pool or a new one.
getCompressorType() - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Get the type of Compressor needed by this CompressionCodec.
getCompressorType() - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
getCompressorType() - Method in class org.apache.hadoop.io.compress.GzipCodec
 
getCompressorType() - Method in class org.apache.hadoop.io.compress.LzoCodec
 
getCompressOutput(JobConf) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
Is the job output compressed?
getCompressOutput(JobConf) - Static method in class org.apache.hadoop.mapred.OutputFormatBase
Deprecated. Is the job output compressed?
getConf() - Method in interface org.apache.hadoop.conf.Configurable
Return the configuration used by this object.
getConf() - Method in class org.apache.hadoop.conf.Configured
 
getConf() - Method in class org.apache.hadoop.dfs.Balancer
return this balancer's configuration
getConf() - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getConf() - Method in class org.apache.hadoop.io.AbstractMapWritable
 
getConf() - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
getConf() - Method in class org.apache.hadoop.io.compress.LzoCodec
 
getConf() - Method in class org.apache.hadoop.io.GenericWritable
 
getConf() - Method in class org.apache.hadoop.io.ObjectWritable
 
getConf() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Return the configuration used by this object.
getConf() - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter.FilterBase
 
getConf() - Method in class org.apache.hadoop.net.ScriptBasedMapping
 
getConf() - Method in class org.apache.hadoop.net.SocksSocketFactory
 
getConfiguration() - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Get the underlying configuration object.
getConfResourceAsInputStream(String) - Method in class org.apache.hadoop.conf.Configuration
Get an input stream attached to the configuration resource with the given name.
getConfResourceAsReader(String) - Method in class org.apache.hadoop.conf.Configuration
Get a Reader attached to the configuration resource with the given name.
getConnectAddress(Server) - Static method in class org.apache.hadoop.net.NetUtils
Returns InetSocketAddress that a client can use to connect to the server.
getContentSummary(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Return the ContentSummary of a given Path.
getContentSummary(String) - Method in class org.apache.hadoop.dfs.NameNode
Get ContentSummary rooted at the specified directory.
getContentSummary(Path) - Method in class org.apache.hadoop.fs.FileSystem
Return the ContentSummary of a given Path.
getContext(String) - Method in class org.apache.hadoop.metrics.ContextFactory
Returns the named MetricsContext instance, constructing it if necessary using the factory's current configuration attributes.
getContext(String) - Static method in class org.apache.hadoop.metrics.MetricsUtil
Utility method to return the named context.
getContext() - Method in class org.apache.hadoop.streaming.PipeMapRed
 
getContextFactory() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Returns the factory by which this context was created.
getContextName() - Method in interface org.apache.hadoop.metrics.MetricsContext
Returns the context name.
getContextName() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Returns the context name.
getCopyBlockOpAverageTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getCopyBlockOpAverageTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Average time for CopyBlock Operation in last interval
getCopyBlockOpMaxTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getCopyBlockOpMaxTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
The Maximum CopyBlock Operation Time since reset was called
getCopyBlockOpMinTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getCopyBlockOpMinTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
The Minimum CopyBlock Operation Time since reset was called
getCopyBlockOpNum() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getCopyBlockOpNum() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of CopyBlock Operation in last interval
getCorruptFiles() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Return the number of currupted files.
getCount() - Method in class org.apache.hadoop.record.Buffer
Get the current count of the buffer.
getCounter() - Method in class org.apache.hadoop.mapred.Counters.Counter
What is the current value of this counter?
getCounter(Enum) - Method in class org.apache.hadoop.mapred.Counters
Returns current value of the specified counter, or 0 if the counter does not exist.
getCounter(String) - Method in class org.apache.hadoop.mapred.Counters.Group
Returns the value of the specified counter, or 0 if the counter does not exist.
getCounter(int, String) - Method in class org.apache.hadoop.mapred.Counters.Group
Deprecated. use Counters.Group.getCounter(String) instead
getCounterForName(String) - Method in class org.apache.hadoop.mapred.Counters.Group
Get the counter for the given name and create it if it doesn't exist.
getCounters() - Method in interface org.apache.hadoop.mapred.RunningJob
Gets the counters for this job.
getCounters() - Method in class org.apache.hadoop.mapred.TaskReport
A table of counters.
getCurrentSegmentGeneration(Directory) - Static method in class org.apache.hadoop.contrib.index.lucene.LuceneUtil
Get the generation (N) of the current segments_N file in the directory.
getCurrentSegmentGeneration(String[]) - Static method in class org.apache.hadoop.contrib.index.lucene.LuceneUtil
Get the generation (N) of the current segments_N file from a list of files.
getCurrentSplit(JobConf) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
getCurrentTrashDir() - Method in class org.apache.hadoop.fs.FsShell
Returns the Trash object associated with this shell.
getCurrentUGI() - Static method in class org.apache.hadoop.security.UserGroupInformation
 
getCurrentValue(Writable) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Get the 'value' corresponding to the last read 'key'.
getCurrentValue(Object) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Get the 'value' corresponding to the last read 'key'.
getCurrentValue(V) - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
getData() - Method in class org.apache.hadoop.contrib.utils.join.TaggedMapOutput
 
getData() - Method in class org.apache.hadoop.io.DataInputBuffer
 
getData() - Method in class org.apache.hadoop.io.DataOutputBuffer
Returns the current contents of the buffer.
getData() - Method in class org.apache.hadoop.io.OutputBuffer
Returns the current contents of the buffer.
getDataNode() - Static method in class org.apache.hadoop.dfs.DataNode
Return the DataNode object
getDatanodeReport() - Method in class org.apache.hadoop.dfs.DatanodeInfo
A formatted string for reporting the status of the DataNode.
getDatanodeReport(FSConstants.DatanodeReportType) - Method in class org.apache.hadoop.dfs.NameNode
 
getDataNodeStats() - Method in class org.apache.hadoop.dfs.ChecksumDistributedFileSystem
Return statistics for each datanode.
getDataNodeStats() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Return statistics for each datanode.
getDate() - Static method in class org.apache.hadoop.util.VersionInfo
The date that Hadoop was compiled.
getDeclaredClass() - Method in class org.apache.hadoop.io.ObjectWritable
Return the class this is meant to be.
getDecompressor(CompressionCodec) - Static method in class org.apache.hadoop.io.compress.CodecPool
Get a Decompressor for the given CompressionCodec from the pool or a new one.
getDecompressorType() - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Get the type of Decompressor needed by this CompressionCodec.
getDecompressorType() - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
getDecompressorType() - Method in class org.apache.hadoop.io.compress.GzipCodec
 
getDecompressorType() - Method in class org.apache.hadoop.io.compress.LzoCodec
 
getDefault() - Static method in class org.apache.hadoop.fs.permission.FsPermission
Get the default permission.
getDefaultBlockSize() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
getDefaultBlockSize() - Method in class org.apache.hadoop.fs.FileSystem
Return the number of bytes that large input files should be optimally be split into to minimize i/o time.
getDefaultBlockSize() - Method in class org.apache.hadoop.fs.FilterFileSystem
Return the number of bytes that large input files should be optimally be split into to minimize i/o time.
getDefaultBlockSize() - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
getDefaultExtension() - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Get the default filename extension for this kind of compression.
getDefaultExtension() - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
getDefaultExtension() - Method in class org.apache.hadoop.io.compress.GzipCodec
 
getDefaultExtension() - Method in class org.apache.hadoop.io.compress.LzoCodec
Get the default filename extension for this kind of compression.
getDefaultHost(String, String) - Static method in class org.apache.hadoop.net.DNS
Returns the default (first) host name associated by the provided nameserver with the address bound to the specified network interface
getDefaultHost(String) - Static method in class org.apache.hadoop.net.DNS
Returns the default (first) host name associated by the default nameserver with the address bound to the specified network interface
getDefaultIP(String) - Static method in class org.apache.hadoop.net.DNS
Returns the first available IP address associated with the provided network interface
getDefaultMaps() - Method in class org.apache.hadoop.mapred.JobClient
Get status information about the max available Maps in the cluster.
getDefaultReduces() - Method in class org.apache.hadoop.mapred.JobClient
Get status information about the max available Reduces in the cluster.
getDefaultReplication() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
getDefaultReplication() - Method in class org.apache.hadoop.fs.FileSystem
Get the default replication.
getDefaultReplication() - Method in class org.apache.hadoop.fs.FilterFileSystem
Get the default replication.
getDefaultReplication() - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
getDefaultSocketFactory(Configuration) - Static method in class org.apache.hadoop.net.NetUtils
Get the default socket factory as specified by the configuration parameter hadoop.rpc.socket.factory.default
getDefaultUri(Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
Get the default filesystem URI from a configuration.
getDelegate() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Obtain an iterator over the child RRs apropos of the value type ultimately emitted from this join.
getDelegate() - Method in class org.apache.hadoop.mapred.join.JoinRecordReader
Return an iterator wrapping the JoinCollector.
getDelegate() - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader
Return an iterator returning a single value from the tuple.
getDependingJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getDescription() - Method in interface org.apache.hadoop.dfs.Upgradeable
Description of the upgrade object for displaying.
getDeserializer(Class<Serializable>) - Method in class org.apache.hadoop.io.serializer.JavaSerialization
 
getDeserializer(Class<T>) - Method in interface org.apache.hadoop.io.serializer.Serialization
 
getDeserializer(Class<T>) - Method in class org.apache.hadoop.io.serializer.SerializationFactory
 
getDeserializer(Class<Writable>) - Method in class org.apache.hadoop.io.serializer.WritableSerialization
 
getDfsUsed() - Method in interface org.apache.hadoop.dfs.datanode.metrics.FSDatasetMBean
Returns the total space (in bytes) used by dfs datanode
getDfsUsed() - Method in class org.apache.hadoop.dfs.DatanodeInfo
The used space by the data node.
getDfsUsed() - Method in class org.apache.hadoop.dfs.DistributedFileSystem.DiskStatus
 
getDiagnostics() - Method in class org.apache.hadoop.mapred.TaskReport
A list of error messages.
getDigest() - Method in class org.apache.hadoop.io.MD5Hash
Returns the digest bytes.
getDirectory() - Method in class org.apache.hadoop.contrib.index.mapred.IntermediateForm
Get the ram directory of the intermediate form.
getDirectory() - Method in class org.apache.hadoop.contrib.index.mapred.Shard
Get the directory where this shard resides.
getDirectoryCount() - Method in class org.apache.hadoop.fs.ContentSummary
 
getDirPath() - Method in class org.apache.hadoop.fs.DF
 
getDirPath() - Method in class org.apache.hadoop.fs.DU
 
getDiskStatus() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Return the disk usage of the filesystem, including total capacity, used space, and remaining space
getDisplayName() - Method in class org.apache.hadoop.mapred.Counters.Counter
Get the name of the counter.
getDisplayName() - Method in class org.apache.hadoop.mapred.Counters.Group
Returns localized name of the group.
getDistance(Node, Node) - Method in class org.apache.hadoop.net.NetworkTopology
Return the distance between two nodes It is assumed that the distance from one node to its parent is 1 The distance between two nodes is calculated by summing up their distances to their closest common ancestor.
getDistributionPolicyClass() - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Get the distribution policy class.
getDocument() - Method in class org.apache.hadoop.contrib.index.mapred.DocumentAndOp
Get the document.
getDocumentAnalyzerClass() - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Get the analyzer class.
getDoubleValue(Object) - Method in class org.apache.hadoop.contrib.utils.join.JobBase
 
getDU(File) - Static method in class org.apache.hadoop.fs.FileUtil
Takes an input dir and returns the du on that local directory.
getEditLogSize() - Method in class org.apache.hadoop.dfs.NameNode
Returns the size of the current edit log.
getElementTypeID() - Method in class org.apache.hadoop.record.meta.VectorTypeID
 
getEmptier() - Method in class org.apache.hadoop.fs.Trash
Return a Runnable that periodically empties the trash of all users, intended to be run by the superuser.
getEndColumn() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
getEndLine() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
getEntry(MapFile.Reader[], Partitioner<K, V>, K, V) - Static method in class org.apache.hadoop.mapred.MapFileOutputFormat
Get an entry from output generated by this class.
getError() - Static method in class org.apache.hadoop.metrics.jvm.EventCounter
 
getEventId() - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
Returns event Id.
getExceptions() - Method in exception org.apache.hadoop.io.MultipleIOException
 
getExcessiveReplicas() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Return the number of over-replicated blocks.
getExcludedHosts() - Method in class org.apache.hadoop.util.HostsFileReader
 
getExecString() - Method in class org.apache.hadoop.fs.DF
 
getExecString() - Method in class org.apache.hadoop.fs.DU
 
getExecString() - Method in class org.apache.hadoop.util.Shell
return an array containing the command name & its parameters
getExecString() - Method in class org.apache.hadoop.util.Shell.ShellCommandExecutor
 
getExecutable(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
Get the URI of the application's executable.
getExitCode() - Method in exception org.apache.hadoop.util.Shell.ExitCodeException
 
getExitCode() - Method in class org.apache.hadoop.util.Shell
get the exit code
getFactor() - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Get the number of streams to merge at once.
getFactory(Class) - Static method in class org.apache.hadoop.io.WritableFactories
Define a factory for a class.
getFactory() - Static method in class org.apache.hadoop.metrics.ContextFactory
Returns the singleton ContextFactory instance, constructing it if necessary.
getFailedJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getFatal() - Static method in class org.apache.hadoop.metrics.jvm.EventCounter
 
getFieldID() - Method in class org.apache.hadoop.record.meta.FieldTypeInfo
get the field's id (name)
getFieldTypeInfos() - Method in class org.apache.hadoop.record.meta.RecordTypeInfo
Return a collection of field type infos
getFieldTypeInfos() - Method in class org.apache.hadoop.record.meta.StructTypeID
 
getFile(String, String) - Method in class org.apache.hadoop.conf.Configuration
Get a local file name under a directory named in dirsProp with the given path.
getFileBlockLocations(FileStatus, long, long) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
getFileBlockLocations(Path, long, long) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. use FileSystem.getFileBlockLocations(FileStatus, long, long)
getFileBlockLocations(FileStatus, long, long) - Method in class org.apache.hadoop.fs.FileSystem
Return an array containing hostnames, offset and size of portions of the given file.
getFileBlockLocations(Path, long, long) - Method in class org.apache.hadoop.fs.FilterFileSystem
Return an array containing hostnames, offset and size of portions of the given file.
getFileBlockLocations(FileStatus, long, long) - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getFileBlockLocations(FileStatus, long, long) - Method in class org.apache.hadoop.fs.HarFileSystem
get block locations from the underlying fs
getFileBlockLocations(FileStatus, long, long) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
Return null if the file doesn't exist; otherwise, get the locations of the various chunks of the file file from KFS.
getFileClassPaths(Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
Get the file entries in classpath as an array of Path
getFileCount() - Method in class org.apache.hadoop.fs.ContentSummary
 
getFileInfo(String) - Method in class org.apache.hadoop.dfs.NameNode
Get the file info for a specific file.
getFileLength() - Method in class org.apache.hadoop.dfs.LocatedBlocks
 
getFileName() - Method in class org.apache.hadoop.metrics.file.FileContext
Returns the configured file name, or null.
getFiles(PathFilter) - Method in class org.apache.hadoop.fs.InMemoryFileSystem
Deprecated.  
getFileStatus(Path) - Method in class org.apache.hadoop.dfs.ChecksumDistributedFileSystem
Returns the stat information about the file.
getFileStatus(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Returns the stat information about the file.
getFileStatus(Path) - Method in class org.apache.hadoop.dfs.HftpFileSystem
 
getFileStatus(Path) - Method in class org.apache.hadoop.fs.FileSystem
Return a file status object that represents the path.
getFileStatus(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
Get file status.
getFileStatus(Path) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
getFileStatus(Path) - Method in class org.apache.hadoop.fs.HarFileSystem
return the filestatus of files in har archive.
getFileStatus(Path) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
getFileStatus(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
getFileStatus(Path) - Method in class org.apache.hadoop.fs.s3.S3FileSystem
FileStatus for S3 file systems.
getFileStatus(Path) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
 
getFilesTotal() - Method in interface org.apache.hadoop.dfs.namenode.metrics.FSNamesystemMBean
Total number of files and directories
getFilesystem() - Method in class org.apache.hadoop.fs.DF
 
getFileSystem(Configuration) - Method in class org.apache.hadoop.fs.Path
Return the FileSystem that owns this Path.
getFilesystemName() - Method in class org.apache.hadoop.mapred.JobTracker
Grab the local fs name
getFileTimestamps(Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
Get the timestamps of the files
getFileType() - Method in class org.apache.hadoop.fs.s3.INode
 
getFinishTime() - Method in class org.apache.hadoop.mapred.TaskReport
Get finish time of task.
getFlippable() - Method in class org.apache.hadoop.examples.dancing.Pentomino.Piece
 
getFloat(String, float) - Method in class org.apache.hadoop.conf.Configuration
Get the value of the name property as a float.
getFormattedTimeWithDiff(DateFormat, long, long) - Static method in class org.apache.hadoop.util.StringUtils
Formats time in ms and appends difference (finishTime - startTime) as returned by formatTimeDiff().
getFs() - Method in class org.apache.hadoop.mapred.JobClient
Get a filesystem handle.
getFSDataset() - Method in class org.apache.hadoop.dfs.DataNode
This method is used for testing.
getFSImageLoadTime() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getFSImageLoadTime() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Time spent loading the FS Image at startup
getFsImageName() - Method in class org.apache.hadoop.dfs.NameNode
Returns the name of the fsImage file
getFsImageNameCheckpoint() - Method in class org.apache.hadoop.dfs.NameNode
Returns the name of the fsImage file uploaded by periodic checkpointing
getFSSize() - Method in class org.apache.hadoop.fs.InMemoryFileSystem
Deprecated.  
getFSState() - Method in interface org.apache.hadoop.dfs.namenode.metrics.FSNamesystemMBean
The state of the file system: Safemode or Operational
getGeneration() - Method in class org.apache.hadoop.contrib.index.mapred.Shard
Get the generation of the Lucene instance.
getGET_PERMISSION_COMMAND() - Static method in class org.apache.hadoop.util.Shell
Return a Unix command to get permission information.
getGroup() - Method in class org.apache.hadoop.fs.FileStatus
Get the group associated with the file.
getGroup(String) - Method in class org.apache.hadoop.mapred.Counters
Returns the named counter group, or an empty group if there is none with the specified name.
getGroupAction() - Method in class org.apache.hadoop.fs.permission.FsPermission
Return group FsAction.
getGroupName() - Method in class org.apache.hadoop.fs.permission.PermissionStatus
Return group name
getGroupNames() - Method in class org.apache.hadoop.mapred.Counters
Returns the names of all counter classes.
getGroupNames() - Method in class org.apache.hadoop.security.UnixUserGroupInformation
Return an array of group names
getGroupNames() - Method in class org.apache.hadoop.security.UserGroupInformation
Get the name of the groups that the user belong to
getGROUPS_COMMAND() - Static method in class org.apache.hadoop.util.Shell
a Unix command to get the current user's groups list
getHadoopClientHome() - Method in class org.apache.hadoop.streaming.StreamJob
 
getHarHash(Path) - Static method in class org.apache.hadoop.fs.HarFileSystem
the hash of the path p inside iniside the filesystem
getHarVersion() - Method in class org.apache.hadoop.fs.HarFileSystem
 
getHeader() - Method in class org.apache.hadoop.dfs.DataChecksum
 
getHeader(boolean) - Static method in class org.apache.hadoop.fs.ContentSummary
Return the header of the output.
getHeartbeatsAverageTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getHeartbeatsAverageTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Average time for Heartbeat Operation in last interval
getHeartbeatsMaxTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getHeartbeatsMaxTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
The Maximum Heartbeat Operation Time since reset was called
getHeartbeatsMinTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getHeartbeatsMinTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
The Minimum Heartbeat Operation Time since reset was called
getHeartbeatsNum() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getHeartbeatsNum() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of Heartbeat Operation in last interval
getHomeDirectory() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Return the current user's home directory in this filesystem.
getHomeDirectory() - Method in class org.apache.hadoop.fs.FileSystem
Return the current user's home directory in this filesystem.
getHomeDirectory() - Method in class org.apache.hadoop.fs.FilterFileSystem
 
getHomeDirectory() - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
getHomeDirectory() - Method in class org.apache.hadoop.fs.HarFileSystem
return the top level archive path.
getHomeDirectory() - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
getHost() - Method in class org.apache.hadoop.dfs.DatanodeID
 
getHost() - Method in class org.apache.hadoop.streaming.Environment
 
getHostName() - Method in class org.apache.hadoop.dfs.DatanodeInfo
 
getHostname() - Static method in class org.apache.hadoop.util.StringUtils
Return hostname without throwing exception.
getHosts() - Method in class org.apache.hadoop.fs.BlockLocation
Get the list of hosts (hostname) hosting this block
getHosts(String, String) - Static method in class org.apache.hadoop.net.DNS
Returns all the host names associated by the provided nameserver with the address bound to the specified network interface
getHosts(String) - Static method in class org.apache.hadoop.net.DNS
Returns all the host names associated by the default nameserver with the address bound to the specified network interface
getHosts() - Method in class org.apache.hadoop.util.HostsFileReader
 
getId() - Method in class org.apache.hadoop.fs.s3.Block
 
getId(Class) - Method in class org.apache.hadoop.io.AbstractMapWritable
 
getId() - Method in class org.apache.hadoop.mapred.ID
returns the int which represents the identifier
getID() - Method in interface org.apache.hadoop.mapred.RunningJob
Get the job identifier.
GetImage() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
GetImageServlet - Class in org.apache.hadoop.dfs
This class is used in Namesystem's jetty to retrieve a file.
GetImageServlet() - Constructor for class org.apache.hadoop.dfs.GetImageServlet
 
getIndexInputFormatClass() - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Get the index input format class.
getIndexInterval() - Method in class org.apache.hadoop.io.MapFile.Writer
The number of entries that are added before an index entry is added.
getIndexMaxFieldLength() - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Get the max field length for a Lucene instance.
getIndexMaxNumSegments() - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Get the max number of segments for a Lucene instance.
getIndexShards() - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Get the string representation of a number of shards.
getIndexShards(IndexUpdateConfiguration) - Static method in class org.apache.hadoop.contrib.index.mapred.Shard
 
getIndexUpdaterClass() - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Get the index updater class.
getIndexUseCompoundFile() - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Check whether to use the compound file format for a Lucene instance.
getInfo() - Static method in class org.apache.hadoop.metrics.jvm.EventCounter
 
getInfoPort() - Method in class org.apache.hadoop.dfs.DatanodeID
 
getInfoPort() - Method in class org.apache.hadoop.mapred.JobTracker
 
getInodeLimitText() - Method in class org.apache.hadoop.dfs.JspHelper
 
getInputFileBasedOutputFileName(JobConf, String) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputFormat
Generate the outfile name based on a given anme and the input file name.
getInputFormat() - Method in class org.apache.hadoop.mapred.JobConf
Get the InputFormat implementation for the map-reduce job, defaults to TextInputFormat if not specified explicity.
getInputPathFilter(JobConf) - Static method in class org.apache.hadoop.mapred.FileInputFormat
Get a PathFilter instance of the filter set for the input paths.
getInputPaths(JobConf) - Static method in class org.apache.hadoop.mapred.FileInputFormat
Get the list of input Paths for the map-reduce job.
getInputPaths() - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. Use FileInputFormat.getInputPaths(JobConf)
getInputSplit() - Method in interface org.apache.hadoop.mapred.Reporter
Get the InputSplit object for a map.
getInputStream(Socket) - Static method in class org.apache.hadoop.net.NetUtils
Same as getInputStream(socket, socket.getSoTimeout()).

From documentation for NetUtils.getInputStream(Socket, long):
Returns InputStream for the socket.
getInputStream(Socket, long) - Static method in class org.apache.hadoop.net.NetUtils
Returns InputStream for the socket.
getInt(String, int) - Method in class org.apache.hadoop.conf.Configuration
Get the value of the name property as an int.
getInterfaceName() - Method in exception org.apache.hadoop.ipc.RPC.VersionMismatch
Get the interface name
getIOSortMB() - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Get the IO sort space in MB.
getIpcPort() - Method in class org.apache.hadoop.dfs.DatanodeID
 
getIPs(String) - Static method in class org.apache.hadoop.net.DNS
Returns all the IPs associated with the provided interface, if any, in textual form.
getIsJavaMapper(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
Check whether the job is using a Java Mapper.
getIsJavaRecordReader(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
Check whether the job is using a Java RecordReader
getIsJavaRecordWriter(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
Will the reduce use a Java RecordWriter?
getIsJavaReducer(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
Check whether the job is using a Java Reducer.
getJar() - Method in class org.apache.hadoop.mapred.JobConf
Get the user jar for the map-reduce job.
getJob(JobID) - Method in class org.apache.hadoop.mapred.JobClient
Get an RunningJob object to track an ongoing job.
getJob(String) - Method in class org.apache.hadoop.mapred.JobClient
Deprecated. Applications should rather use JobClient.getJob(JobID).
getJob(String) - Method in class org.apache.hadoop.mapred.JobTracker
Deprecated. 
getJob(JobID) - Method in class org.apache.hadoop.mapred.JobTracker
 
getJobClient() - Method in class org.apache.hadoop.mapred.TaskTracker
The connection to the JobTracker, used by the TaskRunner for locating remote files.
getJobConf() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getJobCounters(String) - Method in class org.apache.hadoop.mapred.JobTracker
Deprecated. 
getJobCounters(JobID) - Method in class org.apache.hadoop.mapred.JobTracker
 
getJobEndNotificationURI() - Method in class org.apache.hadoop.mapred.JobConf
Get the uri to be invoked in-order to send a notification after the job has completed (success/failure).
getJobFile() - Method in class org.apache.hadoop.mapred.JobProfile
Get the configuration file for the job.
getJobFile() - Method in interface org.apache.hadoop.mapred.RunningJob
Get the path of the submitted job configuration.
getJobID() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getJobID() - Method in class org.apache.hadoop.mapred.JobProfile
Get the job id.
getJobId() - Method in class org.apache.hadoop.mapred.JobProfile
Deprecated. use getJobID() instead
getJobId() - Method in class org.apache.hadoop.mapred.JobStatus
Deprecated. use getJobID instead
getJobID() - Method in class org.apache.hadoop.mapred.JobStatus
 
getJobID() - Method in interface org.apache.hadoop.mapred.RunningJob
Deprecated. This method is deprecated and will be removed. Applications should rather use RunningJob.getID().
getJobID() - Method in class org.apache.hadoop.mapred.TaskAttemptID
Returns the JobID object that this task attempt belongs to
getJobID() - Method in class org.apache.hadoop.mapred.TaskID
Returns the JobID object that this tip belongs to
getJobIDsPattern(String, Integer) - Static method in class org.apache.hadoop.mapred.JobID
Returns a regex pattern which matches task IDs.
getJobLocalDir() - Method in class org.apache.hadoop.mapred.JobConf
Get job-specific shared directory for use as scratch space
getJobName() - Method in class org.apache.hadoop.mapred.JobConf
Get the user-specified job name.
getJobName() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getJobName() - Method in class org.apache.hadoop.mapred.JobProfile
Get the user-specified job name.
getJobName() - Method in interface org.apache.hadoop.mapred.RunningJob
Get the name of the job.
getJobPriority() - Method in class org.apache.hadoop.mapred.JobConf
Get the JobPriority for this job.
getJobProfile(String) - Method in class org.apache.hadoop.mapred.JobTracker
Deprecated. 
getJobProfile(JobID) - Method in class org.apache.hadoop.mapred.JobTracker
 
getJobStatus(String) - Method in class org.apache.hadoop.mapred.JobTracker
Deprecated. 
getJobStatus(JobID) - Method in class org.apache.hadoop.mapred.JobTracker
 
getJobTrackerHostPort() - Method in class org.apache.hadoop.streaming.StreamJob
 
getJobTrackerMachine() - Method in class org.apache.hadoop.mapred.JobTracker
 
getJobTrackerState() - Method in class org.apache.hadoop.mapred.ClusterStatus
Get the current state of the JobTracker, as JobTracker.State
getJournalSyncAverageTime() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getJournalSyncAverageTime() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Average time for Journal Sync in last interval
getJournalSyncMaxTime() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getJournalSyncMaxTime() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
The Maximum Journal Sync Time since reset was called
getJournalSyncMinTime() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getJournalSyncMinTime() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
The Minimum Journal Sync Time since reset was called
getJournalSyncNum() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getJournalSyncNum() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Number of Journal Syncs in the last interval
getJournalTransactionAverageTime() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getJournalTransactionAverageTime() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Average time for Journal transactions in last interval
getJournalTransactionMaxTime() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getJournalTransactionMaxTime() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
The Maximum Journal Transaction Time since reset was called
getJournalTransactionMinTime() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getJournalTransactionMinTime() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
The Minimum Journal Transaction Time since reset was called
getJournalTransactionNum() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getJournalTransactionNum() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Number of Journal Transactions in the last interval
getJtIdentifier() - Method in class org.apache.hadoop.mapred.JobID
 
getKeepCommandFile(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
Does the user want to keep the command file for debugging? If this is true, pipes will write a copy of the command data to a file in the task directory named "downlink.data", which may be used to run the C++ program under the debugger.
getKeepFailedTaskFiles() - Method in class org.apache.hadoop.mapred.JobConf
Should the temporary files for failed tasks be kept?
getKeepTaskFilesPattern() - Method in class org.apache.hadoop.mapred.JobConf
Get the regular expression that is matched against the task names to see if we need to keep the files.
getKey() - Method in interface org.apache.hadoop.io.SequenceFile.Sorter.RawKeyValueIterator
Gets the current raw key
getKey() - Method in class org.apache.hadoop.io.SequenceFile.Sorter.SegmentDescriptor
Returns the stored rawKey
getKeyClass() - Method in class org.apache.hadoop.io.MapFile.Reader
Returns the class of keys in this file.
getKeyClass() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns the class of keys in this file.
getKeyClass() - Method in class org.apache.hadoop.io.SequenceFile.Writer
Returns the class of keys in this file.
getKeyClass() - Method in class org.apache.hadoop.io.WritableComparator
Returns the WritableComparable implementation class.
getKeyClass() - Method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
getKeyClass() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
The class of key that must be passed to SequenceFileRecordReader.next(Object, Object)..
getKeyClassName() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns the name of the key class.
getKeyClassName() - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader
Retrieve the name of the key class for this SequenceFile.
getKeyTypeID() - Method in class org.apache.hadoop.record.meta.MapTypeID
get the TypeID of the map's key element
getLastUpdate() - Method in class org.apache.hadoop.dfs.DatanodeInfo
The time when this information was accurate.
getLen() - Method in class org.apache.hadoop.fs.FileStatus
 
getLength(Block) - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Returns the specified block's on-disk length (excluding metadata)
getLength() - Method in class org.apache.hadoop.dfs.FSDatasetInterface.MetaDataInputStream
 
getLength() - Method in class org.apache.hadoop.fs.BlockLocation
Get the length of the block
getLength() - Method in class org.apache.hadoop.fs.ContentSummary
 
getLength(Path) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Use getFileStatus() instead
getLength(Path) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
Deprecated. 
getLength() - Method in class org.apache.hadoop.fs.s3.Block
 
getLength() - Method in class org.apache.hadoop.io.DataInputBuffer
Returns the length of the input.
getLength() - Method in class org.apache.hadoop.io.DataOutputBuffer
Returns the length of the valid data currently in the buffer.
getLength() - Method in class org.apache.hadoop.io.InputBuffer
Returns the length of the input.
getLength() - Method in class org.apache.hadoop.io.OutputBuffer
Returns the length of the valid data currently in the buffer.
getLength() - Method in class org.apache.hadoop.io.SequenceFile.Writer
Returns the current length of the output file.
getLength() - Method in class org.apache.hadoop.io.Text
Returns the number of bytes in the byte array
getLength() - Method in class org.apache.hadoop.io.UTF8
Deprecated. The number of bytes in the encoded string.
getLength() - Method in class org.apache.hadoop.mapred.FileSplit
The number of bytes in the file to process.
getLength() - Method in interface org.apache.hadoop.mapred.InputSplit
Get the total number of bytes in the data of the InputSplit.
getLength() - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
Return the aggregate length of all child InputSplits currently added.
getLength(int) - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
Get the length of ith child InputSplit.
getLength() - Method in class org.apache.hadoop.mapred.MultiFileSplit
 
getLength(int) - Method in class org.apache.hadoop.mapred.MultiFileSplit
Returns the length of the ith Path
getLengths() - Method in class org.apache.hadoop.mapred.MultiFileSplit
Returns an array containing the lengths of the files in the split
getLevel() - Method in class org.apache.hadoop.dfs.DatanodeInfo
Return this node's level in the tree.
getLevel() - Method in interface org.apache.hadoop.net.Node
Return this node's level in the tree.
getLevel() - Method in class org.apache.hadoop.net.NodeBase
Return this node's level in the tree.
getLinkCount(File) - Static method in class org.apache.hadoop.fs.FileUtil.HardLink
Retrieves the number of links to the specified file.
getListenerAddress() - Method in class org.apache.hadoop.ipc.Server
Return the socket (ip+port) on which the RPC server is listening to.
getListing(String) - Method in class org.apache.hadoop.dfs.NameNode
 
getLoadNativeLibraries(JobConf) - Method in class org.apache.hadoop.util.NativeCodeLoader
Return if native hadoop libraries, if present, can be used for this job.
getLocal(Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
Get the local file syste
getLocalAnalysisClass() - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Get the local analysis class.
getLocalCache(URI, Configuration, Path, FileStatus, boolean, long, Path) - Static method in class org.apache.hadoop.filecache.DistributedCache
Get the locally cached file or archive; it could either be previously cached (and valid) or copy it from the FileSystem now.
getLocalCache(URI, Configuration, Path, boolean, long, Path) - Static method in class org.apache.hadoop.filecache.DistributedCache
Get the locally cached file or archive; it could either be previously cached (and valid) or copy it from the FileSystem now.
getLocalCacheArchives(Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
Return the path array of the localized caches
getLocalCacheFiles(Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
Return the path array of the localized files
getLocalDirs() - Method in class org.apache.hadoop.mapred.JobConf
 
getLocalJobFilePath(String) - Static method in class org.apache.hadoop.mapred.JobHistory.JobInfo
Deprecated. 
getLocalJobFilePath(JobID) - Static method in class org.apache.hadoop.mapred.JobHistory.JobInfo
Get the path of the locally stored job file
getLocalJobFilePath(String) - Method in class org.apache.hadoop.mapred.JobTracker
Deprecated. 
getLocalJobFilePath(JobID) - Static method in class org.apache.hadoop.mapred.JobTracker
Get the localized job file path on the job trackers local file system
getLocalPath(String, String) - Method in class org.apache.hadoop.conf.Configuration
Get a local file under a directory named by dirsProp with the given path.
getLocalPath(String) - Method in class org.apache.hadoop.mapred.JobConf
Constructs a local file name.
getLocalPathForWrite(String, Configuration) - Method in class org.apache.hadoop.fs.LocalDirAllocator
Get a path from the local FS.
getLocalPathForWrite(String, long, Configuration) - Method in class org.apache.hadoop.fs.LocalDirAllocator
Get a path from the local FS.
getLocalPathToRead(String, Configuration) - Method in class org.apache.hadoop.fs.LocalDirAllocator
Get a path from the local FS for reading.
getLocatedBlocks() - Method in class org.apache.hadoop.dfs.LocatedBlocks
Get located blocks.
getLocation(int) - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
getLocations from ith InputSplit.
getLocations() - Method in class org.apache.hadoop.mapred.FileSplit
 
getLocations() - Method in interface org.apache.hadoop.mapred.InputSplit
Get the list of hostnames where the input split is located.
getLocations() - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
Collect a set of hosts from all child InputSplits.
getLocations() - Method in class org.apache.hadoop.mapred.MultiFileSplit
 
getLong(String, long) - Method in class org.apache.hadoop.conf.Configuration
Get the value of the name property as a long.
getLongValue(Object) - Method in class org.apache.hadoop.contrib.utils.join.JobBase
 
getMapCompletionEvents(String, int, int) - Method in class org.apache.hadoop.mapred.TaskTracker
Deprecated. 
getMapCompletionEvents(JobID, int, int) - Method in class org.apache.hadoop.mapred.TaskTracker
 
getMapDebugScript() - Method in class org.apache.hadoop.mapred.JobConf
Get the map task's debug script.
getMapOutputCompressionType() - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. SequenceFile.CompressionType is no longer valid for intermediate map-outputs.
getMapOutputCompressorClass(Class<? extends CompressionCodec>) - Method in class org.apache.hadoop.mapred.JobConf
Get the CompressionCodec for compressing the map outputs.
getMapOutputKeyClass() - Static method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateMapper
Get the map output key class.
getMapOutputKeyClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the key class for the map output data.
getMapOutputValueClass() - Static method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateMapper
Get the map output value class.
getMapOutputValueClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the value class for the map output data.
getMapperClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the Mapper class for the job.
getMapredJobID() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Deprecated. use Job.getAssignedJobID() instead
getMapredTempDir() - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Get the Map/Reduce temp directory.
getMapRunnerClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the MapRunnable class for the job.
getMapSpeculativeExecution() - Method in class org.apache.hadoop.mapred.JobConf
Should speculative execution be used for this job for map tasks? Defaults to true.
getMapTaskReports(JobID) - Method in class org.apache.hadoop.mapred.JobClient
Get the information of the current state of the map tasks of a job.
getMapTaskReports(String) - Method in class org.apache.hadoop.mapred.JobClient
Deprecated. Applications should rather use JobClient.getMapTaskReports(JobID)
getMapTaskReports(String) - Method in class org.apache.hadoop.mapred.JobTracker
Deprecated. 
getMapTaskReports(JobID) - Method in class org.apache.hadoop.mapred.JobTracker
 
getMapTasks() - Method in class org.apache.hadoop.mapred.ClusterStatus
Get the number of currently running map tasks in the cluster.
getMaxDepth(int) - Static method in class org.apache.hadoop.util.QuickSort
Deepest recursion before giving up and doing a heapsort.
getMaxMapAttempts() - Method in class org.apache.hadoop.mapred.JobConf
Get the configured number of maximum attempts that will be made to run a map task, as specified by the mapred.map.max.attempts property.
getMaxMapTaskFailuresPercent() - Method in class org.apache.hadoop.mapred.JobConf
Get the maximum percentage of map tasks that can fail without the job being aborted.
getMaxMapTasks() - Method in class org.apache.hadoop.mapred.ClusterStatus
Get the maximum capacity for running map tasks in the cluster.
getMaxReduceAttempts() - Method in class org.apache.hadoop.mapred.JobConf
Get the configured number of maximum attempts that will be made to run a reduce task, as specified by the mapred.reduce.max.attempts property.
getMaxReduceTaskFailuresPercent() - Method in class org.apache.hadoop.mapred.JobConf
Get the maximum percentage of reduce tasks that can fail without the job being aborted.
getMaxReduceTasks() - Method in class org.apache.hadoop.mapred.ClusterStatus
Get the maximum capacity for running reduce tasks in the cluster.
getMaxTaskFailuresPerTracker() - Method in class org.apache.hadoop.mapred.JobConf
Expert: Get the maximum no.
getMaxTime() - Method in class org.apache.hadoop.metrics.util.MetricsTimeVaryingRate
The max time for a single operation since the last reset MetricsTimeVaryingRate.resetMinMax()
getMemory() - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Get the total amount of buffer memory, in bytes.
getMessage() - Method in exception org.apache.hadoop.dfs.QuotaExceededException
 
getMessage() - Method in exception org.apache.hadoop.mapred.InvalidInputException
Get a summary message of the problems found.
getMessage() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getMessage() - Method in exception org.apache.hadoop.record.compiler.generated.ParseException
This method has the standard behavior when this object has been created using the standard constructors.
getMessage() - Method in error org.apache.hadoop.record.compiler.generated.TokenMgrError
You can also modify the body of this method to customize your error messages.
getMetadata() - Method in class org.apache.hadoop.io.SequenceFile.Metadata
 
getMetadata() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns the metadata object of the file
getMetaDataInputStream(Block) - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Returns metaData of block b as an input stream (and its length)
getMetaDataLength(Block) - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Returns the length of the metadata file of the specified block
getMetric(String) - Method in class org.apache.hadoop.metrics.spi.OutputRecord
Returns the metric object which can be a Float, Integer, Short or Byte.
getMetricNames() - Method in class org.apache.hadoop.metrics.spi.OutputRecord
Returns the set of metric names.
getMinTime() - Method in class org.apache.hadoop.metrics.util.MetricsTimeVaryingRate
The min time for a single operation since the last reset MetricsTimeVaryingRate.resetMinMax()
getMissingIds() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Return a list of missing block names (as list of Strings).
getMissingReplicas() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Return the number of under-replicated blocks.
getMissingSize() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Return total size of missing data, in bytes.
getModificationTime() - Method in class org.apache.hadoop.fs.FileStatus
Get the modification time of the file.
getMount() - Method in class org.apache.hadoop.fs.DF
 
getName() - Method in class org.apache.hadoop.dfs.DatanodeID
 
getName() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Deprecated.  
getName() - Method in class org.apache.hadoop.examples.dancing.Pentomino.Piece
 
getName() - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. call #getUri() instead.
getName() - Method in class org.apache.hadoop.fs.FilterFileSystem
Deprecated. call #getUri() instead.
getName() - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
Deprecated. 
getName() - Method in class org.apache.hadoop.fs.Path
Returns the final component of this path.
getName() - Method in class org.apache.hadoop.fs.RawLocalFileSystem
Deprecated.  
getName() - Method in class org.apache.hadoop.fs.s3.S3FileSystem
 
getName(Class) - Static method in class org.apache.hadoop.io.WritableName
Return the name for a class.
getName() - Method in class org.apache.hadoop.mapred.Counters.Counter
Get the internal name of the counter.
getName() - Method in class org.apache.hadoop.mapred.Counters.Group
Returns raw name of the group.
getName() - Method in interface org.apache.hadoop.net.Node
Return this node's name
getName() - Method in class org.apache.hadoop.net.NodeBase
Return this node's name
getName() - Method in class org.apache.hadoop.record.meta.RecordTypeInfo
return the name of the record
getNamed(String, Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
Deprecated. call #get(URI,Configuration) instead.
getNamenode() - Method in class org.apache.hadoop.dfs.DataNode
Return the namenode's identifier
getNameNodeAddr() - Method in class org.apache.hadoop.dfs.DataNode
 
getNameNodeAddress() - Method in class org.apache.hadoop.dfs.NameNode
Returns the address on which the NameNodes is listening to.
getNameNodeMetrics() - Static method in class org.apache.hadoop.dfs.NameNode
 
getNames() - Method in class org.apache.hadoop.fs.BlockLocation
Get the list of names (hostname:port) hosting this block
getNestedStructTypeInfo(String) - Method in class org.apache.hadoop.record.meta.RecordTypeInfo
Return the type info of a nested record.
getNetworkLocation() - Method in class org.apache.hadoop.dfs.DatanodeInfo
rack name
getNetworkLocation() - Method in interface org.apache.hadoop.net.Node
Return the string representation of this node's network location
getNetworkLocation() - Method in class org.apache.hadoop.net.NodeBase
Return this node's network location
getNewJobId() - Method in class org.apache.hadoop.mapred.JobTracker
Allocates a new JobId string.
getNextToken() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
getNextToken() - Method in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
getNode(String) - Method in class org.apache.hadoop.mapred.JobTracker
Return the Node in the network topology that corresponds to the hostname
getNode() - Method in class org.apache.hadoop.mapred.join.Parser.NodeToken
 
getNode() - Method in class org.apache.hadoop.mapred.join.Parser.Token
 
getNode(String) - Method in class org.apache.hadoop.net.NetworkTopology
Given a string representation of a node, return its reference
getNodesAtMaxLevel() - Method in class org.apache.hadoop.mapred.JobTracker
Returns a collection of nodes at the max level
getNullContext(String) - Static method in class org.apache.hadoop.metrics.ContextFactory
Returns a "null" context - one which does nothing.
getNum() - Method in class org.apache.hadoop.mapred.join.Parser.NumToken
 
getNum() - Method in class org.apache.hadoop.mapred.join.Parser.Token
 
getNumAddBlockOps() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getNumAddBlockOps() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Number of add block operations in the last interval
getNumber() - Method in class org.apache.hadoop.metrics.spi.MetricValue
 
getNumberColumns() - Method in class org.apache.hadoop.examples.dancing.DancingLinks
Get the number of columns.
getNumBytesInSum() - Method in class org.apache.hadoop.dfs.DataChecksum
 
getNumCreateFileOps() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getNumCreateFileOps() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Number of file creation operations in the last interval
getNumDeleteFileOps() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getNumDeleteFileOps() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Number of file deletion operations in the last interval
getNumFiles(PathFilter) - Method in class org.apache.hadoop.fs.InMemoryFileSystem
Deprecated.  
getNumFilesCreated() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getNumFilesCreated() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Number of files created in the last interval
getNumFilesListed() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
Deprecated. call getNumGetListingOps() instead
getNumFilesListed() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Deprecated. Use getNumGetListingOps() instead
getNumFilesRenamed() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getNumFilesRenamed() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Number of files renamed in the last interval
getNumGetBlockLocations() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getNumGetBlockLocations() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Number of NameNode.getBlockLocations(String,long,long)
getNumGetListingOps() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getNumGetListingOps() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Number of files listed in the last interval
getNumMapTasks() - Method in class org.apache.hadoop.mapred.JobConf
Get configured the number of reduce tasks for this job.
getNumOfLeaves() - Method in class org.apache.hadoop.net.NetworkTopology
Return the total number of nodes
getNumOfRacks() - Method in class org.apache.hadoop.net.NetworkTopology
Return the total number of racks
getNumOpenConnections() - Method in interface org.apache.hadoop.ipc.metrics.RpcMgtMBean
The number of open RPC conections
getNumOpenConnections() - Method in class org.apache.hadoop.ipc.Server
The number of open RPC conections
getNumPaths() - Method in class org.apache.hadoop.mapred.MultiFileSplit
Returns the number of Paths in the split
getNumReduceTasks() - Method in class org.apache.hadoop.mapred.JobConf
Get configured the number of reduce tasks for this job.
getNumResolvedTaskTrackers() - Method in class org.apache.hadoop.mapred.JobTracker
 
getNumTaskCacheLevels() - Method in class org.apache.hadoop.mapred.JobTracker
 
getOffset() - Method in class org.apache.hadoop.fs.BlockLocation
Get the start offset of file associated with this block
getOp() - Method in class org.apache.hadoop.contrib.index.example.LineDocTextAndOp
Get the type of the operation.
getOp() - Method in class org.apache.hadoop.contrib.index.mapred.DocumentAndOp
Get the type of operation.
getOpt(String) - Method in class org.apache.hadoop.fs.shell.CommandFormat
Return if the option is set or not
getOtherAction() - Method in class org.apache.hadoop.fs.permission.FsPermission
Return other FsAction.
getOutput() - Method in class org.apache.hadoop.util.Shell.ShellCommandExecutor
Get the output of the shell command.
getOutputCompressionType(JobConf) - Static method in class org.apache.hadoop.mapred.SequenceFileOutputFormat
Get the SequenceFile.CompressionType for the output SequenceFile.
getOutputCompressorClass(JobConf, Class<? extends CompressionCodec>) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
Get the CompressionCodec for compressing the job outputs.
getOutputCompressorClass(JobConf, Class<? extends CompressionCodec>) - Static method in class org.apache.hadoop.mapred.OutputFormatBase
Deprecated. Get the CompressionCodec for compressing the job outputs.
getOutputFormat() - Method in class org.apache.hadoop.mapred.JobConf
Get the OutputFormat implementation for the map-reduce job, defaults to TextOutputFormat if not specified explicity.
getOutputKeyClass() - Static method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateReducer
Get the reduce output key class.
getOutputKeyClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the key class for the job output data.
getOutputKeyComparator() - Method in class org.apache.hadoop.mapred.JobConf
Get the RawComparator comparator used to compare keys.
getOutputPath(JobConf) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
Get the Path to the output directory for the map-reduce job.
getOutputPath() - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. Use FileOutputFormat.getOutputPath(JobConf) or FileOutputFormat.getWorkOutputPath(JobConf) Get the Path to the output directory for the map-reduce job.
getOutputStream(Socket) - Static method in class org.apache.hadoop.net.NetUtils
Same as getOutputStream(socket, 0).
getOutputStream(Socket, long) - Static method in class org.apache.hadoop.net.NetUtils
Returns OutputStream for the socket.
getOutputValueClass() - Static method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateReducer
Get the reduce output value class.
getOutputValueClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the value class for job outputs.
getOutputValueGroupingComparator() - Method in class org.apache.hadoop.mapred.JobConf
Get the user defined WritableComparable comparator for grouping keys of inputs to the reduce.
getOwner() - Method in class org.apache.hadoop.fs.FileStatus
Get the owner of the file.
getParameter(ServletRequest, String) - Static method in class org.apache.hadoop.util.ServletUtil
Get a parameter from a ServletRequest.
getParent() - Method in class org.apache.hadoop.dfs.DatanodeInfo
Return this node's parent
getParent() - Method in class org.apache.hadoop.fs.Path
Returns the parent of a path or null if at root.
getParent() - Method in interface org.apache.hadoop.net.Node
Return this node's parent
getParent() - Method in class org.apache.hadoop.net.NodeBase
Return this node's parent
getParentNode(Node, int) - Static method in class org.apache.hadoop.mapred.JobTracker
 
getPartition(Shard, IntermediateForm, int) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdatePartitioner
 
getPartition(IntWritable, IntWritable, int) - Method in class org.apache.hadoop.examples.SleepJob
 
getPartition(K2, V2, int) - Method in class org.apache.hadoop.mapred.lib.HashPartitioner
Use Object.hashCode() to partition.
getPartition(K2, V2, int) - Method in class org.apache.hadoop.mapred.lib.KeyFieldBasedPartitioner
Use Object.hashCode() to partition.
getPartition(K2, V2, int) - Method in interface org.apache.hadoop.mapred.Partitioner
Get the paritition number for a given key (hence record) given the total number of partitions i.e.
getPartitionerClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the Partitioner used to partition Mapper-outputs to be sent to the Reducers.
getPath() - Method in class org.apache.hadoop.fs.FileStatus
 
getPath() - Method in class org.apache.hadoop.mapred.FileSplit
The file containing this split's data.
getPath(int) - Method in class org.apache.hadoop.mapred.MultiFileSplit
Returns the ith Path
getPath(Node) - Static method in class org.apache.hadoop.net.NodeBase
Return this node's path
getPaths() - Method in class org.apache.hadoop.mapred.MultiFileSplit
Returns all the Paths in the split
getPendingReplicationBlocks() - Method in interface org.apache.hadoop.dfs.namenode.metrics.FSNamesystemMBean
Blocks pending to be replicated
getPercentUsed() - Method in class org.apache.hadoop.fs.DF
 
getPercentUsed() - Method in class org.apache.hadoop.fs.InMemoryFileSystem
Deprecated.  
getPeriod() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Returns the timer period.
getPermission() - Method in class org.apache.hadoop.fs.FileStatus
Get FsPermission associated with the file.
getPermission() - Method in class org.apache.hadoop.fs.permission.PermissionStatus
Return permission
getPlatformName() - Static method in class org.apache.hadoop.util.PlatformName
Get the complete platform as per the java-vm.
getPort() - Method in class org.apache.hadoop.dfs.DatanodeID
 
getPort() - Method in class org.apache.hadoop.mapred.StatusHttpServer
Get the port that the server is on
getPos() - Method in class org.apache.hadoop.contrib.index.example.LineDocRecordReader
 
getPos() - Method in class org.apache.hadoop.examples.MultiFileWordCount.MultiFileLineRecordReader
 
getPos() - Method in class org.apache.hadoop.fs.BufferedFSInputStream
 
getPos() - Method in exception org.apache.hadoop.fs.ChecksumException
 
getPos() - Method in class org.apache.hadoop.fs.FSDataInputStream
 
getPos() - Method in class org.apache.hadoop.fs.FSDataOutputStream
 
getPos() - Method in class org.apache.hadoop.fs.FSInputChecker
 
getPos() - Method in class org.apache.hadoop.fs.FSInputStream
Return the current offset from the start of the file
getPos() - Method in class org.apache.hadoop.fs.ftp.FTPInputStream
 
getPos() - Method in interface org.apache.hadoop.fs.Seekable
Return the current offset from the start of the file
getPos() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Unsupported (returns zero in all cases).
getPos() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
Request position from proxied RR.
getPos() - Method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
getPos() - Method in class org.apache.hadoop.mapred.LineRecordReader
 
getPos() - Method in interface org.apache.hadoop.mapred.RecordReader
Returns the current position in the input.
getPos() - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader
 
getPos() - Method in class org.apache.hadoop.mapred.SequenceFileAsTextRecordReader
 
getPos() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
getPos() - Method in class org.apache.hadoop.streaming.StreamBaseRecordReader
Returns the current position in the input.
getPosition() - Method in class org.apache.hadoop.io.DataInputBuffer
Returns the current position in the input.
getPosition() - Method in class org.apache.hadoop.io.InputBuffer
Returns the current position in the input.
getPosition() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Return the current byte position in the input file.
getPreferredBlockSize(String) - Method in class org.apache.hadoop.dfs.NameNode
 
getPreviousIntervalAverageTime() - Method in class org.apache.hadoop.metrics.util.MetricsTimeVaryingRate
The average rate of an operation in the previous interval
getPreviousIntervalNumOps() - Method in class org.apache.hadoop.metrics.util.MetricsTimeVaryingRate
The number of operations in the previous interval
getPreviousIntervalValue() - Method in class org.apache.hadoop.metrics.util.MetricsTimeVaryingInt
The Value at the Previous interval
getProblems() - Method in exception org.apache.hadoop.mapred.InvalidInputException
Get the complete list of the problems reported.
getProcess() - Method in class org.apache.hadoop.util.Shell
get the current sub-process executing the given command
getProfileEnabled() - Method in class org.apache.hadoop.mapred.JobConf
Get whether the task profiling is enabled.
getProfileParams() - Method in class org.apache.hadoop.mapred.JobConf
Get the profiler configuration arguments.
getProfileTaskRange(boolean) - Method in class org.apache.hadoop.mapred.JobConf
Get the range of maps or reduces to profile.
getProgress() - Method in class org.apache.hadoop.contrib.index.example.LineDocRecordReader
 
getProgress() - Method in class org.apache.hadoop.examples.MultiFileWordCount.MultiFileLineRecordReader
 
getProgress() - Method in interface org.apache.hadoop.io.SequenceFile.Sorter.RawKeyValueIterator
Gets the Progress object; this has a float (0.0 - 1.0) indicating the bytes processed by the iterator so far
getProgress() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Report progress as the minimum of all child RR progress.
getProgress() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
Request progress from proxied RR.
getProgress() - Method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
getProgress() - Method in class org.apache.hadoop.mapred.LineRecordReader
Get the progress within the split
getProgress() - Method in interface org.apache.hadoop.mapred.RecordReader
How much of the input has the RecordReader consumed i.e.
getProgress() - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader
Return the progress within the input split
getProgress() - Method in class org.apache.hadoop.mapred.SequenceFileAsTextRecordReader
 
getProgress() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
Return the progress within the input split
getProgress() - Method in class org.apache.hadoop.mapred.TaskReport
The amount completed, between zero and one.
getProgress() - Method in class org.apache.hadoop.streaming.StreamBaseRecordReader
 
getProtocolVersion(String, long) - Method in class org.apache.hadoop.dfs.DataNode
Return protocol version corresponding to protocol interface.
getProtocolVersion(String, long) - Method in class org.apache.hadoop.dfs.NameNode
 
getProtocolVersion(String, long) - Method in interface org.apache.hadoop.ipc.VersionedProtocol
Return protocol version corresponding to protocol interface.
getProtocolVersion(String, long) - Method in class org.apache.hadoop.mapred.JobTracker
 
getProtocolVersion(String, long) - Method in class org.apache.hadoop.mapred.TaskTracker
 
getProxy(Class<?>, long, InetSocketAddress, Configuration, SocketFactory) - Static method in class org.apache.hadoop.ipc.RPC
Construct a client-side proxy object that implements the named protocol, talking to a server at the named address.
getProxy(Class<?>, long, InetSocketAddress, UserGroupInformation, Configuration, SocketFactory) - Static method in class org.apache.hadoop.ipc.RPC
Construct a client-side proxy object that implements the named protocol, talking to a server at the named address.
getProxy(Class<?>, long, InetSocketAddress, Configuration) - Static method in class org.apache.hadoop.ipc.RPC
Construct a client-side proxy object with the default SocketFactory
getQuota() - Method in class org.apache.hadoop.fs.ContentSummary
Return the directory quota
getRange(String, String) - Method in class org.apache.hadoop.conf.Configuration
Parse the given attribute as a set of integer ranges
getRaw(String) - Method in class org.apache.hadoop.conf.Configuration
Get the value of the name property, without doing variable expansion.
getRawCapacity() - Method in class org.apache.hadoop.dfs.ChecksumDistributedFileSystem
Return the total raw capacity of the filesystem, disregarding replication .
getRawCapacity() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Return the total raw capacity of the filesystem, disregarding replication .
getRawFileSystem() - Method in class org.apache.hadoop.fs.ChecksumFileSystem
get the raw file system
getRawUsed() - Method in class org.apache.hadoop.dfs.ChecksumDistributedFileSystem
Return the total raw used space in the filesystem, disregarding replication .
getRawUsed() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Return the total raw used space in the filesystem, disregarding replication .
getReadBlockOpAverageTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getReadBlockOpAverageTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Average time for ReadBlock Operation in last interval
getReadBlockOpMaxTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getReadBlockOpMaxTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
The Maximum ReadBlock Operation Time since reset was called
getReadBlockOpMinTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getReadBlockOpMinTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
The Minimum ReadBlock Operation Time since reset was called
getReadBlockOpNum() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getReadBlockOpNum() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of ReadBlock Operation in last interval
getReaders(FileSystem, Path, Configuration) - Static method in class org.apache.hadoop.mapred.MapFileOutputFormat
Open the output generated by this format.
getReaders(Configuration, Path) - Static method in class org.apache.hadoop.mapred.SequenceFileOutputFormat
Open the output generated by this format.
getReadMetadataOpAverageTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getReadMetadataOpAverageTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Average time for ReadMetadata Operation in last interval
getReadMetadataOpMaxTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getReadMetadataOpMaxTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
The Maximum ReadMetadata Operation Time since reset was called
getReadMetadataOpMinTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getReadMetadataOpMinTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
The Minimum ReadMetadata Operation Time since reset was called
getReadMetadataOpNum() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getReadMetadataOpNum() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of ReadMetadata Operation in last interval
getReadsFromLocalClient() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getReadsFromLocalClient() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of reads from local clients in the last interval
getReadsFromRemoteClient() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getReadsFromRemoteClient() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of reads from remote clients in the last interval
getReadyJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getRecordName() - Method in interface org.apache.hadoop.metrics.MetricsRecord
Returns the record name.
getRecordName() - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Returns the record name.
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.contrib.index.example.LineDocInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.examples.MultiFileWordCount.MyInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.FileInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in interface org.apache.hadoop.mapred.InputFormat
Get the RecordReader for the given InputSplit.
getRecordReader(InputSplit, JobConf, Reporter) - Method in interface org.apache.hadoop.mapred.join.ComposableInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.join.CompositeInputFormat
Construct a CompositeRecordReader for the children of this InputFormat as defined in the init expression.
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.KeyValueTextInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.lib.NLineInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.MultiFileInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.SequenceFileAsTextInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter
Create a record reader for the given split
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.SequenceFileInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.TextInputFormat
 
getRecordReader(InputSplit, JobConf, Reporter) - Method in class org.apache.hadoop.streaming.StreamInputFormat
 
getRecordReaderQueue() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Return sorted list of RecordReaders for this composite.
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateOutputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.FileOutputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.lib.MultipleOutputFormat
Create a composite record writer that can write key/value data to different output files
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.lib.NullOutputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.MapFileOutputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in interface org.apache.hadoop.mapred.OutputFormat
Get the RecordWriter for the given job.
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.OutputFormatBase
Deprecated.  
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.SequenceFileOutputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.TextOutputFormat
 
getReduceDebugScript() - Method in class org.apache.hadoop.mapred.JobConf
Get the reduce task's debug Script
getReducerClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the Reducer class for the job.
getReduceSpeculativeExecution() - Method in class org.apache.hadoop.mapred.JobConf
Should speculative execution be used for this job for reduce tasks? Defaults to true.
getReduceTaskReports(JobID) - Method in class org.apache.hadoop.mapred.JobClient
Get the information of the current state of the reduce tasks of a job.
getReduceTaskReports(String) - Method in class org.apache.hadoop.mapred.JobClient
Deprecated. Applications should rather use JobClient.getReduceTaskReports(JobID)
getReduceTaskReports(String) - Method in class org.apache.hadoop.mapred.JobTracker
Deprecated. 
getReduceTaskReports(JobID) - Method in class org.apache.hadoop.mapred.JobTracker
 
getReduceTasks() - Method in class org.apache.hadoop.mapred.ClusterStatus
Get the number of currently running reduce tasks in the cluster.
getRemaining() - Method in interface org.apache.hadoop.dfs.datanode.metrics.FSDatasetMBean
Returns the amount of free storage space (in bytes)
getRemaining() - Method in class org.apache.hadoop.dfs.DatanodeInfo
The raw free space.
getRemaining() - Method in class org.apache.hadoop.dfs.DistributedFileSystem.DiskStatus
 
getRemainingArgs() - Method in class org.apache.hadoop.util.GenericOptionsParser
Returns an array of Strings containing only application-specific arguments.
getRemoteAddress() - Static method in class org.apache.hadoop.ipc.Server
Returns remote address as a string when invoked inside an RPC.
getRemoteIp() - Static method in class org.apache.hadoop.ipc.Server
Returns the remote side ip address when invoked inside an RPC Returns null incase of an error.
getReplaceBlockOpAverageTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getReplaceBlockOpAverageTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Average time for ReplaceBlock Operation in last interval
getReplaceBlockOpMaxTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getReplaceBlockOpMaxTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
The Maximum ReplaceBlock Operation Time since reset was called
getReplaceBlockOpMinTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getReplaceBlockOpMinTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
The Minimum ReplaceBlock Operation Time since reset was called
getReplaceBlockOpNum() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getReplaceBlockOpNum() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of ReplaceBlock Operation in last interval
getReplication() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Return the intended replication factor, against which the over/under- replicated blocks are counted.
getReplication() - Method in class org.apache.hadoop.fs.FileStatus
Get the replication factor of a file.
getReplication(Path) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Use getFileStatus() instead
getReplication(Path) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
Deprecated. 
getReplicationFactor() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Return the actual replication factor.
getReport() - Method in class org.apache.hadoop.contrib.utils.join.JobBase
log the counters
getReport() - Method in class org.apache.hadoop.mapred.lib.aggregate.DoubleValueSum
 
getReport() - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueMax
 
getReport() - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueMin
 
getReport() - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueSum
 
getReport() - Method in class org.apache.hadoop.mapred.lib.aggregate.StringValueMax
 
getReport() - Method in class org.apache.hadoop.mapred.lib.aggregate.StringValueMin
 
getReport() - Method in class org.apache.hadoop.mapred.lib.aggregate.UniqValueCount
 
getReport() - Method in interface org.apache.hadoop.mapred.lib.aggregate.ValueAggregator
 
getReport() - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueHistogram
 
getReportDetails() - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueHistogram
 
getReportItems() - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueHistogram
 
getResource(String) - Method in class org.apache.hadoop.conf.Configuration
Get the URL for the named resource.
getRevision() - Static method in class org.apache.hadoop.util.VersionInfo
Get the subversion revision number for the root directory
getRotations() - Method in class org.apache.hadoop.examples.dancing.Pentomino.Piece
 
getRpcOpsAvgProcessingTime() - Method in interface org.apache.hadoop.ipc.metrics.RpcMgtMBean
Average time for RPC Operations in last interval
getRpcOpsAvgProcessingTimeMax() - Method in interface org.apache.hadoop.ipc.metrics.RpcMgtMBean
The Maximum RPC Operation Processing Time since reset was called
getRpcOpsAvgProcessingTimeMin() - Method in interface org.apache.hadoop.ipc.metrics.RpcMgtMBean
The Minimum RPC Operation Processing Time since reset was called
getRpcOpsAvgQueueTime() - Method in interface org.apache.hadoop.ipc.metrics.RpcMgtMBean
The Average RPC Operation Queued Time in the last interval
getRpcOpsAvgQueueTimeMax() - Method in interface org.apache.hadoop.ipc.metrics.RpcMgtMBean
The Maximum RPC Operation Queued Time since reset was called
getRpcOpsAvgQueueTimeMin() - Method in interface org.apache.hadoop.ipc.metrics.RpcMgtMBean
The Minimum RPC Operation Queued Time since reset was called
getRpcOpsNumber() - Method in interface org.apache.hadoop.ipc.metrics.RpcMgtMBean
Number of RPC Operations in the last interval
getRunnable() - Method in class org.apache.hadoop.util.Daemon
 
getRunningJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getRunningJobs() - Method in class org.apache.hadoop.mapred.JobTracker
Version that is called from a timer thread, and therefore needs to be careful to synchronize.
getRunState() - Method in class org.apache.hadoop.mapred.JobStatus
 
getSafeModeText() - Method in class org.apache.hadoop.dfs.JspHelper
 
getSafemodeTime() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
getSafemodeTime() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
The time spent in the Safemode at startup
getScheduledReplicationBlocks() - Method in interface org.apache.hadoop.dfs.namenode.metrics.FSNamesystemMBean
Blocks scheduled for replication
getSecretAccessKey() - Method in class org.apache.hadoop.fs.s3.S3Credentials
 
getSelfAddr() - Method in class org.apache.hadoop.dfs.DataNode
 
getSequenceFileOutputKeyClass(JobConf) - Static method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat
Get the key class for the SequenceFile
getSequenceFileOutputValueClass(JobConf) - Static method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat
Get the value class for the SequenceFile
getSerialization(Class<T>) - Method in class org.apache.hadoop.io.serializer.SerializationFactory
 
getSerializedLength() - Method in class org.apache.hadoop.fs.s3.INode
 
getSerializer(Class<Serializable>) - Method in class org.apache.hadoop.io.serializer.JavaSerialization
 
getSerializer(Class<T>) - Method in interface org.apache.hadoop.io.serializer.Serialization
 
getSerializer(Class<T>) - Method in class org.apache.hadoop.io.serializer.SerializationFactory
 
getSerializer(Class<Writable>) - Method in class org.apache.hadoop.io.serializer.WritableSerialization
 
getServer(Object, String, int, Configuration) - Static method in class org.apache.hadoop.ipc.RPC
Construct a server for a protocol implementation instance listening on a port and address.
getServer(Object, String, int, int, boolean, Configuration) - Static method in class org.apache.hadoop.ipc.RPC
Construct a server for a protocol implementation instance listening on a port and address.
getServerAddress(Configuration, String, String, String) - Static method in class org.apache.hadoop.net.NetUtils
Deprecated. 
getServerVersion() - Method in exception org.apache.hadoop.ipc.RPC.VersionMismatch
Get the server's agreed to version.
getSessionId() - Method in class org.apache.hadoop.mapred.JobConf
Get the user-specified session identifier.
getShape(boolean, int) - Method in class org.apache.hadoop.examples.dancing.Pentomino.Piece
 
getSize() - Method in class org.apache.hadoop.io.BytesWritable
Get the current size of the buffer.
getSize() - Method in interface org.apache.hadoop.io.SequenceFile.ValueBytes
Size of stored data.
getSize() - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat.WritableValueBytes
 
getSocketFactory(Configuration, Class<?>) - Static method in class org.apache.hadoop.net.NetUtils
Get the socket factory for the given class according to its configuration parameter hadoop.rpc.socket.factory.class.<ClassName>.
getSocketFactoryFromProperty(Configuration, String) - Static method in class org.apache.hadoop.net.NetUtils
Get the socket factory corresponding to the given proxy URI.
getSpace(int) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
getSpeculativeExecution() - Method in class org.apache.hadoop.mapred.JobConf
Should speculative execution be used for this job? Defaults to true.
getSplits(int) - Method in class org.apache.hadoop.examples.dancing.Pentomino
Generate a list of prefixes to a given depth
getSplits(JobConf, int) - Method in class org.apache.hadoop.mapred.FileInputFormat
Splits files returned by FileInputFormat.listStatus(JobConf) when they're too big.
getSplits(JobConf, int) - Method in interface org.apache.hadoop.mapred.InputFormat
Logically split the set of input files for the job.
getSplits(JobConf, int) - Method in class org.apache.hadoop.mapred.join.CompositeInputFormat
Build a CompositeInputSplit from the child InputFormats by assigning the ith split from each child to the ith composite split.
getSplits(JobConf, int) - Method in class org.apache.hadoop.mapred.lib.NLineInputFormat
Logically splits the set of input files for the job, splits N lines of the input as one split.
getSplits(JobConf, int) - Method in class org.apache.hadoop.mapred.MultiFileInputFormat
 
getStart() - Method in class org.apache.hadoop.mapred.FileSplit
The position of the first byte in the file to process.
getStartTime() - Method in class org.apache.hadoop.mapred.JobStatus
 
getStartTime() - Method in class org.apache.hadoop.mapred.JobTracker
 
getStartTime() - Method in class org.apache.hadoop.mapred.TaskReport
Get start time of task.
getState() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getState() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getState() - Method in class org.apache.hadoop.mapred.TaskReport
The most recent state, reported by a Reporter.
getStaticResolution(String) - Static method in class org.apache.hadoop.net.NetUtils
Retrieves the resolved name for the passed host.
getStatistics(Class<? extends FileSystem>) - Static method in class org.apache.hadoop.fs.FileSystem
Get the statistics for a particular file system
getStats() - Method in class org.apache.hadoop.dfs.NameNode
 
getStatusText(boolean) - Method in class org.apache.hadoop.dfs.UpgradeStatusReport
Get upgradeStatus data as a text for reporting.
getStorageID() - Method in class org.apache.hadoop.dfs.DatanodeID
 
getStorageInfo() - Method in interface org.apache.hadoop.dfs.datanode.metrics.FSDatasetMBean
Returns the storage id of the underlying storage
getStoredBlock(long) - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
 
getStr() - Method in class org.apache.hadoop.mapred.join.Parser.StrToken
 
getStr() - Method in class org.apache.hadoop.mapred.join.Parser.Token
 
getStringCollection(String) - Method in class org.apache.hadoop.conf.Configuration
Get the comma delimited values of the name property as a collection of Strings.
getStringCollection(String) - Static method in class org.apache.hadoop.util.StringUtils
Returns a collection of strings.
getStrings(String) - Method in class org.apache.hadoop.conf.Configuration
Get the comma delimited values of the name property as an array of Strings.
getStrings(String, String...) - Method in class org.apache.hadoop.conf.Configuration
Get the comma delimited values of the name property as an array of Strings.
getStrings(String) - Static method in class org.apache.hadoop.util.StringUtils
Returns an arraylist of strings.
getSuccessfulJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
GetSuffix(int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
getSum() - Method in class org.apache.hadoop.mapred.lib.aggregate.DoubleValueSum
 
getSum() - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueSum
 
getSymlink(Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
This method checks to see if symlinks are to be create for the localized cache files in the current working directory
getSystemDir() - Method in class org.apache.hadoop.mapred.JobClient
Grab the jobtracker system directory path where job-specific files are to be placed.
getSystemDir() - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. Use JobClient.getSystemDir() instead. Get the system directory where job-specific files are to be placed.
getSystemDir() - Method in class org.apache.hadoop.mapred.JobTracker
 
getTabSize(int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
getTag() - Method in class org.apache.hadoop.contrib.utils.join.TaggedMapOutput
 
getTag(String) - Method in class org.apache.hadoop.metrics.spi.OutputRecord
Returns a tag object which is can be a String, Integer, Short or Byte.
getTagNames() - Method in class org.apache.hadoop.metrics.spi.OutputRecord
Returns the set of tag names
getTask(String) - Method in class org.apache.hadoop.mapred.TaskTracker
Deprecated. 
getTask(TaskAttemptID) - Method in class org.apache.hadoop.mapred.TaskTracker
Called upon startup by the child process, to fetch Task data.
getTaskAttemptId() - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
Returns task id.
getTaskAttemptIDsPattern(String, Integer, Boolean, Integer, Integer) - Static method in class org.apache.hadoop.mapred.TaskAttemptID
Returns a regex pattern which matches task attempt IDs.
getTaskAttempts() - Method in class org.apache.hadoop.mapred.JobHistory.Task
Returns all task attempts for this task.
getTaskCompletionEvents(String, int, int) - Method in class org.apache.hadoop.mapred.JobTracker
Deprecated. 
getTaskCompletionEvents(JobID, int, int) - Method in class org.apache.hadoop.mapred.JobTracker
 
getTaskCompletionEvents(int) - Method in interface org.apache.hadoop.mapred.RunningJob
Get events indicating completion (success/failure) of component tasks.
getTaskDiagnostics(String, String, String) - Method in class org.apache.hadoop.mapred.JobTracker
Deprecated. 
getTaskDiagnostics(TaskAttemptID) - Method in class org.apache.hadoop.mapred.JobTracker
Get the diagnostics for a given task
getTaskID() - Method in class org.apache.hadoop.mapred.TaskAttemptID
Returns the TaskID object that this task attempt belongs to
getTaskId() - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
Deprecated. use TaskCompletionEvent.getTaskAttemptId() instead.
getTaskId() - Method in class org.apache.hadoop.mapred.TaskLogAppender
Getter/Setter methods for log4j.
getTaskId() - Method in class org.apache.hadoop.mapred.TaskReport
Deprecated. use TaskReport.getTaskID() instead
getTaskID() - Method in class org.apache.hadoop.mapred.TaskReport
The id of the task.
getTaskIDsPattern(String, Integer, Boolean, Integer) - Static method in class org.apache.hadoop.mapred.TaskID
Returns a regex pattern which matches task IDs.
getTaskInfo(JobConf) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
getTaskLogFile(String, TaskLog.LogName) - Static method in class org.apache.hadoop.mapred.TaskLog
Deprecated. 
getTaskLogFile(TaskAttemptID, TaskLog.LogName) - Static method in class org.apache.hadoop.mapred.TaskLog
 
getTaskLogLength(JobConf) - Static method in class org.apache.hadoop.mapred.TaskLog
Get the desired maximum length of task's logs.
getTaskOutputFilter(JobConf) - Static method in class org.apache.hadoop.mapred.JobClient
Get the task output filter out of the JobConf.
getTaskOutputFilter() - Method in class org.apache.hadoop.mapred.JobClient
Deprecated. 
getTaskOutputPath(JobConf, String) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
Helper function to create the task's temporary output directory and return the path to the task's output file.
getTaskRunTime() - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
Returns time (in millisec) the task took to complete.
getTaskStatus() - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
Returns enum Status.SUCESS or Status.FAILURE.
getTaskTracker(String) - Method in class org.apache.hadoop.mapred.JobTracker
 
getTaskTrackerHttp() - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
http location of the tasktracker where this task ran.
getTaskTrackerMetrics() - Method in class org.apache.hadoop.mapred.TaskTracker
 
getTaskTrackerReportAddress() - Method in class org.apache.hadoop.mapred.TaskTracker
Return the port at which the tasktracker bound to
getTaskTrackers() - Method in class org.apache.hadoop.mapred.ClusterStatus
Get the number of task trackers in the cluster.
getTerm() - Method in class org.apache.hadoop.contrib.index.mapred.DocumentAndOp
Get the term.
getText() - Method in class org.apache.hadoop.contrib.index.example.LineDocTextAndOp
Get the text that represents a document.
getText() - Method in class org.apache.hadoop.contrib.index.mapred.DocumentID
The text of the document id.
getTimestamp(Configuration, URI) - Static method in class org.apache.hadoop.filecache.DistributedCache
Returns mtime of a given cache file on hdfs.
getTip(TaskID) - Method in class org.apache.hadoop.mapred.JobTracker
Returns specified TaskInProgress, or null.
getToken(int) - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
getTotalBlocks() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Return the total number of blocks in the scanned area.
getTotalDirs() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Return total number of directories encountered during this scan.
getTotalFiles() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Return total number of files encountered during this scan.
getTotalLoad() - Method in interface org.apache.hadoop.dfs.namenode.metrics.FSNamesystemMBean
Total Load on the FSNamesystem
getTotalLogFileSize() - Method in class org.apache.hadoop.mapred.TaskLogAppender
 
getTotalOpenFiles() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Return total number of files opened for write encountered during this scan.
getTotalOpenFilesBlocks() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Return the total number of blocks held by open files.
getTotalOpenFilesSize() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Return total size of open files data, in bytes.
getTotalSize() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Return total size of scanned data, in bytes.
getTotalSubmissions() - Method in class org.apache.hadoop.mapred.JobTracker
 
getTrackerIdentifier() - Method in class org.apache.hadoop.mapred.JobTracker
Get the unique identifier (ie.
getTrackerPort() - Method in class org.apache.hadoop.mapred.JobTracker
 
getTrackingURL() - Method in interface org.apache.hadoop.mapred.RunningJob
Get the URL where some job progress information will be displayed.
getType() - Method in interface org.apache.hadoop.dfs.Upgradeable
Get the type of the software component, which this object is upgrading.
getType() - Method in class org.apache.hadoop.mapred.join.Parser.Token
 
getTypeID() - Method in class org.apache.hadoop.record.meta.FieldTypeInfo
get the field's TypeID object
getTypes() - Method in class org.apache.hadoop.io.GenericWritable
Return all classes that may be wrapped.
getTypeVal() - Method in class org.apache.hadoop.record.meta.TypeID
Get the type value.
getUlimitMemoryCommand(JobConf) - Static method in class org.apache.hadoop.util.Shell
Get the Unix command for setting the maximum virtual memory available to a given child process.
getUMask(Configuration) - Static method in class org.apache.hadoop.fs.permission.FsPermission
Get the user file creation mask (umask)
getUnderReplicatedBlocks() - Method in interface org.apache.hadoop.dfs.namenode.metrics.FSNamesystemMBean
Blocks under replicated
getUniqueItems() - Method in class org.apache.hadoop.mapred.lib.aggregate.UniqValueCount
 
getUpgradeStatus() - Method in interface org.apache.hadoop.dfs.Upgradeable
Upgrade status determines a percentage of the work done out of the total amount required by the upgrade.
getUpgradeStatus() - Method in class org.apache.hadoop.dfs.UpgradeStatusReport
Get upgrade upgradeStatus as a percentage of the total upgrade done.
getUpgradeStatusReport(boolean) - Method in interface org.apache.hadoop.dfs.Upgradeable
Get status report for the upgrade.
getUpgradeStatusText() - Method in class org.apache.hadoop.dfs.JspHelper
 
getUri() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
getUri() - Method in class org.apache.hadoop.dfs.HftpFileSystem
 
getUri() - Method in class org.apache.hadoop.dfs.HsftpFileSystem
 
getUri() - Method in class org.apache.hadoop.fs.FileSystem
Returns a URI whose scheme and authority identify this FileSystem.
getUri() - Method in class org.apache.hadoop.fs.FilterFileSystem
Returns a URI whose scheme and authority identify this FileSystem.
getUri() - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
getUri() - Method in class org.apache.hadoop.fs.HarFileSystem
Returns the uri of this filesystem.
getUri() - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
getUri() - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
getUri() - Method in class org.apache.hadoop.fs.s3.S3FileSystem
 
getUri() - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
 
getURIs(String, String) - Method in class org.apache.hadoop.streaming.StreamJob
get the uris of all the files/caches
getURL() - Method in class org.apache.hadoop.mapred.JobProfile
Get the link to the web-ui for details of the job.
getUrl() - Static method in class org.apache.hadoop.util.VersionInfo
Get the subversion URL for the root Hadoop directory.
getUsed() - Method in class org.apache.hadoop.fs.DF
 
getUsed() - Method in class org.apache.hadoop.fs.DU
 
getUsed() - Method in class org.apache.hadoop.fs.FileSystem
Return the total size of all files in the filesystem.
getUser() - Method in class org.apache.hadoop.mapred.JobConf
Get the reported username for this job.
getUser() - Method in class org.apache.hadoop.mapred.JobProfile
Get the user id.
getUser() - Static method in class org.apache.hadoop.util.VersionInfo
The user that compiled Hadoop.
getUserAction() - Method in class org.apache.hadoop.fs.permission.FsPermission
Return user FsAction.
getUserName() - Method in class org.apache.hadoop.fs.permission.PermissionStatus
Return user name
getUsername() - Method in class org.apache.hadoop.mapred.JobStatus
 
getUserName() - Method in class org.apache.hadoop.security.UnixUserGroupInformation
Return the user's name
getUserName() - Method in class org.apache.hadoop.security.UserGroupInformation
Get username
getVal() - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueMax
 
getVal() - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueMin
 
getVal() - Method in class org.apache.hadoop.mapred.lib.aggregate.StringValueMax
 
getVal() - Method in class org.apache.hadoop.mapred.lib.aggregate.StringValueMin
 
getValue() - Method in class org.apache.hadoop.dfs.DataChecksum
 
getValue() - Method in interface org.apache.hadoop.io.SequenceFile.Sorter.RawKeyValueIterator
Gets the current raw value
getValueClass() - Method in class org.apache.hadoop.io.ArrayWritable
 
getValueClass() - Method in class org.apache.hadoop.io.MapFile.Reader
Returns the class of values in this file.
getValueClass() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns the class of values in this file.
getValueClass() - Method in class org.apache.hadoop.io.SequenceFile.Writer
Returns the class of values in this file.
getValueClass() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
The class of value that must be passed to SequenceFileRecordReader.next(Object, Object)..
getValueClassName() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns the name of the value class.
getValueClassName() - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader
Retrieve the name of the value class for this SequenceFile.
getValueTypeID() - Method in class org.apache.hadoop.record.meta.MapTypeID
get the TypeID of the map's value element
getVersion() - Method in class org.apache.hadoop.contrib.index.mapred.Shard
Get the version number of the entire index.
getVersion() - Method in interface org.apache.hadoop.dfs.Upgradeable
Get the layout version of the upgrade object.
getVersion() - Method in class org.apache.hadoop.dfs.UpgradeStatusReport
Get the layout version of the currently running upgrade.
getVersion() - Method in interface org.apache.hadoop.fs.s3.FileSystemStore
 
getVersion() - Method in class org.apache.hadoop.io.VersionedWritable
Return the version number of the current implementation.
getVersion() - Static method in class org.apache.hadoop.util.VersionInfo
Get the Hadoop version.
getVIntSize(long) - Static method in class org.apache.hadoop.io.WritableUtils
Get the encoded length if an integer is stored in a variable-length format
getVIntSize(long) - Static method in class org.apache.hadoop.record.Utils
Get the encoded length if an integer is stored in a variable-length format
getWaitingJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getWarn() - Static method in class org.apache.hadoop.metrics.jvm.EventCounter
 
getWorkingDirectory() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
getWorkingDirectory() - Method in class org.apache.hadoop.dfs.HftpFileSystem
 
getWorkingDirectory() - Method in class org.apache.hadoop.fs.FileSystem
Get the current working directory for the given file system
getWorkingDirectory() - Method in class org.apache.hadoop.fs.FilterFileSystem
Get the current working directory for the given file system
getWorkingDirectory() - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
getWorkingDirectory() - Method in class org.apache.hadoop.fs.HarFileSystem
return the top level archive.
getWorkingDirectory() - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
getWorkingDirectory() - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
getWorkingDirectory() - Method in class org.apache.hadoop.fs.s3.S3FileSystem
 
getWorkingDirectory() - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
 
getWorkingDirectory() - Method in class org.apache.hadoop.mapred.JobConf
Get the current working directory for the default file system.
getWorkOutputPath(JobConf) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
Get the Path to the task's temporary output directory for the map-reduce job

Tasks' Side-Effect Files
getWrappedStream() - Method in class org.apache.hadoop.fs.FSDataOutputStream
 
getWriteBlockOpAverageTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getWriteBlockOpAverageTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Average time for WriteBlock Operation in last interval
getWriteBlockOpMaxTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getWriteBlockOpMaxTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
The Maximum WriteBlock Operation Time since reset was called
getWriteBlockOpMinTime() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getWriteBlockOpMinTime() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
The Minimum WriteBlock Operation Time since reset was called
getWriteBlockOpNum() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getWriteBlockOpNum() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of WriteBlock Operation in last interval
getWritesFromLocalClient() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getWritesFromLocalClient() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of writes from local clients in the last interval
getWritesFromRemoteClient() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
getWritesFromRemoteClient() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Number of writes from remote clients in the last interval
getXceiverCount() - Method in class org.apache.hadoop.dfs.DatanodeInfo
number of active connections
getZlibCompressor(Configuration) - Static method in class org.apache.hadoop.io.compress.zlib.ZlibFactory
Return the appropriate implementation of the zlib compressor.
getZlibCompressorType(Configuration) - Static method in class org.apache.hadoop.io.compress.zlib.ZlibFactory
Return the appropriate type of the zlib compressor.
getZlibDecompressor(Configuration) - Static method in class org.apache.hadoop.io.compress.zlib.ZlibFactory
Return the appropriate implementation of the zlib decompressor.
getZlibDecompressorType(Configuration) - Static method in class org.apache.hadoop.io.compress.zlib.ZlibFactory
Return the appropriate type of the zlib decompressor.
globStatus(Path) - Method in class org.apache.hadoop.fs.FileSystem
Return all the files that match filePattern and are not checksum files.
globStatus(Path, PathFilter) - Method in class org.apache.hadoop.fs.FileSystem
Return an array of FileStatus objects whose path names match pathPattern and is accepted by the user-supplied path filter.
go() - Method in class org.apache.hadoop.streaming.StreamJob
This is the method that actually intializes the job conf and submits the job to the jobtracker
goodClassOrNull(String, String) - Static method in class org.apache.hadoop.streaming.StreamUtil
It may seem strange to silently switch behaviour when a String is not a classname; the reason is simplified Usage:
Grep - Class in org.apache.hadoop.examples
 
GT_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
GzipCodec - Class in org.apache.hadoop.io.compress
This class creates gzip compressors/decompressors.
GzipCodec() - Constructor for class org.apache.hadoop.io.compress.GzipCodec
 
GzipCodec.GzipInputStream - Class in org.apache.hadoop.io.compress
 
GzipCodec.GzipInputStream(InputStream) - Constructor for class org.apache.hadoop.io.compress.GzipCodec.GzipInputStream
 
GzipCodec.GzipInputStream(DecompressorStream) - Constructor for class org.apache.hadoop.io.compress.GzipCodec.GzipInputStream
Allow subclasses to directly set the inflater stream.
GzipCodec.GzipOutputStream - Class in org.apache.hadoop.io.compress
A bridge that wraps around a DeflaterOutputStream to make it a CompressionOutputStream.
GzipCodec.GzipOutputStream(OutputStream) - Constructor for class org.apache.hadoop.io.compress.GzipCodec.GzipOutputStream
 
GzipCodec.GzipOutputStream(CompressorStream) - Constructor for class org.apache.hadoop.io.compress.GzipCodec.GzipOutputStream
Allow children types to put a different type in here.


H

hadoopAliasConf_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
HadoopStreaming - Class in org.apache.hadoop.streaming
The main entrypoint.
HadoopStreaming() - Constructor for class org.apache.hadoop.streaming.HadoopStreaming
 
HadoopVersionAnnotation - Annotation Type in org.apache.hadoop
A package attribute that captures the version of Hadoop that was compiled.
halfDigest() - Method in class org.apache.hadoop.io.MD5Hash
Construct a half-sized version of this MD5.
handle(JobHistory.RecordTypes, Map<JobHistory.Keys, String>) - Method in interface org.apache.hadoop.mapred.JobHistory.Listener
Callback method for history parser.
HarFileSystem - Class in org.apache.hadoop.fs
This is an implementation of the Hadoop Archive Filesystem.
HarFileSystem() - Constructor for class org.apache.hadoop.fs.HarFileSystem
public construction of harfilesystem
HarFileSystem(FileSystem) - Constructor for class org.apache.hadoop.fs.HarFileSystem
Constructor to create a HarFileSystem with an underlying filesystem.
has(int) - Method in class org.apache.hadoop.mapred.join.TupleWritable
Return true if tuple has an element at the position provided.
hashBytes(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
Compute hash for binary data.
hashCode() - Method in class org.apache.hadoop.contrib.index.mapred.DocumentID
 
hashCode() - Method in class org.apache.hadoop.contrib.index.mapred.Shard
 
hashCode() - Method in class org.apache.hadoop.dfs.DatanodeID
 
hashCode() - Method in class org.apache.hadoop.examples.MultiFileWordCount.WordOffset
 
hashCode() - Method in class org.apache.hadoop.fs.FileStatus
Returns a hash code value for the object, which is defined as the hash code of the path name.
hashCode() - Method in class org.apache.hadoop.fs.Path
 
hashCode() - Method in class org.apache.hadoop.fs.permission.FsPermission
hashCode() - Method in class org.apache.hadoop.io.BooleanWritable
 
hashCode() - Method in class org.apache.hadoop.io.BytesWritable
 
hashCode() - Method in class org.apache.hadoop.io.ByteWritable
 
hashCode() - Method in class org.apache.hadoop.io.DoubleWritable
 
hashCode() - Method in class org.apache.hadoop.io.FloatWritable
 
hashCode() - Method in class org.apache.hadoop.io.IntWritable
 
hashCode() - Method in class org.apache.hadoop.io.LongWritable
 
hashCode() - Method in class org.apache.hadoop.io.MD5Hash
Returns a hash code value for this object.
hashCode() - Method in class org.apache.hadoop.io.NullWritable
 
hashCode() - Method in class org.apache.hadoop.io.SequenceFile.Metadata
 
hashCode() - Method in class org.apache.hadoop.io.SequenceFile.Sorter.SegmentDescriptor
 
hashCode() - Method in class org.apache.hadoop.io.Text
hash function
hashCode() - Method in class org.apache.hadoop.io.UTF8
Deprecated.  
hashCode() - Method in class org.apache.hadoop.io.VIntWritable
 
hashCode() - Method in class org.apache.hadoop.io.VLongWritable
 
hashCode() - Method in class org.apache.hadoop.mapred.ID
 
hashCode() - Method in class org.apache.hadoop.mapred.JobID
 
hashCode() - Method in class org.apache.hadoop.mapred.join.TupleWritable
 
hashCode() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
 
hashCode() - Method in class org.apache.hadoop.mapred.TaskAttemptID
 
hashCode() - Method in class org.apache.hadoop.mapred.TaskID
 
hashCode() - Method in class org.apache.hadoop.net.SocksSocketFactory
 
hashCode() - Method in class org.apache.hadoop.net.StandardSocketFactory
 
hashCode() - Method in class org.apache.hadoop.record.Buffer
 
hashCode() - Method in class org.apache.hadoop.record.meta.FieldTypeInfo
We use a basic hashcode implementation, since this class will likely not be used as a hashmap key
hashCode() - Method in class org.apache.hadoop.record.meta.MapTypeID
We use a basic hashcode implementation, since this class will likely not be used as a hashmap key
hashCode() - Method in class org.apache.hadoop.record.meta.TypeID
We use a basic hashcode implementation, since this class will likely not be used as a hashmap key
hashCode() - Method in class org.apache.hadoop.record.meta.VectorTypeID
We use a basic hashcode implementation, since this class will likely not be used as a hashmap key
hashCode() - Method in class org.apache.hadoop.security.UnixUserGroupInformation
Returns a hash code for this UGI.
HashingDistributionPolicy - Class in org.apache.hadoop.contrib.index.example
Choose a shard for each insert or delete based on document id hashing.
HashingDistributionPolicy() - Constructor for class org.apache.hadoop.contrib.index.example.HashingDistributionPolicy
 
HashPartitioner<K2,V2> - Class in org.apache.hadoop.mapred.lib
Partition keys by their Object.hashCode().
HashPartitioner() - Constructor for class org.apache.hadoop.mapred.lib.HashPartitioner
 
hasNext() - Method in class org.apache.hadoop.contrib.utils.join.ArrayListBackedIterator
 
hasNext() - Method in class org.apache.hadoop.mapred.join.ArrayListBackedIterator
 
hasNext() - Method in interface org.apache.hadoop.mapred.join.ComposableRecordReader
Returns true if the stream is not empty, but provides no guarantee that a call to next(K,V) will succeed.
hasNext() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Return true if it is possible that this could emit more values.
hasNext() - Method in class org.apache.hadoop.mapred.join.JoinRecordReader.JoinDelegationIterator
 
hasNext() - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader.MultiFilterDelegationIterator
 
hasNext() - Method in class org.apache.hadoop.mapred.join.ResetableIterator.EMPTY
 
hasNext() - Method in interface org.apache.hadoop.mapred.join.ResetableIterator
True iff a call to next will succeed.
hasNext() - Method in class org.apache.hadoop.mapred.join.StreamBackedIterator
 
hasNext() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
Return true if the RR- including the k,v pair stored in this object- is exhausted.
hasSimpleInputSpecs_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
HEADER - Static variable in class org.apache.hadoop.ipc.Server
The first four bytes of Hadoop RPC connections
HEADER_LEN - Static variable in class org.apache.hadoop.dfs.DataChecksum
 
headMap(WritableComparable) - Method in class org.apache.hadoop.io.SortedMapWritable
HeapSort - Class in org.apache.hadoop.util
An implementation of the core algorithm of HeapSort.
HeapSort() - Constructor for class org.apache.hadoop.util.HeapSort
 
heartbeat(TaskTrackerStatus, boolean, boolean, short) - Method in class org.apache.hadoop.mapred.JobTracker
The periodic heartbeat mechanism between the TaskTracker and the JobTracker.
HEARTBEAT_INTERVAL - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
heartbeats - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
height - Variable in class org.apache.hadoop.examples.dancing.Pentomino
 
height - Static variable in class org.apache.hadoop.mapred.StatusHttpServer.TaskGraphServlet
height of the graph w/o margins
hexchars - Static variable in class org.apache.hadoop.record.Utils
 
hexStringToByte(String) - Static method in class org.apache.hadoop.util.StringUtils
Given a hexstring this will return the byte array corresponding to the string
HftpFileSystem - Class in org.apache.hadoop.dfs
An implementation of a protocol for accessing filesystems over HTTP.
HftpFileSystem() - Constructor for class org.apache.hadoop.dfs.HftpFileSystem
 
hostName - Variable in class org.apache.hadoop.dfs.DatanodeInfo
HostName as suplied by the datanode during registration as its name.
HostsFileReader - Class in org.apache.hadoop.util
 
HostsFileReader(String, String) - Constructor for class org.apache.hadoop.util.HostsFileReader
 
HsftpFileSystem - Class in org.apache.hadoop.dfs
An implementation of a protocol for accessing filesystems over HTTPS.
HsftpFileSystem() - Constructor for class org.apache.hadoop.dfs.HsftpFileSystem
 
HTML_TAIL - Static variable in class org.apache.hadoop.util.ServletUtil
 
htmlFooter() - Static method in class org.apache.hadoop.util.ServletUtil
HTML footer to be added in the jsps.
humanReadableInt(long) - Static method in class org.apache.hadoop.util.StringUtils
Given an integer, return a string that is in an approximate, but human readable format.

I

ID - Class in org.apache.hadoop.mapred
A general identifier, which internally stores the id as an integer.
ID(int) - Constructor for class org.apache.hadoop.mapred.ID
constructs an ID object from the given int
ID() - Constructor for class org.apache.hadoop.mapred.ID
 
id - Variable in class org.apache.hadoop.mapred.ID
 
id() - Method in interface org.apache.hadoop.mapred.join.ComposableRecordReader
Return the position in the collector this class occupies.
id() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Return the position in the collector this class occupies.
id - Variable in class org.apache.hadoop.mapred.join.Parser.Node
 
id() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
Return the position in the collector this class occupies.
ident - Variable in class org.apache.hadoop.mapred.join.Parser.Node
 
IDENT_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
IdentityLocalAnalysis - Class in org.apache.hadoop.contrib.index.example
Identity local analysis maps inputs directly into outputs.
IdentityLocalAnalysis() - Constructor for class org.apache.hadoop.contrib.index.example.IdentityLocalAnalysis
 
IdentityMapper<K,V> - Class in org.apache.hadoop.mapred.lib
Implements the identity function, mapping inputs directly to outputs.
IdentityMapper() - Constructor for class org.apache.hadoop.mapred.lib.IdentityMapper
 
IdentityReducer<K,V> - Class in org.apache.hadoop.mapred.lib
Performs no reduction, writing all input values directly to the output.
IdentityReducer() - Constructor for class org.apache.hadoop.mapred.lib.IdentityReducer
 
IDistributionPolicy - Interface in org.apache.hadoop.contrib.index.mapred
A distribution policy decides, given a document with a document id, which one shard the request should be sent to if the request is an insert, and which shard(s) the request should be sent to if the request is a delete.
idWithinJob() - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
 
ifExists(String, Configuration) - Method in class org.apache.hadoop.fs.LocalDirAllocator
We search through all the configured dirs for the file's existence and return true when we find
ifmt(double) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
IIndexUpdater - Interface in org.apache.hadoop.contrib.index.mapred
A class implements an index updater interface should create a Map/Reduce job configuration and run the Map/Reduce job to analyze documents and update Lucene instances in parallel.
ILLEGAL_ARGS - Static variable in class org.apache.hadoop.dfs.Balancer
 
ILocalAnalysis<K extends WritableComparable,V extends Writable> - Interface in org.apache.hadoop.contrib.index.mapred
Application specific local analysis.
image - Variable in class org.apache.hadoop.record.compiler.generated.Token
The string image of the token.
implies(FsAction) - Method in enum org.apache.hadoop.fs.permission.FsAction
Return true if this action implies that action.
in - Variable in class org.apache.hadoop.io.compress.CompressionInputStream
The input stream to be compressed.
inBuf - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
inc(int) - Method in class org.apache.hadoop.metrics.util.MetricsIntValue
Inc metrics for incr vlaue
inc() - Method in class org.apache.hadoop.metrics.util.MetricsIntValue
Inc metrics by one
inc(long) - Method in class org.apache.hadoop.metrics.util.MetricsLongValue
Inc metrics for incr vlaue
inc() - Method in class org.apache.hadoop.metrics.util.MetricsLongValue
Inc metrics by one
inc(int) - Method in class org.apache.hadoop.metrics.util.MetricsTimeVaryingInt
Inc metrics for incr vlaue
inc() - Method in class org.apache.hadoop.metrics.util.MetricsTimeVaryingInt
Inc metrics by one
inc(int, long) - Method in class org.apache.hadoop.metrics.util.MetricsTimeVaryingRate
Increment the metrics for numOps operations
inc(long) - Method in class org.apache.hadoop.metrics.util.MetricsTimeVaryingRate
Increment the metrics for one operation
incDfsUsed(long) - Method in class org.apache.hadoop.fs.DU
Increase how much disk space we use.
Include() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
INCLUDE_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
incr() - Method in interface org.apache.hadoop.record.Index
 
incrAllCounters(Counters) - Method in class org.apache.hadoop.mapred.Counters
Increments multiple counters by their amounts in another Counters instance.
incrCounter(Enum, long) - Method in class org.apache.hadoop.mapred.Counters
Increments the specified counter by the specified amount, creating it if it didn't already exist.
incrCounter(String, String, long) - Method in class org.apache.hadoop.mapred.Counters
Increments the specified counter by the specified amount, creating it if it didn't already exist.
incrCounter(Enum, long) - Method in interface org.apache.hadoop.mapred.Reporter
Increments the counter identified by the key, which can be of any Enum type, by the specified amount.
incrCounter(String, String, long) - Method in interface org.apache.hadoop.mapred.Reporter
Increments the counter identified by the group and counter name by the specified amount.
increment(long) - Method in class org.apache.hadoop.mapred.Counters.Counter
Increment this counter by the given value
INCREMENT - Static variable in class org.apache.hadoop.metrics.spi.MetricValue
 
incrementBytesRead(long) - Method in class org.apache.hadoop.fs.FileSystem.Statistics
Increment the bytes read in the statistics
incrementBytesWritten(long) - Method in class org.apache.hadoop.fs.FileSystem.Statistics
Increment the bytes written in the statistics
incrMetric(String, int) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Increments the named metric by the specified value.
incrMetric(String, long) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Increments the named metric by the specified value.
incrMetric(String, short) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Increments the named metric by the specified value.
incrMetric(String, byte) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Increments the named metric by the specified value.
incrMetric(String, float) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Increments the named metric by the specified value.
incrMetric(String, int) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Increments the named metric by the specified value.
incrMetric(String, long) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Increments the named metric by the specified value.
incrMetric(String, short) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Increments the named metric by the specified value.
incrMetric(String, byte) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Increments the named metric by the specified value.
incrMetric(String, float) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Increments the named metric by the specified value.
INDEX - Variable in enum org.apache.hadoop.fs.permission.FsAction
Octal representation
Index - Interface in org.apache.hadoop.record
Interface that acts as an iterator for deserializing maps.
INDEX_FILE_NAME - Static variable in class org.apache.hadoop.io.MapFile
The name of the index file.
IndexedSortable - Interface in org.apache.hadoop.util
Interface for collections capable of being sorted by IndexedSorter algorithms.
IndexedSorter - Interface in org.apache.hadoop.util
Interface for sort algorithms accepting IndexedSortable items.
IndexUpdateCombiner - Class in org.apache.hadoop.contrib.index.mapred
This combiner combines multiple intermediate forms into one intermediate form.
IndexUpdateCombiner() - Constructor for class org.apache.hadoop.contrib.index.mapred.IndexUpdateCombiner
 
IndexUpdateConfiguration - Class in org.apache.hadoop.contrib.index.mapred
This class provides the getters and the setters to a number of parameters.
IndexUpdateConfiguration(Configuration) - Constructor for class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Constructor
IndexUpdateMapper<K extends WritableComparable,V extends Writable> - Class in org.apache.hadoop.contrib.index.mapred
This class applies local analysis on a key-value pair and then convert the result docid-operation pair to a shard-and-intermediate form pair.
IndexUpdateMapper() - Constructor for class org.apache.hadoop.contrib.index.mapred.IndexUpdateMapper
 
IndexUpdateOutputFormat - Class in org.apache.hadoop.contrib.index.mapred
The record writer of this output format simply puts a message in an output path when a shard update is done.
IndexUpdateOutputFormat() - Constructor for class org.apache.hadoop.contrib.index.mapred.IndexUpdateOutputFormat
 
IndexUpdatePartitioner - Class in org.apache.hadoop.contrib.index.mapred
This partitioner class puts the values of the same key - in this case the same shard - in the same partition.
IndexUpdatePartitioner() - Constructor for class org.apache.hadoop.contrib.index.mapred.IndexUpdatePartitioner
 
IndexUpdater - Class in org.apache.hadoop.contrib.index.mapred
An implementation of an index updater interface which creates a Map/Reduce job configuration and run the Map/Reduce job to analyze documents and update Lucene instances in parallel.
IndexUpdater() - Constructor for class org.apache.hadoop.contrib.index.mapred.IndexUpdater
 
IndexUpdateReducer - Class in org.apache.hadoop.contrib.index.mapred
This reducer applies to a shard the changes for it.
IndexUpdateReducer() - Constructor for class org.apache.hadoop.contrib.index.mapred.IndexUpdateReducer
 
infoPort - Variable in class org.apache.hadoop.dfs.DatanodeID
 
init(Shard[]) - Method in class org.apache.hadoop.contrib.index.example.HashingDistributionPolicy
 
init(Shard[]) - Method in class org.apache.hadoop.contrib.index.example.RoundRobinDistributionPolicy
 
init(Shard[]) - Method in interface org.apache.hadoop.contrib.index.mapred.IDistributionPolicy
Initialization.
init() - Method in class org.apache.hadoop.fs.FsShell
 
init(JobConf) - Method in class org.apache.hadoop.mapred.JobClient
Connect to the default JobTracker.
init(JobConf, String) - Static method in class org.apache.hadoop.mapred.JobHistory
Initialize JobHistory files.
init() - Method in class org.apache.hadoop.mapred.JobShell
 
init(String, ContextFactory) - Method in class org.apache.hadoop.metrics.file.FileContext
 
init(String, ContextFactory) - Method in class org.apache.hadoop.metrics.ganglia.GangliaContext
 
init(String, String) - Static method in class org.apache.hadoop.metrics.jvm.JvmMetrics
 
init(String, ContextFactory) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Initializes the context.
init(String, ContextFactory) - Method in class org.apache.hadoop.metrics.spi.NullContextWithUpdateThread
 
init() - Method in class org.apache.hadoop.streaming.StreamJob
 
init() - Method in class org.apache.hadoop.streaming.StreamXmlRecordReader
 
initHTML(ServletResponse, String) - Static method in class org.apache.hadoop.util.ServletUtil
Initial HTML header
initialize(URI, Configuration) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
initialize(URI, Configuration) - Method in class org.apache.hadoop.dfs.HftpFileSystem
 
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.FileSystem
Called after a new FileSystem instance is constructed.
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.FilterFileSystem
Called after a new FileSystem instance is constructed.
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.HarFileSystem
Initialize a Har filesystem per har archive.
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
initialize(URI, Configuration) - Method in interface org.apache.hadoop.fs.s3.FileSystemStore
 
initialize(URI) - Method in class org.apache.hadoop.fs.s3.MigrationTool
 
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.s3.S3Credentials
 
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.s3.S3FileSystem
 
initialize(URI, Configuration) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
 
initialize(int) - Method in class org.apache.hadoop.util.PriorityQueue
Subclass constructors must call this.
initializePieces() - Method in class org.apache.hadoop.examples.dancing.OneSidedPentomino
Define the one sided pieces.
initializePieces() - Method in class org.apache.hadoop.examples.dancing.Pentomino
Fill in the pieces list.
InMemoryFileSystem - Class in org.apache.hadoop.fs
Deprecated. 
InMemoryFileSystem() - Constructor for class org.apache.hadoop.fs.InMemoryFileSystem
Deprecated.  
InMemoryFileSystem(URI, Configuration) - Constructor for class org.apache.hadoop.fs.InMemoryFileSystem
Deprecated.  
InnerJoinRecordReader<K extends WritableComparable> - Class in org.apache.hadoop.mapred.join
Full inner join.
INode - Class in org.apache.hadoop.fs.s3
Holds file metadata including type (regular file, or directory), and the list of blocks that are pointers to the data.
INode(INode.FileType, Block[]) - Constructor for class org.apache.hadoop.fs.s3.INode
 
inodeExists(Path) - Method in interface org.apache.hadoop.fs.s3.FileSystemStore
 
Input() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
input_stream - Variable in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
InputBuffer - Class in org.apache.hadoop.io
A reusable InputStream implementation that reads from an in-memory buffer.
InputBuffer() - Constructor for class org.apache.hadoop.io.InputBuffer
Constructs a new empty buffer.
inputFile - Variable in class org.apache.hadoop.contrib.utils.join.DataJoinMapperBase
 
inputFile - Variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
InputFormat<K,V> - Interface in org.apache.hadoop.mapred
InputFormat describes the input-specification for a Map-Reduce job.
inputFormatSpec_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
inputSpecs_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
InputSplit - Interface in org.apache.hadoop.mapred
InputSplit represents the data to be processed by an individual Mapper.
inputStream - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
inputTag - Variable in class org.apache.hadoop.contrib.utils.join.DataJoinMapperBase
 
inReaderSpec_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
INSERT - Static variable in class org.apache.hadoop.contrib.index.mapred.DocumentAndOp.Op
 
insert(Object) - Method in class org.apache.hadoop.util.PriorityQueue
Adds element to the PriorityQueue in log(size) time if either the PriorityQueue is not full, or not lessThan(element, top()).
INT - Static variable in class org.apache.hadoop.record.meta.TypeID.RIOType
 
INT_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
IntermediateForm - Class in org.apache.hadoop.contrib.index.mapred
An intermediate form for one or more parsed Lucene documents and/or delete terms.
IntermediateForm() - Constructor for class org.apache.hadoop.contrib.index.mapred.IntermediateForm
Constructor
IntTypeID - Static variable in class org.apache.hadoop.record.meta.TypeID
 
IntWritable - Class in org.apache.hadoop.io
A WritableComparable for ints.
IntWritable() - Constructor for class org.apache.hadoop.io.IntWritable
 
IntWritable(int) - Constructor for class org.apache.hadoop.io.IntWritable
 
IntWritable.Comparator - Class in org.apache.hadoop.io
A Comparator optimized for IntWritable.
IntWritable.Comparator() - Constructor for class org.apache.hadoop.io.IntWritable.Comparator
 
invalidate(Block[]) - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Invalidates the specified blocks
InvalidFileTypeException - Exception in org.apache.hadoop.mapred
Used when file type differs from the desired file type.
InvalidFileTypeException() - Constructor for exception org.apache.hadoop.mapred.InvalidFileTypeException
 
InvalidFileTypeException(String) - Constructor for exception org.apache.hadoop.mapred.InvalidFileTypeException
 
InvalidInputException - Exception in org.apache.hadoop.mapred
This class wraps a list of problems with the input, so that the user can get a list of problems together instead of finding and fixing them one by one.
InvalidInputException(List<IOException>) - Constructor for exception org.apache.hadoop.mapred.InvalidInputException
Create the exception with the given list.
InvalidJobConfException - Exception in org.apache.hadoop.mapred
This exception is thrown when jobconf misses some mendatory attributes or value of some attributes is invalid.
InvalidJobConfException() - Constructor for exception org.apache.hadoop.mapred.InvalidJobConfException
 
InvalidJobConfException(String) - Constructor for exception org.apache.hadoop.mapred.InvalidJobConfException
 
InverseMapper<K,V> - Class in org.apache.hadoop.mapred.lib
A Mapper that swaps keys and values.
InverseMapper() - Constructor for class org.apache.hadoop.mapred.lib.InverseMapper
 
IO_EXCEPTION - Static variable in class org.apache.hadoop.dfs.Balancer
 
IOUtils - Class in org.apache.hadoop.io
An utility class for I/O related functionality.
IOUtils() - Constructor for class org.apache.hadoop.io.IOUtils
 
IOUtils.NullOutputStream - Class in org.apache.hadoop.io
/dev/null of OutputStreams.
IOUtils.NullOutputStream() - Constructor for class org.apache.hadoop.io.IOUtils.NullOutputStream
 
ipcPort - Variable in class org.apache.hadoop.dfs.DatanodeID
 
isAbsolute() - Method in class org.apache.hadoop.fs.Path
True if the directory of this path is absolute.
isAbsolute() - Method in class org.apache.hadoop.metrics.spi.MetricValue
 
isAlive - Variable in class org.apache.hadoop.dfs.DatanodeDescriptor
 
isBlockCompressed() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns true if records are block-compressed.
isChecksumFile(Path) - Static method in class org.apache.hadoop.fs.ChecksumFileSystem
Return true iff file is a checksum file name.
isComplete() - Method in interface org.apache.hadoop.mapred.RunningJob
Check if the job is finished or not.
isCompleted() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
isCompressed() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns true if values are compressed.
isContextValid(String) - Static method in class org.apache.hadoop.fs.LocalDirAllocator
Method to check whether a context is valid
isCygwin() - Static method in class org.apache.hadoop.streaming.StreamUtil
 
isDir() - Method in class org.apache.hadoop.fs.FileStatus
Is this a directory?
isDirectory(Path) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Use getFileStatus() instead
isDirectory(Path) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
Deprecated. 
isDirectory() - Method in class org.apache.hadoop.fs.s3.INode
 
isDisableHistory() - Static method in class org.apache.hadoop.mapred.JobHistory
Returns history disable status.
isEmpty() - Method in class org.apache.hadoop.io.MapWritable
isEmpty() - Method in class org.apache.hadoop.io.SortedMapWritable
isFile(Path) - Method in class org.apache.hadoop.fs.FileSystem
True iff the named path is a regular file.
isFile(Path) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
Deprecated. 
isFile() - Method in class org.apache.hadoop.fs.s3.INode
 
isFile(Path) - Method in class org.apache.hadoop.fs.s3.S3FileSystem
 
isFinalized() - Method in class org.apache.hadoop.dfs.UpgradeStatusReport
Is current upgrade finalized.
isHealthy() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
DFS is considered healthy if there are no missing blocks.
isIdle() - Method in class org.apache.hadoop.mapred.TaskTracker
Is this task tracker idle?
isIncluded(int) - Method in class org.apache.hadoop.conf.Configuration.IntegerRanges
Is the given value in the set of ranges
isIncrement() - Method in class org.apache.hadoop.metrics.spi.MetricValue
 
isInSafeMode() - Method in class org.apache.hadoop.dfs.NameNode
Is the cluster currently in safe mode?
isLocalHadoop() - Method in class org.apache.hadoop.streaming.StreamJob
 
isLocalJobTracker(JobConf) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
isMap() - Method in class org.apache.hadoop.mapred.TaskAttemptID
Returns whether this TaskAttemptID is a map ID
isMap() - Method in class org.apache.hadoop.mapred.TaskID
Returns whether this TaskID is a map ID
isMapTask() - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
 
isMonitoring() - Method in interface org.apache.hadoop.metrics.MetricsContext
Returns true if monitoring is currently in progress.
isMonitoring() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Returns true if monitoring is currently in progress.
isNativeCodeLoaded() - Static method in class org.apache.hadoop.util.NativeCodeLoader
Check if native-hadoop code is loaded for this platform.
isNativeLzoLoaded() - Static method in class org.apache.hadoop.io.compress.lzo.LzoCompressor
Check if lzo compressors are loaded and initialized.
isNativeLzoLoaded() - Static method in class org.apache.hadoop.io.compress.lzo.LzoDecompressor
Check if lzo decompressors are loaded and initialized.
isNativeLzoLoaded(Configuration) - Static method in class org.apache.hadoop.io.compress.LzoCodec
Check if native-lzo library is loaded & initialized.
isNativeZlibLoaded(Configuration) - Static method in class org.apache.hadoop.io.compress.zlib.ZlibFactory
Check if native-zlib code is loaded & initialized correctly and can be loaded for this job.
isNegativeVInt(byte) - Static method in class org.apache.hadoop.io.WritableUtils
Given the first byte of a vint/vlong, determine the sign
IsolationRunner - Class in org.apache.hadoop.mapred
 
IsolationRunner() - Constructor for class org.apache.hadoop.mapred.IsolationRunner
 
isOnSameRack(Node, Node) - Method in class org.apache.hadoop.net.NetworkTopology
Check if two nodes are on the same rack
isOpen() - Method in class org.apache.hadoop.net.SocketInputStream
 
isOpen() - Method in class org.apache.hadoop.net.SocketOutputStream
 
isReady() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
isSegmentsFile(String) - Static method in class org.apache.hadoop.contrib.index.lucene.LuceneUtil
Check if the file is a segments_N file
isSegmentsGenFile(String) - Static method in class org.apache.hadoop.contrib.index.lucene.LuceneUtil
Check if the file is the segments.gen file
isSplitable(FileSystem, Path) - Method in class org.apache.hadoop.mapred.FileInputFormat
Is the given filename splitable? Usually, true, but if the file is stream compressed, it will not be.
isSplitable(FileSystem, Path) - Method in class org.apache.hadoop.mapred.KeyValueTextInputFormat
 
isSplitable(FileSystem, Path) - Method in class org.apache.hadoop.mapred.TextInputFormat
 
isSuccessful() - Method in interface org.apache.hadoop.mapred.RunningJob
Check if the job completed successfully.
isUnderConstruction() - Method in class org.apache.hadoop.dfs.LocatedBlocks
Return ture if file was under construction when this LocatedBlocks was constructed, false otherwise.
isValidBlock(Block) - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Is the block valid?
iterator() - Method in class org.apache.hadoop.conf.Configuration
Get an Iterator to go through the list of String key-value pairs in the configuration.
iterator() - Method in class org.apache.hadoop.mapred.Counters.Group
 
iterator() - Method in class org.apache.hadoop.mapred.Counters
 
iterator() - Method in class org.apache.hadoop.mapred.join.TupleWritable
Return an iterator over the elements in this tuple.

J

jar_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
JarBuilder - Class in org.apache.hadoop.streaming
This class is the main class for generating job.jar for Hadoop Streaming jobs.
JarBuilder() - Constructor for class org.apache.hadoop.streaming.JarBuilder
 
JavaSerialization - Class in org.apache.hadoop.io.serializer
An experimental Serialization for Java Serializable classes.
JavaSerialization() - Constructor for class org.apache.hadoop.io.serializer.JavaSerialization
 
JavaSerializationComparator<T extends Serializable & Comparable<T>> - Class in org.apache.hadoop.io.serializer
A RawComparator that uses a JavaSerialization Deserializer to deserialize objects that are then compared via their Comparable interfaces.
JavaSerializationComparator() - Constructor for class org.apache.hadoop.io.serializer.JavaSerializationComparator
 
JBoolean - Class in org.apache.hadoop.record.compiler
 
JBoolean() - Constructor for class org.apache.hadoop.record.compiler.JBoolean
Creates a new instance of JBoolean
JBuffer - Class in org.apache.hadoop.record.compiler
Code generator for "buffer" type.
JBuffer() - Constructor for class org.apache.hadoop.record.compiler.JBuffer
Creates a new instance of JBuffer
JByte - Class in org.apache.hadoop.record.compiler
Code generator for "byte" type.
JByte() - Constructor for class org.apache.hadoop.record.compiler.JByte
 
jc - Variable in class org.apache.hadoop.mapred.join.CompositeRecordReader
 
jc_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
JDouble - Class in org.apache.hadoop.record.compiler
 
JDouble() - Constructor for class org.apache.hadoop.record.compiler.JDouble
Creates a new instance of JDouble
JField<T> - Class in org.apache.hadoop.record.compiler
A thin wrappper around record field.
JField(String, T) - Constructor for class org.apache.hadoop.record.compiler.JField
Creates a new instance of JField
JFile - Class in org.apache.hadoop.record.compiler
Container for the Hadoop Record DDL.
JFile(String, ArrayList<JFile>, ArrayList<JRecord>) - Constructor for class org.apache.hadoop.record.compiler.JFile
Creates a new instance of JFile
JFloat - Class in org.apache.hadoop.record.compiler
 
JFloat() - Constructor for class org.apache.hadoop.record.compiler.JFloat
Creates a new instance of JFloat
JInt - Class in org.apache.hadoop.record.compiler
Code generator for "int" type
JInt() - Constructor for class org.apache.hadoop.record.compiler.JInt
Creates a new instance of JInt
jj_nt - Variable in class org.apache.hadoop.record.compiler.generated.Rcc
 
jjFillToken() - Method in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
jjnewLexState - Static variable in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
jjstrLiteralImages - Static variable in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
JLong - Class in org.apache.hadoop.record.compiler
Code generator for "long" type
JLong() - Constructor for class org.apache.hadoop.record.compiler.JLong
Creates a new instance of JLong
JMap - Class in org.apache.hadoop.record.compiler
 
JMap(JType, JType) - Constructor for class org.apache.hadoop.record.compiler.JMap
Creates a new instance of JMap
job - Variable in class org.apache.hadoop.contrib.utils.join.DataJoinMapperBase
 
job - Variable in class org.apache.hadoop.contrib.utils.join.DataJoinReducerBase
 
Job - Class in org.apache.hadoop.mapred.jobcontrol
This class encapsulates a MapReduce job and its dependency.
Job(JobConf, ArrayList<Job>) - Constructor for class org.apache.hadoop.mapred.jobcontrol.Job
Construct a job.
Job(JobConf) - Constructor for class org.apache.hadoop.mapred.jobcontrol.Job
Construct a job.
JobBase - Class in org.apache.hadoop.contrib.utils.join
A common base implementing some statics collecting mechanisms that are commonly used in a typical map/reduce job.
JobBase() - Constructor for class org.apache.hadoop.contrib.utils.join.JobBase
 
JobClient - Class in org.apache.hadoop.mapred
JobClient is the primary interface for the user-job to interact with the JobTracker.
JobClient() - Constructor for class org.apache.hadoop.mapred.JobClient
Create a job client.
JobClient(JobConf) - Constructor for class org.apache.hadoop.mapred.JobClient
Build a job client with the given JobConf, and connect to the default JobTracker.
JobClient(InetSocketAddress, Configuration) - Constructor for class org.apache.hadoop.mapred.JobClient
Build a job client, connect to the indicated job tracker.
JobClient.TaskStatusFilter - Enum in org.apache.hadoop.mapred
 
JobConf - Class in org.apache.hadoop.mapred
A map/reduce job configuration.
JobConf() - Constructor for class org.apache.hadoop.mapred.JobConf
Construct a map/reduce job configuration.
JobConf(Class) - Constructor for class org.apache.hadoop.mapred.JobConf
Construct a map/reduce job configuration.
JobConf(Configuration) - Constructor for class org.apache.hadoop.mapred.JobConf
Construct a map/reduce job configuration.
JobConf(Configuration, Class) - Constructor for class org.apache.hadoop.mapred.JobConf
Construct a map/reduce job configuration.
JobConf(String) - Constructor for class org.apache.hadoop.mapred.JobConf
Construct a map/reduce configuration.
JobConf(Path) - Constructor for class org.apache.hadoop.mapred.JobConf
Construct a map/reduce configuration.
jobConf_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
JobConfigurable - Interface in org.apache.hadoop.mapred
That what may be configured.
JobControl - Class in org.apache.hadoop.mapred.jobcontrol
This class encapsulates a set of MapReduce jobs and its dependency.
JobControl(String) - Constructor for class org.apache.hadoop.mapred.jobcontrol.JobControl
Construct a job control for a group of jobs.
JobEndNotifier - Class in org.apache.hadoop.mapred
 
JobEndNotifier() - Constructor for class org.apache.hadoop.mapred.JobEndNotifier
 
JobHistory - Class in org.apache.hadoop.mapred
Provides methods for writing to and reading from job history.
JobHistory() - Constructor for class org.apache.hadoop.mapred.JobHistory
 
JobHistory.HistoryCleaner - Class in org.apache.hadoop.mapred
Delete history files older than one month.
JobHistory.HistoryCleaner() - Constructor for class org.apache.hadoop.mapred.JobHistory.HistoryCleaner
 
JobHistory.JobInfo - Class in org.apache.hadoop.mapred
Helper class for logging or reading back events related to job start, finish or failure.
JobHistory.JobInfo(String) - Constructor for class org.apache.hadoop.mapred.JobHistory.JobInfo
Create new JobInfo
JobHistory.Keys - Enum in org.apache.hadoop.mapred
Job history files contain key="value" pairs, where keys belong to this enum.
JobHistory.Listener - Interface in org.apache.hadoop.mapred
Callback interface for reading back log events from JobHistory.
JobHistory.MapAttempt - Class in org.apache.hadoop.mapred
Helper class for logging or reading back events related to start, finish or failure of a Map Attempt on a node.
JobHistory.MapAttempt() - Constructor for class org.apache.hadoop.mapred.JobHistory.MapAttempt
 
JobHistory.RecordTypes - Enum in org.apache.hadoop.mapred
Record types are identifiers for each line of log in history files.
JobHistory.ReduceAttempt - Class in org.apache.hadoop.mapred
Helper class for logging or reading back events related to start, finish or failure of a Map Attempt on a node.
JobHistory.ReduceAttempt() - Constructor for class org.apache.hadoop.mapred.JobHistory.ReduceAttempt
 
JobHistory.Task - Class in org.apache.hadoop.mapred
Helper class for logging or reading back events related to Task's start, finish or failure.
JobHistory.Task() - Constructor for class org.apache.hadoop.mapred.JobHistory.Task
 
JobHistory.TaskAttempt - Class in org.apache.hadoop.mapred
Base class for Map and Reduce TaskAttempts.
JobHistory.TaskAttempt() - Constructor for class org.apache.hadoop.mapred.JobHistory.TaskAttempt
 
JobHistory.Values - Enum in org.apache.hadoop.mapred
This enum contains some of the values commonly used by history log events.
JobID - Class in org.apache.hadoop.mapred
JobID represents the immutable and unique identifier for the job.
JobID(String, int) - Constructor for class org.apache.hadoop.mapred.JobID
Constructs a JobID object
jobId_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
jobInfo() - Method in class org.apache.hadoop.streaming.StreamJob
 
JobPriority - Enum in org.apache.hadoop.mapred
Used to describe the priority of the running job.
JobProfile - Class in org.apache.hadoop.mapred
A JobProfile is a MapReduce primitive.
JobProfile() - Constructor for class org.apache.hadoop.mapred.JobProfile
Construct an empty JobProfile.
JobProfile(String, JobID, String, String, String) - Constructor for class org.apache.hadoop.mapred.JobProfile
Construct a JobProfile the userid, jobid, job config-file, job-details url and job name.
JobProfile(String, String, String, String, String) - Constructor for class org.apache.hadoop.mapred.JobProfile
Deprecated. use JobProfile(String, JobID, String, String, String) instead
JobShell - Class in org.apache.hadoop.mapred
Provide command line parsing for JobSubmission job submission looks like hadoop jar -libjars -archives -files inputjar args
JobShell() - Constructor for class org.apache.hadoop.mapred.JobShell
 
JobShell(Configuration) - Constructor for class org.apache.hadoop.mapred.JobShell
 
JobStatus - Class in org.apache.hadoop.mapred
Describes the current status of a job.
JobStatus() - Constructor for class org.apache.hadoop.mapred.JobStatus
 
JobStatus(String, float, float, int) - Constructor for class org.apache.hadoop.mapred.JobStatus
Deprecated. 
JobStatus(JobID, float, float, int) - Constructor for class org.apache.hadoop.mapred.JobStatus
Create a job status object for a given jobid.
jobsToComplete() - Method in class org.apache.hadoop.mapred.JobClient
Get the jobs that are not completed and not failed.
jobsToComplete() - Method in class org.apache.hadoop.mapred.JobTracker
 
JobTracker - Class in org.apache.hadoop.mapred
JobTracker is the central location for submitting and tracking MR jobs in a network environment.
JobTracker.IllegalStateException - Exception in org.apache.hadoop.mapred
A client tried to submit a job before the Job Tracker was ready.
JobTracker.IllegalStateException(String) - Constructor for exception org.apache.hadoop.mapred.JobTracker.IllegalStateException
 
JobTracker.State - Enum in org.apache.hadoop.mapred
 
JOBTRACKER_START_TIME - Static variable in class org.apache.hadoop.mapred.JobHistory
 
join() - Method in class org.apache.hadoop.dfs.NameNode
Wait for service to finish.
Join - Class in org.apache.hadoop.examples
This is the trivial map/reduce program that does absolutely nothing other than use the framework to fragment and sort the input values.
Join() - Constructor for class org.apache.hadoop.examples.Join
 
join() - Method in class org.apache.hadoop.ipc.Server
Wait for the server to be stopped.
JoinRecordReader<K extends WritableComparable> - Class in org.apache.hadoop.mapred.join
Base class for Composite joins returning Tuples of arbitrary Writables.
JoinRecordReader(int, JobConf, int, Class<? extends WritableComparator>) - Constructor for class org.apache.hadoop.mapred.join.JoinRecordReader
 
JoinRecordReader.JoinDelegationIterator - Class in org.apache.hadoop.mapred.join
Since the JoinCollector is effecting our operation, we need only provide an iterator proxy wrapping its operation.
JoinRecordReader.JoinDelegationIterator() - Constructor for class org.apache.hadoop.mapred.join.JoinRecordReader.JoinDelegationIterator
 
JRecord - Class in org.apache.hadoop.record.compiler
 
JRecord(String, ArrayList<JField<JType>>) - Constructor for class org.apache.hadoop.record.compiler.JRecord
Creates a new instance of JRecord
JspHelper - Class in org.apache.hadoop.dfs
 
JspHelper() - Constructor for class org.apache.hadoop.dfs.JspHelper
 
JString - Class in org.apache.hadoop.record.compiler
 
JString() - Constructor for class org.apache.hadoop.record.compiler.JString
Creates a new instance of JString
JType - Class in org.apache.hadoop.record.compiler
Abstract Base class for all types supported by Hadoop Record I/O.
JType() - Constructor for class org.apache.hadoop.record.compiler.JType
 
JVector - Class in org.apache.hadoop.record.compiler
 
JVector(JType) - Constructor for class org.apache.hadoop.record.compiler.JVector
Creates a new instance of JVector
JvmMetrics - Class in org.apache.hadoop.metrics.jvm
Singleton class which eports Java Virtual Machine metrics to the metrics API.

K

key() - Method in class org.apache.hadoop.io.ArrayFile.Reader
Returns the key associated with the most recent call to ArrayFile.Reader.seek(long), ArrayFile.Reader.next(Writable), or ArrayFile.Reader.get(long,Writable).
key() - Method in interface org.apache.hadoop.mapred.join.ComposableRecordReader
Return the key this RecordReader would supply on a call to next(K,V)
key(K) - Method in interface org.apache.hadoop.mapred.join.ComposableRecordReader
Clone the key at the head of this RecordReader into the object provided.
key() - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Return the key for the current join or the value at the top of the RecordReader heap.
key(K) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Clone the key at the top of this RR into the given object.
key() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
Return the key at the head of this RR.
key(K) - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
Clone the key at the head of this RR into the object supplied.
KeyFieldBasedPartitioner<K2,V2> - Class in org.apache.hadoop.mapred.lib
 
KeyFieldBasedPartitioner() - Constructor for class org.apache.hadoop.mapred.lib.KeyFieldBasedPartitioner
 
keySerializer - Variable in class org.apache.hadoop.io.SequenceFile.Writer
 
keySet() - Method in class org.apache.hadoop.io.MapWritable
keySet() - Method in class org.apache.hadoop.io.SortedMapWritable
KeyValueLineRecordReader - Class in org.apache.hadoop.mapred
This class treats a line in the input as a key/value pair separated by a separator character.
KeyValueLineRecordReader(Configuration, FileSplit) - Constructor for class org.apache.hadoop.mapred.KeyValueLineRecordReader
 
KeyValueTextInputFormat - Class in org.apache.hadoop.mapred
An InputFormat for plain text files.
KeyValueTextInputFormat() - Constructor for class org.apache.hadoop.mapred.KeyValueTextInputFormat
 
kids - Variable in class org.apache.hadoop.mapred.join.CompositeRecordReader
 
killJob(String) - Method in class org.apache.hadoop.mapred.JobTracker
Deprecated. 
killJob(JobID) - Method in class org.apache.hadoop.mapred.JobTracker
 
killJob() - Method in interface org.apache.hadoop.mapred.RunningJob
Kill the running job.
killTask(String, boolean) - Method in class org.apache.hadoop.mapred.JobTracker
Deprecated. 
killTask(TaskAttemptID, boolean) - Method in class org.apache.hadoop.mapred.JobTracker
Mark a Task to be killed
killTask(TaskAttemptID, boolean) - Method in interface org.apache.hadoop.mapred.RunningJob
Kill indicated task attempt.
killTask(String, boolean) - Method in interface org.apache.hadoop.mapred.RunningJob
Deprecated. Applications should rather use RunningJob.killTask(TaskAttemptID, boolean)
kind - Variable in class org.apache.hadoop.record.compiler.generated.Token
An integer that describes the kind of this token.
KosmosFileSystem - Class in org.apache.hadoop.fs.kfs
A FileSystem backed by KFS.
KosmosFileSystem() - Constructor for class org.apache.hadoop.fs.kfs.KosmosFileSystem
 

L

largestNumOfValues - Variable in class org.apache.hadoop.contrib.utils.join.DataJoinReducerBase
 
lastKey() - Method in class org.apache.hadoop.io.SortedMapWritable
lastUpdate - Variable in class org.apache.hadoop.dfs.DatanodeInfo
 
LAYOUT_VERSION - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
LBRACE_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
LEASE_HARDLIMIT_PERIOD - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
LEASE_SOFTLIMIT_PERIOD - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
LeaseExpiredException - Exception in org.apache.hadoop.dfs
The lease that was being used to create this file has expired.
LeaseExpiredException(String) - Constructor for exception org.apache.hadoop.dfs.LeaseExpiredException
 
lessThan(Object, Object) - Method in class org.apache.hadoop.util.PriorityQueue
Determines the ordering of objects in this priority queue.
level - Variable in class org.apache.hadoop.net.NodeBase
 
LexicalError(boolean, int, int, int, String, char) - Static method in error org.apache.hadoop.record.compiler.generated.TokenMgrError
Returns a detailed message for the Error when it is thrown by the token manager to indicate a lexical error.
lexStateNames - Static variable in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
limitDecimalTo2(double) - Static method in class org.apache.hadoop.fs.FsShell
 
line - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
LineDocInputFormat - Class in org.apache.hadoop.contrib.index.example
An InputFormat for LineDoc for plain text files where each line is a doc.
LineDocInputFormat() - Constructor for class org.apache.hadoop.contrib.index.example.LineDocInputFormat
 
LineDocLocalAnalysis - Class in org.apache.hadoop.contrib.index.example
Convert LineDocTextAndOp to DocumentAndOp as required by ILocalAnalysis.
LineDocLocalAnalysis() - Constructor for class org.apache.hadoop.contrib.index.example.LineDocLocalAnalysis
 
LineDocRecordReader - Class in org.apache.hadoop.contrib.index.example
A simple RecordReader for LineDoc for plain text files where each line is a doc.
LineDocRecordReader(Configuration, FileSplit) - Constructor for class org.apache.hadoop.contrib.index.example.LineDocRecordReader
Constructor
LineDocTextAndOp - Class in org.apache.hadoop.contrib.index.example
This class represents an operation.
LineDocTextAndOp() - Constructor for class org.apache.hadoop.contrib.index.example.LineDocTextAndOp
Constructor
LineRecordReader - Class in org.apache.hadoop.mapred
Treats keys as offset in file and value as line.
LineRecordReader(Configuration, FileSplit) - Constructor for class org.apache.hadoop.mapred.LineRecordReader
 
LineRecordReader(InputStream, long, long) - Constructor for class org.apache.hadoop.mapred.LineRecordReader
Deprecated. 
LineRecordReader(InputStream, long, long, int) - Constructor for class org.apache.hadoop.mapred.LineRecordReader
 
LineRecordReader(InputStream, long, long, Configuration) - Constructor for class org.apache.hadoop.mapred.LineRecordReader
 
LineRecordReader.LineReader - Class in org.apache.hadoop.mapred
A class that provides a line reader from an input stream.
LineRecordReader.LineReader(InputStream, Configuration) - Constructor for class org.apache.hadoop.mapred.LineRecordReader.LineReader
Create a line reader that reads from the given stream using the io.file.buffer.size specified in the given Configuration.
LINK_URI - Static variable in class org.apache.hadoop.streaming.StreamJob
 
list() - Method in class org.apache.hadoop.contrib.index.lucene.FileSystemDirectory
 
listDeepSubPaths(Path) - Method in interface org.apache.hadoop.fs.s3.FileSystemStore
 
listJobConfProperties() - Method in class org.apache.hadoop.streaming.StreamJob
Prints out the jobconf properties on stdout when verbose is specified.
listPaths(JobConf) - Method in class org.apache.hadoop.mapred.FileInputFormat
Deprecated. Use FileInputFormat.listStatus(JobConf) instead.
listPaths(JobConf) - Method in class org.apache.hadoop.mapred.SequenceFileInputFormat
 
ListPathsServlet - Class in org.apache.hadoop.dfs
Obtain meta-information about a filesystem.
ListPathsServlet() - Constructor for class org.apache.hadoop.dfs.ListPathsServlet
 
listStatus(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
listStatus(Path) - Method in class org.apache.hadoop.dfs.HftpFileSystem
 
listStatus(Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
List the statuses of the files/directories in the given path if the path is a directory.
listStatus(Path) - Method in class org.apache.hadoop.fs.FileSystem
List the statuses of the files/directories in the given path if the path is a directory.
listStatus(Path, PathFilter) - Method in class org.apache.hadoop.fs.FileSystem
Filter files/directories in the given path using the user-supplied path filter.
listStatus(Path[]) - Method in class org.apache.hadoop.fs.FileSystem
Filter files/directories in the given list of paths using default path filter.
listStatus(Path[], PathFilter) - Method in class org.apache.hadoop.fs.FileSystem
Filter files/directories in the given list of paths using user-supplied path filter.
listStatus(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
List files in a directory.
listStatus(Path) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
listStatus(Path) - Method in class org.apache.hadoop.fs.HarFileSystem
liststatus returns the children of a directory after looking up the index files.
listStatus(Path) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
listStatus(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
listStatus(Path) - Method in class org.apache.hadoop.fs.s3.S3FileSystem
 
listStatus(Path) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
If f is a file, this method will make a single call to S3.
listStatus(JobConf) - Method in class org.apache.hadoop.mapred.FileInputFormat
List input directories.
listSubPaths(Path) - Method in interface org.apache.hadoop.fs.s3.FileSystemStore
 
ljustify(String, int) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
load(Configuration, String, Class<K>) - Static method in class org.apache.hadoop.io.DefaultStringifier
Restores the object from the configuration.
loadArray(Configuration, String, Class<K>) - Static method in class org.apache.hadoop.io.DefaultStringifier
Restores the array of objects from the configuration.
LocalDirAllocator - Class in org.apache.hadoop.fs
An implementation of a round-robin scheme for disk allocation for creating files.
LocalDirAllocator(String) - Constructor for class org.apache.hadoop.fs.LocalDirAllocator
Create an allocator object
LocalFileSystem - Class in org.apache.hadoop.fs
Implement the FileSystem API for the checksumed local filesystem.
LocalFileSystem() - Constructor for class org.apache.hadoop.fs.LocalFileSystem
 
LocalFileSystem(FileSystem) - Constructor for class org.apache.hadoop.fs.LocalFileSystem
 
localHadoop_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
localizeBin(String) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
localRunnerNotification(JobConf, JobStatus) - Static method in class org.apache.hadoop.mapred.JobEndNotifier
 
locatedBlockCount() - Method in class org.apache.hadoop.dfs.LocatedBlocks
Get number of located blocks.
LocatedBlocks - Class in org.apache.hadoop.dfs
Collection of blocks with their locations and the file length.
location - Variable in class org.apache.hadoop.dfs.DatanodeInfo
 
location - Variable in class org.apache.hadoop.net.NodeBase
 
lock(Path, boolean) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
Deprecated. 
lock(Path, boolean) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
Deprecated.  
LOG - Static variable in class org.apache.hadoop.contrib.index.main.UpdateIndex
 
LOG - Static variable in class org.apache.hadoop.contrib.index.mapred.IndexUpdater
 
LOG - Static variable in class org.apache.hadoop.contrib.utils.join.JobBase
 
LOG - Static variable in class org.apache.hadoop.dfs.DataBlockScanner
 
LOG - Static variable in class org.apache.hadoop.dfs.DataNode
 
LOG - Static variable in class org.apache.hadoop.dfs.NameNode
 
LOG - Static variable in class org.apache.hadoop.dfs.NamenodeFsck
 
LOG - Static variable in class org.apache.hadoop.dfs.SecondaryNameNode
 
LOG - Static variable in class org.apache.hadoop.fs.FileSystem
 
LOG - Static variable in class org.apache.hadoop.fs.FSInputChecker
 
LOG - Static variable in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
LOG - Static variable in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
 
LOG - Static variable in class org.apache.hadoop.io.compress.CompressionCodecFactory
 
LOG - Static variable in class org.apache.hadoop.ipc.Client
 
LOG - Static variable in class org.apache.hadoop.ipc.Server
 
log(Log) - Method in class org.apache.hadoop.mapred.Counters
Logs the current counter values.
LOG - Static variable in class org.apache.hadoop.mapred.FileInputFormat
 
LOG - Static variable in class org.apache.hadoop.mapred.JobTracker
 
LOG - Static variable in class org.apache.hadoop.mapred.lib.FieldSelectionMapReduce
 
LOG - Static variable in class org.apache.hadoop.mapred.TaskTracker
 
LOG - Static variable in class org.apache.hadoop.net.NetworkTopology
 
LOG - Static variable in class org.apache.hadoop.security.UserGroupInformation
 
LOG - Static variable in class org.apache.hadoop.streaming.PipeMapRed
 
LOG - Static variable in class org.apache.hadoop.streaming.StreamBaseRecordReader
 
LOG - Static variable in class org.apache.hadoop.streaming.StreamJob
 
LOG - Static variable in class org.apache.hadoop.util.Shell
 
logFailed(String, long, int, int) - Static method in class org.apache.hadoop.mapred.JobHistory.JobInfo
Deprecated. 
logFailed(JobID, long, int, int) - Static method in class org.apache.hadoop.mapred.JobHistory.JobInfo
Logs job failed event.
logFailed(String, String, String, long, String, String) - Static method in class org.apache.hadoop.mapred.JobHistory.MapAttempt
Deprecated. 
logFailed(TaskAttemptID, long, String, String) - Static method in class org.apache.hadoop.mapred.JobHistory.MapAttempt
Log task attempt failed event.
logFailed(String, String, String, long, String, String) - Static method in class org.apache.hadoop.mapred.JobHistory.ReduceAttempt
Deprecated. 
logFailed(TaskAttemptID, long, String, String) - Static method in class org.apache.hadoop.mapred.JobHistory.ReduceAttempt
Log failed reduce task attempt.
logFailed(String, String, String, long, String) - Static method in class org.apache.hadoop.mapred.JobHistory.Task
Deprecated. 
logFailed(TaskID, String, long, String) - Static method in class org.apache.hadoop.mapred.JobHistory.Task
Log job failed event.
logFinished(String, long, int, int, int, int, Counters) - Static method in class org.apache.hadoop.mapred.JobHistory.JobInfo
Deprecated. 
logFinished(JobID, long, int, int, int, int, Counters) - Static method in class org.apache.hadoop.mapred.JobHistory.JobInfo
Log job finished.
logFinished(String, String, String, long, String) - Static method in class org.apache.hadoop.mapred.JobHistory.MapAttempt
Deprecated. 
logFinished(TaskAttemptID, long, String) - Static method in class org.apache.hadoop.mapred.JobHistory.MapAttempt
Log finish time of map task attempt.
logFinished(String, String, String, long, long, long, String) - Static method in class org.apache.hadoop.mapred.JobHistory.ReduceAttempt
Deprecated. 
logFinished(TaskAttemptID, long, long, long, String) - Static method in class org.apache.hadoop.mapred.JobHistory.ReduceAttempt
Log finished event of this task.
logFinished(String, String, String, long, Counters) - Static method in class org.apache.hadoop.mapred.JobHistory.Task
Deprecated. 
logFinished(TaskID, String, long, Counters) - Static method in class org.apache.hadoop.mapred.JobHistory.Task
Log finish time of task.
login() - Static method in class org.apache.hadoop.security.UnixUserGroupInformation
Get current user's name and the names of all its groups from Unix.
login(Configuration) - Static method in class org.apache.hadoop.security.UnixUserGroupInformation
Equivalent to login(conf, false).
login(Configuration, boolean) - Static method in class org.apache.hadoop.security.UnixUserGroupInformation
Get a user's name & its group names from the given configuration; If it is not defined in the configuration, get the current user's information from Unix.
login(Configuration) - Static method in class org.apache.hadoop.security.UserGroupInformation
Login and return a UserGroupInformation object.
logKilled(String, String, String, long, String, String) - Static method in class org.apache.hadoop.mapred.JobHistory.MapAttempt
Deprecated. 
logKilled(TaskAttemptID, long, String, String) - Static method in class org.apache.hadoop.mapred.JobHistory.MapAttempt
Log task attempt killed event.
logKilled(String, String, String, long, String, String) - Static method in class org.apache.hadoop.mapred.JobHistory.ReduceAttempt
Deprecated. 
logKilled(TaskAttemptID, long, String, String) - Static method in class org.apache.hadoop.mapred.JobHistory.ReduceAttempt
Log killed reduce task attempt.
LogLevel - Class in org.apache.hadoop.log
Change log level in runtime.
LogLevel() - Constructor for class org.apache.hadoop.log.LogLevel
 
LogLevel.Servlet - Class in org.apache.hadoop.log
A servlet implementation
LogLevel.Servlet() - Constructor for class org.apache.hadoop.log.LogLevel.Servlet
 
logSpec() - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase
 
logStarted(String, long, int, int) - Static method in class org.apache.hadoop.mapred.JobHistory.JobInfo
Deprecated. 
logStarted(JobID, long, int, int) - Static method in class org.apache.hadoop.mapred.JobHistory.JobInfo
Logs launch time of job.
logStarted(String, String, String, long, String) - Static method in class org.apache.hadoop.mapred.JobHistory.MapAttempt
Deprecated. 
logStarted(TaskAttemptID, long, String) - Static method in class org.apache.hadoop.mapred.JobHistory.MapAttempt
Log start time of this map task attempt.
logStarted(String, String, String, long, String) - Static method in class org.apache.hadoop.mapred.JobHistory.ReduceAttempt
Deprecated. 
logStarted(TaskAttemptID, long, String) - Static method in class org.apache.hadoop.mapred.JobHistory.ReduceAttempt
Log start time of Reduce task attempt.
logStarted(String, String, String, long) - Static method in class org.apache.hadoop.mapred.JobHistory.Task
Deprecated. 
logStarted(TaskID, String, long, String) - Static method in class org.apache.hadoop.mapred.JobHistory.Task
Log start time of task (TIP).
logSubmitted(String, JobConf, String, long) - Static method in class org.apache.hadoop.mapred.JobHistory.JobInfo
Deprecated. 
logSubmitted(JobID, JobConf, String, long) - Static method in class org.apache.hadoop.mapred.JobHistory.JobInfo
Log job submitted event to history.
logThreadInfo(Log, String, long) - Static method in class org.apache.hadoop.util.ReflectionUtils
Log the current thread stacks at INFO level.
LONG - Static variable in class org.apache.hadoop.record.meta.TypeID.RIOType
 
LONG_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
LONG_VALUE_MAX - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
LONG_VALUE_MIN - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
LONG_VALUE_SUM - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
LongSumReducer<K> - Class in org.apache.hadoop.mapred.lib
A Reducer that sums long values.
LongSumReducer() - Constructor for class org.apache.hadoop.mapred.lib.LongSumReducer
 
LongTypeID - Static variable in class org.apache.hadoop.record.meta.TypeID
 
LongValueMax - Class in org.apache.hadoop.mapred.lib.aggregate
This class implements a value aggregator that maintain the maximum of a sequence of long values.
LongValueMax() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.LongValueMax
the default constructor
LongValueMin - Class in org.apache.hadoop.mapred.lib.aggregate
This class implements a value aggregator that maintain the minimum of a sequence of long values.
LongValueMin() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.LongValueMin
the default constructor
LongValueSum - Class in org.apache.hadoop.mapred.lib.aggregate
This class implements a value aggregator that sums up a sequence of long values.
LongValueSum() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.LongValueSum
the default constructor
LongWritable - Class in org.apache.hadoop.io
A WritableComparable for longs.
LongWritable() - Constructor for class org.apache.hadoop.io.LongWritable
 
LongWritable(long) - Constructor for class org.apache.hadoop.io.LongWritable
 
LongWritable.Comparator - Class in org.apache.hadoop.io
A Comparator optimized for LongWritable.
LongWritable.Comparator() - Constructor for class org.apache.hadoop.io.LongWritable.Comparator
 
LongWritable.DecreasingComparator - Class in org.apache.hadoop.io
A decreasing Comparator optimized for LongWritable.
LongWritable.DecreasingComparator() - Constructor for class org.apache.hadoop.io.LongWritable.DecreasingComparator
 
LT_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
LuceneUtil - Class in org.apache.hadoop.contrib.index.lucene
This class copies some methods from Lucene's SegmentInfos since that class is not public.
LuceneUtil() - Constructor for class org.apache.hadoop.contrib.index.lucene.LuceneUtil
 
LzoCodec - Class in org.apache.hadoop.io.compress
A CompressionCodec for a streaming lzo compression/decompression pair.
LzoCodec() - Constructor for class org.apache.hadoop.io.compress.LzoCodec
 
LzoCompressor - Class in org.apache.hadoop.io.compress.lzo
A Compressor based on the lzo algorithm.
LzoCompressor(LzoCompressor.CompressionStrategy, int) - Constructor for class org.apache.hadoop.io.compress.lzo.LzoCompressor
Creates a new compressor using the specified LzoCompressor.CompressionStrategy.
LzoCompressor() - Constructor for class org.apache.hadoop.io.compress.lzo.LzoCompressor
Creates a new compressor with the default lzo1x_1 compression.
LzoCompressor.CompressionStrategy - Enum in org.apache.hadoop.io.compress.lzo
The compression algorithm for lzo library.
LzoDecompressor - Class in org.apache.hadoop.io.compress.lzo
A Decompressor based on the lzo algorithm.
LzoDecompressor(LzoDecompressor.CompressionStrategy, int) - Constructor for class org.apache.hadoop.io.compress.lzo.LzoDecompressor
Creates a new lzo decompressor.
LzoDecompressor() - Constructor for class org.apache.hadoop.io.compress.lzo.LzoDecompressor
Creates a new lzo decompressor.
LzoDecompressor.CompressionStrategy - Enum in org.apache.hadoop.io.compress.lzo
 

M

main(String[]) - Static method in class org.apache.hadoop.conf.Configuration
For debugging.
main(String[]) - Static method in class org.apache.hadoop.contrib.index.main.UpdateIndex
The main() method
main(String[]) - Static method in class org.apache.hadoop.contrib.utils.join.DataJoinJob
 
main(String[]) - Static method in class org.apache.hadoop.dfs.Balancer
Run a balancer
main(String[]) - Static method in class org.apache.hadoop.dfs.DataNode
 
main(String[]) - Static method in class org.apache.hadoop.dfs.DFSAdmin
main() has some simple utility methods.
main(String[]) - Static method in class org.apache.hadoop.dfs.DFSck
 
main(String[]) - Static method in class org.apache.hadoop.dfs.NameNode
 
main(String[]) - Static method in class org.apache.hadoop.dfs.SecondaryNameNode
main() has some simple utility methods.
main(String[]) - Static method in class org.apache.hadoop.examples.AggregateWordCount
The main driver for word count map/reduce program.
main(String[]) - Static method in class org.apache.hadoop.examples.AggregateWordHistogram
The main driver for word count map/reduce program.
main(String[]) - Static method in class org.apache.hadoop.examples.dancing.DistributedPentomino
Launch the solver on 9x10 board and the one sided pentominos.
main(String[]) - Static method in class org.apache.hadoop.examples.dancing.OneSidedPentomino
Solve the 3x30 puzzle.
main(String[]) - Static method in class org.apache.hadoop.examples.dancing.Pentomino
Solve the 6x10 pentomino puzzle.
main(String[]) - Static method in class org.apache.hadoop.examples.dancing.Sudoku
Solves a set of sudoku puzzles.
main(String[]) - Static method in class org.apache.hadoop.examples.ExampleDriver
 
main(String[]) - Static method in class org.apache.hadoop.examples.Grep
 
main(String[]) - Static method in class org.apache.hadoop.examples.Join
 
main(String[]) - Static method in class org.apache.hadoop.examples.MultiFileWordCount
 
main(String[]) - Static method in class org.apache.hadoop.examples.PiEstimator
 
main(String[]) - Static method in class org.apache.hadoop.examples.RandomTextWriter
 
main(String[]) - Static method in class org.apache.hadoop.examples.RandomWriter
 
main(String[]) - Static method in class org.apache.hadoop.examples.SleepJob
 
main(String[]) - Static method in class org.apache.hadoop.examples.Sort
 
main(String[]) - Static method in class org.apache.hadoop.examples.WordCount
 
main(String[]) - Static method in class org.apache.hadoop.fs.DF
 
main(String[]) - Static method in class org.apache.hadoop.fs.DU
 
main(String[]) - Static method in class org.apache.hadoop.fs.FsShell
main() has some simple utility methods
main(String[]) - Static method in class org.apache.hadoop.fs.s3.MigrationTool
 
main(String[]) - Static method in class org.apache.hadoop.fs.Trash
Run an emptier.
main(String[]) - Static method in class org.apache.hadoop.io.compress.CompressionCodecFactory
A little test program.
main(String[]) - Static method in class org.apache.hadoop.io.MapFile
 
main(String[]) - Static method in class org.apache.hadoop.log.LogLevel
A command line implementation
main(String[]) - Static method in class org.apache.hadoop.mapred.IsolationRunner
Run a single task
main(String[]) - Static method in class org.apache.hadoop.mapred.JobClient
 
main(String[]) - Static method in class org.apache.hadoop.mapred.JobShell
 
main(String[]) - Static method in class org.apache.hadoop.mapred.JobTracker
Start the JobTracker process.
main(String[]) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
create and run an Aggregate based map/reduce job.
main(String[]) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
Submit a pipes job based on the command line arguments.
main(String[]) - Static method in class org.apache.hadoop.mapred.TaskTracker.Child
 
main(String[]) - Static method in class org.apache.hadoop.mapred.TaskTracker
Start the TaskTracker, point toward the indicated JobTracker
main(String[]) - Static method in class org.apache.hadoop.record.compiler.generated.Rcc
 
main(String[]) - Static method in class org.apache.hadoop.streaming.HadoopStreaming
 
main(String[]) - Static method in class org.apache.hadoop.streaming.JarBuilder
Test program
main(String[]) - Static method in class org.apache.hadoop.streaming.PathFinder
 
main(String[]) - Static method in class org.apache.hadoop.util.PlatformName
 
main(String[]) - Static method in class org.apache.hadoop.util.PrintJarMainClass
 
main(String[]) - Static method in class org.apache.hadoop.util.RunJar
Run a Hadoop job jar.
main(String[]) - Static method in class org.apache.hadoop.util.VersionInfo
 
makeCompactString() - Method in class org.apache.hadoop.mapred.Counters
Convert a counters object into a single line that is easy to parse.
makeJavaCommand(Class, String[]) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
makeLock(String) - Method in class org.apache.hadoop.contrib.index.lucene.FileSystemDirectory
 
makeQualified(Path) - Method in class org.apache.hadoop.fs.FileSystem
Make sure that a path specifies a FileSystem.
makeQualified(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
Make sure that a path specifies a FileSystem.
makeQualified(Path) - Method in class org.apache.hadoop.fs.HarFileSystem
 
makeQualified(FileSystem) - Method in class org.apache.hadoop.fs.Path
Returns a qualified path object.
makeRelative(URI, Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
 
makeShellPath(String) - Static method in class org.apache.hadoop.fs.FileUtil
Convert a os-native filename to a path that works for the shell.
makeShellPath(File) - Static method in class org.apache.hadoop.fs.FileUtil
Convert a os-native filename to a path that works for the shell.
map(DocumentID, DocumentAndOp, OutputCollector<DocumentID, DocumentAndOp>, Reporter) - Method in class org.apache.hadoop.contrib.index.example.IdentityLocalAnalysis
 
map(DocumentID, LineDocTextAndOp, OutputCollector<DocumentID, DocumentAndOp>, Reporter) - Method in class org.apache.hadoop.contrib.index.example.LineDocLocalAnalysis
 
map(K, V, OutputCollector<Shard, IntermediateForm>, Reporter) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateMapper
Map a key-value pair to a shard-and-intermediate form pair.
map(Object, Object, OutputCollector, Reporter) - Method in class org.apache.hadoop.contrib.utils.join.DataJoinMapperBase
 
map(Object, Object, OutputCollector, Reporter) - Method in class org.apache.hadoop.contrib.utils.join.DataJoinReducerBase
 
map(WritableComparable, Text, OutputCollector<Text, Text>, Reporter) - Method in class org.apache.hadoop.examples.dancing.DistributedPentomino.PentMap
Break the prefix string into moves (a sequence of integer row ids that will be selected for each column in order).
map(MultiFileWordCount.WordOffset, Text, OutputCollector<Text, IntWritable>, Reporter) - Method in class org.apache.hadoop.examples.MultiFileWordCount.MapClass
 
map(LongWritable, Writable, OutputCollector<LongWritable, LongWritable>, Reporter) - Method in class org.apache.hadoop.examples.PiEstimator.PiMapper
Map method.
map(IntWritable, IntWritable, OutputCollector<IntWritable, IntWritable>, Reporter) - Method in class org.apache.hadoop.examples.SleepJob
 
map(LongWritable, Text, OutputCollector<Text, IntWritable>, Reporter) - Method in class org.apache.hadoop.examples.WordCount.MapClass
 
map(K1, V1, OutputCollector<Text, Text>, Reporter) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorCombiner
Do nothing.
map(K1, V1, OutputCollector<Text, Text>, Reporter) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorMapper
the map function.
map(K1, V1, OutputCollector<Text, Text>, Reporter) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorReducer
Do nothing.
map(K, V, OutputCollector<Text, Text>, Reporter) - Method in class org.apache.hadoop.mapred.lib.FieldSelectionMapReduce
The identify function.
map(K, V, OutputCollector<K, V>, Reporter) - Method in class org.apache.hadoop.mapred.lib.IdentityMapper
The identify function.
map(K, V, OutputCollector<V, K>, Reporter) - Method in class org.apache.hadoop.mapred.lib.InverseMapper
The inverse function.
map(K, Text, OutputCollector<Text, LongWritable>, Reporter) - Method in class org.apache.hadoop.mapred.lib.RegexMapper
 
map(K, Text, OutputCollector<Text, LongWritable>, Reporter) - Method in class org.apache.hadoop.mapred.lib.TokenCountMapper
 
map(K1, V1, OutputCollector<K2, V2>, Reporter) - Method in interface org.apache.hadoop.mapred.Mapper
Maps a single input key/value pair into an intermediate key/value pair.
Map() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
MAP - Static variable in class org.apache.hadoop.record.meta.TypeID.RIOType
 
map(Object, Object, OutputCollector, Reporter) - Method in class org.apache.hadoop.streaming.PipeMapper
 
MAP_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
mapCmd_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
mapDebugSpec_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
MapFile - Class in org.apache.hadoop.io
A file-based map from keys to values.
MapFile() - Constructor for class org.apache.hadoop.io.MapFile
 
MapFile.Reader - Class in org.apache.hadoop.io
Provide access to an existing map.
MapFile.Reader(FileSystem, String, Configuration) - Constructor for class org.apache.hadoop.io.MapFile.Reader
Construct a map reader for the named map.
MapFile.Reader(FileSystem, String, WritableComparator, Configuration) - Constructor for class org.apache.hadoop.io.MapFile.Reader
Construct a map reader for the named map using the named comparator.
MapFile.Reader(FileSystem, String, WritableComparator, Configuration, boolean) - Constructor for class org.apache.hadoop.io.MapFile.Reader
Hook to allow subclasses to defer opening streams until further initialization is complete.
MapFile.Writer - Class in org.apache.hadoop.io
Writes a new map.
MapFile.Writer(Configuration, FileSystem, String, Class, Class) - Constructor for class org.apache.hadoop.io.MapFile.Writer
Create the named map for keys of the named class.
MapFile.Writer(Configuration, FileSystem, String, Class, Class, SequenceFile.CompressionType, Progressable) - Constructor for class org.apache.hadoop.io.MapFile.Writer
Create the named map for keys of the named class.
MapFile.Writer(Configuration, FileSystem, String, Class, Class, SequenceFile.CompressionType, CompressionCodec, Progressable) - Constructor for class org.apache.hadoop.io.MapFile.Writer
Create the named map for keys of the named class.
MapFile.Writer(Configuration, FileSystem, String, Class, Class, SequenceFile.CompressionType) - Constructor for class org.apache.hadoop.io.MapFile.Writer
Create the named map for keys of the named class.
MapFile.Writer(Configuration, FileSystem, String, WritableComparator, Class) - Constructor for class org.apache.hadoop.io.MapFile.Writer
Create the named map using the named key comparator.
MapFile.Writer(Configuration, FileSystem, String, WritableComparator, Class, SequenceFile.CompressionType) - Constructor for class org.apache.hadoop.io.MapFile.Writer
Create the named map using the named key comparator.
MapFile.Writer(Configuration, FileSystem, String, WritableComparator, Class, SequenceFile.CompressionType, Progressable) - Constructor for class org.apache.hadoop.io.MapFile.Writer
Create the named map using the named key comparator.
MapFile.Writer(Configuration, FileSystem, String, WritableComparator, Class, SequenceFile.CompressionType, CompressionCodec, Progressable) - Constructor for class org.apache.hadoop.io.MapFile.Writer
Create the named map using the named key comparator.
MapFileOutputFormat - Class in org.apache.hadoop.mapred
An OutputFormat that writes MapFiles.
MapFileOutputFormat() - Constructor for class org.apache.hadoop.mapred.MapFileOutputFormat
 
mapOutputFieldSeparator - Variable in class org.apache.hadoop.streaming.PipeMapRed
 
mapOutputLost(String, String) - Method in class org.apache.hadoop.mapred.TaskTracker
Deprecated. 
mapOutputLost(TaskAttemptID, String) - Method in class org.apache.hadoop.mapred.TaskTracker
A completed map task's output has been lost.
Mapper<K1,V1,K2,V2> - Interface in org.apache.hadoop.mapred
Maps input key/value pairs to a set of intermediate key/value pairs.
mapProgress() - Method in class org.apache.hadoop.mapred.JobStatus
 
mapProgress() - Method in interface org.apache.hadoop.mapred.RunningJob
Get the progress of the job's map-tasks, as a float between 0.0 and 1.0.
mapRedFinished() - Method in class org.apache.hadoop.streaming.PipeMapRed
 
MapReduceBase - Class in org.apache.hadoop.mapred
Base class for Mapper and Reducer implementations.
MapReduceBase() - Constructor for class org.apache.hadoop.mapred.MapReduceBase
 
MapRunnable<K1,V1,K2,V2> - Interface in org.apache.hadoop.mapred
Expert: Generic interface for Mappers.
MapRunner<K1,V1,K2,V2> - Class in org.apache.hadoop.mapred
Default MapRunnable implementation.
MapRunner() - Constructor for class org.apache.hadoop.mapred.MapRunner
 
MapTypeID - Class in org.apache.hadoop.record.meta
Represents typeID for a Map
MapTypeID(TypeID, TypeID) - Constructor for class org.apache.hadoop.record.meta.MapTypeID
 
MapWritable - Class in org.apache.hadoop.io
A Writable Map.
MapWritable() - Constructor for class org.apache.hadoop.io.MapWritable
Default constructor.
MapWritable(MapWritable) - Constructor for class org.apache.hadoop.io.MapWritable
Copy constructor.
mark(int) - Method in class org.apache.hadoop.fs.FSInputChecker
 
mark(int) - Method in class org.apache.hadoop.fs.ftp.FTPInputStream
 
markSupported() - Method in class org.apache.hadoop.fs.FSInputChecker
 
markSupported() - Method in class org.apache.hadoop.fs.ftp.FTPInputStream
 
matches(String) - Static method in class org.apache.hadoop.fs.shell.Count
Check if a command is the count command
MAX_PATH_DEPTH - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
MAX_PATH_LENGTH - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
maxNextCharInd - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
mayExit_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
MBeanUtil - Class in org.apache.hadoop.metrics.util
This util class provides a method to register an MBean using our standard naming convention as described in the doc for {link MBeanUtil.registerMBean(String, String, Object)
MBeanUtil() - Constructor for class org.apache.hadoop.metrics.util.MBeanUtil
 
MD5_LEN - Static variable in class org.apache.hadoop.io.MD5Hash
 
MD5_LEN - Static variable in class org.apache.hadoop.mapred.SequenceFileInputFilter.MD5Filter
 
MD5Hash - Class in org.apache.hadoop.io
A Writable for MD5 hash values.
MD5Hash() - Constructor for class org.apache.hadoop.io.MD5Hash
Constructs an MD5Hash.
MD5Hash(String) - Constructor for class org.apache.hadoop.io.MD5Hash
Constructs an MD5Hash from a hex string.
MD5Hash(byte[]) - Constructor for class org.apache.hadoop.io.MD5Hash
Constructs an MD5Hash with a specified value.
MD5Hash.Comparator - Class in org.apache.hadoop.io
A WritableComparator optimized for MD5Hash keys.
MD5Hash.Comparator() - Constructor for class org.apache.hadoop.io.MD5Hash.Comparator
 
merge(List<SequenceFile.Sorter.SegmentDescriptor>, Path) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Merges the list of segments of type SegmentDescriptor
merge(Path[], boolean, Path) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Merges the contents of files passed in Path[] using a max factor value that is already set
merge(Path[], boolean, int, Path) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Merges the contents of files passed in Path[]
merge(Path[], Path, boolean) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Merges the contents of files passed in Path[]
merge(Path[], Path) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Merge the provided files.
merge(List, List, String) - Method in class org.apache.hadoop.streaming.JarBuilder
 
MergeSort - Class in org.apache.hadoop.util
An implementation of the core algorithm of MergeSort.
MergeSort(Comparator<IntWritable>) - Constructor for class org.apache.hadoop.util.MergeSort
 
mergeSort(int[], int[], int, int) - Method in class org.apache.hadoop.util.MergeSort
 
metaFileExists(Block) - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Does the meta file exist for this block?
metaSave(String) - Method in class org.apache.hadoop.dfs.ChecksumDistributedFileSystem
 
metaSave(String[], int) - Method in class org.apache.hadoop.dfs.DFSAdmin
Dumps DFS data structures into specified file.
metaSave(String) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
metaSave(String) - Method in class org.apache.hadoop.dfs.NameNode
Dumps namenode state into specified file
MetricsContext - Interface in org.apache.hadoop.metrics
The main interface to the metrics package.
MetricsException - Exception in org.apache.hadoop.metrics
General-purpose, unchecked metrics exception.
MetricsException() - Constructor for exception org.apache.hadoop.metrics.MetricsException
Creates a new instance of MetricsException
MetricsException(String) - Constructor for exception org.apache.hadoop.metrics.MetricsException
Creates a new instance of MetricsException
MetricsIntValue - Class in org.apache.hadoop.metrics.util
The MetricsIntValue class is for a metric that is not time varied but changes only when it is set.
MetricsIntValue(String) - Constructor for class org.apache.hadoop.metrics.util.MetricsIntValue
Constructor - create a new metric
metricsList - Variable in class org.apache.hadoop.ipc.metrics.RpcMetrics
 
MetricsLongValue - Class in org.apache.hadoop.metrics.util
The MetricsLongValue class is for a metric that is not time varied but changes only when it is set.
MetricsLongValue(String) - Constructor for class org.apache.hadoop.metrics.util.MetricsLongValue
Constructor - create a new metric
MetricsRecord - Interface in org.apache.hadoop.metrics
A named and optionally tagged set of records to be sent to the metrics system.
MetricsRecordImpl - Class in org.apache.hadoop.metrics.spi
An implementation of MetricsRecord.
MetricsRecordImpl(String, AbstractMetricsContext) - Constructor for class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Creates a new instance of FileRecord
MetricsTimeVaryingInt - Class in org.apache.hadoop.metrics.util
The MetricsTimeVaryingInt class is for a metric that naturally varies over time (e.g.
MetricsTimeVaryingInt(String) - Constructor for class org.apache.hadoop.metrics.util.MetricsTimeVaryingInt
Constructor - create a new metric
MetricsTimeVaryingRate - Class in org.apache.hadoop.metrics.util
The MetricsTimeVaryingRate class is for a rate based metric that naturally varies over time (e.g.
MetricsTimeVaryingRate(String) - Constructor for class org.apache.hadoop.metrics.util.MetricsTimeVaryingRate
Constructor - create a new metric
MetricsUtil - Class in org.apache.hadoop.metrics
Utility class to simplify creation and reporting of hadoop metrics.
MetricValue - Class in org.apache.hadoop.metrics.spi
A Number that is either an absolute or an incremental amount.
MetricValue(Number, boolean) - Constructor for class org.apache.hadoop.metrics.spi.MetricValue
Creates a new instance of MetricValue
midKey() - Method in class org.apache.hadoop.io.MapFile.Reader
Get the key at approximately the middle of the file.
MigrationTool - Class in org.apache.hadoop.fs.s3
This class is a tool for migrating data from an older to a newer version of an S3 filesystem.
MigrationTool() - Constructor for class org.apache.hadoop.fs.s3.MigrationTool
 
MIN_BLOCKS_FOR_WRITE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
minRecWrittenToEnableSkip_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.dfs.HftpFileSystem
 
mkdirs(String, FsPermission) - Method in class org.apache.hadoop.dfs.NameNode
Create a directory (or hierarchy of directories) with the given name and permission.
mkdirs(Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
mkdirs(FileSystem, Path, FsPermission) - Static method in class org.apache.hadoop.fs.FileSystem
create a directory with the provided permission The permission of the directory is set to be the provided permission as in setPermission, not permission&~umask
mkdirs(Path) - Method in class org.apache.hadoop.fs.FileSystem
Call FileSystem.mkdirs(Path, FsPermission) with default permission.
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.FileSystem
Make the given file and all non-existent parents into directories.
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.FilterFileSystem
Make the given file and all non-existent parents into directories.
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.HarFileSystem
not implemented.
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
mkdirs(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
Creates the specified directory hierarchy.
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
Make the given file and all non-existent parents into directories.
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.s3.S3FileSystem
 
mkdirs(Path, FsPermission) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
 
mkdirsWithExistsCheck(File) - Static method in class org.apache.hadoop.util.DiskChecker
The semantics of mkdirsWithExistsCheck method is different from the mkdirs method provided in the Sun's java.io.File class in the following way: While creating the non-existent parent directories, this method checks for the existence of those directories if the mkdir fails at any point (since that directory might have just been created by some other process).
modifFmt - Static variable in class org.apache.hadoop.fs.FsShell
 
Module() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
MODULE_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
ModuleName() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
moveFromLocalFile(Path[], Path) - Method in class org.apache.hadoop.fs.FileSystem
The src files is on the local disk.
moveFromLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
The src file is on the local disk.
moveFromLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
moveToLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
The src file is under FS, and the dst is on the local disk.
moveToTrash(Path) - Method in class org.apache.hadoop.fs.Trash
Move a file or directory to the current trash directory.
msg(String) - Method in class org.apache.hadoop.streaming.StreamJob
 
MultiFileInputFormat<K,V> - Class in org.apache.hadoop.mapred
An abstract InputFormat that returns MultiFileSplit's in MultiFileInputFormat.getSplits(JobConf, int) method.
MultiFileInputFormat() - Constructor for class org.apache.hadoop.mapred.MultiFileInputFormat
 
MultiFileSplit - Class in org.apache.hadoop.mapred
A sub-collection of input files.
MultiFileSplit(JobConf, Path[], long[]) - Constructor for class org.apache.hadoop.mapred.MultiFileSplit
 
MultiFileWordCount - Class in org.apache.hadoop.examples
MultiFileWordCount is an example to demonstrate the usage of MultiFileInputFormat.
MultiFileWordCount() - Constructor for class org.apache.hadoop.examples.MultiFileWordCount
 
MultiFileWordCount.MapClass - Class in org.apache.hadoop.examples
This Mapper is similar to the one in WordCount.MapClass.
MultiFileWordCount.MapClass() - Constructor for class org.apache.hadoop.examples.MultiFileWordCount.MapClass
 
MultiFileWordCount.MultiFileLineRecordReader - Class in org.apache.hadoop.examples
RecordReader is responsible from extracting records from the InputSplit.
MultiFileWordCount.MultiFileLineRecordReader(Configuration, MultiFileSplit) - Constructor for class org.apache.hadoop.examples.MultiFileWordCount.MultiFileLineRecordReader
 
MultiFileWordCount.MyInputFormat - Class in org.apache.hadoop.examples
To use MultiFileInputFormat, one should extend it, to return a (custom) RecordReader.
MultiFileWordCount.MyInputFormat() - Constructor for class org.apache.hadoop.examples.MultiFileWordCount.MyInputFormat
 
MultiFileWordCount.WordOffset - Class in org.apache.hadoop.examples
This record keeps <filename,offset> pairs.
MultiFileWordCount.WordOffset() - Constructor for class org.apache.hadoop.examples.MultiFileWordCount.WordOffset
 
MultiFilterRecordReader<K extends WritableComparable,V extends Writable> - Class in org.apache.hadoop.mapred.join
Base class for Composite join returning values derived from multiple sources, but generally not tuples.
MultiFilterRecordReader(int, JobConf, int, Class<? extends WritableComparator>) - Constructor for class org.apache.hadoop.mapred.join.MultiFilterRecordReader
 
MultiFilterRecordReader.MultiFilterDelegationIterator - Class in org.apache.hadoop.mapred.join
Proxy the JoinCollector, but include callback to emit.
MultiFilterRecordReader.MultiFilterDelegationIterator() - Constructor for class org.apache.hadoop.mapred.join.MultiFilterRecordReader.MultiFilterDelegationIterator
 
MultipleIOException - Exception in org.apache.hadoop.io
Encapsulate a list of IOException into an IOException
MultipleOutputFormat<K,V> - Class in org.apache.hadoop.mapred.lib
This abstract class extends the OutputFormatBase, allowing to write the output data to different output files.
MultipleOutputFormat() - Constructor for class org.apache.hadoop.mapred.lib.MultipleOutputFormat
 
MultipleSequenceFileOutputFormat<K,V> - Class in org.apache.hadoop.mapred.lib
This class extends the MultipleOutputFormat, allowing to write the output data to different output files in sequence file output format.
MultipleSequenceFileOutputFormat() - Constructor for class org.apache.hadoop.mapred.lib.MultipleSequenceFileOutputFormat
 
MultipleTextOutputFormat<K,V> - Class in org.apache.hadoop.mapred.lib
This class extends the MultipleOutputFormat, allowing to write the output data to different output files in Text output format.
MultipleTextOutputFormat() - Constructor for class org.apache.hadoop.mapred.lib.MultipleTextOutputFormat
 
MultithreadedMapRunner<K1,V1,K2,V2> - Class in org.apache.hadoop.mapred.lib
Multithreaded implementation for @link org.apache.hadoop.mapred.MapRunnable.
MultithreadedMapRunner() - Constructor for class org.apache.hadoop.mapred.lib.MultithreadedMapRunner
 

N

name - Variable in class org.apache.hadoop.dfs.DatanodeID
 
NAME - Static variable in class org.apache.hadoop.fs.shell.Count
 
name - Variable in class org.apache.hadoop.net.NodeBase
 
NameNode - Class in org.apache.hadoop.dfs
NameNode serves as both directory namespace manager and "inode table" for the Hadoop DFS.
NameNode(Configuration) - Constructor for class org.apache.hadoop.dfs.NameNode
Start NameNode.
NameNode(String, Configuration) - Constructor for class org.apache.hadoop.dfs.NameNode
Create a NameNode at the specified location and start it.
NamenodeFsck - Class in org.apache.hadoop.dfs
This class provides rudimentary checking of DFS volumes for errors and sub-optimal conditions.
NamenodeFsck(Configuration, NameNode, Map<String, String[]>, HttpServletResponse) - Constructor for class org.apache.hadoop.dfs.NamenodeFsck
Filesystem checker.
NamenodeFsck.FsckResult - Class in org.apache.hadoop.dfs
FsckResult of checking, plus overall DFS statistics.
NamenodeFsck.FsckResult() - Constructor for class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
 
NameNodeMetrics - Class in org.apache.hadoop.dfs
This class is for maintaining the various NameNode statistics and publishing them through the metrics interfaces.
NameNodeStatistics - Class in org.apache.hadoop.dfs.namenode.metrics
This is the implementation of the Name Node JMX MBean
NameNodeStatistics(NameNodeMetrics) - Constructor for class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
This constructs and registers the NameNodeStatisticsMBean
NameNodeStatisticsMBean - Interface in org.apache.hadoop.dfs.namenode.metrics
This is the JMX management interface for getting runtime statistics of the name node.
NativeCodeLoader - Class in org.apache.hadoop.util
A helper to load the native hadoop code i.e.
NativeCodeLoader() - Constructor for class org.apache.hadoop.util.NativeCodeLoader
 
NativeS3FileSystem - Class in org.apache.hadoop.fs.s3native
A FileSystem for reading and writing files stored on Amazon S3.
NativeS3FileSystem() - Constructor for class org.apache.hadoop.fs.s3native.NativeS3FileSystem
 
NativeS3FileSystem(NativeFileSystemStore) - Constructor for class org.apache.hadoop.fs.s3native.NativeS3FileSystem
 
needChecksum() - Method in class org.apache.hadoop.fs.FSInputChecker
Return true if there is a need for checksum verification
needsDictionary() - Method in interface org.apache.hadoop.io.compress.Decompressor
Returns true if a preset dictionary is needed for decompression.
needsDictionary() - Method in class org.apache.hadoop.io.compress.lzo.LzoDecompressor
 
needsDictionary() - Method in class org.apache.hadoop.io.compress.zlib.ZlibDecompressor
 
needsInput() - Method in interface org.apache.hadoop.io.compress.Compressor
Returns true if the input data buffer is empty and #setInput() should be called to provide more input.
needsInput() - Method in interface org.apache.hadoop.io.compress.Decompressor
Returns true if the input data buffer is empty and #setInput() should be called to provide more input.
needsInput() - Method in class org.apache.hadoop.io.compress.lzo.LzoCompressor
Returns true if the input data buffer is empty and #setInput() should be called to provide more input.
needsInput() - Method in class org.apache.hadoop.io.compress.lzo.LzoDecompressor
 
needsInput() - Method in class org.apache.hadoop.io.compress.zlib.ZlibCompressor
 
needsInput() - Method in class org.apache.hadoop.io.compress.zlib.ZlibDecompressor
 
NetUtils - Class in org.apache.hadoop.net
 
NetUtils() - Constructor for class org.apache.hadoop.net.NetUtils
 
NetworkTopology - Class in org.apache.hadoop.net
The class represents a cluster of computer with a tree hierarchical network topology.
NetworkTopology() - Constructor for class org.apache.hadoop.net.NetworkTopology
 
newDataChecksum(int, int) - Static method in class org.apache.hadoop.dfs.DataChecksum
 
newDataChecksum(byte[], int) - Static method in class org.apache.hadoop.dfs.DataChecksum
Creates a DataChecksum from HEADER_LEN bytes from arr[offset].
newDataChecksum(DataInputStream) - Static method in class org.apache.hadoop.dfs.DataChecksum
This constructucts a DataChecksum by reading HEADER_LEN bytes from input stream in
newInstance(Class, Configuration) - Static method in class org.apache.hadoop.io.WritableFactories
Create a new instance of a class with a defined factory.
newInstance(Class) - Static method in class org.apache.hadoop.io.WritableFactories
Create a new instance of a class with a defined factory.
newInstance() - Method in interface org.apache.hadoop.io.WritableFactory
Return a new instance.
newInstance(Class<?>, Configuration) - Static method in class org.apache.hadoop.util.ReflectionUtils
Create an object for the given class and initialize it from conf
newKey() - Method in class org.apache.hadoop.io.WritableComparator
Construct a new WritableComparable instance.
newRecord(String) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Subclasses should override this if they subclass MetricsRecordImpl.
newToken(int) - Static method in class org.apache.hadoop.record.compiler.generated.Token
Returns a new Token object, by default.
next(DocumentID, LineDocTextAndOp) - Method in class org.apache.hadoop.contrib.index.example.LineDocRecordReader
 
next() - Method in class org.apache.hadoop.contrib.utils.join.ArrayListBackedIterator
 
next(MultiFileWordCount.WordOffset, Text) - Method in class org.apache.hadoop.examples.MultiFileWordCount.MultiFileLineRecordReader
 
next(Writable) - Method in class org.apache.hadoop.io.ArrayFile.Reader
Read and return the next value in the file.
next(WritableComparable, Writable) - Method in class org.apache.hadoop.io.MapFile.Reader
Read the next key/value pair in the map into key and val.
next(Writable) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Read the next key in the file into key, skipping its value.
next(Writable, Writable) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Read the next key/value pair in the file into key and val.
next(DataOutputBuffer) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Deprecated. Call SequenceFile.Reader.nextRaw(DataOutputBuffer,SequenceFile.ValueBytes).
next(Object) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Read the next key in the file, skipping its value.
next() - Method in interface org.apache.hadoop.io.SequenceFile.Sorter.RawKeyValueIterator
Sets up the current key and value (for getKey and getValue)
next(WritableComparable) - Method in class org.apache.hadoop.io.SetFile.Reader
Read the next key in a set into key.
next(X) - Method in class org.apache.hadoop.mapred.join.ArrayListBackedIterator
 
next(TupleWritable) - Method in class org.apache.hadoop.mapred.join.JoinRecordReader.JoinDelegationIterator
 
next(K, TupleWritable) - Method in class org.apache.hadoop.mapred.join.JoinRecordReader
Emit the next set of key, value pairs as defined by the child RecordReaders and operation associated with this composite RR.
next(V) - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader.MultiFilterDelegationIterator
 
next(K, V) - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader
Reads the next key/value pair from the input for processing.
next(U) - Method in class org.apache.hadoop.mapred.join.ResetableIterator.EMPTY
 
next(T) - Method in interface org.apache.hadoop.mapred.join.ResetableIterator
Assign next value to actual.
next(X) - Method in class org.apache.hadoop.mapred.join.StreamBackedIterator
 
next() - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
Read the next k,v pair into the head of this object; return true iff the RR and this are exhausted.
next(K, U) - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
Write key-value pair at the head of this stream to the objects provided; get next key-value pair from proxied RR.
next(Text, Text) - Method in class org.apache.hadoop.mapred.KeyValueLineRecordReader
Read key/value pair in a line.
next(LongWritable, Text) - Method in class org.apache.hadoop.mapred.LineRecordReader
Read a line.
next(K, V) - Method in interface org.apache.hadoop.mapred.RecordReader
Reads the next key/value pair from the input for processing.
next(BytesWritable, BytesWritable) - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader
Read raw bytes from a SequenceFile.
next(Text, Text) - Method in class org.apache.hadoop.mapred.SequenceFileAsTextRecordReader
Read key/value pair in a line.
next(K, V) - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
next(K) - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
next - Variable in class org.apache.hadoop.record.compiler.generated.Token
A reference to the next regular (non-special) token from the input stream.
next(Text, Text) - Method in class org.apache.hadoop.streaming.StreamBaseRecordReader
Read a record.
next(Text, Text) - Method in class org.apache.hadoop.streaming.StreamXmlRecordReader
 
nextGenerationStamp(Block) - Method in class org.apache.hadoop.dfs.NameNode
nextRaw(DataOutputBuffer, SequenceFile.ValueBytes) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Read 'raw' records.
nextRawKey(DataOutputBuffer) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Read 'raw' keys.
nextRawKey() - Method in class org.apache.hadoop.io.SequenceFile.Sorter.SegmentDescriptor
Fills up the rawKey object with the key returned by the Reader
nextRawValue(SequenceFile.ValueBytes) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Read 'raw' values.
nextRawValue(SequenceFile.ValueBytes) - Method in class org.apache.hadoop.io.SequenceFile.Sorter.SegmentDescriptor
Fills up the passed rawValue with the value corresponding to the key read earlier
NLineInputFormat - Class in org.apache.hadoop.mapred.lib
NLineInputFormat which splits N lines of input as one split.
NLineInputFormat() - Constructor for class org.apache.hadoop.mapred.lib.NLineInputFormat
 
nnAddr - Variable in class org.apache.hadoop.dfs.HftpFileSystem
 
NO_MOVE_BLOCK - Static variable in class org.apache.hadoop.dfs.Balancer
 
NO_MOVE_PROGRESS - Static variable in class org.apache.hadoop.dfs.Balancer
 
Node - Interface in org.apache.hadoop.net
The interface defines a node in a network topology.
NodeBase - Class in org.apache.hadoop.net
A base class that implements interface Node
NodeBase() - Constructor for class org.apache.hadoop.net.NodeBase
Default constructor
NodeBase(String) - Constructor for class org.apache.hadoop.net.NodeBase
Construct a node from its path
NodeBase(String, String) - Constructor for class org.apache.hadoop.net.NodeBase
Construct a node from its name and its location
NodeBase(String, String, Node, int) - Constructor for class org.apache.hadoop.net.NodeBase
Construct a node from its name and its location
normalize(String) - Static method in class org.apache.hadoop.net.NodeBase
Normalize a path
normalizePath(String) - Static method in class org.apache.hadoop.contrib.index.mapred.Shard
 
not() - Method in enum org.apache.hadoop.fs.permission.FsAction
NOT operation.
NotReplicatedYetException - Exception in org.apache.hadoop.dfs
The file has not finished being written to enough datanodes yet.
NotReplicatedYetException(String) - Constructor for exception org.apache.hadoop.dfs.NotReplicatedYetException
 
NULL - Static variable in interface org.apache.hadoop.mapred.Reporter
A constant of Reporter type that does nothing.
NullContext - Class in org.apache.hadoop.metrics.spi
Null metrics context: a metrics context which does nothing.
NullContext() - Constructor for class org.apache.hadoop.metrics.spi.NullContext
Creates a new instance of NullContext
NullContextWithUpdateThread - Class in org.apache.hadoop.metrics.spi
A null context which has a thread calling periodically when monitoring is started.
NullContextWithUpdateThread() - Constructor for class org.apache.hadoop.metrics.spi.NullContextWithUpdateThread
Creates a new instance of NullContextWithUpdateThread
NullOutputFormat<K,V> - Class in org.apache.hadoop.mapred.lib
Consume all outputs and put them in /dev/null.
NullOutputFormat() - Constructor for class org.apache.hadoop.mapred.lib.NullOutputFormat
 
NullWritable - Class in org.apache.hadoop.io
Singleton Writable with no data.
NullWritable.Comparator - Class in org.apache.hadoop.io
A Comparator "optimized" for NullWritable.
NullWritable.Comparator() - Constructor for class org.apache.hadoop.io.NullWritable.Comparator
 
NUM_OF_VALUES_FIELD - Static variable in class org.apache.hadoop.contrib.utils.join.DataJoinReducerBase
 
numAddBlockOps - Variable in class org.apache.hadoop.dfs.NameNodeMetrics
 
numBlocksCorrupted - Variable in class org.apache.hadoop.dfs.NameNodeMetrics
 
numCreateFileOps - Variable in class org.apache.hadoop.dfs.NameNodeMetrics
 
numDeadDataNodes() - Method in interface org.apache.hadoop.dfs.namenode.metrics.FSNamesystemMBean
Number of dead data nodes
numDeleteFileOps - Variable in class org.apache.hadoop.dfs.NameNodeMetrics
 
numFilesCreated - Variable in class org.apache.hadoop.dfs.NameNodeMetrics
 
numFilesRenamed - Variable in class org.apache.hadoop.dfs.NameNodeMetrics
 
numGetBlockLocations - Variable in class org.apache.hadoop.dfs.NameNodeMetrics
 
numGetListingOps - Variable in class org.apache.hadoop.dfs.NameNodeMetrics
 
numLiveDataNodes() - Method in interface org.apache.hadoop.dfs.namenode.metrics.FSNamesystemMBean
Number of Live data nodes
numOfMapOutputKeyFields - Variable in class org.apache.hadoop.streaming.PipeMapRed
 
numOfMapOutputPartitionFields - Variable in class org.apache.hadoop.streaming.PipeMapRed
 
numOfReduceOutputKeyFields - Variable in class org.apache.hadoop.streaming.PipeMapRed
 
numOfValues - Variable in class org.apache.hadoop.contrib.utils.join.DataJoinReducerBase
 
numReduceTasksSpec_ - Variable in class org.apache.hadoop.streaming.StreamJob
 

O

ObjectWritable - Class in org.apache.hadoop.io
A polymorphic Writable that writes an instance with it's class name.
ObjectWritable() - Constructor for class org.apache.hadoop.io.ObjectWritable
 
ObjectWritable(Object) - Constructor for class org.apache.hadoop.io.ObjectWritable
 
ObjectWritable(Class, Object) - Constructor for class org.apache.hadoop.io.ObjectWritable
 
offerService() - Method in class org.apache.hadoop.dfs.DataNode
Main loop for the DataNode.
offerService() - Method in class org.apache.hadoop.mapred.JobTracker
Run forever
ONE - Static variable in interface org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorDescriptor
 
oneRotation - Static variable in class org.apache.hadoop.examples.dancing.Pentomino
Is the piece fixed under rotation?
OneSidedPentomino - Class in org.apache.hadoop.examples.dancing
Of the "normal" 12 pentominos, 6 of them have distinct shapes when flipped.
OneSidedPentomino() - Constructor for class org.apache.hadoop.examples.dancing.OneSidedPentomino
 
OneSidedPentomino(int, int) - Constructor for class org.apache.hadoop.examples.dancing.OneSidedPentomino
 
OP_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_BLOCKRECEIVED - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_BLOCKREPORT - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_ABANDONBLOCK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_ABANDONBLOCK_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_ADDBLOCK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_ADDBLOCK_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_COMPLETEFILE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_COMPLETEFILE_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_DATANODE_HINTS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_DATANODE_HINTS_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_DATANODEREPORT - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_DATANODEREPORT_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_DELETE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_DELETE_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_EXISTS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_EXISTS_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_ISDIR - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_ISDIR_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_LISTING - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_LISTING_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_MKDIRS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_MKDIRS_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_OBTAINLOCK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_OBTAINLOCK_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_OPEN - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_OPEN_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RAWSTATS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RAWSTATS_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RELEASELOCK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RELEASELOCK_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RENAMETO - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RENAMETO_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RENEW_LEASE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RENEW_LEASE_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_STARTFILE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_STARTFILE_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_TRYAGAIN - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_COPY_BLOCK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_ERROR - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_FAILURE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_HEARTBEAT - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_INVALIDATE_BLOCKS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_READ_BLOCK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_READ_METADATA - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_REPLACE_BLOCK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_STATUS_CHECKSUM_OK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_STATUS_ERROR - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_STATUS_ERROR_CHECKSUM - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_STATUS_ERROR_EXISTS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_STATUS_ERROR_INVALID - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_STATUS_SUCCESS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_TRANSFERBLOCKS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_TRANSFERDATA - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_WRITE_BLOCK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
open(Path, int) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
open(Path, int) - Method in class org.apache.hadoop.dfs.HftpFileSystem
 
open(Path, int) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
Opens an FSDataInputStream at the indicated Path.
open(Path, int) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataInputStream at the indicated Path.
open(Path) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataInputStream at the indicated Path.
open(Path, int) - Method in class org.apache.hadoop.fs.FilterFileSystem
Opens an FSDataInputStream at the indicated Path.
open(Path, int) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
open(Path, int) - Method in class org.apache.hadoop.fs.HarFileSystem
Returns a har input stream which fakes end of file.
open(Path, int) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
open(Path, int) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
open(Path, int) - Method in class org.apache.hadoop.fs.s3.S3FileSystem
 
open(Path, int) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
 
open(FileSystem, String, WritableComparator, Configuration) - Method in class org.apache.hadoop.io.MapFile.Reader
 
open(InputStream) - Method in interface org.apache.hadoop.io.serializer.Deserializer
Prepare the deserializer for reading.
open(OutputStream) - Method in interface org.apache.hadoop.io.serializer.Serializer
Prepare the serializer for writing.
openConnection(String, String) - Method in class org.apache.hadoop.dfs.HftpFileSystem
Open an HTTP connection to the namenode to read file data and metadata.
openConnection(String, String) - Method in class org.apache.hadoop.dfs.HsftpFileSystem
 
openFile(FileSystem, Path, int, long) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Override this method to specialize the type of FSDataInputStream returned.
openInput(String) - Method in class org.apache.hadoop.contrib.index.lucene.FileSystemDirectory
 
openInput(String, int) - Method in class org.apache.hadoop.contrib.index.lucene.FileSystemDirectory
 
OPERATION_FAILED - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
or(FsAction) - Method in enum org.apache.hadoop.fs.permission.FsAction
OR operation.
org.apache.hadoop - package org.apache.hadoop
 
org.apache.hadoop.conf - package org.apache.hadoop.conf
Configuration of system parameters.
org.apache.hadoop.contrib.index.example - package org.apache.hadoop.contrib.index.example
 
org.apache.hadoop.contrib.index.lucene - package org.apache.hadoop.contrib.index.lucene
 
org.apache.hadoop.contrib.index.main - package org.apache.hadoop.contrib.index.main
 
org.apache.hadoop.contrib.index.mapred - package org.apache.hadoop.contrib.index.mapred
 
org.apache.hadoop.contrib.utils.join - package org.apache.hadoop.contrib.utils.join
 
org.apache.hadoop.dfs - package org.apache.hadoop.dfs
A distributed implementation of FileSystem.
org.apache.hadoop.dfs.datanode.metrics - package org.apache.hadoop.dfs.datanode.metrics
 
org.apache.hadoop.dfs.namenode.metrics - package org.apache.hadoop.dfs.namenode.metrics
 
org.apache.hadoop.examples - package org.apache.hadoop.examples
Hadoop example code.
org.apache.hadoop.examples.dancing - package org.apache.hadoop.examples.dancing
This package is a distributed implementation of Knuth's dancing links algorithm that can run under Hadoop.
org.apache.hadoop.filecache - package org.apache.hadoop.filecache
 
org.apache.hadoop.fs - package org.apache.hadoop.fs
An abstract file system API.
org.apache.hadoop.fs.ftp - package org.apache.hadoop.fs.ftp
 
org.apache.hadoop.fs.kfs - package org.apache.hadoop.fs.kfs
A client for the Kosmos filesystem (KFS)
org.apache.hadoop.fs.permission - package org.apache.hadoop.fs.permission
 
org.apache.hadoop.fs.s3 - package org.apache.hadoop.fs.s3
A distributed, block-based implementation of FileSystem that uses Amazon S3 as a backing store.
org.apache.hadoop.fs.s3native - package org.apache.hadoop.fs.s3native
A distributed implementation of FileSystem for reading and writing files on Amazon S3.
org.apache.hadoop.fs.shell - package org.apache.hadoop.fs.shell
 
org.apache.hadoop.io - package org.apache.hadoop.io
Generic i/o code for use when reading and writing data to the network, to databases, and to files.
org.apache.hadoop.io.compress - package org.apache.hadoop.io.compress
 
org.apache.hadoop.io.compress.lzo - package org.apache.hadoop.io.compress.lzo
 
org.apache.hadoop.io.compress.zlib - package org.apache.hadoop.io.compress.zlib
 
org.apache.hadoop.io.retry - package org.apache.hadoop.io.retry
A mechanism for selectively retrying methods that throw exceptions under certain circumstances.
org.apache.hadoop.io.serializer - package org.apache.hadoop.io.serializer
This package provides a mechanism for using different serialization frameworks in Hadoop.
org.apache.hadoop.ipc - package org.apache.hadoop.ipc
Tools to help define network clients and servers.
org.apache.hadoop.ipc.metrics - package org.apache.hadoop.ipc.metrics
 
org.apache.hadoop.log - package org.apache.hadoop.log
 
org.apache.hadoop.mapred - package org.apache.hadoop.mapred
A software framework for easily writing applications which process vast amounts of data (multi-terabyte data-sets) parallelly on large clusters (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant manner.
org.apache.hadoop.mapred.jobcontrol - package org.apache.hadoop.mapred.jobcontrol
Utilities for managing dependent jobs.
org.apache.hadoop.mapred.join - package org.apache.hadoop.mapred.join
Given a set of sorted datasets keyed with the same class and yielding equal partitions, it is possible to effect a join of those datasets prior to the map.
org.apache.hadoop.mapred.lib - package org.apache.hadoop.mapred.lib
Library of generally useful mappers, reducers, and partitioners.
org.apache.hadoop.mapred.lib.aggregate - package org.apache.hadoop.mapred.lib.aggregate
Classes for performing various counting and aggregations.
org.apache.hadoop.mapred.pipes - package org.apache.hadoop.mapred.pipes
Hadoop Pipes allows C++ code to use Hadoop DFS and map/reduce.
org.apache.hadoop.metrics - package org.apache.hadoop.metrics
This package defines an API for reporting performance metric information.
org.apache.hadoop.metrics.file - package org.apache.hadoop.metrics.file
Implementation of the metrics package that writes the metrics to a file.
org.apache.hadoop.metrics.ganglia - package org.apache.hadoop.metrics.ganglia
Implementation of the metrics package that sends metric data to Ganglia.
org.apache.hadoop.metrics.jvm - package org.apache.hadoop.metrics.jvm
 
org.apache.hadoop.metrics.spi - package org.apache.hadoop.metrics.spi
The Service Provider Interface for the Metrics API.
org.apache.hadoop.metrics.util - package org.apache.hadoop.metrics.util
 
org.apache.hadoop.net - package org.apache.hadoop.net
Network-related classes.
org.apache.hadoop.record - package org.apache.hadoop.record
Hadoop record I/O contains classes and a record description language translator for simplifying serialization and deserialization of records in a language-neutral manner.
org.apache.hadoop.record.compiler - package org.apache.hadoop.record.compiler
This package contains classes needed for code generation from the hadoop record compiler.
org.apache.hadoop.record.compiler.ant - package org.apache.hadoop.record.compiler.ant
 
org.apache.hadoop.record.compiler.generated - package org.apache.hadoop.record.compiler.generated
This package contains code generated by JavaCC from the Hadoop record syntax file rcc.jj.
org.apache.hadoop.record.meta - package org.apache.hadoop.record.meta
 
org.apache.hadoop.security - package org.apache.hadoop.security
 
org.apache.hadoop.streaming - package org.apache.hadoop.streaming
Hadoop Streaming is a utility which allows users to create and run Map-Reduce jobs with any executables (e.g.
org.apache.hadoop.util - package org.apache.hadoop.util
Common utilities.
out - Variable in class org.apache.hadoop.io.compress.CompressionOutputStream
The output stream to be compressed.
OuterJoinRecordReader<K extends WritableComparable> - Class in org.apache.hadoop.mapred.join
Full outer join.
outerrThreadsThrowable - Variable in class org.apache.hadoop.streaming.PipeMapRed
 
output_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
OutputBuffer - Class in org.apache.hadoop.io
A reusable OutputStream implementation that writes to an in-memory buffer.
OutputBuffer() - Constructor for class org.apache.hadoop.io.OutputBuffer
Constructs a new empty buffer.
OutputCollector<K,V> - Interface in org.apache.hadoop.mapred
Collects the <key, value> pairs output by Mappers and Reducers.
OutputFormat<K,V> - Interface in org.apache.hadoop.mapred
OutputFormat describes the output-specification for a Map-Reduce job.
OutputFormatBase<K,V> - Class in org.apache.hadoop.mapred
Deprecated. Use FileOutputFormat
OutputFormatBase() - Constructor for class org.apache.hadoop.mapred.OutputFormatBase
Deprecated.  
outputFormatSpec_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
OutputLogFilter - Class in org.apache.hadoop.mapred
This class filters log files from directory given It doesnt accept paths having _logs.
OutputLogFilter() - Constructor for class org.apache.hadoop.mapred.OutputLogFilter
 
OutputRecord - Class in org.apache.hadoop.metrics.spi
Represents a record of metric data to be sent to a metrics system.
outputSingleNode_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
OverrideRecordReader<K extends WritableComparable,V extends Writable> - Class in org.apache.hadoop.mapred.join
Prefer the "rightmost" data source for this key.

P

packageFiles_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
packageJobJar() - Method in class org.apache.hadoop.streaming.StreamJob
 
parent - Variable in class org.apache.hadoop.net.NodeBase
 
parse(String[], int) - Method in class org.apache.hadoop.fs.shell.CommandFormat
Parse parameters starting from the given position
parse(String, int) - Static method in class org.apache.hadoop.metrics.spi.Util
Parses a space and/or comma separated sequence of server specifications of the form hostname or hostname:port.
parseArgs(String[], int, Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
Parse the cmd-line args, starting at i.
ParseException - Exception in org.apache.hadoop.record.compiler.generated
This exception is thrown when parse errors are encountered.
ParseException(Token, int[][], String[]) - Constructor for exception org.apache.hadoop.record.compiler.generated.ParseException
This constructor is used by the method "generateParseException" in the generated parser.
ParseException() - Constructor for exception org.apache.hadoop.record.compiler.generated.ParseException
The following constructors are for use by you for whatever purpose you can think of.
ParseException(String) - Constructor for exception org.apache.hadoop.record.compiler.generated.ParseException
 
parseExecResult(BufferedReader) - Method in class org.apache.hadoop.fs.DF
 
parseExecResult(BufferedReader) - Method in class org.apache.hadoop.fs.DU
 
parseExecResult(BufferedReader) - Method in class org.apache.hadoop.util.Shell
Parse the execution result
parseExecResult(BufferedReader) - Method in class org.apache.hadoop.util.Shell.ShellCommandExecutor
 
parseHistoryFromFS(String, JobHistory.Listener, FileSystem) - Static method in class org.apache.hadoop.mapred.JobHistory
Parses history file and invokes Listener.handle() for each line of history.
parseJobTasks(String, JobHistory.JobInfo, FileSystem) - Static method in class org.apache.hadoop.mapred.DefaultJobHistoryParser
Populates a JobInfo object from the job's history log file.
Parser - Class in org.apache.hadoop.mapred.join
Very simple shift-reduce parser for join expressions.
Parser() - Constructor for class org.apache.hadoop.mapred.join.Parser
 
Parser.Node - Class in org.apache.hadoop.mapred.join
 
Parser.Node(String) - Constructor for class org.apache.hadoop.mapred.join.Parser.Node
 
Parser.NodeToken - Class in org.apache.hadoop.mapred.join
 
Parser.NumToken - Class in org.apache.hadoop.mapred.join
 
Parser.NumToken(double) - Constructor for class org.apache.hadoop.mapred.join.Parser.NumToken
 
Parser.StrToken - Class in org.apache.hadoop.mapred.join
 
Parser.StrToken(Parser.TType, String) - Constructor for class org.apache.hadoop.mapred.join.Parser.StrToken
 
Parser.Token - Class in org.apache.hadoop.mapred.join
Tagged-union type for tokens from the join expression.
Parser.TType - Enum in org.apache.hadoop.mapred.join
 
Partitioner<K2,V2> - Interface in org.apache.hadoop.mapred
Partitions the key space.
partitionerSpec_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
Path - Class in org.apache.hadoop.fs
Names a file or directory in a FileSystem.
Path(String, String) - Constructor for class org.apache.hadoop.fs.Path
Resolve a child path against a parent path.
Path(Path, String) - Constructor for class org.apache.hadoop.fs.Path
Resolve a child path against a parent path.
Path(String, Path) - Constructor for class org.apache.hadoop.fs.Path
Resolve a child path against a parent path.
Path(Path, Path) - Constructor for class org.apache.hadoop.fs.Path
Resolve a child path against a parent path.
Path(String) - Constructor for class org.apache.hadoop.fs.Path
Construct a path from a String.
Path(String, String, String) - Constructor for class org.apache.hadoop.fs.Path
Construct a Path from components.
PATH_SEPARATOR - Static variable in class org.apache.hadoop.net.NodeBase
 
PATH_SEPARATOR_STR - Static variable in class org.apache.hadoop.net.NodeBase
 
PathFilter - Interface in org.apache.hadoop.fs
 
PathFinder - Class in org.apache.hadoop.streaming
Maps a relative pathname to an absolute pathname using the PATH enviroment.
PathFinder() - Constructor for class org.apache.hadoop.streaming.PathFinder
Construct a PathFinder object using the path from java.class.path
PathFinder(String) - Constructor for class org.apache.hadoop.streaming.PathFinder
Construct a PathFinder object using the path from the specified system environment variable.
pathToFile(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
Convert a path to a File.
pathToFile(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
Convert a path to a File.
pendingReplicationBlocks - Variable in class org.apache.hadoop.dfs.FSNamesystemMetrics
 
Pentomino - Class in org.apache.hadoop.examples.dancing
 
Pentomino(int, int) - Constructor for class org.apache.hadoop.examples.dancing.Pentomino
Create the model for a given pentomino set of pieces and board size.
Pentomino() - Constructor for class org.apache.hadoop.examples.dancing.Pentomino
Create the object without initialization.
Pentomino.ColumnName - Interface in org.apache.hadoop.examples.dancing
This interface just is a marker for what types I expect to get back as column names.
Pentomino.Piece - Class in org.apache.hadoop.examples.dancing
Maintain information about a puzzle piece.
Pentomino.Piece(String, String, boolean, int[]) - Constructor for class org.apache.hadoop.examples.dancing.Pentomino.Piece
 
Pentomino.SolutionCategory - Enum in org.apache.hadoop.examples.dancing
 
percentageGraph(int, int) - Static method in class org.apache.hadoop.dfs.JspHelper
 
percentageGraph(float, int) - Static method in class org.apache.hadoop.dfs.JspHelper
 
PERIOD_PROPERTY - Static variable in class org.apache.hadoop.metrics.file.FileContext
 
PermissionStatus - Class in org.apache.hadoop.fs.permission
Store permission related information.
PermissionStatus(String, String, FsPermission) - Constructor for class org.apache.hadoop.fs.permission.PermissionStatus
Constructor
phase() - Method in class org.apache.hadoop.util.Progress
Returns the current sub-node executing.
pieces - Variable in class org.apache.hadoop.examples.dancing.Pentomino
 
PiEstimator - Class in org.apache.hadoop.examples
A Map-reduce program to estimaate the valu eof Pi using monte-carlo method.
PiEstimator() - Constructor for class org.apache.hadoop.examples.PiEstimator
 
PiEstimator.PiMapper - Class in org.apache.hadoop.examples
Mappper class for Pi estimation.
PiEstimator.PiMapper() - Constructor for class org.apache.hadoop.examples.PiEstimator.PiMapper
 
PiEstimator.PiReducer - Class in org.apache.hadoop.examples
 
PiEstimator.PiReducer() - Constructor for class org.apache.hadoop.examples.PiEstimator.PiReducer
 
ping(String) - Method in class org.apache.hadoop.mapred.TaskTracker
Deprecated. 
ping(TaskAttemptID) - Method in class org.apache.hadoop.mapred.TaskTracker
Child checking to see if we're alive.
PipeMapper - Class in org.apache.hadoop.streaming
A generic Mapper bridge.
PipeMapper() - Constructor for class org.apache.hadoop.streaming.PipeMapper
 
PipeMapRed - Class in org.apache.hadoop.streaming
Shared functionality for PipeMapper, PipeReducer.
PipeMapRed() - Constructor for class org.apache.hadoop.streaming.PipeMapRed
 
PipeReducer - Class in org.apache.hadoop.streaming
A generic Reducer bridge.
PipeReducer() - Constructor for class org.apache.hadoop.streaming.PipeReducer
 
PlatformName - Class in org.apache.hadoop.util
A helper class for getting build-info of the java-vm.
PlatformName() - Constructor for class org.apache.hadoop.util.PlatformName
 
pop() - Method in class org.apache.hadoop.util.PriorityQueue
Removes and returns the least element of the PriorityQueue in log(size) time.
PositionedReadable - Interface in org.apache.hadoop.fs
Stream that permits positional reading.
PREP - Static variable in class org.apache.hadoop.mapred.JobStatus
 
prependPathComponent(String) - Method in class org.apache.hadoop.streaming.PathFinder
Appends the specified component to the path list
preserveInput(boolean) - Method in class org.apache.hadoop.io.SequenceFile.Sorter.SegmentDescriptor
Whether to delete the files when no longer needed
prevCharIsCR - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
prevCharIsLF - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
printGenericCommandUsage(PrintStream) - Static method in class org.apache.hadoop.util.GenericOptionsParser
Print the usage message for generic command-line options supported.
printGenericCommandUsage(PrintStream) - Static method in class org.apache.hadoop.util.ToolRunner
Prints generic command-line argurments and usage information.
printGotoForm(JspWriter, int, String) - Static method in class org.apache.hadoop.dfs.JspHelper
 
PrintJarMainClass - Class in org.apache.hadoop.util
A micro-application that prints the main class name out of a jar file.
PrintJarMainClass() - Constructor for class org.apache.hadoop.util.PrintJarMainClass
 
printPathWithLinks(String, JspWriter, int) - Static method in class org.apache.hadoop.dfs.JspHelper
 
printStatistics() - Static method in class org.apache.hadoop.fs.FileSystem
 
printThreadInfo(PrintWriter, String) - Static method in class org.apache.hadoop.util.ReflectionUtils
Print all of the thread's information and stack traces.
PriorityQueue - Class in org.apache.hadoop.util
A PriorityQueue maintains a partial ordering of its elements such that the least element can always be found in constant time.
PriorityQueue() - Constructor for class org.apache.hadoop.util.PriorityQueue
 
process(IntermediateForm) - Method in class org.apache.hadoop.contrib.index.lucene.ShardWriter
Process an intermediate form by carrying out, on the Lucene instance of the shard, the deletes and the inserts (a ram index) in the form.
process(DocumentAndOp, Analyzer) - Method in class org.apache.hadoop.contrib.index.mapred.IntermediateForm
This method is used by the index update mapper and process a document operation into the current intermediate form.
process(IntermediateForm) - Method in class org.apache.hadoop.contrib.index.mapred.IntermediateForm
This method is used by the index update combiner and process an intermediate form into the current intermediate form.
processDeleteOnExit() - Method in class org.apache.hadoop.fs.FileSystem
Delete all files that were marked as delete-on-exit.
processUpgradeCommand(UpgradeCommand) - Method in class org.apache.hadoop.dfs.NameNode
 
ProgramDriver - Class in org.apache.hadoop.util
A driver that is used to run programs added to it
ProgramDriver() - Constructor for class org.apache.hadoop.util.ProgramDriver
 
Progress - Class in org.apache.hadoop.util
Utility to assist with generation of progress reports.
Progress() - Constructor for class org.apache.hadoop.util.Progress
Creates a new root node.
progress() - Method in interface org.apache.hadoop.util.Progressable
Report progress to the Hadoop framework.
Progressable - Interface in org.apache.hadoop.util
A facility for reporting progress.
pseudoSortByDistance(Node, Node[]) - Method in class org.apache.hadoop.net.NetworkTopology
Sort nodes array by their distances to reader It linearly scans the array, if a local node is found, swap it with the first element of the array.
purge() - Method in interface org.apache.hadoop.fs.s3.FileSystemStore
Delete everything.
purgeCache(Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
Clear the entire contents of the cache and delete the backing files.
pushMetric(MetricsRecord) - Method in class org.apache.hadoop.metrics.util.MetricsIntValue
Push the metric to the mr.
pushMetric(MetricsRecord) - Method in class org.apache.hadoop.metrics.util.MetricsLongValue
Push the metric to the mr.
pushMetric(MetricsRecord) - Method in class org.apache.hadoop.metrics.util.MetricsTimeVaryingInt
Push the delta metrics to the mr.
pushMetric(MetricsRecord) - Method in class org.apache.hadoop.metrics.util.MetricsTimeVaryingRate
Push the delta metrics to the mr.
put(Writable, Writable) - Method in class org.apache.hadoop.io.MapWritable
put(WritableComparable, Writable) - Method in class org.apache.hadoop.io.SortedMapWritable
put(Object) - Method in class org.apache.hadoop.util.PriorityQueue
Adds an Object to a PriorityQueue in log(size) time.
putAll(Map<? extends Writable, ? extends Writable>) - Method in class org.apache.hadoop.io.MapWritable
putAll(Map<? extends WritableComparable, ? extends Writable>) - Method in class org.apache.hadoop.io.SortedMapWritable

Q

quarterDigest() - Method in class org.apache.hadoop.io.MD5Hash
Return a 32-bit digest of the MD5.
QuickSort - Class in org.apache.hadoop.util
An implementation of the core algorithm of QuickSort.
QuickSort() - Constructor for class org.apache.hadoop.util.QuickSort
 
QuotaExceededException - Exception in org.apache.hadoop.dfs
This class is for the error when an attempt to add an inode to namespace violates the quota restriction of any inode on the path to the newly added inode.
QuotaExceededException(String) - Constructor for exception org.apache.hadoop.dfs.QuotaExceededException
 
QuotaExceededException(long, long) - Constructor for exception org.apache.hadoop.dfs.QuotaExceededException
 

R

RAMDirectoryUtil - Class in org.apache.hadoop.contrib.index.lucene
A utility class which writes an index in a ram dir into a DataOutput and read from a DataInput an index into a ram dir.
RAMDirectoryUtil() - Constructor for class org.apache.hadoop.contrib.index.lucene.RAMDirectoryUtil
 
randomNode() - Method in class org.apache.hadoop.dfs.JspHelper
 
RandomTextWriter - Class in org.apache.hadoop.examples
This program uses map/reduce to just run a distributed job where there is no interaction between the tasks and each task writes a large unsorted random sequence of words.
RandomTextWriter() - Constructor for class org.apache.hadoop.examples.RandomTextWriter
 
RandomWriter - Class in org.apache.hadoop.examples
This program uses map/reduce to just run a distributed job where there is no interaction between the tasks and each task write a large unsorted random binary sequence file of BytesWritable.
RandomWriter() - Constructor for class org.apache.hadoop.examples.RandomWriter
 
RawComparator<T> - Interface in org.apache.hadoop.io
A Comparator that operates directly on byte representations of objects.
RawLocalFileSystem - Class in org.apache.hadoop.fs
Implement the FileSystem API for the raw local filesystem.
RawLocalFileSystem() - Constructor for class org.apache.hadoop.fs.RawLocalFileSystem
 
RBRACE_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
Rcc - Class in org.apache.hadoop.record.compiler.generated
 
Rcc(InputStream) - Constructor for class org.apache.hadoop.record.compiler.generated.Rcc
 
Rcc(InputStream, String) - Constructor for class org.apache.hadoop.record.compiler.generated.Rcc
 
Rcc(Reader) - Constructor for class org.apache.hadoop.record.compiler.generated.Rcc
 
Rcc(RccTokenManager) - Constructor for class org.apache.hadoop.record.compiler.generated.Rcc
 
RccConstants - Interface in org.apache.hadoop.record.compiler.generated
 
RccTask - Class in org.apache.hadoop.record.compiler.ant
Hadoop record compiler ant Task
RccTask() - Constructor for class org.apache.hadoop.record.compiler.ant.RccTask
Creates a new instance of RccTask
RccTokenManager - Class in org.apache.hadoop.record.compiler.generated
 
RccTokenManager(SimpleCharStream) - Constructor for class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
RccTokenManager(SimpleCharStream, int) - Constructor for class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
read(long, byte[], int, int) - Method in class org.apache.hadoop.fs.BufferedFSInputStream
 
read(long, byte[], int, int) - Method in class org.apache.hadoop.fs.FSDataInputStream
 
read() - Method in class org.apache.hadoop.fs.FSInputChecker
Read one checksum-verified byte
read(byte[], int, int) - Method in class org.apache.hadoop.fs.FSInputChecker
Read checksum verified bytes from this byte-input stream into the specified byte array, starting at the given offset.
read(long, byte[], int, int) - Method in class org.apache.hadoop.fs.FSInputStream
 
read() - Method in class org.apache.hadoop.fs.ftp.FTPInputStream
 
read(byte[], int, int) - Method in class org.apache.hadoop.fs.ftp.FTPInputStream
 
read(DataInput) - Static method in class org.apache.hadoop.fs.permission.FsPermission
Create and initialize a FsPermission from DataInput.
read(DataInput) - Static method in class org.apache.hadoop.fs.permission.PermissionStatus
Create and initialize a PermissionStatus from DataInput.
read(long, byte[], int, int) - Method in interface org.apache.hadoop.fs.PositionedReadable
Read upto the specified number of bytes, from a given position within a file, and return the number of bytes read.
read(byte[], int, int) - Method in class org.apache.hadoop.io.compress.CompressionInputStream
Read bytes from the stream.
read() - Method in class org.apache.hadoop.io.compress.GzipCodec.GzipInputStream
 
read(byte[], int, int) - Method in class org.apache.hadoop.io.compress.GzipCodec.GzipInputStream
 
read(DataInput) - Static method in class org.apache.hadoop.io.MD5Hash
Constructs, reads and returns an instance.
read(DataInput) - Static method in class org.apache.hadoop.mapred.ID
 
read(DataInput) - Static method in class org.apache.hadoop.mapred.JobID
 
read(DataInput) - Static method in class org.apache.hadoop.mapred.TaskAttemptID
 
read(DataInput) - Static method in class org.apache.hadoop.mapred.TaskID
 
read() - Method in class org.apache.hadoop.net.SocketInputStream
 
read(byte[], int, int) - Method in class org.apache.hadoop.net.SocketInputStream
 
read(ByteBuffer) - Method in class org.apache.hadoop.net.SocketInputStream
 
READ_TIMEOUT - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
readBlockOp - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
readBool(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
 
readBool(String) - Method in class org.apache.hadoop.record.CsvRecordInput
 
readBool(String) - Method in interface org.apache.hadoop.record.RecordInput
Read a boolean from serialized record.
readBool(String) - Method in class org.apache.hadoop.record.XmlRecordInput
 
readBuffer(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
 
readBuffer(String) - Method in class org.apache.hadoop.record.CsvRecordInput
 
readBuffer(String) - Method in interface org.apache.hadoop.record.RecordInput
Read byte array from serialized record.
readBuffer(String) - Method in class org.apache.hadoop.record.XmlRecordInput
 
readByte(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
 
readByte(String) - Method in class org.apache.hadoop.record.CsvRecordInput
 
readByte(String) - Method in interface org.apache.hadoop.record.RecordInput
Read a byte from serialized record.
readByte(String) - Method in class org.apache.hadoop.record.XmlRecordInput
 
readChar() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
readChunk(long, byte[], int, int, byte[]) - Method in class org.apache.hadoop.fs.FSInputChecker
Reads in next checksum chunk data into buf at offset and checksum into checksum.
readCompressedByteArray(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
readCompressedString(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
readCompressedStringArray(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
readDouble(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
Parse a double from a byte array.
readDouble(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
 
readDouble(String) - Method in class org.apache.hadoop.record.CsvRecordInput
 
readDouble(String) - Method in interface org.apache.hadoop.record.RecordInput
Read a double-precision number from serialized record.
readDouble(byte[], int) - Static method in class org.apache.hadoop.record.Utils
Parse a double from a byte array.
readDouble(String) - Method in class org.apache.hadoop.record.XmlRecordInput
 
readEnum(DataInput, Class<T>) - Static method in class org.apache.hadoop.io.WritableUtils
Read an Enum value from DataInput, Enums are read and written using String values.
readFields(DataInput) - Method in class org.apache.hadoop.contrib.index.example.LineDocTextAndOp
 
readFields(DataInput) - Method in class org.apache.hadoop.contrib.index.mapred.DocumentAndOp
 
readFields(DataInput) - Method in class org.apache.hadoop.contrib.index.mapred.DocumentID
 
readFields(DataInput) - Method in class org.apache.hadoop.contrib.index.mapred.IntermediateForm
 
readFields(DataInput) - Method in class org.apache.hadoop.contrib.index.mapred.Shard
 
readFields(DataInput) - Method in class org.apache.hadoop.dfs.DatanodeID
Deserialize the fields of this object from in.
readFields(DataInput) - Method in class org.apache.hadoop.dfs.DatanodeInfo
Deserialize the fields of this object from in.

For efficiency, implementations should attempt to re-use storage in the existing object where possible.

readFields(DataInput) - Method in class org.apache.hadoop.dfs.LocatedBlocks
 
readFields(DataInput) - Method in class org.apache.hadoop.dfs.UpgradeStatusReport
 
readFields(DataInput) - Method in class org.apache.hadoop.examples.MultiFileWordCount.WordOffset
 
readFields(DataInput) - Method in class org.apache.hadoop.fs.BlockLocation
Implement readFields of Writable
readFields(DataInput) - Method in class org.apache.hadoop.fs.ContentSummary
Deserialize the fields of this object from in.
readFields(DataInput) - Method in class org.apache.hadoop.fs.FileStatus
 
readFields(DataInput) - Method in class org.apache.hadoop.fs.permission.FsPermission
Deserialize the fields of this object from in.
readFields(DataInput) - Method in class org.apache.hadoop.fs.permission.PermissionStatus
Deserialize the fields of this object from in.
readFields(DataInput) - Method in class org.apache.hadoop.io.AbstractMapWritable
Deserialize the fields of this object from in.
readFields(DataInput) - Method in class org.apache.hadoop.io.ArrayWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.BooleanWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.BytesWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.ByteWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.CompressedWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.DoubleWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.FloatWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.GenericWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.IntWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.LongWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.MapWritable
Deserialize the fields of this object from in.

For efficiency, implementations should attempt to re-use storage in the existing object where possible.

readFields(DataInput) - Method in class org.apache.hadoop.io.MD5Hash
 
readFields(DataInput) - Method in class org.apache.hadoop.io.NullWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.ObjectWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.SequenceFile.Metadata
 
readFields(DataInput) - Method in class org.apache.hadoop.io.SortedMapWritable
Deserialize the fields of this object from in.

For efficiency, implementations should attempt to re-use storage in the existing object where possible.

readFields(DataInput) - Method in class org.apache.hadoop.io.Text
deserialize
readFields(DataInput) - Method in class org.apache.hadoop.io.TwoDArrayWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.UTF8
Deprecated.  
readFields(DataInput) - Method in class org.apache.hadoop.io.VersionedWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.VIntWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.VLongWritable
 
readFields(DataInput) - Method in interface org.apache.hadoop.io.Writable
Deserialize the fields of this object from in.
readFields(DataInput) - Method in class org.apache.hadoop.mapred.ClusterStatus
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.Counters.Counter
Read the binary representation of the counter
readFields(DataInput) - Method in class org.apache.hadoop.mapred.Counters.Group
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.Counters
Read a set of groups.
readFields(DataInput) - Method in class org.apache.hadoop.mapred.FileSplit
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.ID
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.JobID
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.JobProfile
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.JobStatus
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
Deserialize the fields of this object from in.
readFields(DataInput) - Method in class org.apache.hadoop.mapred.join.TupleWritable
Deserialize the fields of this object from in.
readFields(DataInput) - Method in class org.apache.hadoop.mapred.MultiFileSplit
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.TaskAttemptID
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.TaskID
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.TaskReport
 
readFields(DataInput) - Method in class org.apache.hadoop.record.Record
 
readFields(DataInput) - Method in class org.apache.hadoop.security.UnixUserGroupInformation
Deserialize this object First check if this is a UGI in the string format.
readFieldsCompressed(DataInput) - Method in class org.apache.hadoop.io.CompressedWritable
Subclasses implement this instead of CompressedWritable.readFields(DataInput).
readFloat(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
Parse a float from a byte array.
readFloat(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
 
readFloat(String) - Method in class org.apache.hadoop.record.CsvRecordInput
 
readFloat(String) - Method in interface org.apache.hadoop.record.RecordInput
Read a single-precision float from serialized record.
readFloat(byte[], int) - Static method in class org.apache.hadoop.record.Utils
Parse a float from a byte array.
readFloat(String) - Method in class org.apache.hadoop.record.XmlRecordInput
 
readFrom(Configuration) - Static method in class org.apache.hadoop.security.UserGroupInformation
Read a UserGroupInformation from conf
readFromConf(Configuration, String) - Static method in class org.apache.hadoop.security.UnixUserGroupInformation
Read a UGI from the given conf The object is expected to store with the property name attr as a comma separated string that starts with the user name followed by group names.
readFully(long, byte[], int, int) - Method in class org.apache.hadoop.fs.BufferedFSInputStream
 
readFully(long, byte[]) - Method in class org.apache.hadoop.fs.BufferedFSInputStream
 
readFully(long, byte[], int, int) - Method in class org.apache.hadoop.fs.FSDataInputStream
 
readFully(long, byte[]) - Method in class org.apache.hadoop.fs.FSDataInputStream
 
readFully(InputStream, byte[], int, int) - Static method in class org.apache.hadoop.fs.FSInputChecker
A utility function that tries to read up to len bytes from stm
readFully(long, byte[], int, int) - Method in class org.apache.hadoop.fs.FSInputStream
 
readFully(long, byte[]) - Method in class org.apache.hadoop.fs.FSInputStream
 
readFully(long, byte[], int, int) - Method in interface org.apache.hadoop.fs.PositionedReadable
Read the specified number of bytes, from a given position within a file.
readFully(long, byte[]) - Method in interface org.apache.hadoop.fs.PositionedReadable
Read number of bytes equalt to the length of the buffer, from a given position within a file.
readFully(InputStream, byte[], int, int) - Static method in class org.apache.hadoop.io.IOUtils
Reads len bytes in a loop.
readInt(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
Parse an integer from a byte array.
readInt(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
 
readInt(String) - Method in class org.apache.hadoop.record.CsvRecordInput
 
readInt(String) - Method in interface org.apache.hadoop.record.RecordInput
Read an integer from serialized record.
readInt(String) - Method in class org.apache.hadoop.record.XmlRecordInput
 
readLine(Text, int, int) - Method in class org.apache.hadoop.mapred.LineRecordReader.LineReader
Read from the InputStream into the given Text.
readLine(Text, int) - Method in class org.apache.hadoop.mapred.LineRecordReader.LineReader
Read from the InputStream into the given Text.
readLine(Text) - Method in class org.apache.hadoop.mapred.LineRecordReader.LineReader
Read from the InputStream into the given Text.
readLine(LineRecordReader.LineReader, Text) - Static method in class org.apache.hadoop.streaming.UTF8ByteArrayUtils
Read a utf8 encoded line from a data input stream.
readLong(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
Parse a long from a byte array.
readLong(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
 
readLong(String) - Method in class org.apache.hadoop.record.CsvRecordInput
 
readLong(String) - Method in interface org.apache.hadoop.record.RecordInput
Read a long integer from serialized record.
readLong(String) - Method in class org.apache.hadoop.record.XmlRecordInput
 
readMetadataOp - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
readObject(DataInput, Configuration) - Static method in class org.apache.hadoop.io.ObjectWritable
Read a Writable, String, primitive type, or an array of the preceding.
readObject(DataInput, ObjectWritable, Configuration) - Static method in class org.apache.hadoop.io.ObjectWritable
Read a Writable, String, primitive type, or an array of the preceding.
readRAMFiles(DataInput, RAMDirectory) - Static method in class org.apache.hadoop.contrib.index.lucene.RAMDirectoryUtil
Read a number of files from a data input to a ram directory.
readsFromLocalClient - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
readsFromRemoteClient - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
readString(DataInput) - Static method in class org.apache.hadoop.io.Text
Read a UTF8 encoded string from in
readString(DataInput) - Static method in class org.apache.hadoop.io.UTF8
Deprecated. Read a UTF-8 encoded string.
readString(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
readString(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
 
readString(String) - Method in class org.apache.hadoop.record.CsvRecordInput
 
readString(String) - Method in interface org.apache.hadoop.record.RecordInput
Read a UTF-8 encoded string from serialized record.
readString(String) - Method in class org.apache.hadoop.record.XmlRecordInput
 
readStringArray(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
readUnsignedShort(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
Parse an unsigned short from a byte array.
readVInt(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
Reads a zero-compressed encoded integer from a byte array and returns it.
readVInt(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
Reads a zero-compressed encoded integer from input stream and returns it.
readVInt(byte[], int) - Static method in class org.apache.hadoop.record.Utils
Reads a zero-compressed encoded integer from a byte array and returns it.
readVInt(DataInput) - Static method in class org.apache.hadoop.record.Utils
Reads a zero-compressed encoded integer from a stream and returns it.
readVLong(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
Reads a zero-compressed encoded long from a byte array and returns it.
readVLong(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
Reads a zero-compressed encoded long from input stream and returns it.
readVLong(byte[], int) - Static method in class org.apache.hadoop.record.Utils
Reads a zero-compressed encoded long from a byte array and returns it.
readVLong(DataInput) - Static method in class org.apache.hadoop.record.Utils
Reads a zero-compressed encoded long from a stream and return it.
READY - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
Record() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
Record - Class in org.apache.hadoop.record
Abstract class that is extended by generated classes.
Record() - Constructor for class org.apache.hadoop.record.Record
 
RECORD_INPUT - Static variable in class org.apache.hadoop.record.compiler.Consts
 
RECORD_OUTPUT - Static variable in class org.apache.hadoop.record.compiler.Consts
 
RECORD_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
RecordComparator - Class in org.apache.hadoop.record
A raw record comparator base class
RecordComparator(Class) - Constructor for class org.apache.hadoop.record.RecordComparator
Construct a raw Record comparison implementation.
RecordInput - Interface in org.apache.hadoop.record
Interface that all the Deserializers have to implement.
RecordList() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
RecordOutput - Interface in org.apache.hadoop.record
Interface that alll the serializers have to implement.
RecordReader<K,V> - Interface in org.apache.hadoop.mapred
RecordReader reads <key, value> pairs from an InputSplit.
RecordTypeInfo - Class in org.apache.hadoop.record.meta
A record's Type Information object which can read/write itself.
RecordTypeInfo() - Constructor for class org.apache.hadoop.record.meta.RecordTypeInfo
Create an empty RecordTypeInfo object.
RecordTypeInfo(String) - Constructor for class org.apache.hadoop.record.meta.RecordTypeInfo
Create a RecordTypeInfo object representing a record with the given name
RecordWriter<K,V> - Interface in org.apache.hadoop.mapred
RecordWriter writes the output <key, value> pairs to an output file.
recoverBlock(Block, DatanodeInfo[]) - Method in class org.apache.hadoop.dfs.DataNode
Start generation-stamp recovery for specified block
redCmd_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
reduce(Shard, Iterator<IntermediateForm>, OutputCollector<Shard, IntermediateForm>, Reporter) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateCombiner
 
reduce(Shard, Iterator<IntermediateForm>, OutputCollector<Shard, Text>, Reporter) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateReducer
 
reduce(Object, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.contrib.utils.join.DataJoinMapperBase
 
reduce(Object, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.contrib.utils.join.DataJoinReducerBase
 
reduce(LongWritable, Iterator<LongWritable>, OutputCollector<WritableComparable, Writable>, Reporter) - Method in class org.apache.hadoop.examples.PiEstimator.PiReducer
Reduce method.
reduce(IntWritable, Iterator<IntWritable>, OutputCollector<IntWritable, IntWritable>, Reporter) - Method in class org.apache.hadoop.examples.SleepJob
 
reduce(Text, Iterator<IntWritable>, OutputCollector<Text, IntWritable>, Reporter) - Method in class org.apache.hadoop.examples.WordCount.Reduce
 
reduce(Text, Iterator<Text>, OutputCollector<Text, Text>, Reporter) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorCombiner
Combines values for a given key.
reduce(Text, Iterator<Text>, OutputCollector<Text, Text>, Reporter) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorMapper
Do nothing.
reduce(Text, Iterator<Text>, OutputCollector<Text, Text>, Reporter) - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorReducer
 
reduce(Text, Iterator<Text>, OutputCollector<Text, Text>, Reporter) - Method in class org.apache.hadoop.mapred.lib.FieldSelectionMapReduce
 
reduce(K, Iterator<V>, OutputCollector<K, V>, Reporter) - Method in class org.apache.hadoop.mapred.lib.IdentityReducer
Writes all keys and values directly to output.
reduce(K, Iterator<LongWritable>, OutputCollector<K, LongWritable>, Reporter) - Method in class org.apache.hadoop.mapred.lib.LongSumReducer
 
reduce(K2, Iterator<V2>, OutputCollector<K3, V3>, Reporter) - Method in interface org.apache.hadoop.mapred.Reducer
Reduces values for a given key.
reduce(Object, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.streaming.PipeReducer
 
reduceDebugSpec_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
reduceOutFieldSeparator - Variable in class org.apache.hadoop.streaming.PipeMapRed
 
reduceProgress() - Method in class org.apache.hadoop.mapred.JobStatus
 
reduceProgress() - Method in interface org.apache.hadoop.mapred.RunningJob
Get the progress of the job's reduce-tasks, as a float between 0.0 and 1.0.
Reducer<K2,V2,K3,V3> - Interface in org.apache.hadoop.mapred
Reduces a set of intermediate values which share a key to a smaller set of values.
ReflectionUtils - Class in org.apache.hadoop.util
General reflection utils
ReflectionUtils() - Constructor for class org.apache.hadoop.util.ReflectionUtils
 
refresh() - Method in class org.apache.hadoop.util.HostsFileReader
 
refreshNodes() - Method in class org.apache.hadoop.dfs.ChecksumDistributedFileSystem
 
refreshNodes() - Method in class org.apache.hadoop.dfs.DFSAdmin
Command to ask the namenode to reread the hosts and excluded hosts file.
refreshNodes() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
refreshNodes() - Method in class org.apache.hadoop.dfs.NameNode
 
RegexMapper<K> - Class in org.apache.hadoop.mapred.lib
A Mapper that extracts text matching a regular expression.
RegexMapper() - Constructor for class org.apache.hadoop.mapred.lib.RegexMapper
 
regexpEscape(String) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
register(DatanodeRegistration) - Method in class org.apache.hadoop.dfs.NameNode
 
registerMBean(String, String, Object) - Static method in class org.apache.hadoop.metrics.util.MBeanUtil
Register the mbean using out standard MBeanName format "hadoop.dfs:service=,name=" Where the and are the supplied parameters
registerNotification(JobConf, JobStatus) - Static method in class org.apache.hadoop.mapred.JobEndNotifier
 
registerUpdater(Updater) - Method in interface org.apache.hadoop.metrics.MetricsContext
Registers a callback to be called at regular time intervals, as determined by the implementation-class specific configuration.
registerUpdater(Updater) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Registers a callback to be called at time intervals determined by the configuration.
ReInit(InputStream) - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
ReInit(InputStream, String) - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
ReInit(Reader) - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
ReInit(RccTokenManager) - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
ReInit(SimpleCharStream) - Method in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
ReInit(SimpleCharStream, int) - Method in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
ReInit(Reader, int, int, int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(Reader, int, int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(Reader) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(InputStream, String, int, int, int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(InputStream, int, int, int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(InputStream, String) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(InputStream) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(InputStream, String, int, int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(InputStream, int, int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
release(Path) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
Deprecated. 
release(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
Deprecated.  
releaseCache(URI, Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
This is the opposite of getlocalcache.
remaining - Variable in class org.apache.hadoop.dfs.DatanodeInfo
 
RemoteException - Exception in org.apache.hadoop.ipc
 
RemoteException(String, String) - Constructor for exception org.apache.hadoop.ipc.RemoteException
 
remove() - Method in class org.apache.hadoop.contrib.utils.join.ArrayListBackedIterator
 
remove(Object) - Method in class org.apache.hadoop.io.MapWritable
remove(Object) - Method in class org.apache.hadoop.io.SortedMapWritable
remove() - Method in interface org.apache.hadoop.metrics.MetricsRecord
Removes, from the buffered data table, all rows having tags that equal the tags that have been set on this record.
remove(MetricsRecordImpl) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Called by MetricsRecordImpl.remove().
remove() - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Removes the row, if it exists, in the buffered data table having tags that equal the tags that have been set on this record.
remove(MetricsRecordImpl) - Method in class org.apache.hadoop.metrics.spi.NullContext
Do-nothing version of remove
remove(MetricsRecordImpl) - Method in class org.apache.hadoop.metrics.spi.NullContextWithUpdateThread
Do-nothing version of remove
remove(Node) - Method in class org.apache.hadoop.net.NetworkTopology
Remove a node Update node counter & rack counter if neccessary
removeAttribute(String) - Method in class org.apache.hadoop.metrics.ContextFactory
Removes the named attribute if it exists.
removeSuffix(String, String) - Static method in class org.apache.hadoop.io.compress.CompressionCodecFactory
Removes a suffix from a filename, if it has it.
removeTag(String) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Removes any tag of the specified name.
removeTag(String) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Removes any tag of the specified name.
rename(Path, Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Rename files/dirs
rename(Path, Path) - Method in class org.apache.hadoop.dfs.HftpFileSystem
 
rename(String, String) - Method in class org.apache.hadoop.dfs.NameNode
 
rename(Path, Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
Rename files/dirs
rename(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
Renames Path src to Path dst.
rename(Path, Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
Renames Path src to Path dst.
rename(Path, Path) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
rename(Path, Path) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
rename(Path, Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
rename(Path, Path) - Method in class org.apache.hadoop.fs.s3.S3FileSystem
 
rename(Path, Path) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
 
rename(FileSystem, String, String) - Static method in class org.apache.hadoop.io.MapFile
Renames an existing map directory.
renameFile(String, String) - Method in class org.apache.hadoop.contrib.index.lucene.FileSystemDirectory
 
renewLease(String) - Method in class org.apache.hadoop.dfs.NameNode
 
replaceBlockOp - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
replaceFile(File, File) - Static method in class org.apache.hadoop.fs.FileUtil
Move the src file to the name specified by target.
replay(X) - Method in class org.apache.hadoop.mapred.join.ArrayListBackedIterator
 
replay(TupleWritable) - Method in class org.apache.hadoop.mapred.join.JoinRecordReader.JoinDelegationIterator
 
replay(V) - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader.MultiFilterDelegationIterator
 
replay(U) - Method in class org.apache.hadoop.mapred.join.ResetableIterator.EMPTY
 
replay(T) - Method in interface org.apache.hadoop.mapred.join.ResetableIterator
Assign last value returned to actual.
replay(X) - Method in class org.apache.hadoop.mapred.join.StreamBackedIterator
 
report() - Method in class org.apache.hadoop.contrib.utils.join.JobBase
log the counters
report() - Method in class org.apache.hadoop.dfs.DFSAdmin
Gives a report on how the FileSystem is doing.
reportBadBlocks(LocatedBlock[]) - Method in class org.apache.hadoop.dfs.NameNode
The client has detected an error on the specified located blocks and is reporting them to the server.
reportChecksumFailure(Path, FSDataInputStream, long, FSDataInputStream, long) - Method in class org.apache.hadoop.dfs.ChecksumDistributedFileSystem
We need to find the blocks that didn't match.
reportChecksumFailure(Path, FSDataInputStream, long, FSDataInputStream, long) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
We need to find the blocks that didn't match.
reportChecksumFailure(Path, FSDataInputStream, long, FSDataInputStream, long) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
Report a checksum error to the file system.
reportChecksumFailure(Path, FSDataInputStream, long, FSDataInputStream, long) - Method in class org.apache.hadoop.fs.LocalFileSystem
Moves files to a bad file directory on the same device, so that their storage will not be reused.
reportDiagnosticInfo(String, String) - Method in class org.apache.hadoop.mapred.TaskTracker
Deprecated. 
reportDiagnosticInfo(TaskAttemptID, String) - Method in class org.apache.hadoop.mapred.TaskTracker
Called when the task dies before completion, and we want to report back diagnostic info
reporter - Variable in class org.apache.hadoop.contrib.utils.join.DataJoinMapperBase
 
reporter - Variable in class org.apache.hadoop.contrib.utils.join.DataJoinReducerBase
 
Reporter - Interface in org.apache.hadoop.mapred
A facility for Map-Reduce applications to report progress and update counters, status information etc.
reportTaskTrackerError(String, String, String) - Method in class org.apache.hadoop.mapred.JobTracker
 
requiresLayout() - Method in class org.apache.hadoop.metrics.jvm.EventCounter
 
reserveSpaceWithCheckSum(Path, long) - Method in class org.apache.hadoop.fs.InMemoryFileSystem
Deprecated. Register a file with its size.
reset() - Method in class org.apache.hadoop.contrib.utils.join.ArrayListBackedIterator
 
reset() - Method in interface org.apache.hadoop.contrib.utils.join.ResetableIterator
 
reset() - Method in class org.apache.hadoop.dfs.DataChecksum
 
reset() - Method in class org.apache.hadoop.fs.FSInputChecker
 
reset() - Method in class org.apache.hadoop.fs.ftp.FTPInputStream
 
reset() - Method in interface org.apache.hadoop.io.compress.Compressor
Resets compressor so that a new set of input data can be processed.
reset() - Method in interface org.apache.hadoop.io.compress.Decompressor
Resets decompressor so that a new set of input data can be processed.
reset() - Method in class org.apache.hadoop.io.compress.lzo.LzoCompressor
 
reset() - Method in class org.apache.hadoop.io.compress.lzo.LzoDecompressor
 
reset() - Method in class org.apache.hadoop.io.compress.zlib.ZlibCompressor
 
reset() - Method in class org.apache.hadoop.io.compress.zlib.ZlibDecompressor
 
reset(byte[], int) - Method in class org.apache.hadoop.io.DataInputBuffer
Resets the data that the buffer reads.
reset(byte[], int, int) - Method in class org.apache.hadoop.io.DataInputBuffer
Resets the data that the buffer reads.
reset() - Method in class org.apache.hadoop.io.DataOutputBuffer
Resets the buffer to empty.
reset(byte[], int) - Method in class org.apache.hadoop.io.InputBuffer
Resets the data that the buffer reads.
reset(byte[], int, int) - Method in class org.apache.hadoop.io.InputBuffer
Resets the data that the buffer reads.
reset() - Method in class org.apache.hadoop.io.MapFile.Reader
Re-positions the reader before its first key.
reset() - Method in class org.apache.hadoop.io.OutputBuffer
Resets the buffer to empty.
reset() - Method in class org.apache.hadoop.mapred.join.ArrayListBackedIterator
 
reset() - Method in class org.apache.hadoop.mapred.join.JoinRecordReader.JoinDelegationIterator
 
reset() - Method in class org.apache.hadoop.mapred.join.MultiFilterRecordReader.MultiFilterDelegationIterator
 
reset() - Method in class org.apache.hadoop.mapred.join.ResetableIterator.EMPTY
 
reset() - Method in interface org.apache.hadoop.mapred.join.ResetableIterator
Set iterator to return to the start of its range.
reset() - Method in class org.apache.hadoop.mapred.join.StreamBackedIterator
 
reset() - Method in class org.apache.hadoop.mapred.lib.aggregate.DoubleValueSum
reset the aggregator
reset() - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueMax
reset the aggregator
reset() - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueMin
reset the aggregator
reset() - Method in class org.apache.hadoop.mapred.lib.aggregate.LongValueSum
reset the aggregator
reset() - Method in class org.apache.hadoop.mapred.lib.aggregate.StringValueMax
reset the aggregator
reset() - Method in class org.apache.hadoop.mapred.lib.aggregate.StringValueMin
reset the aggregator
reset() - Method in class org.apache.hadoop.mapred.lib.aggregate.UniqValueCount
reset the aggregator
reset() - Method in interface org.apache.hadoop.mapred.lib.aggregate.ValueAggregator
reset the aggregator
reset() - Method in class org.apache.hadoop.mapred.lib.aggregate.ValueHistogram
reset the aggregator
reset(BytesWritable) - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat.WritableValueBytes
 
reset() - Method in class org.apache.hadoop.record.Buffer
Reset the buffer to 0 size
ResetableIterator - Interface in org.apache.hadoop.contrib.utils.join
This interface defines an iterator interface that will help the reducer class for re-grouping the values in the values iterator of the reduce method according the their source tags.
ResetableIterator<T extends Writable> - Interface in org.apache.hadoop.mapred.join
This defines an interface to a stateful Iterator that can replay elements added to it directly.
ResetableIterator.EMPTY<U extends Writable> - Class in org.apache.hadoop.mapred.join
 
ResetableIterator.EMPTY() - Constructor for class org.apache.hadoop.mapred.join.ResetableIterator.EMPTY
 
resetAllMinMax() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
resetAllMinMax() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
 
resetAllMinMax() - Method in interface org.apache.hadoop.dfs.datanode.metrics.DataNodeStatisticsMBean
Reset all min max times
resetAllMinMax() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
 
resetAllMinMax() - Method in interface org.apache.hadoop.dfs.namenode.metrics.NameNodeStatisticsMBean
Reset all min max times
resetAllMinMax() - Method in class org.apache.hadoop.dfs.NameNodeMetrics
 
resetAllMinMax() - Method in interface org.apache.hadoop.ipc.metrics.RpcMgtMBean
Reset all min max times
resetMinMax() - Method in class org.apache.hadoop.metrics.util.MetricsTimeVaryingRate
Reset the min max values
resetState() - Method in class org.apache.hadoop.io.compress.CompressionInputStream
Reset the decompressor to its initial state and discard any buffered data, as the underlying stream may have been repositioned.
resetState() - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
Reset the compression to the initial state.
resetState() - Method in class org.apache.hadoop.io.compress.GzipCodec.GzipInputStream
 
resetState() - Method in class org.apache.hadoop.io.compress.GzipCodec.GzipOutputStream
 
resolve(List<String>) - Method in interface org.apache.hadoop.net.DNSToSwitchMapping
Resolves a list of DNS-names/IP-addresses and returns back a list of switch information (network paths).
resolve(List<String>) - Method in class org.apache.hadoop.net.ScriptBasedMapping
 
resolveAndAddToTopology(String) - Method in class org.apache.hadoop.mapred.JobTracker
 
resume() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
resume the suspended thread
retrieveBlock(Block, long) - Method in interface org.apache.hadoop.fs.s3.FileSystemStore
 
retrieveINode(Path) - Method in interface org.apache.hadoop.fs.s3.FileSystemStore
 
RETRY_FOREVER - Static variable in class org.apache.hadoop.io.retry.RetryPolicies
Keep trying forever.
retryByException(RetryPolicy, Map<Class<? extends Exception>, RetryPolicy>) - Static method in class org.apache.hadoop.io.retry.RetryPolicies
Set a default policy with some explicit handlers for specific exceptions.
retryByRemoteException(RetryPolicy, Map<Class<? extends Exception>, RetryPolicy>) - Static method in class org.apache.hadoop.io.retry.RetryPolicies
A retry policy for RemoteException Set a default policy with some explicit handlers for specific exceptions.
RetryPolicies - Class in org.apache.hadoop.io.retry
A collection of useful implementations of RetryPolicy.
RetryPolicies() - Constructor for class org.apache.hadoop.io.retry.RetryPolicies
 
RetryPolicy - Interface in org.apache.hadoop.io.retry
Specifies a policy for retrying method failures.
RetryProxy - Class in org.apache.hadoop.io.retry
A factory for creating retry proxies.
RetryProxy() - Constructor for class org.apache.hadoop.io.retry.RetryProxy
 
retryUpToMaximumCountWithFixedSleep(int, long, TimeUnit) - Static method in class org.apache.hadoop.io.retry.RetryPolicies
Keep trying a limited number of times, waiting a fixed time between attempts, and then fail by re-throwing the exception.
retryUpToMaximumCountWithProportionalSleep(int, long, TimeUnit) - Static method in class org.apache.hadoop.io.retry.RetryPolicies
Keep trying a limited number of times, waiting a growing amount of time between attempts, and then fail by re-throwing the exception.
retryUpToMaximumTimeWithFixedSleep(long, long, TimeUnit) - Static method in class org.apache.hadoop.io.retry.RetryPolicies
Keep trying for a maximum time, waiting a fixed time between attempts, and then fail by re-throwing the exception.
returnCompressor(Compressor) - Static method in class org.apache.hadoop.io.compress.CodecPool
Return the Compressor to the pool.
returnDecompressor(Decompressor) - Static method in class org.apache.hadoop.io.compress.CodecPool
Return the Decompressor to the pool.
reverseDns(InetAddress, String) - Static method in class org.apache.hadoop.net.DNS
Returns the hostname associated with the specified IP address by the provided nameserver.
RIO_PREFIX - Static variable in class org.apache.hadoop.record.compiler.Consts
 
rjustify(String, int) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
rollEditLog() - Method in class org.apache.hadoop.dfs.NameNode
Roll the edit log.
rollFsImage() - Method in class org.apache.hadoop.dfs.NameNode
Roll the image
ROOT - Static variable in class org.apache.hadoop.net.NodeBase
 
RoundRobinDistributionPolicy - Class in org.apache.hadoop.contrib.index.example
Choose a shard for each insert in a round-robin fashion.
RoundRobinDistributionPolicy() - Constructor for class org.apache.hadoop.contrib.index.example.RoundRobinDistributionPolicy
 
RPC - Class in org.apache.hadoop.ipc
A simple RPC mechanism.
RPC.Server - Class in org.apache.hadoop.ipc
An RPC Server.
RPC.Server(Object, Configuration, String, int) - Constructor for class org.apache.hadoop.ipc.RPC.Server
Construct an RPC server.
RPC.Server(Object, Configuration, String, int, int, boolean) - Constructor for class org.apache.hadoop.ipc.RPC.Server
Construct an RPC server.
RPC.VersionMismatch - Exception in org.apache.hadoop.ipc
A version mismatch for the RPC protocol.
RPC.VersionMismatch(String, long, long) - Constructor for exception org.apache.hadoop.ipc.RPC.VersionMismatch
Create a version mismatch exception
RpcMetrics - Class in org.apache.hadoop.ipc.metrics
This class is for maintaining the various RPC statistics and publishing them through the metrics interfaces.
RpcMetrics(String, String, Server) - Constructor for class org.apache.hadoop.ipc.metrics.RpcMetrics
 
rpcMetrics - Variable in class org.apache.hadoop.ipc.Server
 
RpcMgtMBean - Interface in org.apache.hadoop.ipc.metrics
This is the JMX management interface for the RPC layer.
rpcProcessingTime - Variable in class org.apache.hadoop.ipc.metrics.RpcMetrics
 
rpcQueueTime - Variable in class org.apache.hadoop.ipc.metrics.RpcMetrics
The metrics variables are public: - they can be set directly by calling their set/inc methods -they can also be read directly - e.g.
rrCstrMap - Static variable in class org.apache.hadoop.mapred.join.Parser.Node
 
RTI_FILTER - Static variable in class org.apache.hadoop.record.compiler.Consts
 
RTI_FILTER_FIELDS - Static variable in class org.apache.hadoop.record.compiler.Consts
 
RTI_VAR - Static variable in class org.apache.hadoop.record.compiler.Consts
 
run(Configuration, Path[], Path, int, Shard[]) - Method in interface org.apache.hadoop.contrib.index.mapred.IIndexUpdater
Create a Map/Reduce job configuration and run the Map/Reduce job to analyze documents and update Lucene instances in parallel.
run(Configuration, Path[], Path, int, Shard[]) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdater
 
run(String[]) - Method in class org.apache.hadoop.dfs.Balancer
main method of Balancer
run() - Method in class org.apache.hadoop.dfs.DataBlockScanner
 
run() - Method in class org.apache.hadoop.dfs.DataNode
No matter what kind of exception we get, keep retrying to offerService().
run(String[]) - Method in class org.apache.hadoop.dfs.DFSAdmin
 
run(String[]) - Method in class org.apache.hadoop.dfs.DFSck
 
run(String[]) - Method in class org.apache.hadoop.dfs.NamenodeFsck
 
run() - Method in class org.apache.hadoop.dfs.SecondaryNameNode
 
run(String[]) - Method in class org.apache.hadoop.examples.dancing.DistributedPentomino
 
run(String[]) - Method in class org.apache.hadoop.examples.Grep
 
run(String[]) - Method in class org.apache.hadoop.examples.Join
The main driver for sort program.
run(String[]) - Method in class org.apache.hadoop.examples.MultiFileWordCount
 
run(String[]) - Method in class org.apache.hadoop.examples.PiEstimator
Launches all the tasks in order.
run(String[]) - Method in class org.apache.hadoop.examples.RandomTextWriter
This is the main routine for launching a distributed random write job.
run(String[]) - Method in class org.apache.hadoop.examples.RandomWriter
This is the main routine for launching a distributed random write job.
run(int, int, long, long, long, long) - Method in class org.apache.hadoop.examples.SleepJob
 
run(String[]) - Method in class org.apache.hadoop.examples.SleepJob
 
run(String[]) - Method in class org.apache.hadoop.examples.Sort
The main driver for sort program.
run(String[]) - Method in class org.apache.hadoop.examples.WordCount
The main driver for word count map/reduce program.
run(String[]) - Method in class org.apache.hadoop.fs.FsShell
run
run(String[]) - Method in class org.apache.hadoop.fs.s3.MigrationTool
 
run(Path) - Method in class org.apache.hadoop.fs.shell.Command
Execute the command on the input path
run(Path) - Method in class org.apache.hadoop.fs.shell.Count
 
run(String[]) - Method in class org.apache.hadoop.mapred.JobClient
 
run() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
The main loop for the thread.
run() - Method in class org.apache.hadoop.mapred.JobHistory.HistoryCleaner
Cleans up history data.
run(String[]) - Method in class org.apache.hadoop.mapred.JobShell
run method from Tool
run(RecordReader<K1, V1>, OutputCollector<K2, V2>, Reporter) - Method in class org.apache.hadoop.mapred.lib.MultithreadedMapRunner
 
run(RecordReader<K1, V1>, OutputCollector<K2, V2>, Reporter) - Method in interface org.apache.hadoop.mapred.MapRunnable
Start mapping input <key, value> pairs.
run(RecordReader<K1, V1>, OutputCollector<K2, V2>, Reporter) - Method in class org.apache.hadoop.mapred.MapRunner
 
run() - Method in class org.apache.hadoop.mapred.TaskTracker
The server retry loop.
run() - Method in class org.apache.hadoop.util.Shell
check to see if a command needs to be executed and execute if needed
run(String[]) - Method in interface org.apache.hadoop.util.Tool
Execute the command with the given arguments.
run(Configuration, Tool, String[]) - Static method in class org.apache.hadoop.util.ToolRunner
Runs the given Tool by Tool.run(String[]), after parsing with the given generic arguments.
run(Tool, String[]) - Static method in class org.apache.hadoop.util.ToolRunner
Runs the Tool with its Configuration.
runAll() - Method in class org.apache.hadoop.fs.shell.Command
For each source path, execute the command
RunJar - Class in org.apache.hadoop.util
Run a Hadoop job jar.
RunJar() - Constructor for class org.apache.hadoop.util.RunJar
 
runJob(JobConf) - Static method in class org.apache.hadoop.contrib.utils.join.DataJoinJob
Submit/run a map/reduce job.
runJob(JobConf) - Static method in class org.apache.hadoop.mapred.JobClient
Utility that submits a job, then polls for progress until the job is complete.
RUNNING - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
RUNNING - Static variable in class org.apache.hadoop.mapred.JobStatus
 
running_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
RunningJob - Interface in org.apache.hadoop.mapred
RunningJob is the user-interface to query for details on a running Map-Reduce job.
runningJobs() - Method in class org.apache.hadoop.mapred.JobTracker
 

S

S3Credentials - Class in org.apache.hadoop.fs.s3
Extracts AWS credentials from the filesystem URI or configuration.
S3Credentials() - Constructor for class org.apache.hadoop.fs.s3.S3Credentials
 
S3Exception - Exception in org.apache.hadoop.fs.s3
Thrown if there is a problem communicating with Amazon S3.
S3Exception(Throwable) - Constructor for exception org.apache.hadoop.fs.s3.S3Exception
 
S3FileSystem - Class in org.apache.hadoop.fs.s3
A block-based FileSystem backed by Amazon S3.
S3FileSystem() - Constructor for class org.apache.hadoop.fs.s3.S3FileSystem
 
S3FileSystem(FileSystemStore) - Constructor for class org.apache.hadoop.fs.s3.S3FileSystem
 
S3FileSystemException - Exception in org.apache.hadoop.fs.s3
Thrown when there is a fatal exception while using S3FileSystem.
S3FileSystemException(String) - Constructor for exception org.apache.hadoop.fs.s3.S3FileSystemException
 
safeGetCanonicalPath(File) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
SafeModeException - Exception in org.apache.hadoop.dfs
This exception is thrown when the name node is in safe mode.
SafeModeException(String, FSNamesystem.SafeModeInfo) - Constructor for exception org.apache.hadoop.dfs.SafeModeException
 
safeModeTime - Variable in class org.apache.hadoop.dfs.NameNodeMetrics
 
saveToConf(Configuration, String, UnixUserGroupInformation) - Static method in class org.apache.hadoop.security.UnixUserGroupInformation
Store the given ugi as a comma separated string in conf as a property attr The String starts with the user name followed by the default group names, and other group names.
scheduleBlockReport(long) - Method in class org.apache.hadoop.dfs.DataNode
This methods arranges for the data node to send the block report at the next heartbeat.
scheduledReplicationBlocks - Variable in class org.apache.hadoop.dfs.FSNamesystemMetrics
 
ScriptBasedMapping - Class in org.apache.hadoop.net
This class implements the DNSToSwitchMapping interface using a script configured via topology.script.file.name .
ScriptBasedMapping() - Constructor for class org.apache.hadoop.net.ScriptBasedMapping
 
SecondaryNameNode - Class in org.apache.hadoop.dfs
The Secondary NameNode is a helper to the primary NameNode.
seek(long) - Method in class org.apache.hadoop.fs.BufferedFSInputStream
 
seek(long) - Method in class org.apache.hadoop.fs.FSDataInputStream
 
seek(long) - Method in class org.apache.hadoop.fs.FSInputChecker
Seek to the given position in the stream.
seek(long) - Method in class org.apache.hadoop.fs.FSInputStream
Seek to the given offset from the start of the file.
seek(long) - Method in class org.apache.hadoop.fs.ftp.FTPInputStream
 
seek(long) - Method in interface org.apache.hadoop.fs.Seekable
Seek to the given offset from the start of the file.
seek(long) - Method in class org.apache.hadoop.io.ArrayFile.Reader
Positions the reader before its nth value.
seek(WritableComparable) - Method in class org.apache.hadoop.io.MapFile.Reader
Positions the reader at the named key, or if none such exists, at the first entry after the named key.
seek(long) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Set the current byte position in the input file.
seek(WritableComparable) - Method in class org.apache.hadoop.io.SetFile.Reader
 
seek(long) - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
Seekable - Interface in org.apache.hadoop.fs
Stream that permits seeking.
seekNextRecordBoundary() - Method in class org.apache.hadoop.streaming.StreamBaseRecordReader
Implementation should seek forward in_ to the first byte of the next record.
seekNextRecordBoundary() - Method in class org.apache.hadoop.streaming.StreamXmlRecordReader
 
seekToNewSource(long) - Method in class org.apache.hadoop.fs.BufferedFSInputStream
 
seekToNewSource(long) - Method in class org.apache.hadoop.fs.FSDataInputStream
 
seekToNewSource(long) - Method in class org.apache.hadoop.fs.FSInputStream
Seeks a different copy of the data.
seekToNewSource(long) - Method in class org.apache.hadoop.fs.ftp.FTPInputStream
 
seekToNewSource(long) - Method in interface org.apache.hadoop.fs.Seekable
Seeks a different copy of the data.
seenPrimary_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
SEMICOLON_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
sendHeartbeat(DatanodeRegistration, long, long, long, int, int) - Method in class org.apache.hadoop.dfs.NameNode
Data node notify the name node that it is alive Return a block-oriented command for the datanode to execute.
SEPARATOR - Static variable in class org.apache.hadoop.fs.Path
The directory separator, a slash.
SEPARATOR_CHAR - Static variable in class org.apache.hadoop.fs.Path
 
SequenceFile - Class in org.apache.hadoop.io
SequenceFiles are flat files consisting of binary key/value pairs.
SequenceFile.CompressionType - Enum in org.apache.hadoop.io
The compression type used to compress key/value pairs in the SequenceFile.
SequenceFile.Metadata - Class in org.apache.hadoop.io
The class encapsulating with the metadata of a file.
SequenceFile.Metadata() - Constructor for class org.apache.hadoop.io.SequenceFile.Metadata
 
SequenceFile.Metadata(TreeMap<Text, Text>) - Constructor for class org.apache.hadoop.io.SequenceFile.Metadata
 
SequenceFile.Reader - Class in org.apache.hadoop.io
Reads key/value pairs from a sequence-format file.
SequenceFile.Reader(FileSystem, Path, Configuration) - Constructor for class org.apache.hadoop.io.SequenceFile.Reader
Open the named file.
SequenceFile.Sorter - Class in org.apache.hadoop.io
Sorts key/value pairs in a sequence-format file.
SequenceFile.Sorter(FileSystem, Class, Class, Configuration) - Constructor for class org.apache.hadoop.io.SequenceFile.Sorter
Sort and merge files containing the named classes.
SequenceFile.Sorter(FileSystem, RawComparator, Class, Class, Configuration) - Constructor for class org.apache.hadoop.io.SequenceFile.Sorter
Sort and merge using an arbitrary RawComparator.
SequenceFile.Sorter.RawKeyValueIterator - Interface in org.apache.hadoop.io
The interface to iterate over raw keys/values of SequenceFiles.
SequenceFile.Sorter.SegmentDescriptor - Class in org.apache.hadoop.io
This class defines a merge segment.
SequenceFile.Sorter.SegmentDescriptor(long, long, Path) - Constructor for class org.apache.hadoop.io.SequenceFile.Sorter.SegmentDescriptor
Constructs a segment
SequenceFile.ValueBytes - Interface in org.apache.hadoop.io
The interface to 'raw' values of SequenceFiles.
SequenceFile.Writer - Class in org.apache.hadoop.io
Write key/value pairs to a sequence-format file.
SequenceFile.Writer(FileSystem, Configuration, Path, Class, Class) - Constructor for class org.apache.hadoop.io.SequenceFile.Writer
Create the named file.
SequenceFile.Writer(FileSystem, Configuration, Path, Class, Class, Progressable, SequenceFile.Metadata) - Constructor for class org.apache.hadoop.io.SequenceFile.Writer
Create the named file with write-progress reporter.
SequenceFile.Writer(FileSystem, Configuration, Path, Class, Class, int, short, long, Progressable, SequenceFile.Metadata) - Constructor for class org.apache.hadoop.io.SequenceFile.Writer
Create the named file with write-progress reporter.
SequenceFileAsBinaryInputFormat - Class in org.apache.hadoop.mapred
InputFormat reading keys, values from SequenceFiles in binary (raw) format.
SequenceFileAsBinaryInputFormat() - Constructor for class org.apache.hadoop.mapred.SequenceFileAsBinaryInputFormat
 
SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader - Class in org.apache.hadoop.mapred
Read records from a SequenceFile as binary (raw) bytes.
SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader(Configuration, FileSplit) - Constructor for class org.apache.hadoop.mapred.SequenceFileAsBinaryInputFormat.SequenceFileAsBinaryRecordReader
 
SequenceFileAsBinaryOutputFormat - Class in org.apache.hadoop.mapred
An OutputFormat that writes keys, values to SequenceFiles in binary(raw) format
SequenceFileAsBinaryOutputFormat() - Constructor for class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat
 
SequenceFileAsBinaryOutputFormat.WritableValueBytes - Class in org.apache.hadoop.mapred
Inner class used for appendRaw
SequenceFileAsBinaryOutputFormat.WritableValueBytes() - Constructor for class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat.WritableValueBytes
 
SequenceFileAsBinaryOutputFormat.WritableValueBytes(BytesWritable) - Constructor for class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat.WritableValueBytes
 
SequenceFileAsTextInputFormat - Class in org.apache.hadoop.mapred
This class is similar to SequenceFileInputFormat, except it generates SequenceFileAsTextRecordReader which converts the input keys and values to their String forms by calling toString() method.
SequenceFileAsTextInputFormat() - Constructor for class org.apache.hadoop.mapred.SequenceFileAsTextInputFormat
 
SequenceFileAsTextRecordReader - Class in org.apache.hadoop.mapred
This class converts the input keys and values to their String forms by calling toString() method.
SequenceFileAsTextRecordReader(Configuration, FileSplit) - Constructor for class org.apache.hadoop.mapred.SequenceFileAsTextRecordReader
 
SequenceFileInputFilter<K,V> - Class in org.apache.hadoop.mapred
A class that allows a map/red job to work on a sample of sequence files.
SequenceFileInputFilter() - Constructor for class org.apache.hadoop.mapred.SequenceFileInputFilter
 
SequenceFileInputFilter.Filter - Interface in org.apache.hadoop.mapred
filter interface
SequenceFileInputFilter.FilterBase - Class in org.apache.hadoop.mapred
base class for Filters
SequenceFileInputFilter.FilterBase() - Constructor for class org.apache.hadoop.mapred.SequenceFileInputFilter.FilterBase
 
SequenceFileInputFilter.MD5Filter - Class in org.apache.hadoop.mapred
This class returns a set of records by examing the MD5 digest of its key against a filtering frequency f.
SequenceFileInputFilter.MD5Filter() - Constructor for class org.apache.hadoop.mapred.SequenceFileInputFilter.MD5Filter
 
SequenceFileInputFilter.PercentFilter - Class in org.apache.hadoop.mapred
This class returns a percentage of records The percentage is determined by a filtering frequency f using the criteria record# % f == 0.
SequenceFileInputFilter.PercentFilter() - Constructor for class org.apache.hadoop.mapred.SequenceFileInputFilter.PercentFilter
 
SequenceFileInputFilter.RegexFilter - Class in org.apache.hadoop.mapred
Records filter by matching key to regex
SequenceFileInputFilter.RegexFilter() - Constructor for class org.apache.hadoop.mapred.SequenceFileInputFilter.RegexFilter
 
SequenceFileInputFormat<K,V> - Class in org.apache.hadoop.mapred
An InputFormat for SequenceFiles.
SequenceFileInputFormat() - Constructor for class org.apache.hadoop.mapred.SequenceFileInputFormat
 
SequenceFileOutputFormat<K,V> - Class in org.apache.hadoop.mapred
An OutputFormat that writes SequenceFiles.
SequenceFileOutputFormat() - Constructor for class org.apache.hadoop.mapred.SequenceFileOutputFormat
 
SequenceFileRecordReader<K,V> - Class in org.apache.hadoop.mapred
An RecordReader for SequenceFiles.
SequenceFileRecordReader(Configuration, FileSplit) - Constructor for class org.apache.hadoop.mapred.SequenceFileRecordReader
 
Serialization<T> - Interface in org.apache.hadoop.io.serializer
Encapsulates a Serializer/Deserializer pair.
SerializationFactory - Class in org.apache.hadoop.io.serializer
A factory for Serializations.
SerializationFactory(Configuration) - Constructor for class org.apache.hadoop.io.serializer.SerializationFactory
Serializations are found by reading the io.serializations property from conf, which is a comma-delimited list of classnames.
serialize() - Method in class org.apache.hadoop.fs.s3.INode
 
serialize(T) - Method in interface org.apache.hadoop.io.serializer.Serializer
Serialize t to the underlying output stream.
serialize(RecordOutput, String) - Method in class org.apache.hadoop.record.meta.RecordTypeInfo
Serialize the type information for a record
serialize(RecordOutput, String) - Method in class org.apache.hadoop.record.Record
Serialize a record with tag (ususally field name)
serialize(RecordOutput) - Method in class org.apache.hadoop.record.Record
Serialize a record without a tag
Serializer<T> - Interface in org.apache.hadoop.io.serializer
Provides a facility for serializing objects of type to an OutputStream.
Server - Class in org.apache.hadoop.ipc
An abstract IPC service.
Server(String, int, Class, int, Configuration) - Constructor for class org.apache.hadoop.ipc.Server
 
Server(String, int, Class<?>, int, Configuration, String) - Constructor for class org.apache.hadoop.ipc.Server
Constructs a server listening on the named port and address.
ServletUtil - Class in org.apache.hadoop.util
 
ServletUtil() - Constructor for class org.apache.hadoop.util.ServletUtil
 
set(String, String) - Method in class org.apache.hadoop.conf.Configuration
Set the value of the name property.
set(Checksum, int, int) - Method in class org.apache.hadoop.fs.FSInputChecker
Set the checksum related parameters
set(Writable[]) - Method in class org.apache.hadoop.io.ArrayWritable
 
set(boolean) - Method in class org.apache.hadoop.io.BooleanWritable
Set the value of the BooleanWritable
set(BytesWritable) - Method in class org.apache.hadoop.io.BytesWritable
Set the BytesWritable to the contents of the given newData.
set(byte[], int, int) - Method in class org.apache.hadoop.io.BytesWritable
Set the value to a copy of the given byte range
set(byte) - Method in class org.apache.hadoop.io.ByteWritable
Set the value of this ByteWritable.
set(double) - Method in class org.apache.hadoop.io.DoubleWritable
 
set(float) - Method in class org.apache.hadoop.io.FloatWritable
Set the value of this FloatWritable.
set(Writable) - Method in class org.apache.hadoop.io.GenericWritable
Set the instance that is wrapped.
set(int) - Method in class org.apache.hadoop.io.IntWritable
Set the value of this IntWritable.
set(long) - Method in class org.apache.hadoop.io.LongWritable
Set the value of this LongWritable.
set(MD5Hash) - Method in class org.apache.hadoop.io.MD5Hash
Copy the contents of another instance into this instance.
set(Object) - Method in class org.apache.hadoop.io.ObjectWritable
Reset the instance.
set(Text, Text) - Method in class org.apache.hadoop.io.SequenceFile.Metadata
 
set(String) - Method in class org.apache.hadoop.io.Text
Set to contain the contents of a string.
set(byte[]) - Method in class org.apache.hadoop.io.Text
Set to a utf8 byte array
set(Text) - Method in class org.apache.hadoop.io.Text
copy a text.
set(byte[], int, int) - Method in class org.apache.hadoop.io.Text
Set the Text to range of bytes
set(Writable[][]) - Method in class org.apache.hadoop.io.TwoDArrayWritable
 
set(String) - Method in class org.apache.hadoop.io.UTF8
Deprecated. Set to contain the contents of a string.
set(UTF8) - Method in class org.apache.hadoop.io.UTF8
Deprecated. Set to contain the contents of a string.
set(int) - Method in class org.apache.hadoop.io.VIntWritable
Set the value of this VIntWritable.
set(long) - Method in class org.apache.hadoop.io.VLongWritable
Set the value of this LongWritable.
set(int) - Method in class org.apache.hadoop.metrics.util.MetricsIntValue
Set the value
set(long) - Method in class org.apache.hadoop.metrics.util.MetricsLongValue
Set the value
set(byte[]) - Method in class org.apache.hadoop.record.Buffer
Use the specified bytes array as underlying sequence.
set(float) - Method in class org.apache.hadoop.util.Progress
Called during execution on a leaf node to set its progress.
SET_GROUP_COMMAND - Static variable in class org.apache.hadoop.util.Shell
 
SET_OWNER_COMMAND - Static variable in class org.apache.hadoop.util.Shell
a Unix command to set owner
SET_PERMISSION_COMMAND - Static variable in class org.apache.hadoop.util.Shell
a Unix command to set permission
setAggregatorDescriptors(JobConf, Class<? extends ValueAggregatorDescriptor>[]) - Static method in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
 
setArchiveTimestamps(Configuration, String) - Static method in class org.apache.hadoop.filecache.DistributedCache
This is to check the timestamp of the archives to be localized
setAssignedJobID(JobID) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Set the mapred ID for this job as assigned by the mapred framework.
setAttribute(String, Object) - Method in class org.apache.hadoop.mapred.StatusHttpServer
Set a value in the webapp context.
setAttribute(String, Object) - Method in class org.apache.hadoop.metrics.ContextFactory
Sets the named factory attribute to the specified value, creating it if it did not already exist.
setBoolean(String, boolean) - Method in class org.apache.hadoop.conf.Configuration
Set the value of the name property to a boolean.
setCacheArchives(URI[], Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
Set the configuration with the given set of archives
setCacheFiles(URI[], Configuration) - Static method in class org.apache.hadoop.filecache.DistributedCache
Set the configuration with the given set of files
setCapacity(int) - Method in class org.apache.hadoop.io.BytesWritable
Change the capacity of the backing storage.
setCapacity(int) - Method in class org.apache.hadoop.record.Buffer
Change the capacity of the backing storage.
setChannelPosition(Block, FSDatasetInterface.BlockWriteStreams, long, long) - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Sets the file pointer of the data stream and checksum stream to the specified values.
setClass(String, Class<?>, Class<?>) - Method in class org.apache.hadoop.conf.Configuration
Set the value of the name property to the name of a theClass implementing the given interface xface.
setClassLoader(ClassLoader) - Method in class org.apache.hadoop.conf.Configuration
Set the class loader that will be used to load the various objects.
setCodecClasses(Configuration, List<Class>) - Static method in class org.apache.hadoop.io.compress.CompressionCodecFactory
Sets a list of codec classes in the configuration.
setCombineOnceOnly(boolean) - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. 
setCombinerClass(Class<? extends Reducer>) - Method in class org.apache.hadoop.mapred.JobConf
Set the user-defined combiner class used to combine map-outputs before being sent to the reducers.
setCompressionType(Configuration, SequenceFile.CompressionType) - Static method in class org.apache.hadoop.io.SequenceFile
Deprecated. Use the one of the many SequenceFile.createWriter methods to specify the SequenceFile.CompressionType while creating the SequenceFile or JobConf.setMapOutputCompressionType(org.apache.hadoop.io.SequenceFile.CompressionType) to specify the SequenceFile.CompressionType for intermediate map-outputs or SequenceFileOutputFormat.setOutputCompressionType(org.apache.hadoop.mapred.JobConf, org.apache.hadoop.io.SequenceFile.CompressionType) to specify the SequenceFile.CompressionType for job-outputs. or
setCompressMapOutput(boolean) - Method in class org.apache.hadoop.mapred.JobConf
Should the map outputs be compressed before transfer? Uses the SequenceFile compression.
setCompressOutput(JobConf, boolean) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
Set whether the output of the job is compressed.
setCompressOutput(JobConf, boolean) - Static method in class org.apache.hadoop.mapred.OutputFormatBase
Deprecated. Set whether the output of the job is compressed.
setConf(Configuration) - Method in interface org.apache.hadoop.conf.Configurable
Set the configuration to be used by this object.
setConf(Configuration) - Method in class org.apache.hadoop.conf.Configured
 
setConf(Configuration) - Method in class org.apache.hadoop.dfs.Balancer
set this balancer's configuration
setConf(Configuration) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
setConf(Configuration) - Method in class org.apache.hadoop.io.AbstractMapWritable
 
setConf(Configuration) - Method in class org.apache.hadoop.io.compress.DefaultCodec
 
setConf(Configuration) - Method in class org.apache.hadoop.io.compress.LzoCodec
 
setConf(Configuration) - Method in class org.apache.hadoop.io.GenericWritable
 
setConf(Configuration) - Method in class org.apache.hadoop.io.ObjectWritable
 
setConf(Configuration) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Set the configuration to be used by this object.
setConf(Configuration) - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter.MD5Filter
configure the filter according to configuration
setConf(Configuration) - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter.PercentFilter
configure the filter by checking the configuration
setConf(Configuration) - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter.RegexFilter
configure the Filter by checking the configuration
setConf(Configuration) - Method in class org.apache.hadoop.net.ScriptBasedMapping
 
setConf(Configuration) - Method in class org.apache.hadoop.net.SocksSocketFactory
 
setConf(Object, Configuration) - Static method in class org.apache.hadoop.util.ReflectionUtils
Check and set 'configuration' if necessary.
setContentionTracing(boolean) - Static method in class org.apache.hadoop.util.ReflectionUtils
 
setCorruptFiles(long) - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
 
setCurrentUGI(UserGroupInformation) - Static method in class org.apache.hadoop.security.UserGroupInformation
Set the UserGroupInformation for the current thread
setDebugStream(PrintStream) - Method in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
setDefaultUri(Configuration, URI) - Static method in class org.apache.hadoop.fs.FileSystem
Set the default filesystem URI in a configuration.
setDefaultUri(Configuration, String) - Static method in class org.apache.hadoop.fs.FileSystem
Set the default filesystem URI in a configuration.
setDelete(Term) - Method in class org.apache.hadoop.contrib.index.mapred.DocumentAndOp
Set the instance to be a delete operation.
setDestdir(File) - Method in class org.apache.hadoop.record.compiler.ant.RccTask
Sets directory where output files will be generated
setDictionary(byte[], int, int) - Method in interface org.apache.hadoop.io.compress.Compressor
Sets preset dictionary for compression.
setDictionary(byte[], int, int) - Method in interface org.apache.hadoop.io.compress.Decompressor
Sets preset dictionary for compression.
setDictionary(byte[], int, int) - Method in class org.apache.hadoop.io.compress.lzo.LzoCompressor
 
setDictionary(byte[], int, int) - Method in class org.apache.hadoop.io.compress.lzo.LzoDecompressor
 
setDictionary(byte[], int, int) - Method in class org.apache.hadoop.io.compress.zlib.ZlibCompressor
 
setDictionary(byte[], int, int) - Method in class org.apache.hadoop.io.compress.zlib.ZlibDecompressor
 
setDigest(String) - Method in class org.apache.hadoop.io.MD5Hash
Sets the digest value from a hex string.
setDisableHistory(boolean) - Static method in class org.apache.hadoop.mapred.JobHistory
Enable/disable history logging.
setDistributionPolicyClass(Class<? extends IDistributionPolicy>) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Set the distribution policy class.
setDocumentAnalyzerClass(Class<? extends Analyzer>) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Set the analyzer class.
setDoubleValue(Object, double) - Method in class org.apache.hadoop.contrib.utils.join.JobBase
Set the given counter to the given value
setEnvironment(Map<String, String>) - Method in class org.apache.hadoop.util.Shell
set the environment for the command
setEventId(int) - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
set event Id.
setExcessiveReplicas(long) - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
 
setExecutable(JobConf, String) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
Set the URI for the application's executable.
setFactor(int) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Set the number of streams to merge at once.
setFactory(Class, WritableFactory) - Static method in class org.apache.hadoop.io.WritableFactories
Define a factory for a class.
setFailonerror(boolean) - Method in class org.apache.hadoop.record.compiler.ant.RccTask
Given multiple files (via fileset), set the error handling behavior
SetFile - Class in org.apache.hadoop.io
A file-based set of keys.
SetFile() - Constructor for class org.apache.hadoop.io.SetFile
 
setFile(File) - Method in class org.apache.hadoop.record.compiler.ant.RccTask
Sets the record definition file attribute
SetFile.Reader - Class in org.apache.hadoop.io
Provide access to an existing set file.
SetFile.Reader(FileSystem, String, Configuration) - Constructor for class org.apache.hadoop.io.SetFile.Reader
Construct a set reader for the named set.
SetFile.Reader(FileSystem, String, WritableComparator, Configuration) - Constructor for class org.apache.hadoop.io.SetFile.Reader
Construct a set reader for the named set using the named comparator.
SetFile.Writer - Class in org.apache.hadoop.io
Write a new set file.
SetFile.Writer(FileSystem, String, Class) - Constructor for class org.apache.hadoop.io.SetFile.Writer
Deprecated. pass a Configuration too
SetFile.Writer(Configuration, FileSystem, String, Class, SequenceFile.CompressionType) - Constructor for class org.apache.hadoop.io.SetFile.Writer
Create a set naming the element class and compression type.
SetFile.Writer(Configuration, FileSystem, String, WritableComparator, SequenceFile.CompressionType) - Constructor for class org.apache.hadoop.io.SetFile.Writer
Create a set naming the element comparator and compression type.
setFileTimestamps(Configuration, String) - Static method in class org.apache.hadoop.filecache.DistributedCache
This is to check the timestamp of the files to be localized
setFilterClass(Configuration, Class) - Static method in class org.apache.hadoop.mapred.SequenceFileInputFilter
set the filter class
setFormat(JobConf) - Method in class org.apache.hadoop.mapred.join.CompositeInputFormat
Interpret a given string as a composite expression.
setFrequency(Configuration, int) - Static method in class org.apache.hadoop.mapred.SequenceFileInputFilter.MD5Filter
set the filtering frequency in configuration
setFrequency(Configuration, int) - Static method in class org.apache.hadoop.mapred.SequenceFileInputFilter.PercentFilter
set the frequency and stores it in conf
setGroup(String) - Method in class org.apache.hadoop.fs.FileStatus
Sets group.
setHostName(String) - Method in class org.apache.hadoop.dfs.DatanodeInfo
 
setHosts(String[]) - Method in class org.apache.hadoop.fs.BlockLocation
Set the hosts hosting this block
setID(int) - Method in class org.apache.hadoop.mapred.join.Parser.Node
 
setIndexInputFormatClass(Class<? extends InputFormat>) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Set the index input format class.
setIndexInterval(int) - Method in class org.apache.hadoop.io.MapFile.Writer
Sets the index interval.
setIndexInterval(Configuration, int) - Static method in class org.apache.hadoop.io.MapFile.Writer
Sets the index interval and stores it in conf
setIndexMaxFieldLength(int) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Set the max field length for a Lucene instance.
setIndexMaxNumSegments(int) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Set the max number of segments for a Lucene instance.
setIndexShards(String) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Set the string representation of a number of shards.
setIndexShards(IndexUpdateConfiguration, Shard[]) - Static method in class org.apache.hadoop.contrib.index.mapred.Shard
 
setIndexUpdaterClass(Class<? extends IIndexUpdater>) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Set the index updater class.
setIndexUseCompoundFile(boolean) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Set whether use the compound file format for a Lucene instance.
setInput(byte[], int, int) - Method in interface org.apache.hadoop.io.compress.Compressor
Sets input data for compression.
setInput(byte[], int, int) - Method in interface org.apache.hadoop.io.compress.Decompressor
Sets input data for decompression.
setInput(byte[], int, int) - Method in class org.apache.hadoop.io.compress.lzo.LzoCompressor
 
setInput(byte[], int, int) - Method in class org.apache.hadoop.io.compress.lzo.LzoDecompressor
 
setInput(byte[], int, int) - Method in class org.apache.hadoop.io.compress.zlib.ZlibCompressor
 
setInput(byte[], int, int) - Method in class org.apache.hadoop.io.compress.zlib.ZlibDecompressor
 
setInputFormat(Class<? extends InputFormat>) - Method in class org.apache.hadoop.mapred.JobConf
Set the InputFormat implementation for the map-reduce job.
setInputPath(Path) - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. Use FileInputFormat.setInputPaths(JobConf, Path...) or FileInputFormat.setInputPaths(JobConf, String)
setInputPathFilter(JobConf, Class<? extends PathFilter>) - Static method in class org.apache.hadoop.mapred.FileInputFormat
Set a PathFilter to be applied to the input paths for the map-reduce job.
setInputPaths(JobConf, String) - Static method in class org.apache.hadoop.mapred.FileInputFormat
Sets the given comma separated paths as the list of inputs for the map-reduce job.
setInputPaths(JobConf, Path...) - Static method in class org.apache.hadoop.mapred.FileInputFormat
Set the array of Paths as the list of inputs for the map-reduce job.
setInsert(Document) - Method in class org.apache.hadoop.contrib.index.mapred.DocumentAndOp
Set the instance to be an insert operation.
setInt(String, int) - Method in class org.apache.hadoop.conf.Configuration
Set the value of the name property to an int.
setIOSortMB(int) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Set the IO sort space in MB.
setIsJavaMapper(JobConf, boolean) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
Set whether the Mapper is written in Java.
setIsJavaRecordReader(JobConf, boolean) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
Set whether the job is using a Java RecordReader.
setIsJavaRecordWriter(JobConf, boolean) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
Set whether the job will use a Java RecordWriter.
setIsJavaReducer(JobConf, boolean) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
Set whether the Reducer is written in Java.
setJar(String) - Method in class org.apache.hadoop.mapred.JobConf
Set the user jar for the map-reduce job.
setJarByClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
Set the job's jar file by finding an example class location.
setJobConf(JobConf) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Set the mapred job conf for this job.
setJobConf() - Method in class org.apache.hadoop.streaming.StreamJob
 
setJobEndNotificationURI(String) - Method in class org.apache.hadoop.mapred.JobConf
Set the uri to be invoked in-order to send a notification after the job has completed (success/failure).
setJobID(String) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Set the job ID for this job.
setJobName(String) - Method in class org.apache.hadoop.mapred.JobConf
Set the user-specified job name.
setJobName(String) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Set the job name for this job.
setJobPriority(JobPriority) - Method in class org.apache.hadoop.mapred.JobConf
Set JobPriority for this job.
setKeepCommandFile(JobConf, boolean) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
Set whether to keep the command file for debugging
setKeepFailedTaskFiles(boolean) - Method in class org.apache.hadoop.mapred.JobConf
Set whether the framework should keep the intermediate files for failed tasks.
setKeepTaskFilesPattern(String) - Method in class org.apache.hadoop.mapred.JobConf
Set a regular expression for task names that should be kept.
setKeyComparator(Class<? extends WritableComparator>) - Method in class org.apache.hadoop.mapred.join.Parser.Node
 
setLanguage(String) - Method in class org.apache.hadoop.record.compiler.ant.RccTask
Sets the output language option
setLength(long) - Method in class org.apache.hadoop.fs.BlockLocation
Set the length of block
setLevel(int) - Method in class org.apache.hadoop.dfs.DatanodeInfo
 
setLevel(int) - Method in interface org.apache.hadoop.net.Node
Set this node's level in the tree.
setLevel(int) - Method in class org.apache.hadoop.net.NodeBase
Set this node's level in the tree
setLoadNativeLibraries(JobConf, boolean) - Method in class org.apache.hadoop.util.NativeCodeLoader
Set if native hadoop libraries, if present, can be used for this job.
setLocalAnalysisClass(Class<? extends ILocalAnalysis>) - Method in class org.apache.hadoop.contrib.index.mapred.IndexUpdateConfiguration
Set the local analysis class.
setLocalArchives(Configuration, String) - Static method in class org.apache.hadoop.filecache.DistributedCache
Set the conf to contain the location for localized archives
setLocalFiles(Configuration, String) - Static method in class org.apache.hadoop.filecache.DistributedCache
Set the conf to contain the location for localized files
setLong(String, long) - Method in class org.apache.hadoop.conf.Configuration
Set the value of the name property to a long.
setLongValue(Object, long) - Method in class org.apache.hadoop.contrib.utils.join.JobBase
Set the given counter to the given value
setMapDebugScript(String) - Method in class org.apache.hadoop.mapred.JobConf
Set the debug script to run when the map tasks fail.
setMapOutputCompressionType(SequenceFile.CompressionType) - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. SequenceFile.CompressionType is no longer valid for intermediate map-outputs.
setMapOutputCompressorClass(Class<? extends CompressionCodec>) - Method in class org.apache.hadoop.mapred.JobConf
Set the given class as the CompressionCodec for the map outputs.
setMapOutputKeyClass(Class<?>) - Method in class org.apache.hadoop.mapred.JobConf
Set the key class for the map output data.
setMapOutputValueClass(Class<?>) - Method in class org.apache.hadoop.mapred.JobConf
Set the value class for the map output data.
setMapperClass(Class<? extends Mapper>) - Method in class org.apache.hadoop.mapred.JobConf
Set the Mapper class for the job.
setMapredJobID(String) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Deprecated. use Job.setAssignedJobID(JobID) instead
setMapRunnerClass(Class<? extends MapRunnable>) - Method in class org.apache.hadoop.mapred.JobConf
Expert: Set the MapRunnable class for the job.
setMapSpeculativeExecution(boolean) - Method in class org.apache.hadoop.mapred.JobConf
Turn speculative execution on or off for this job for map tasks.
setMaxItems(long) - Method in class org.apache.hadoop.mapred.lib.aggregate.UniqValueCount
Set the limit on the number of unique values
setMaxMapAttempts(int) - Method in class org.apache.hadoop.mapred.JobConf
Expert: Set the number of maximum attempts that will be made to run a map task.
setMaxMapTaskFailuresPercent(int) - Method in class org.apache.hadoop.mapred.JobConf
Expert: Set the maximum percentage of map tasks that can fail without the job being aborted.
setMaxReduceAttempts(int) - Method in class org.apache.hadoop.mapred.JobConf
Expert: Set the number of maximum attempts that will be made to run a reduce task.
setMaxReduceTaskFailuresPercent(int) - Method in class org.apache.hadoop.mapred.JobConf
Set the maximum percentage of reduce tasks that can fail without the job being aborted.
setMaxTaskFailuresPerTracker(int) - Method in class org.apache.hadoop.mapred.JobConf
Set the maximum no.
setMemory(int) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Set the total amount of buffer memory, in bytes.
setMessage(String) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Set the message for this job.
setMetric(String, int) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named metric to the specified value.
setMetric(String, long) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named metric to the specified value.
setMetric(String, short) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named metric to the specified value.
setMetric(String, byte) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named metric to the specified value.
setMetric(String, float) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named metric to the specified value.
setMetric(String, int) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named metric to the specified value.
setMetric(String, long) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named metric to the specified value.
setMetric(String, short) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named metric to the specified value.
setMetric(String, byte) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named metric to the specified value.
setMetric(String, float) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named metric to the specified value.
setMinSplitSize(long) - Method in class org.apache.hadoop.mapred.FileInputFormat
 
setMissingReplicas(long) - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
 
setMissingSize(long) - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
 
setName(Class, String) - Static method in class org.apache.hadoop.io.WritableName
Set the name that a class should be known as to something other than the class name.
setName(String) - Method in class org.apache.hadoop.record.meta.RecordTypeInfo
set the name of the record
setNames(String[]) - Method in class org.apache.hadoop.fs.BlockLocation
Set the names (host:port) hosting this block
setNetworkLocation(String) - Method in class org.apache.hadoop.dfs.DatanodeInfo
Sets the rack name
setNetworkLocation(String) - Method in interface org.apache.hadoop.net.Node
Set the node's network location
setNetworkLocation(String) - Method in class org.apache.hadoop.net.NodeBase
Set this node's network location
setNumMapTasks(int) - Method in class org.apache.hadoop.mapred.JobConf
Set the number of map tasks for this job.
setNumReduceTasks(int) - Method in class org.apache.hadoop.mapred.JobConf
Set the requisite number of reduce tasks for this job.
setOffset(long) - Method in class org.apache.hadoop.fs.BlockLocation
Set the start offset of file associated with this block
setOp(DocumentAndOp.Op) - Method in class org.apache.hadoop.contrib.index.example.LineDocTextAndOp
Set the type of the operation.
setOutputCompressionType(JobConf, SequenceFile.CompressionType) - Static method in class org.apache.hadoop.mapred.SequenceFileOutputFormat
Set the SequenceFile.CompressionType for the output SequenceFile.
setOutputCompressorClass(JobConf, Class<? extends CompressionCodec>) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
Set the CompressionCodec to be used to compress job outputs.
setOutputCompressorClass(JobConf, Class<? extends CompressionCodec>) - Static method in class org.apache.hadoop.mapred.OutputFormatBase
Deprecated. Set the CompressionCodec to be used to compress job outputs.
setOutputFormat(Class<? extends OutputFormat>) - Method in class org.apache.hadoop.mapred.JobConf
Set the OutputFormat implementation for the map-reduce job.
setOutputKeyClass(Class<?>) - Method in class org.apache.hadoop.mapred.JobConf
Set the key class for the job output data.
setOutputKeyComparatorClass(Class<? extends RawComparator>) - Method in class org.apache.hadoop.mapred.JobConf
Set the RawComparator comparator used to compare keys.
setOutputPath(JobConf, Path) - Static method in class org.apache.hadoop.mapred.FileOutputFormat
Set the Path of the output directory for the map-reduce job.
setOutputPath(Path) - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. Use FileOutputFormat.setOutputPath(JobConf, Path) Set the Path of the output directory for the map-reduce job.

Note:

setOutputValueClass(Class<?>) - Method in class org.apache.hadoop.mapred.JobConf
Set the value class for job outputs.
setOutputValueGroupingComparator(Class<? extends RawComparator>) - Method in class org.apache.hadoop.mapred.JobConf
Set the user defined RawComparator comparator for grouping keys in the input to the reduce.
setOwner(Path, String, String) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Set owner of a path (i.e.
setOwner(String, String, String) - Method in class org.apache.hadoop.dfs.NameNode
Set owner of a path (i.e.
setOwner(String) - Method in class org.apache.hadoop.fs.FileStatus
Sets owner.
setOwner(Path, String, String) - Method in class org.apache.hadoop.fs.FileSystem
Set owner of a path (i.e.
setOwner(Path, String, String) - Method in class org.apache.hadoop.fs.FilterFileSystem
Set owner of a path (i.e.
setOwner(Path, String, String) - Method in class org.apache.hadoop.fs.HarFileSystem
not implemented.
setOwner(Path, String, String) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
Use the command chown to set owner.
setParent(Node) - Method in class org.apache.hadoop.dfs.DatanodeInfo
 
setParent(Node) - Method in interface org.apache.hadoop.net.Node
Set this node's parent
setParent(Node) - Method in class org.apache.hadoop.net.NodeBase
Set this node's parent
setPartitionerClass(Class<? extends Partitioner>) - Method in class org.apache.hadoop.mapred.JobConf
Set the Partitioner class used to partition Mapper-outputs to be sent to the Reducers.
setPathName(String) - Method in exception org.apache.hadoop.dfs.QuotaExceededException
 
setPattern(Configuration, String) - Static method in class org.apache.hadoop.mapred.SequenceFileInputFilter.RegexFilter
Define the filtering regex and stores it in conf
setPeriod(int) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Sets the timer period
setPermission(Path, FsPermission) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Set permission of a path.
setPermission(String, FsPermission) - Method in class org.apache.hadoop.dfs.NameNode
Set permissions for an existing file/directory.
setPermission(FsPermission) - Method in class org.apache.hadoop.fs.FileStatus
Sets permission.
setPermission(Path, FsPermission) - Method in class org.apache.hadoop.fs.FileSystem
Set permission of a path.
setPermission(Path, FsPermission) - Method in class org.apache.hadoop.fs.FilterFileSystem
Set permission of a path.
setPermission(Path, FsPermission) - Method in class org.apache.hadoop.fs.HarFileSystem
Not implemented.
setPermission(Path, FsPermission) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
Use the command chmod to set permission.
setPingInterval(Configuration, int) - Static method in class org.apache.hadoop.ipc.Client
set the ping interval value in configuration
setPrinter(DancingLinks.SolutionAcceptor<Pentomino.ColumnName>) - Method in class org.apache.hadoop.examples.dancing.Pentomino
Set the printer for the puzzle.
setProfileEnabled(boolean) - Method in class org.apache.hadoop.mapred.JobConf
Set whether the system should collect profiler information for some of the tasks in this job? The information is stored in the the user log directory.
setProfileParams(String) - Method in class org.apache.hadoop.mapred.JobConf
Set the profiler configuration arguments.
setProfileTaskRange(boolean, String) - Method in class org.apache.hadoop.mapred.JobConf
Set the ranges of maps or reduces to profile.
setProgressable(Progressable) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Set the progressable object in order to report progress.
setQuietMode(boolean) - Method in class org.apache.hadoop.conf.Configuration
Set the quiteness-mode.
setQuota(String, long) - Method in class org.apache.hadoop.dfs.NameNode
Set the quota for a directory.
setReduceDebugScript(String) - Method in class org.apache.hadoop.mapred.JobConf
Set the debug script to run when the reduce tasks fail.
setReducerClass(Class<? extends Reducer>) - Method in class org.apache.hadoop.mapred.JobConf
Set the Reducer class for the job.
setReduceSpeculativeExecution(boolean) - Method in class org.apache.hadoop.mapred.JobConf
Turn speculative execution on or off for this job for reduce tasks.
setReplication(Path, short) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
setReplication(String, short) - Method in class org.apache.hadoop.dfs.NameNode
Set replication for an existing file.
setReplication(int) - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
 
setReplication(Path, short) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
Set replication for an existing file.
setReplication(Path, short) - Method in class org.apache.hadoop.fs.FileSystem
Set replication for an existing file.
setReplication(Path, short) - Method in class org.apache.hadoop.fs.FilterFileSystem
Set replication for an existing file.
setReplication(Path, short) - Method in class org.apache.hadoop.fs.HarFileSystem
Not implemented.
setReplication(Path, short) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
setRunState(int) - Method in class org.apache.hadoop.mapred.JobStatus
Change the current run state of the job.
setSafeMode(FSConstants.SafeModeAction) - Method in class org.apache.hadoop.dfs.ChecksumDistributedFileSystem
Enter, leave or get safe mode.
setSafeMode(String[], int) - Method in class org.apache.hadoop.dfs.DFSAdmin
Safe mode maintenance command.
setSafeMode(FSConstants.SafeModeAction) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Enter, leave or get safe mode.
setSafeMode(FSConstants.SafeModeAction) - Method in class org.apache.hadoop.dfs.NameNode
 
setSequenceFileOutputKeyClass(JobConf, Class<?>) - Static method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat
Set the key class for the SequenceFile
setSequenceFileOutputValueClass(JobConf, Class<?>) - Static method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat
Set the value class for the SequenceFile
setSessionId(String) - Method in class org.apache.hadoop.mapred.JobConf
Set the user-specified session identifier.
setSize(int) - Method in class org.apache.hadoop.io.BytesWritable
Change the size of the buffer.
setSocketSendBufSize(int) - Method in class org.apache.hadoop.ipc.Server
Sets the socket buffer size used for responding to RPCs
setSpeculativeExecution(boolean) - Method in class org.apache.hadoop.mapred.JobConf
Turn speculative execution on or off for this job.
setState(int) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Set the state for this job.
setStatus(String) - Method in interface org.apache.hadoop.mapred.Reporter
Set the status description for the task.
setStatus(String) - Method in class org.apache.hadoop.util.Progress
 
setStrings(String, String...) - Method in class org.apache.hadoop.conf.Configuration
Set the array of string values for the name property as as comma delimited values.
setTabSize(int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
setTag(Text) - Method in class org.apache.hadoop.contrib.utils.join.TaggedMapOutput
 
setTag(String, String) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named tag to the specified value.
setTag(String, int) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named tag to the specified value.
setTag(String, long) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named tag to the specified value.
setTag(String, short) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named tag to the specified value.
setTag(String, byte) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named tag to the specified value.
setTag(String, String) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named tag to the specified value.
setTag(String, int) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named tag to the specified value.
setTag(String, long) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named tag to the specified value.
setTag(String, short) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named tag to the specified value.
setTag(String, byte) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named tag to the specified value.
setTaskId(String) - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
Deprecated. use TaskCompletionEvent.setTaskID(TaskAttemptID) instead.
setTaskID(TaskAttemptID) - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
Sets task id.
setTaskId(String) - Method in class org.apache.hadoop.mapred.TaskLogAppender
 
setTaskOutputFilter(JobClient.TaskStatusFilter) - Method in class org.apache.hadoop.mapred.JobClient
Deprecated. 
setTaskOutputFilter(JobConf, JobClient.TaskStatusFilter) - Static method in class org.apache.hadoop.mapred.JobClient
Modify the JobConf to set the task output filter.
setTaskRunTime(int) - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
Set the task completion time
setTaskStatus(TaskCompletionEvent.Status) - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
Set task status.
setTaskTrackerHttp(String) - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
Set task tracker http location.
setThreads(int, int) - Method in class org.apache.hadoop.mapred.StatusHttpServer
 
setTimeout(int) - Method in class org.apache.hadoop.ipc.Server
Deprecated. 
setTotalBlocks(long) - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
 
setTotalDirs(long) - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
 
setTotalFiles(long) - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
 
setTotalLogFileSize(long) - Method in class org.apache.hadoop.mapred.TaskLogAppender
 
setTotalOpenFiles(long) - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
Set total number of open files encountered during this scan.
setTotalOpenFilesBlocks(long) - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
 
setTotalOpenFilesSize(long) - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
 
setTotalSize(long) - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
 
setUMask(Configuration, FsPermission) - Static method in class org.apache.hadoop.fs.permission.FsPermission
Set the user file creation mask (umask)
setUpdate(Document, Term) - Method in class org.apache.hadoop.contrib.index.mapred.DocumentAndOp
Set the instance to be an update operation.
setUser(String) - Method in class org.apache.hadoop.mapred.JobConf
Set the reported username for this job.
setUserJobConfProps(boolean) - Method in class org.apache.hadoop.streaming.StreamJob
This method sets the user jobconf variable specified by user using -jobconf key=value
setVerbose(boolean) - Method in class org.apache.hadoop.streaming.JarBuilder
 
setVerifyChecksum(boolean) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
setWorkingDirectory(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
setWorkingDirectory(Path) - Method in class org.apache.hadoop.dfs.HftpFileSystem
 
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.FileSystem
Set the current working directory for the given file system.
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
Set the current working directory for the given file system.
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.ftp.FTPFileSystem
 
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.HarFileSystem
 
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
Set the working directory to the given directory.
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.s3.S3FileSystem
 
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.s3native.NativeS3FileSystem
Set the working directory to the given directory.
setWorkingDirectory(Path) - Method in class org.apache.hadoop.mapred.JobConf
Set the current working directory for the default file system.
setWorkingDirectory(File) - Method in class org.apache.hadoop.util.Shell
set the working directory
Shard - Class in org.apache.hadoop.contrib.index.mapred
This class represents the metadata of a shard.
Shard() - Constructor for class org.apache.hadoop.contrib.index.mapred.Shard
Constructor.
Shard(long, String, long) - Constructor for class org.apache.hadoop.contrib.index.mapred.Shard
Construct a shard from a versio number, a directory and a generation number.
Shard(Shard) - Constructor for class org.apache.hadoop.contrib.index.mapred.Shard
Construct using a shard object.
ShardWriter - Class in org.apache.hadoop.contrib.index.lucene
The initial version of an index is stored in the perm dir.
ShardWriter(FileSystem, Shard, String, IndexUpdateConfiguration) - Constructor for class org.apache.hadoop.contrib.index.lucene.ShardWriter
Constructor
Shell - Class in org.apache.hadoop.util
A base class for running a Unix command.
Shell() - Constructor for class org.apache.hadoop.util.Shell
 
Shell(long) - Constructor for class org.apache.hadoop.util.Shell
 
Shell.ExitCodeException - Exception in org.apache.hadoop.util
This is an IOException with exit code added.
Shell.ExitCodeException(int, String) - Constructor for exception org.apache.hadoop.util.Shell.ExitCodeException
 
Shell.ShellCommandExecutor - Class in org.apache.hadoop.util
A simple shell command executor.
Shell.ShellCommandExecutor(String[]) - Constructor for class org.apache.hadoop.util.Shell.ShellCommandExecutor
 
Shell.ShellCommandExecutor(String[], File) - Constructor for class org.apache.hadoop.util.Shell.ShellCommandExecutor
 
Shell.ShellCommandExecutor(String[], File, Map<String, String>) - Constructor for class org.apache.hadoop.util.Shell.ShellCommandExecutor
 
ShellCommand - Class in org.apache.hadoop.fs
Deprecated. Use Shell instead.
ShellCommand() - Constructor for class org.apache.hadoop.fs.ShellCommand
Deprecated.  
shippedCanonFiles_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
shouldPreserveInput() - Method in class org.apache.hadoop.io.SequenceFile.Sorter.SegmentDescriptor
 
shouldRetry(Exception, int) - Method in interface org.apache.hadoop.io.retry.RetryPolicy
Determines whether the framework should retry a method for the given exception, and the number of retries that have been made for that operation so far.
shuffleError(String, String) - Method in class org.apache.hadoop.mapred.TaskTracker
Deprecated. 
shuffleError(TaskAttemptID, String) - Method in class org.apache.hadoop.mapred.TaskTracker
A reduce-task failed to shuffle the map-outputs.
shutdown() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
shutdown() - Method in class org.apache.hadoop.dfs.datanode.metrics.DataNodeStatistics
Shuts down the statistics - unregisters the mbean
shutdown() - Method in class org.apache.hadoop.dfs.DataNode
Shut down this instance of the datanode.
shutdown() - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Shutdown the FSDataset
shutdown() - Method in class org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics
Shuts down the statistics - unregisters the mbean
shutdown() - Method in class org.apache.hadoop.dfs.NameNodeMetrics
 
shutdown() - Method in class org.apache.hadoop.dfs.SecondaryNameNode
Shut down this instance of the datanode.
shutdown() - Method in class org.apache.hadoop.fs.DU
Shut down the refreshing thread.
shutdown() - Method in class org.apache.hadoop.ipc.metrics.RpcMetrics
 
shutdown() - Method in class org.apache.hadoop.mapred.TaskTracker
 
SimpleCharStream - Class in org.apache.hadoop.record.compiler.generated
An implementation of interface CharStream, where the stream is assumed to contain only ASCII characters (without unicode processing).
SimpleCharStream(Reader, int, int, int) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(Reader, int, int) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(Reader) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(InputStream, String, int, int, int) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(InputStream, int, int, int) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(InputStream, String, int, int) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(InputStream, int, int) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(InputStream, String) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(InputStream) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
simpleHostname(String) - Static method in class org.apache.hadoop.util.StringUtils
Given a full hostname, return the word upto the first dot.
size() - Method in class org.apache.hadoop.io.MapWritable
size() - Method in class org.apache.hadoop.io.SortedMapWritable
size() - Method in class org.apache.hadoop.mapred.Counters.Group
Returns the number of counters in this group.
size() - Method in class org.apache.hadoop.mapred.Counters
Returns the total number of counters, by summing the number of counters in each group.
size() - Method in class org.apache.hadoop.mapred.join.TupleWritable
The number of children in this Tuple.
size() - Method in class org.apache.hadoop.util.PriorityQueue
Returns the number of elements currently stored in the PriorityQueue.
SIZE_OF_INTEGER - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
skip(long) - Method in class org.apache.hadoop.fs.BufferedFSInputStream
 
skip(long) - Method in class org.apache.hadoop.fs.FSInputChecker
Skips over and discards n bytes of data from the input stream.
skip(long) - Method in class org.apache.hadoop.io.compress.GzipCodec.GzipInputStream
 
skip(DataInput) - Static method in class org.apache.hadoop.io.Text
Skips over one Text in the input.
skip(DataInput) - Static method in class org.apache.hadoop.io.UTF8
Deprecated. Skips over one UTF8 in the input.
skip(K) - Method in interface org.apache.hadoop.mapred.join.ComposableRecordReader
Skip key-value pairs with keys less than or equal to the key provided.
skip(K) - Method in class org.apache.hadoop.mapred.join.CompositeRecordReader
Pass skip key to child RRs.
skip(K) - Method in class org.apache.hadoop.mapred.join.WrappedRecordReader
Skip key-value pairs with keys less than or equal to the key provided.
skip(RecordInput, String, TypeID) - Static method in class org.apache.hadoop.record.meta.Utils
read/skip bytes from stream based on a type
skipCompressedByteArray(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
skipFully(InputStream, long) - Static method in class org.apache.hadoop.io.IOUtils
Similar to readFully().
skipFully(DataInput, int) - Static method in class org.apache.hadoop.io.WritableUtils
Skip len number of bytes in input streamin
SleepJob - Class in org.apache.hadoop.examples
Dummy class for testing MR framefork.
SleepJob() - Constructor for class org.apache.hadoop.examples.SleepJob
 
SMALL_BUFFER_SIZE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
SocketInputStream - Class in org.apache.hadoop.net
This implements an input stream that can have a timeout while reading.
SocketInputStream(ReadableByteChannel, long) - Constructor for class org.apache.hadoop.net.SocketInputStream
Create a new input stream with the given timeout.
SocketInputStream(Socket, long) - Constructor for class org.apache.hadoop.net.SocketInputStream
Same as SocketInputStream(socket.getChannel(), timeout):

Create a new input stream with the given timeout.
SocketInputStream(Socket) - Constructor for class org.apache.hadoop.net.SocketInputStream
Same as SocketInputStream(socket.getChannel(), socket.getSoTimeout()) :

Create a new input stream with the given timeout.
SocketOutputStream - Class in org.apache.hadoop.net
This implements an output stream that can have a timeout while writing.
SocketOutputStream(WritableByteChannel, long) - Constructor for class org.apache.hadoop.net.SocketOutputStream
Create a new ouput stream with the given timeout.
SocketOutputStream(Socket, long) - Constructor for class org.apache.hadoop.net.SocketOutputStream
Same as SocketOutputStream(socket.getChannel(), timeout):

Create a new ouput stream with the given timeout.
SocksSocketFactory - Class in org.apache.hadoop.net
Specialized SocketFactory to create sockets with a SOCKS proxy
SocksSocketFactory() - Constructor for class org.apache.hadoop.net.SocksSocketFactory
Default empty constructor (for use with the reflection API).
SocksSocketFactory(Proxy) - Constructor for class org.apache.hadoop.net.SocksSocketFactory
Constructor with a supplied Proxy
solution(List<List<ColumnName>>) - Method in interface org.apache.hadoop.examples.dancing.DancingLinks.SolutionAcceptor
A callback to return a solution to the application.
solve(int[], DancingLinks.SolutionAcceptor<ColumnName>) - Method in class org.apache.hadoop.examples.dancing.DancingLinks
Given a prefix, find solutions under it.
solve(DancingLinks.SolutionAcceptor<ColumnName>) - Method in class org.apache.hadoop.examples.dancing.DancingLinks
Solve a complete problem
solve(int[]) - Method in class org.apache.hadoop.examples.dancing.Pentomino
Find all of the solutions that start with the given prefix.
solve() - Method in class org.apache.hadoop.examples.dancing.Pentomino
Find all of the solutions to the puzzle.
solve() - Method in class org.apache.hadoop.examples.dancing.Sudoku
 
Sort - Class in org.apache.hadoop.examples
This is the trivial map/reduce program that does absolutely nothing other than use the framework to fragment and sort the input values.
Sort() - Constructor for class org.apache.hadoop.examples.Sort
 
sort(Path[], Path, boolean) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Perform a file sort from a set of input files into an output file.
sort(Path, Path) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
The backwards compatible interface to sort.
sort(IndexedSortable, int, int) - Method in class org.apache.hadoop.util.HeapSort
Sort the given range of items using heap sort.
sort(IndexedSortable, int, int, Progressable) - Method in class org.apache.hadoop.util.HeapSort
Same as IndexedSorter.sort(IndexedSortable,int,int), but indicate progress periodically.
sort(IndexedSortable, int, int) - Method in interface org.apache.hadoop.util.IndexedSorter
Sort the items accessed through the given IndexedSortable over the given range of logical indices.
sort(IndexedSortable, int, int, Progressable) - Method in interface org.apache.hadoop.util.IndexedSorter
Same as IndexedSorter.sort(IndexedSortable,int,int), but indicate progress periodically.
sort(IndexedSortable, int, int) - Method in class org.apache.hadoop.util.QuickSort
Sort the given range of items using quick sort.
sort(IndexedSortable, int, int, Progressable) - Method in class org.apache.hadoop.util.QuickSort
Same as IndexedSorter.sort(IndexedSortable,int,int), but indicate progress periodically.
sortAndIterate(Path[], Path, boolean) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Perform a file sort from a set of input files and return an iterator.
SortedMapWritable - Class in org.apache.hadoop.io
A Writable SortedMap.
SortedMapWritable() - Constructor for class org.apache.hadoop.io.SortedMapWritable
default constructor.
SortedMapWritable(SortedMapWritable) - Constructor for class org.apache.hadoop.io.SortedMapWritable
Copy constructor.
sortNodeList(ArrayList<DatanodeDescriptor>, String, String) - Method in class org.apache.hadoop.dfs.JspHelper
 
SOURCE_TAGS_FIELD - Static variable in class org.apache.hadoop.contrib.utils.join.DataJoinReducerBase
 
specialConstructor - Variable in exception org.apache.hadoop.record.compiler.generated.ParseException
This variable determines which constructor was used to create this object and thereby affects the semantics of the "getMessage" method (see below).
specialToken - Variable in class org.apache.hadoop.record.compiler.generated.Token
This field is used to access special tokens that occur prior to this token, but after the immediately preceding regular (non-special) token.
split(int) - Method in class org.apache.hadoop.examples.dancing.DancingLinks
Generate a list of row choices to cover the first moves.
split(String) - Static method in class org.apache.hadoop.util.StringUtils
Split a string using the default separator
split(String, char, char) - Static method in class org.apache.hadoop.util.StringUtils
Split a string using the given separator
splitKeyVal(byte[], int, int, Text, Text, int) - Static method in class org.apache.hadoop.streaming.UTF8ByteArrayUtils
split a UTF-8 byte array into key and value assuming that the delimilator is at splitpos.
splitKeyVal(byte[], Text, Text, int) - Static method in class org.apache.hadoop.streaming.UTF8ByteArrayUtils
split a UTF-8 byte array into key and value assuming that the delimilator is at splitpos.
StandardSocketFactory - Class in org.apache.hadoop.net
Specialized SocketFactory to create sockets with a SOCKS proxy
StandardSocketFactory() - Constructor for class org.apache.hadoop.net.StandardSocketFactory
Default empty constructor (for use with the reflection API).
start() - Method in class org.apache.hadoop.fs.DU
Start the disk usage checking thread.
start() - Method in class org.apache.hadoop.ipc.Server
Starts the service.
start() - Method in class org.apache.hadoop.mapred.StatusHttpServer
Start the server.
startLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.ChecksumFileSystem
 
startLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
Returns a local File that the user can write output to.
startLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.FilterFileSystem
Returns a local File that the user can write output to.
startLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.HarFileSystem
not implemented.
startLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.kfs.KosmosFileSystem
 
startLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
startMap(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
 
startMap(TreeMap, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
 
startMap(String) - Method in class org.apache.hadoop.record.CsvRecordInput
 
startMap(TreeMap, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
 
startMap(String) - Method in interface org.apache.hadoop.record.RecordInput
Check the mark for start of the serialized map.
startMap(TreeMap, String) - Method in interface org.apache.hadoop.record.RecordOutput
Mark the start of a map to be serialized.
startMap(String) - Method in class org.apache.hadoop.record.XmlRecordInput
 
startMap(TreeMap, String) - Method in class org.apache.hadoop.record.XmlRecordOutput
 
startMonitoring() - Method in class org.apache.hadoop.metrics.file.FileContext
Starts or restarts monitoring, by opening in append-mode, the file specified by the fileName attribute, if specified.
startMonitoring() - Method in interface org.apache.hadoop.metrics.MetricsContext
Starts or restarts monitoring, the emitting of metrics records as they are updated.
startMonitoring() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Starts or restarts monitoring, the emitting of metrics records.
startMonitoring() - Method in class org.apache.hadoop.metrics.spi.NullContext
Do-nothing version of startMonitoring
startNextPhase() - Method in class org.apache.hadoop.util.Progress
Called during execution to move to the next phase at this level in the tree.
startNotifier() - Static method in class org.apache.hadoop.mapred.JobEndNotifier
 
startRecord(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
 
startRecord(Record, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
 
startRecord(String) - Method in class org.apache.hadoop.record.CsvRecordInput
 
startRecord(Record, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
 
startRecord(String) - Method in interface org.apache.hadoop.record.RecordInput
Check the mark for start of the serialized record.
startRecord(Record, String) - Method in interface org.apache.hadoop.record.RecordOutput
Mark the start of a record to be serialized.
startRecord(String) - Method in class org.apache.hadoop.record.XmlRecordInput
 
startRecord(Record, String) - Method in class org.apache.hadoop.record.XmlRecordOutput
 
startTracker(JobConf) - Static method in class org.apache.hadoop.mapred.JobTracker
Start the JobTracker with given configuration.
startUpgrade() - Method in interface org.apache.hadoop.dfs.Upgradeable
Prepare for the upgrade.
startupShutdownMessage(Class, String[], Log) - Static method in class org.apache.hadoop.util.StringUtils
Print a log message for starting up and shutting down
startVector(String) - Method in class org.apache.hadoop.record.BinaryRecordInput
 
startVector(ArrayList, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
 
startVector(String) - Method in class org.apache.hadoop.record.CsvRecordInput
 
startVector(ArrayList, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
 
startVector(String) - Method in interface org.apache.hadoop.record.RecordInput
Check the mark for start of the serialized vector.
startVector(ArrayList, String) - Method in interface org.apache.hadoop.record.RecordOutput
Mark the start of a vector to be serialized.
startVector(String) - Method in class org.apache.hadoop.record.XmlRecordInput
 
startVector(ArrayList, String) - Method in class org.apache.hadoop.record.XmlRecordOutput
 
stat2Paths(FileStatus[]) - Static method in class org.apache.hadoop.fs.FileUtil
convert an array of FileStatus to an array of Path
stat2Paths(FileStatus[], Path) - Static method in class org.apache.hadoop.fs.FileUtil
convert an array of FileStatus to an array of Path.
stateChangeLog - Static variable in class org.apache.hadoop.dfs.NameNode
 
staticFlag - Static variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
statistics - Variable in class org.apache.hadoop.fs.FileSystem
The statistics for this file system.
StatusHttpServer - Class in org.apache.hadoop.mapred
Create a Jetty embedded server to answer http requests.
StatusHttpServer(String, String, int, boolean) - Constructor for class org.apache.hadoop.mapred.StatusHttpServer
Create a status server on the given port.
StatusHttpServer.StackServlet - Class in org.apache.hadoop.mapred
A very simple servlet to serve up a text representation of the current stack traces.
StatusHttpServer.StackServlet() - Constructor for class org.apache.hadoop.mapred.StatusHttpServer.StackServlet
 
StatusHttpServer.TaskGraphServlet - Class in org.apache.hadoop.mapred
The servlet that outputs svg graphics for map / reduce task statuses
StatusHttpServer.TaskGraphServlet() - Constructor for class org.apache.hadoop.mapred.StatusHttpServer.TaskGraphServlet
 
statusUpdate(String, TaskStatus) - Method in class org.apache.hadoop.mapred.TaskTracker
Deprecated. 
statusUpdate(TaskAttemptID, TaskStatus) - Method in class org.apache.hadoop.mapred.TaskTracker
Called periodically to report Task progress, from 0.0 to 1.0.
STILL_WAITING - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
stop() - Method in class org.apache.hadoop.dfs.NameNode
Stop all NameNode threads and wait for all to finish.
stop() - Method in class org.apache.hadoop.ipc.Client
Stop all threads related to this client.
stop() - Method in class org.apache.hadoop.ipc.Server
Stops the service.
stop() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
set the thread state to STOPPING so that the thread will stop when it wakes up.
stop() - Method in class org.apache.hadoop.mapred.StatusHttpServer
stop the server
stopMonitoring() - Method in class org.apache.hadoop.metrics.file.FileContext
Stops monitoring, closing the file.
stopMonitoring() - Method in interface org.apache.hadoop.metrics.MetricsContext
Stops monitoring.
stopMonitoring() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Stops monitoring.
stopNotifier() - Static method in class org.apache.hadoop.mapred.JobEndNotifier
 
stopProxy(VersionedProtocol) - Static method in class org.apache.hadoop.ipc.RPC
Stop this proxy and release its invoker's resource
stopTracker() - Method in class org.apache.hadoop.mapred.JobTracker
 
storageID - Variable in class org.apache.hadoop.dfs.DatanodeID
 
store(Configuration, K, String) - Static method in class org.apache.hadoop.io.DefaultStringifier
Stores the item in the configuration with the given keyName.
storeArray(Configuration, K[], String) - Static method in class org.apache.hadoop.io.DefaultStringifier
Stores the array of items in the configuration with the given keyName.
storeBlock(Block, File) - Method in interface org.apache.hadoop.fs.s3.FileSystemStore
 
storeINode(Path, INode) - Method in interface org.apache.hadoop.fs.s3.FileSystemStore
 
StreamBackedIterator<X extends Writable> - Class in org.apache.hadoop.mapred.join
This class provides an implementation of ResetableIterator.
StreamBackedIterator() - Constructor for class org.apache.hadoop.mapred.join.StreamBackedIterator
 
StreamBaseRecordReader - Class in org.apache.hadoop.streaming
Shared functionality for hadoopStreaming formats.
StreamBaseRecordReader(FSDataInputStream, FileSplit, Reporter, JobConf, FileSystem) - Constructor for class org.apache.hadoop.streaming.StreamBaseRecordReader
 
streamBlockInAscii(InetSocketAddress, long, long, long, long, long, JspWriter) - Method in class org.apache.hadoop.dfs.JspHelper
 
StreamFile - Class in org.apache.hadoop.dfs
 
StreamFile() - Constructor for class org.apache.hadoop.dfs.StreamFile
 
StreamInputFormat - Class in org.apache.hadoop.streaming
An input format that selects a RecordReader based on a JobConf property.
StreamInputFormat() - Constructor for class org.apache.hadoop.streaming.StreamInputFormat
 
StreamJob - Class in org.apache.hadoop.streaming
All the client-side work happens here.
StreamJob(String[], boolean) - Constructor for class org.apache.hadoop.streaming.StreamJob
 
StreamUtil - Class in org.apache.hadoop.streaming
Utilities not available elsewhere in Hadoop.
StreamUtil() - Constructor for class org.apache.hadoop.streaming.StreamUtil
 
StreamXmlRecordReader - Class in org.apache.hadoop.streaming
A way to interpret XML fragments as Mapper input records.
StreamXmlRecordReader(FSDataInputStream, FileSplit, Reporter, JobConf, FileSystem) - Constructor for class org.apache.hadoop.streaming.StreamXmlRecordReader
 
STRING - Static variable in class org.apache.hadoop.record.meta.TypeID.RIOType
 
STRING_VALUE_MAX - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
STRING_VALUE_MIN - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
Stringifier<T> - Interface in org.apache.hadoop.io
Stringifier interface offers two methods to convert an object to a string representation and restore the object given its string representation.
stringifyException(Throwable) - Static method in class org.apache.hadoop.util.StringUtils
Make a string representation of the exception.
stringifySolution(int, int, List<List<Pentomino.ColumnName>>) - Static method in class org.apache.hadoop.examples.dancing.Pentomino
Convert a solution to the puzzle returned by the model into a string that represents the placement of the pieces onto the board.
stringToPath(String[]) - Static method in class org.apache.hadoop.util.StringUtils
 
stringToURI(String[]) - Static method in class org.apache.hadoop.util.StringUtils
 
StringTypeID - Static variable in class org.apache.hadoop.record.meta.TypeID
 
StringUtils - Class in org.apache.hadoop.util
General string utils
StringUtils() - Constructor for class org.apache.hadoop.util.StringUtils
 
StringValueMax - Class in org.apache.hadoop.mapred.lib.aggregate
This class implements a value aggregator that maintain the biggest of a sequence of strings.
StringValueMax() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.StringValueMax
the default constructor
StringValueMin - Class in org.apache.hadoop.mapred.lib.aggregate
This class implements a value aggregator that maintain the smallest of a sequence of strings.
StringValueMin() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.StringValueMin
the default constructor
STRUCT - Static variable in class org.apache.hadoop.record.meta.TypeID.RIOType
 
StructTypeID - Class in org.apache.hadoop.record.meta
Represents typeID for a struct
StructTypeID(RecordTypeInfo) - Constructor for class org.apache.hadoop.record.meta.StructTypeID
Create a StructTypeID based on the RecordTypeInfo of some record
subMap(WritableComparable, WritableComparable) - Method in class org.apache.hadoop.io.SortedMapWritable
submit() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Submit this job to mapred.
submitAndMonitorJob() - Method in class org.apache.hadoop.streaming.StreamJob
 
submitJob(String) - Method in class org.apache.hadoop.mapred.JobClient
Submit a job to the MR system.
submitJob(JobConf) - Method in class org.apache.hadoop.mapred.JobClient
Submit a job to the MR system.
submitJob(String) - Method in class org.apache.hadoop.mapred.JobTracker
Deprecated. 
submitJob(JobID) - Method in class org.apache.hadoop.mapred.JobTracker
JobTracker.submitJob() kicks off a new job.
submitJob(JobConf) - Static method in class org.apache.hadoop.mapred.pipes.Submitter
Submit a job to the map/reduce cluster.
Submitter - Class in org.apache.hadoop.mapred.pipes
The main entry point and job submitter.
Submitter() - Constructor for class org.apache.hadoop.mapred.pipes.Submitter
 
SUCCEEDED - Static variable in class org.apache.hadoop.mapred.JobStatus
 
SUCCESS - Static variable in class org.apache.hadoop.dfs.Balancer
 
SUCCESS - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
Sudoku - Class in org.apache.hadoop.examples.dancing
This class uses the dancing links algorithm from Knuth to solve sudoku puzzles.
Sudoku(InputStream) - Constructor for class org.apache.hadoop.examples.dancing.Sudoku
Set up a puzzle board to the given size.
Sudoku.ColumnName - Interface in org.apache.hadoop.examples.dancing
This interface is a marker class for the columns created for the Sudoku solver.
suffix(String) - Method in class org.apache.hadoop.fs.Path
Adds a suffix to the final name in the path.
sum(Counters, Counters) - Static method in class org.apache.hadoop.mapred.Counters
Convenience method for computing the sum of two sets of counters.
suspend() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
suspend the running thread
swap(int, int) - Method in interface org.apache.hadoop.util.IndexedSortable
Swap items at the given addresses.
SwitchTo(int) - Method in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
SYMBOL - Variable in enum org.apache.hadoop.fs.permission.FsAction
Symbolic representation
symLink(String, String) - Static method in class org.apache.hadoop.fs.FileUtil
Create a soft link between a src and destination only on a local disk.
sync() - Method in class org.apache.hadoop.fs.FSDataOutputStream
Synchronize all buffer with the underlying devices.
sync() - Method in interface org.apache.hadoop.fs.Syncable
Synchronize all buffer with the underlying devices.
sync(long) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Seek to the next sync mark past a given position.
sync() - Method in class org.apache.hadoop.io.SequenceFile.Writer
create a sync point
SYNC_INTERVAL - Static variable in class org.apache.hadoop.io.SequenceFile
The number of bytes between sync points.
Syncable - Interface in org.apache.hadoop.fs
This interface declare the sync() operation.
syncs - Variable in class org.apache.hadoop.dfs.NameNodeMetrics
 
syncSeen() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns true iff the previous call to next passed a sync mark.

T

tabSize - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
tag - Variable in class org.apache.hadoop.contrib.utils.join.TaggedMapOutput
 
TAG - Static variable in class org.apache.hadoop.record.compiler.Consts
 
TaggedMapOutput - Class in org.apache.hadoop.contrib.utils.join
This abstract class serves as the base class for the values that flow from the mappers to the reducers in a data join job.
TaggedMapOutput() - Constructor for class org.apache.hadoop.contrib.utils.join.TaggedMapOutput
 
tailMap(WritableComparable) - Method in class org.apache.hadoop.io.SortedMapWritable
TaskAttemptID - Class in org.apache.hadoop.mapred
TaskAttemptID represents the immutable and unique identifier for a task attempt.
TaskAttemptID(TaskID, int) - Constructor for class org.apache.hadoop.mapred.TaskAttemptID
Constructs a TaskAttemptID object from given TaskID.
TaskAttemptID(String, int, boolean, int, int) - Constructor for class org.apache.hadoop.mapred.TaskAttemptID
Constructs a TaskId object from given parts.
TaskCompletionEvent - Class in org.apache.hadoop.mapred
This is used to track task completion events on job tracker.
TaskCompletionEvent() - Constructor for class org.apache.hadoop.mapred.TaskCompletionEvent
Default constructor for Writable.
TaskCompletionEvent(int, String, int, boolean, TaskCompletionEvent.Status, String) - Constructor for class org.apache.hadoop.mapred.TaskCompletionEvent
Deprecated. 
TaskCompletionEvent(int, TaskAttemptID, int, boolean, TaskCompletionEvent.Status, String) - Constructor for class org.apache.hadoop.mapred.TaskCompletionEvent
Constructor.
TaskCompletionEvent.Status - Enum in org.apache.hadoop.mapred
 
TaskID - Class in org.apache.hadoop.mapred
TaskID represents the immutable and unique identifier for a Map or Reduce Task.
TaskID(JobID, boolean, int) - Constructor for class org.apache.hadoop.mapred.TaskID
Constructs a TaskID object from given JobID.
TaskID(String, int, boolean, int) - Constructor for class org.apache.hadoop.mapred.TaskID
Constructs a TaskInProgressId object from given parts.
TaskLog - Class in org.apache.hadoop.mapred
A simple logger to handle the task-specific user logs.
TaskLog() - Constructor for class org.apache.hadoop.mapred.TaskLog
 
TaskLog.LogName - Enum in org.apache.hadoop.mapred
The filter for userlogs.
TaskLogAppender - Class in org.apache.hadoop.mapred
A simple log4j-appender for the task child's map-reduce system logs.
TaskLogAppender() - Constructor for class org.apache.hadoop.mapred.TaskLogAppender
 
TaskLogServlet - Class in org.apache.hadoop.mapred
A servlet that is run by the TaskTrackers to provide the task logs via http.
TaskLogServlet() - Constructor for class org.apache.hadoop.mapred.TaskLogServlet
 
TaskReport - Class in org.apache.hadoop.mapred
A report on the state of a task.
TaskReport() - Constructor for class org.apache.hadoop.mapred.TaskReport
 
TaskTracker - Class in org.apache.hadoop.mapred
TaskTracker is a process that starts and tracks MR Tasks in a networked environment.
TaskTracker(JobConf) - Constructor for class org.apache.hadoop.mapred.TaskTracker
Start with the local machine name, and the default JobTracker
TaskTracker.Child - Class in org.apache.hadoop.mapred
The main() for child processes.
TaskTracker.Child() - Constructor for class org.apache.hadoop.mapred.TaskTracker.Child
 
TaskTracker.MapOutputServlet - Class in org.apache.hadoop.mapred
This class is used in TaskTracker's Jetty to serve the map outputs to other nodes.
TaskTracker.MapOutputServlet() - Constructor for class org.apache.hadoop.mapred.TaskTracker.MapOutputServlet
 
TaskTracker.TaskTrackerMetrics - Class in org.apache.hadoop.mapred
 
taskTrackers() - Method in class org.apache.hadoop.mapred.JobTracker
 
Text - Class in org.apache.hadoop.io
This class stores text using standard UTF8 encoding.
Text() - Constructor for class org.apache.hadoop.io.Text
 
Text(String) - Constructor for class org.apache.hadoop.io.Text
Construct from a string.
Text(Text) - Constructor for class org.apache.hadoop.io.Text
Construct from another text.
Text(byte[]) - Constructor for class org.apache.hadoop.io.Text
Construct from a byte array.
Text.Comparator - Class in org.apache.hadoop.io
A WritableComparator optimized for Text keys.
Text.Comparator() - Constructor for class org.apache.hadoop.io.Text.Comparator
 
TextInputFormat - Class in org.apache.hadoop.mapred
An InputFormat for plain text files.
TextInputFormat() - Constructor for class org.apache.hadoop.mapred.TextInputFormat
 
TextOutputFormat<K,V> - Class in org.apache.hadoop.mapred
An OutputFormat that writes plain text files.
TextOutputFormat() - Constructor for class org.apache.hadoop.mapred.TextOutputFormat
 
TextOutputFormat.LineRecordWriter<K,V> - Class in org.apache.hadoop.mapred
 
TextOutputFormat.LineRecordWriter(DataOutputStream, String) - Constructor for class org.apache.hadoop.mapred.TextOutputFormat.LineRecordWriter
 
TextOutputFormat.LineRecordWriter(DataOutputStream) - Constructor for class org.apache.hadoop.mapred.TextOutputFormat.LineRecordWriter
 
toArray() - Method in class org.apache.hadoop.io.ArrayWritable
 
toArray() - Method in class org.apache.hadoop.io.TwoDArrayWritable
 
toArray(Class<T>, List<T>) - Static method in class org.apache.hadoop.util.GenericsUtil
Converts the given List<T> to a an array of T[].
toArray(List<T>) - Static method in class org.apache.hadoop.util.GenericsUtil
Converts the given List<T> to a an array of T[].
token - Variable in class org.apache.hadoop.record.compiler.generated.Rcc
 
Token - Class in org.apache.hadoop.record.compiler.generated
Describes the input token stream.
Token() - Constructor for class org.apache.hadoop.record.compiler.generated.Token
 
token_source - Variable in class org.apache.hadoop.record.compiler.generated.Rcc
 
TokenCountMapper<K> - Class in org.apache.hadoop.mapred.lib
A Mapper that maps text values into pairs.
TokenCountMapper() - Constructor for class org.apache.hadoop.mapred.lib.TokenCountMapper
 
tokenImage - Variable in exception org.apache.hadoop.record.compiler.generated.ParseException
This is a reference to the "tokenImage" array of the generated parser within which the parse error occurred.
tokenImage - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
TokenMgrError - Error in org.apache.hadoop.record.compiler.generated
 
TokenMgrError() - Constructor for error org.apache.hadoop.record.compiler.generated.TokenMgrError
 
TokenMgrError(String, int) - Constructor for error org.apache.hadoop.record.compiler.generated.TokenMgrError
 
TokenMgrError(boolean, int, int, int, String, char, int) - Constructor for error org.apache.hadoop.record.compiler.generated.TokenMgrError
 
toMap() - Method in class org.apache.hadoop.streaming.Environment
 
Tool - Interface in org.apache.hadoop.util
A tool interface that supports handling of generic command-line options.
ToolRunner - Class in org.apache.hadoop.util
A utility to help run Tools.
ToolRunner() - Constructor for class org.apache.hadoop.util.ToolRunner
 
top() - Method in class org.apache.hadoop.util.PriorityQueue
Returns the least element of the PriorityQueue in constant time.
toShort() - Method in class org.apache.hadoop.fs.permission.FsPermission
Encode the object to a short.
toString() - Method in class org.apache.hadoop.conf.Configuration.IntegerRanges
 
toString() - Method in class org.apache.hadoop.conf.Configuration
 
toString() - Method in class org.apache.hadoop.contrib.index.example.LineDocTextAndOp
 
toString() - Method in class org.apache.hadoop.contrib.index.lucene.FileSystemDirectory
 
toString() - Method in class org.apache.hadoop.contrib.index.lucene.ShardWriter
 
toString() - Method in class org.apache.hadoop.contrib.index.mapred.DocumentAndOp.Op
 
toString() - Method in class org.apache.hadoop.contrib.index.mapred.DocumentAndOp
 
toString() - Method in class org.apache.hadoop.contrib.index.mapred.DocumentID
 
toString() - Method in class org.apache.hadoop.contrib.index.mapred.IntermediateForm
 
toString() - Method in class org.apache.hadoop.contrib.index.mapred.Shard
 
toString() - Method in class org.apache.hadoop.dfs.DataNode
 
toString() - Method in class org.apache.hadoop.dfs.DatanodeID
 
toString() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
toString() - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Stringifies the name of the storage
toString() - Method in class org.apache.hadoop.dfs.NamenodeFsck.FsckResult
 
toString() - Method in class org.apache.hadoop.dfs.UpgradeStatusReport
Print basic upgradeStatus details.
toString() - Method in class org.apache.hadoop.fs.BlockLocation
 
toString() - Method in class org.apache.hadoop.fs.ContentSummary
toString(boolean) - Method in class org.apache.hadoop.fs.ContentSummary
Return the string representation of the object in the output format.
toString() - Method in class org.apache.hadoop.fs.DF
 
toString() - Method in class org.apache.hadoop.fs.DU
 
toString() - Method in class org.apache.hadoop.fs.FileSystem.Statistics
 
toString() - Method in class org.apache.hadoop.fs.Path
 
toString() - Method in class org.apache.hadoop.fs.permission.FsPermission
toString() - Method in class org.apache.hadoop.fs.permission.PermissionStatus
toString() - Method in class org.apache.hadoop.fs.RawLocalFileSystem
 
toString() - Method in class org.apache.hadoop.fs.s3.Block
 
toString() - Method in class org.apache.hadoop.io.BooleanWritable
 
toString() - Method in class org.apache.hadoop.io.BytesWritable
Generate the stream of bytes as hex pairs separated by ' '.
toString() - Method in class org.apache.hadoop.io.ByteWritable
 
toString() - Method in class org.apache.hadoop.io.compress.CompressionCodecFactory
Print the extension map out as a string.
toString(T) - Method in class org.apache.hadoop.io.DefaultStringifier
 
toString() - Method in class org.apache.hadoop.io.DoubleWritable
 
toString() - Method in class org.apache.hadoop.io.FloatWritable
 
toString() - Method in class org.apache.hadoop.io.GenericWritable
 
toString() - Method in class org.apache.hadoop.io.IntWritable
 
toString() - Method in class org.apache.hadoop.io.LongWritable
 
toString() - Method in class org.apache.hadoop.io.MD5Hash
Returns a string representation of this object.
toString() - Method in class org.apache.hadoop.io.NullWritable
 
toString() - Method in class org.apache.hadoop.io.ObjectWritable
 
toString() - Method in class org.apache.hadoop.io.SequenceFile.Metadata
 
toString() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns the name of the file.
toString(T) - Method in interface org.apache.hadoop.io.Stringifier
Converts the object to a string representation
toString() - Method in class org.apache.hadoop.io.Text
Convert text back to string
toString() - Method in class org.apache.hadoop.io.UTF8
Deprecated. Convert to a String.
toString() - Method in exception org.apache.hadoop.io.VersionMismatchException
Returns a string representation of this object.
toString() - Method in class org.apache.hadoop.io.VIntWritable
 
toString() - Method in class org.apache.hadoop.io.VLongWritable
 
toString() - Method in class org.apache.hadoop.mapred.Counters
Return textual representation of the counter values.
toString() - Method in class org.apache.hadoop.mapred.FileSplit
 
toString() - Method in class org.apache.hadoop.mapred.ID
 
toString() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
toString() - Method in class org.apache.hadoop.mapred.JobID
 
toString() - Method in class org.apache.hadoop.mapred.join.TupleWritable
Convert Tuple to String as in the following.
toString() - Method in class org.apache.hadoop.mapred.lib.aggregate.UserDefinedValueAggregatorDescriptor
 
toString() - Method in class org.apache.hadoop.mapred.MultiFileSplit
 
toString() - Method in class org.apache.hadoop.mapred.TaskAttemptID
 
toString() - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
 
toString() - Method in class org.apache.hadoop.mapred.TaskID
 
toString() - Method in enum org.apache.hadoop.mapred.TaskLog.LogName
 
toString() - Method in class org.apache.hadoop.net.NetworkTopology
convert a network tree to a string
toString() - Method in class org.apache.hadoop.net.NodeBase
Return this node's string representation
toString() - Method in class org.apache.hadoop.record.Buffer
 
toString(String) - Method in class org.apache.hadoop.record.Buffer
Convert the byte buffer to a string an specific character encoding
toString() - Method in class org.apache.hadoop.record.compiler.CodeBuffer
 
toString() - Method in class org.apache.hadoop.record.compiler.generated.Token
Returns the image.
toString() - Method in class org.apache.hadoop.record.Record
 
toString() - Method in class org.apache.hadoop.security.UnixUserGroupInformation
Convert this object to a string
toString() - Method in class org.apache.hadoop.util.Progress
 
toStrings() - Method in class org.apache.hadoop.io.ArrayWritable
 
totalLoad - Variable in class org.apache.hadoop.dfs.FSNamesystemMetrics
 
touch(File) - Static method in class org.apache.hadoop.streaming.StreamUtil
 
touchFile(String) - Method in class org.apache.hadoop.contrib.index.lucene.FileSystemDirectory
 
toUri() - Method in class org.apache.hadoop.fs.Path
Convert this to a URI.
transactions - Variable in class org.apache.hadoop.dfs.NameNodeMetrics
 
transferToFully(FileChannel, long, int) - Method in class org.apache.hadoop.net.SocketOutputStream
Transfers data from FileChannel using FileChannel.transferTo(long, long, WritableByteChannel).
transform(InputStream, InputStream, Writer) - Static method in class org.apache.hadoop.util.XMLUtils
Transform input xml given a stylesheet.
Trash - Class in org.apache.hadoop.fs
Provides a trash feature.
Trash(Configuration) - Constructor for class org.apache.hadoop.fs.Trash
Construct a trash can accessor.
truncate() - Method in class org.apache.hadoop.record.Buffer
Change the capacity of the backing store to be the same as the current count of buffer.
TRY_ONCE_DONT_FAIL - Static variable in class org.apache.hadoop.io.retry.RetryPolicies
Try once, and fail silently for void methods, or by re-throwing the exception for non-void methods.
TRY_ONCE_THEN_FAIL - Static variable in class org.apache.hadoop.io.retry.RetryPolicies
Try once, and fail by re-throwing the exception.
TupleWritable - Class in org.apache.hadoop.mapred.join
Writable type storing multiple Writables.
TupleWritable() - Constructor for class org.apache.hadoop.mapred.join.TupleWritable
Create an empty tuple with no allocated storage for writables.
TupleWritable(Writable[]) - Constructor for class org.apache.hadoop.mapred.join.TupleWritable
Initialize tuple with storage; unknown whether any of them contain "written" values.
TwoDArrayWritable - Class in org.apache.hadoop.io
A Writable for 2D arrays containing a matrix of instances of a class.
TwoDArrayWritable(Class) - Constructor for class org.apache.hadoop.io.TwoDArrayWritable
 
TwoDArrayWritable(Class, Writable[][]) - Constructor for class org.apache.hadoop.io.TwoDArrayWritable
 
twoRotations - Static variable in class org.apache.hadoop.examples.dancing.Pentomino
Is the piece identical if rotated 180 degrees?
Type() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
TYPE_SEPARATOR - Static variable in interface org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorDescriptor
 
TypeID - Class in org.apache.hadoop.record.meta
Represents typeID for basic types.
TypeID.RIOType - Class in org.apache.hadoop.record.meta
constants representing the IDL types we support
TypeID.RIOType() - Constructor for class org.apache.hadoop.record.meta.TypeID.RIOType
 
typeVal - Variable in class org.apache.hadoop.record.meta.TypeID
 

U

ugi - Variable in class org.apache.hadoop.dfs.HftpFileSystem
 
UGI_PROPERTY_NAME - Static variable in class org.apache.hadoop.security.UnixUserGroupInformation
 
UMASK_LABEL - Static variable in class org.apache.hadoop.fs.permission.FsPermission
umask property label
uncompressedValSerializer - Variable in class org.apache.hadoop.io.SequenceFile.Writer
 
underReplicatedBlocks - Variable in class org.apache.hadoop.dfs.FSNamesystemMetrics
 
unEscapeString(String) - Static method in class org.apache.hadoop.util.StringUtils
Unescape commas in the string using the default escape char
unEscapeString(String, char, char) - Static method in class org.apache.hadoop.util.StringUtils
Unescape charToEscape in the string with the escape char escapeChar
unfinalizeBlock(Block) - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Unfinalizes the block previously opened for writing using writeToBlock.
UNIQ_VALUE_COUNT - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
UniqValueCount - Class in org.apache.hadoop.mapred.lib.aggregate
This class implements a value aggregator that dedupes a sequence of objects.
UniqValueCount() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.UniqValueCount
the default constructor
UniqValueCount(long) - Constructor for class org.apache.hadoop.mapred.lib.aggregate.UniqValueCount
constructor
UnixUserGroupInformation - Class in org.apache.hadoop.security
An implementation of UserGroupInformation in the Unix system
UnixUserGroupInformation() - Constructor for class org.apache.hadoop.security.UnixUserGroupInformation
Default constructor
UnixUserGroupInformation(String, String[]) - Constructor for class org.apache.hadoop.security.UnixUserGroupInformation
Constructor with parameters user name and its group names.
UnixUserGroupInformation(String[]) - Constructor for class org.apache.hadoop.security.UnixUserGroupInformation
Constructor with parameter user/group names
unJar(File, File) - Static method in class org.apache.hadoop.util.RunJar
Unpack a jar file into a directory.
unregisterMBean(ObjectName) - Static method in class org.apache.hadoop.metrics.util.MBeanUtil
 
unregisterUpdater(Updater) - Method in interface org.apache.hadoop.metrics.MetricsContext
Removes a callback, if it exists.
unregisterUpdater(Updater) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Removes a callback, if it exists.
UNRESOLVED - Static variable in class org.apache.hadoop.net.NetworkTopology
 
unTar(File, File) - Static method in class org.apache.hadoop.fs.FileUtil
Given a Tar File as input it will untar the file in a the untar directory passed as the second parameter This utility will untar ".tar" files and ".tar.gz","tgz" files.
unwrapRemoteException(Class<?>...) - Method in exception org.apache.hadoop.ipc.RemoteException
If this remote exception wraps up one of the lookupTypes then return this exception.
unwrapRemoteException() - Method in exception org.apache.hadoop.ipc.RemoteException
Instantiate and return the exception wrapped up by this remote exception.
unZip(File, File) - Static method in class org.apache.hadoop.fs.FileUtil
Given a File input it will unzip the file in a the unzip directory passed as the second parameter
UPDATE - Static variable in class org.apache.hadoop.contrib.index.mapred.DocumentAndOp.Op
 
update(byte[], int, int) - Method in class org.apache.hadoop.dfs.DataChecksum
 
update(int) - Method in class org.apache.hadoop.dfs.DataChecksum
 
update() - Method in interface org.apache.hadoop.metrics.MetricsRecord
Updates the table of buffered data which is to be sent periodically.
update(MetricsRecordImpl) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Called by MetricsRecordImpl.update().
update() - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Updates the table of buffered data which is to be sent periodically.
update(MetricsRecordImpl) - Method in class org.apache.hadoop.metrics.spi.NullContext
Do-nothing version of update
update(MetricsRecordImpl) - Method in class org.apache.hadoop.metrics.spi.NullContextWithUpdateThread
Do-nothing version of update
updateBlock(Block, Block, boolean) - Method in class org.apache.hadoop.dfs.DataNode
Update the block to the new generation stamp and length.
updateBlock(Block, Block) - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Update the block to the new generation stamp and length.
UpdateIndex - Class in org.apache.hadoop.contrib.index.main
A distributed "index" is partitioned into "shards".
UpdateIndex() - Constructor for class org.apache.hadoop.contrib.index.main.UpdateIndex
 
UpdateLineColumn(char) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
Updater - Interface in org.apache.hadoop.metrics
Call-back interface.
Upgradeable - Interface in org.apache.hadoop.dfs
Common interface for distributed upgrade objects.
upgradeProgress(String[], int) - Method in class org.apache.hadoop.dfs.DFSAdmin
Command to request current distributed upgrade status, a detailed status, or to force the upgrade to proceed.
upgradeStatus - Variable in class org.apache.hadoop.dfs.UpgradeStatusReport
 
UpgradeStatusReport - Class in org.apache.hadoop.dfs
Base upgrade upgradeStatus class.
UpgradeStatusReport() - Constructor for class org.apache.hadoop.dfs.UpgradeStatusReport
 
UpgradeStatusReport(int, short, boolean) - Constructor for class org.apache.hadoop.dfs.UpgradeStatusReport
 
uriToString(URI[]) - Static method in class org.apache.hadoop.util.StringUtils
 
USAGE - Static variable in class org.apache.hadoop.fs.shell.Count
 
usage() - Static method in class org.apache.hadoop.record.compiler.generated.Rcc
 
USAGES - Static variable in class org.apache.hadoop.log.LogLevel
 
USER_NAME_COMMAND - Static variable in class org.apache.hadoop.util.Shell
a Unix command to get the current user's name
UserDefinedValueAggregatorDescriptor - Class in org.apache.hadoop.mapred.lib.aggregate
This class implements a wrapper for a user defined value aggregator descriptor.
UserDefinedValueAggregatorDescriptor(String, JobConf) - Constructor for class org.apache.hadoop.mapred.lib.aggregate.UserDefinedValueAggregatorDescriptor
 
UserGroupInformation - Class in org.apache.hadoop.security
A Writable abstract class for storing user and groups information.
UserGroupInformation() - Constructor for class org.apache.hadoop.security.UserGroupInformation
 
userJobConfProps_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
USTRING_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
UTF8 - Class in org.apache.hadoop.io
Deprecated. replaced by Text
UTF8() - Constructor for class org.apache.hadoop.io.UTF8
Deprecated.  
UTF8(String) - Constructor for class org.apache.hadoop.io.UTF8
Deprecated. Construct from a given string.
UTF8(UTF8) - Constructor for class org.apache.hadoop.io.UTF8
Deprecated. Construct from a given string.
UTF8.Comparator - Class in org.apache.hadoop.io
Deprecated. A WritableComparator optimized for UTF8 keys.
UTF8.Comparator() - Constructor for class org.apache.hadoop.io.UTF8.Comparator
Deprecated.  
UTF8ByteArrayUtils - Class in org.apache.hadoop.streaming
General utils for byte array containing UTF-8 encoded strings
UTF8ByteArrayUtils() - Constructor for class org.apache.hadoop.streaming.UTF8ByteArrayUtils
 
utf8Length(String) - Static method in class org.apache.hadoop.io.Text
For the given string, returns the number of UTF-8 bytes required to encode the string.
Util - Class in org.apache.hadoop.metrics.spi
Static utility methods
Utils - Class in org.apache.hadoop.record.meta
Various utility functions for Hadooop record I/O platform.
Utils - Class in org.apache.hadoop.record
Various utility functions for Hadooop record I/O runtime.

V

validateInput(JobConf) - Method in class org.apache.hadoop.mapred.FileInputFormat
Deprecated. 
validateInput(JobConf) - Method in interface org.apache.hadoop.mapred.InputFormat
Deprecated. getSplits is called in the client and can perform any necessary validation of the input
validateInput(JobConf) - Method in class org.apache.hadoop.mapred.join.CompositeInputFormat
Verify that this composite has children and that all its children can validate their input.
validateInput(JobConf) - Method in class org.apache.hadoop.streaming.StreamBaseRecordReader
This implementation always returns true.
validateUTF8(byte[]) - Static method in class org.apache.hadoop.io.Text
Check if a byte array contains valid utf-8
validateUTF8(byte[], int, int) - Static method in class org.apache.hadoop.io.Text
Check to see if a byte array is valid utf-8
VALUE_HISTOGRAM - Static variable in class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
ValueAggregator - Interface in org.apache.hadoop.mapred.lib.aggregate
This interface defines the minimal protocol for value aggregators.
ValueAggregatorBaseDescriptor - Class in org.apache.hadoop.mapred.lib.aggregate
This class implements the common functionalities of the subclasses of ValueAggregatorDescriptor class.
ValueAggregatorBaseDescriptor() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
 
ValueAggregatorCombiner<K1 extends WritableComparable,V1 extends Writable> - Class in org.apache.hadoop.mapred.lib.aggregate
This class implements the generic combiner of Aggregate.
ValueAggregatorCombiner() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorCombiner
 
ValueAggregatorDescriptor - Interface in org.apache.hadoop.mapred.lib.aggregate
This interface defines the contract a value aggregator descriptor must support.
ValueAggregatorJob - Class in org.apache.hadoop.mapred.lib.aggregate
This is the main class for creating a map/reduce job using Aggregate framework.
ValueAggregatorJob() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
 
ValueAggregatorJobBase<K1 extends WritableComparable,V1 extends Writable> - Class in org.apache.hadoop.mapred.lib.aggregate
This abstract class implements some common functionalities of the the generic mapper, reducer and combiner classes of Aggregate.
ValueAggregatorJobBase() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase
 
ValueAggregatorMapper<K1 extends WritableComparable,V1 extends Writable> - Class in org.apache.hadoop.mapred.lib.aggregate
This class implements the generic mapper of Aggregate.
ValueAggregatorMapper() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorMapper
 
ValueAggregatorReducer<K1 extends WritableComparable,V1 extends Writable> - Class in org.apache.hadoop.mapred.lib.aggregate
This class implements the generic reducer of Aggregate.
ValueAggregatorReducer() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorReducer
 
ValueHistogram - Class in org.apache.hadoop.mapred.lib.aggregate
This class implements a value aggregator that computes the histogram of a sequence of strings.
ValueHistogram() - Constructor for class org.apache.hadoop.mapred.lib.aggregate.ValueHistogram
 
valueOf(String) - Static method in enum org.apache.hadoop.dfs.DatanodeInfo.AdminStates
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.dfs.FSConstants.CheckpointStates
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.dfs.FSConstants.DatanodeReportType
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.dfs.FSConstants.NodeType
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.dfs.FSConstants.SafeModeAction
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.dfs.FSConstants.StartupOption
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.dfs.FSConstants.UpgradeAction
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.examples.dancing.Pentomino.SolutionCategory
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.fs.permission.FsAction
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in class org.apache.hadoop.fs.permission.FsPermission
Create a FsPermission from a Unix symbolic permission string
valueOf(String) - Static method in enum org.apache.hadoop.io.compress.lzo.LzoCompressor.CompressionStrategy
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.io.compress.lzo.LzoDecompressor.CompressionStrategy
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.io.compress.zlib.ZlibCompressor.CompressionHeader
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.io.compress.zlib.ZlibCompressor.CompressionLevel
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.io.compress.zlib.ZlibCompressor.CompressionStrategy
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.io.compress.zlib.ZlibDecompressor.CompressionHeader
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.io.SequenceFile.CompressionType
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.mapred.JobClient.TaskStatusFilter
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.mapred.JobHistory.Keys
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.mapred.JobHistory.RecordTypes
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.mapred.JobHistory.Values
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.mapred.JobPriority
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.mapred.JobTracker.State
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.mapred.join.Parser.TType
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.mapred.TaskCompletionEvent.Status
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.hadoop.mapred.TaskLog.LogName
Returns the enum constant of this type with the specified name.
values() - Static method in enum org.apache.hadoop.dfs.DatanodeInfo.AdminStates
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.dfs.FSConstants.CheckpointStates
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.dfs.FSConstants.DatanodeReportType
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.dfs.FSConstants.NodeType
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.dfs.FSConstants.SafeModeAction
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.dfs.FSConstants.StartupOption
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.dfs.FSConstants.UpgradeAction
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.examples.dancing.Pentomino.SolutionCategory
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.fs.permission.FsAction
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.io.compress.lzo.LzoCompressor.CompressionStrategy
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.io.compress.lzo.LzoDecompressor.CompressionStrategy
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.io.compress.zlib.ZlibCompressor.CompressionHeader
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.io.compress.zlib.ZlibCompressor.CompressionLevel
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.io.compress.zlib.ZlibCompressor.CompressionStrategy
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.io.compress.zlib.ZlibDecompressor.CompressionHeader
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Method in class org.apache.hadoop.io.MapWritable
values() - Static method in enum org.apache.hadoop.io.SequenceFile.CompressionType
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Method in class org.apache.hadoop.io.SortedMapWritable
values() - Static method in enum org.apache.hadoop.mapred.JobClient.TaskStatusFilter
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.mapred.JobHistory.Keys
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.mapred.JobHistory.RecordTypes
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.mapred.JobHistory.Values
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.mapred.JobPriority
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.mapred.JobTracker.State
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.mapred.join.Parser.TType
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.mapred.TaskCompletionEvent.Status
Returns an array containing the constants of this enum type, in the order they're declared.
values() - Static method in enum org.apache.hadoop.mapred.TaskLog.LogName
Returns an array containing the constants of this enum type, in the order they're declared.
Vector() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
VECTOR - Static variable in class org.apache.hadoop.record.meta.TypeID.RIOType
 
VECTOR_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
VectorTypeID - Class in org.apache.hadoop.record.meta
Represents typeID for vector.
VectorTypeID(TypeID) - Constructor for class org.apache.hadoop.record.meta.VectorTypeID
 
verbose - Variable in class org.apache.hadoop.streaming.JarBuilder
 
verbose_ - Variable in class org.apache.hadoop.streaming.StreamJob
 
verifyRequest(DatanodeRegistration) - Method in class org.apache.hadoop.dfs.NameNode
Verify request.
verifyVersion(int) - Method in class org.apache.hadoop.dfs.NameNode
Verify version.
version - Variable in class org.apache.hadoop.dfs.UpgradeStatusReport
 
VERSION - Static variable in class org.apache.hadoop.fs.HarFileSystem
 
VersionedProtocol - Interface in org.apache.hadoop.ipc
Superclass of all protocols that use Hadoop RPC.
VersionedWritable - Class in org.apache.hadoop.io
A base class for Writables that provides version checking.
VersionedWritable() - Constructor for class org.apache.hadoop.io.VersionedWritable
 
VersionInfo - Class in org.apache.hadoop.util
This class finds the package info for Hadoop and the HadoopVersionAnnotation information.
VersionInfo() - Constructor for class org.apache.hadoop.util.VersionInfo
 
VersionMismatchException - Exception in org.apache.hadoop.fs.s3
Thrown when Hadoop cannot read the version of the data stored in S3FileSystem.
VersionMismatchException(String, String) - Constructor for exception org.apache.hadoop.fs.s3.VersionMismatchException
 
VersionMismatchException - Exception in org.apache.hadoop.io
Thrown by VersionedWritable.readFields(DataInput) when the version of an object being read does not match the current implementation version as returned by VersionedWritable.getVersion().
VersionMismatchException(byte, byte) - Constructor for exception org.apache.hadoop.io.VersionMismatchException
 
versionRequest() - Method in class org.apache.hadoop.dfs.NameNode
 
VIntWritable - Class in org.apache.hadoop.io
A WritableComparable for integer values stored in variable-length format.
VIntWritable() - Constructor for class org.apache.hadoop.io.VIntWritable
 
VIntWritable(int) - Constructor for class org.apache.hadoop.io.VIntWritable
 
VLongWritable - Class in org.apache.hadoop.io
A WritableComparable for longs in a variable-length format.
VLongWritable() - Constructor for class org.apache.hadoop.io.VLongWritable
 
VLongWritable(long) - Constructor for class org.apache.hadoop.io.VLongWritable
 

W

waitForCompletion() - Method in interface org.apache.hadoop.mapred.RunningJob
Blocks until the job is complete.
waitForProxy(Class, long, InetSocketAddress, Configuration) - Static method in class org.apache.hadoop.ipc.RPC
 
waitForReadable() - Method in class org.apache.hadoop.net.SocketInputStream
waits for the underlying channel to be ready for reading.
waitForWritable() - Method in class org.apache.hadoop.net.SocketOutputStream
waits for the underlying channel to be ready for writing.
WAITING - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
WEB_UGI_PROPERTY_NAME - Static variable in class org.apache.hadoop.dfs.JspHelper
 
webUGI - Static variable in class org.apache.hadoop.dfs.JspHelper
 
width - Variable in class org.apache.hadoop.examples.dancing.Pentomino
 
width - Static variable in class org.apache.hadoop.mapred.StatusHttpServer.TaskGraphServlet
height of the graph w/o margins
windowBits() - Method in enum org.apache.hadoop.io.compress.zlib.ZlibCompressor.CompressionHeader
 
windowBits() - Method in enum org.apache.hadoop.io.compress.zlib.ZlibDecompressor.CompressionHeader
 
WINDOWS - Static variable in class org.apache.hadoop.util.Shell
Set to true on Windows platforms
WithinMultiLineComment - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
WithinOneLineComment - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
WordCount - Class in org.apache.hadoop.examples
This is an example Hadoop Map/Reduce application.
WordCount() - Constructor for class org.apache.hadoop.examples.WordCount
 
WordCount.MapClass - Class in org.apache.hadoop.examples
Counts the words in each line.
WordCount.MapClass() - Constructor for class org.apache.hadoop.examples.WordCount.MapClass
 
WordCount.Reduce - Class in org.apache.hadoop.examples
A reducer class that just emits the sum of the input values.
WordCount.Reduce() - Constructor for class org.apache.hadoop.examples.WordCount.Reduce
 
WrappedRecordReader<K extends WritableComparable,U extends Writable> - Class in org.apache.hadoop.mapred.join
Proxy class for a RecordReader participating in the join framework.
Writable - Interface in org.apache.hadoop.io
A serializable object which implements a simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable<T> - Interface in org.apache.hadoop.io
A Writable which is also Comparable.
WritableComparator - Class in org.apache.hadoop.io
A Comparator for WritableComparables.
WritableComparator(Class) - Constructor for class org.apache.hadoop.io.WritableComparator
Construct for a WritableComparable implementation.
WritableComparator(Class, boolean) - Constructor for class org.apache.hadoop.io.WritableComparator
 
WritableFactories - Class in org.apache.hadoop.io
Factories for non-public writables.
WritableFactory - Interface in org.apache.hadoop.io
A factory for a class of Writable.
WritableName - Class in org.apache.hadoop.io
Utility to permit renaming of Writable implementation classes without invalidiating files that contain their class name.
WritableSerialization - Class in org.apache.hadoop.io.serializer
A Serialization for Writables that delegates to Writable.write(java.io.DataOutput) and Writable.readFields(java.io.DataInput).
WritableSerialization() - Constructor for class org.apache.hadoop.io.serializer.WritableSerialization
 
WritableUtils - Class in org.apache.hadoop.io
 
WritableUtils() - Constructor for class org.apache.hadoop.io.WritableUtils
 
write(OutputStream) - Method in class org.apache.hadoop.conf.Configuration
Write out the non-default properties in this configuration to the give OutputStream.
write(DataOutput) - Method in class org.apache.hadoop.contrib.index.example.LineDocTextAndOp
 
write(DataOutput) - Method in class org.apache.hadoop.contrib.index.mapred.DocumentAndOp
 
write(DataOutput) - Method in class org.apache.hadoop.contrib.index.mapred.DocumentID
 
write(DataOutput) - Method in class org.apache.hadoop.contrib.index.mapred.IntermediateForm
 
write(DataOutput) - Method in class org.apache.hadoop.contrib.index.mapred.Shard
 
write(DataOutput) - Method in class org.apache.hadoop.dfs.DatanodeID
Serialize the fields of this object to out.
write(DataOutput) - Method in class org.apache.hadoop.dfs.DatanodeInfo
Serialize the fields of this object to out.
write(DataOutput) - Method in class org.apache.hadoop.dfs.LocatedBlocks
 
write(DataOutput) - Method in class org.apache.hadoop.dfs.UpgradeStatusReport
 
write(DataOutput) - Method in class org.apache.hadoop.examples.MultiFileWordCount.WordOffset
 
write(DataOutput) - Method in class org.apache.hadoop.fs.BlockLocation
Implement write of Writable
write(DataOutput) - Method in class org.apache.hadoop.fs.ContentSummary
Serialize the fields of this object to out.
write(DataOutput) - Method in class org.apache.hadoop.fs.FileStatus
 
write(int) - Method in class org.apache.hadoop.fs.FSOutputSummer
Write one byte
write(byte[], int, int) - Method in class org.apache.hadoop.fs.FSOutputSummer
Writes len bytes from the specified byte array starting at offset off and generate a checksum for each data chunk.
write(DataOutput) - Method in class org.apache.hadoop.fs.permission.FsPermission
Serialize the fields of this object to out.
write(DataOutput) - Method in class org.apache.hadoop.fs.permission.PermissionStatus
Serialize the fields of this object to out.
write(DataOutput, String, String, FsPermission) - Static method in class org.apache.hadoop.fs.permission.PermissionStatus
Serialize a PermissionStatus from its base components.
write(DataOutput) - Method in class org.apache.hadoop.io.AbstractMapWritable
Serialize the fields of this object to out.
write(DataOutput) - Method in class org.apache.hadoop.io.ArrayWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.BooleanWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.BytesWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.ByteWritable
 
write(byte[], int, int) - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
Write compressed bytes to the stream.
write(int) - Method in class org.apache.hadoop.io.compress.GzipCodec.GzipOutputStream
 
write(byte[], int, int) - Method in class org.apache.hadoop.io.compress.GzipCodec.GzipOutputStream
 
write(DataOutput) - Method in class org.apache.hadoop.io.CompressedWritable
 
write(DataInput, int) - Method in class org.apache.hadoop.io.DataOutputBuffer
Writes bytes from a DataInput directly into the buffer.
write(DataOutput) - Method in class org.apache.hadoop.io.DoubleWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.FloatWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.GenericWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.IntWritable
 
write(byte[], int, int) - Method in class org.apache.hadoop.io.IOUtils.NullOutputStream
 
write(int) - Method in class org.apache.hadoop.io.IOUtils.NullOutputStream
 
write(DataOutput) - Method in class org.apache.hadoop.io.LongWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.MapWritable
Serialize the fields of this object to out.
write(DataOutput) - Method in class org.apache.hadoop.io.MD5Hash
 
write(DataOutput) - Method in class org.apache.hadoop.io.NullWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.ObjectWritable
 
write(InputStream, int) - Method in class org.apache.hadoop.io.OutputBuffer
Writes bytes from a InputStream directly into the buffer.
write(DataOutput) - Method in class org.apache.hadoop.io.SequenceFile.Metadata
 
write(DataOutput) - Method in class org.apache.hadoop.io.SortedMapWritable
Serialize the fields of this object to out.
write(DataOutput) - Method in class org.apache.hadoop.io.Text
serialize write this object to out length uses zero-compressed encoding
write(DataOutput) - Method in class org.apache.hadoop.io.TwoDArrayWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.UTF8
Deprecated.  
write(DataOutput) - Method in class org.apache.hadoop.io.VersionedWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.VIntWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.VLongWritable
 
write(DataOutput) - Method in interface org.apache.hadoop.io.Writable
Serialize the fields of this object to out.
write(DataOutput) - Method in class org.apache.hadoop.mapred.ClusterStatus
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.Counters.Counter
Write the binary representation of the counter
write(DataOutput) - Method in class org.apache.hadoop.mapred.Counters.Group
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.Counters
Write the set of groups.
write(DataOutput) - Method in class org.apache.hadoop.mapred.FileSplit
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.ID
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.JobID
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.JobProfile
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.JobStatus
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.join.CompositeInputSplit
Write splits in the following format.
write(DataOutput) - Method in class org.apache.hadoop.mapred.join.TupleWritable
Writes each Writable to out.
write(DataOutput) - Method in class org.apache.hadoop.mapred.MultiFileSplit
 
write(K, V) - Method in interface org.apache.hadoop.mapred.RecordWriter
Writes a key/value pair.
write(DataOutput) - Method in class org.apache.hadoop.mapred.TaskAttemptID
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.TaskCompletionEvent
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.TaskID
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.TaskReport
 
write(K, V) - Method in class org.apache.hadoop.mapred.TextOutputFormat.LineRecordWriter
 
write(int) - Method in class org.apache.hadoop.net.SocketOutputStream
 
write(byte[], int, int) - Method in class org.apache.hadoop.net.SocketOutputStream
 
write(ByteBuffer) - Method in class org.apache.hadoop.net.SocketOutputStream
 
write(DataOutput) - Method in class org.apache.hadoop.record.Record
 
write(DataOutput) - Method in class org.apache.hadoop.security.UnixUserGroupInformation
Serialize this object First write a string marking that this is a UGI in the string format, then write this object's serialized form to the given data output
WRITE_TIMEOUT - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
WRITE_TIMEOUT_EXTENSION - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
writeBlockOp - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
writeBool(boolean, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
 
writeBool(boolean, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
 
writeBool(boolean, String) - Method in interface org.apache.hadoop.record.RecordOutput
Write a boolean to serialized record.
writeBool(boolean, String) - Method in class org.apache.hadoop.record.XmlRecordOutput
 
writeBuffer(Buffer, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
 
writeBuffer(Buffer, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
 
writeBuffer(Buffer, String) - Method in interface org.apache.hadoop.record.RecordOutput
Write a buffer to serialized record.
writeBuffer(Buffer, String) - Method in class org.apache.hadoop.record.XmlRecordOutput
 
writeByte(byte, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
 
writeByte(byte, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
 
writeByte(byte, String) - Method in interface org.apache.hadoop.record.RecordOutput
Write a byte to serialized record.
writeByte(byte, String) - Method in class org.apache.hadoop.record.XmlRecordOutput
 
writeChunk(byte[], int, int, byte[]) - Method in class org.apache.hadoop.fs.FSOutputSummer
 
writeCompressed(DataOutput) - Method in class org.apache.hadoop.io.CompressedWritable
Subclasses implement this instead of CompressedWritable.write(DataOutput).
writeCompressedByteArray(DataOutput, byte[]) - Static method in class org.apache.hadoop.io.WritableUtils
 
writeCompressedBytes(DataOutputStream) - Method in interface org.apache.hadoop.io.SequenceFile.ValueBytes
Write compressed bytes to outStream.
writeCompressedBytes(DataOutputStream) - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat.WritableValueBytes
 
writeCompressedString(DataOutput, String) - Static method in class org.apache.hadoop.io.WritableUtils
 
writeCompressedStringArray(DataOutput, String[]) - Static method in class org.apache.hadoop.io.WritableUtils
 
writeDouble(double, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
 
writeDouble(double, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
 
writeDouble(double, String) - Method in interface org.apache.hadoop.record.RecordOutput
Write a double precision floating point number to serialized record.
writeDouble(double, String) - Method in class org.apache.hadoop.record.XmlRecordOutput
 
writeEnum(DataOutput, Enum) - Static method in class org.apache.hadoop.io.WritableUtils
writes String value of enum to DataOutput.
writeFile(SequenceFile.Sorter.RawKeyValueIterator, SequenceFile.Writer) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Writes records from RawKeyValueIterator into a file represented by the passed writer
writeFloat(float, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
 
writeFloat(float, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
 
writeFloat(float, String) - Method in interface org.apache.hadoop.record.RecordOutput
Write a single-precision float to serialized record.
writeFloat(float, String) - Method in class org.apache.hadoop.record.XmlRecordOutput
 
writeHeader(DataOutputStream) - Method in class org.apache.hadoop.dfs.DataChecksum
Writes the checksum header to the output stream out.
writeInt(int, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
 
writeInt(int, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
 
writeInt(int, String) - Method in interface org.apache.hadoop.record.RecordOutput
Write an integer to serialized record.
writeInt(int, String) - Method in class org.apache.hadoop.record.XmlRecordOutput
 
writeLong(long, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
 
writeLong(long, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
 
writeLong(long, String) - Method in interface org.apache.hadoop.record.RecordOutput
Write a long integer to serialized record.
writeLong(long, String) - Method in class org.apache.hadoop.record.XmlRecordOutput
 
writeObject(DataOutput, Object, Class, Configuration) - Static method in class org.apache.hadoop.io.ObjectWritable
Write a Writable, String, primitive type, or an array of the preceding.
writeRAMFiles(DataOutput, RAMDirectory, String[]) - Static method in class org.apache.hadoop.contrib.index.lucene.RAMDirectoryUtil
Write a number of files from a ram directory to a data output.
writesFromLocalClient - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
writesFromRemoteClient - Variable in class org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
 
writeString(DataOutput, String) - Static method in class org.apache.hadoop.io.Text
Write a UTF8 encoded string to out
writeString(DataOutput, String) - Static method in class org.apache.hadoop.io.UTF8
Deprecated. Write a UTF-8 encoded string.
writeString(DataOutput, String) - Static method in class org.apache.hadoop.io.WritableUtils
 
writeString(String, String) - Method in class org.apache.hadoop.record.BinaryRecordOutput
 
writeString(String, String) - Method in class org.apache.hadoop.record.CsvRecordOutput
 
writeString(String, String) - Method in interface org.apache.hadoop.record.RecordOutput
Write a unicode string to serialized record.
writeString(String, String) - Method in class org.apache.hadoop.record.XmlRecordOutput
 
writeStringArray(DataOutput, String[]) - Static method in class org.apache.hadoop.io.WritableUtils
 
writeToBlock(Block, boolean) - Method in interface org.apache.hadoop.dfs.FSDatasetInterface
Creates the block and returns output streams to write data and CRC
writeUncompressedBytes(DataOutputStream) - Method in interface org.apache.hadoop.io.SequenceFile.ValueBytes
Writes the uncompressed bytes to the outStream.
writeUncompressedBytes(DataOutputStream) - Method in class org.apache.hadoop.mapred.SequenceFileAsBinaryOutputFormat.WritableValueBytes
 
writeValue(DataOutputStream, boolean) - Method in class org.apache.hadoop.dfs.DataChecksum
Writes the current checksum to the stream.
writeValue(byte[], int, boolean) - Method in class org.apache.hadoop.dfs.DataChecksum
Writes the current checksum to a buffer.
writeVInt(DataOutput, int) - Static method in class org.apache.hadoop.io.WritableUtils
Serializes an integer to a binary stream with zero-compressed encoding.
writeVInt(DataOutput, int) - Static method in class org.apache.hadoop.record.Utils
Serializes an int to a binary stream with zero-compressed encoding.
writeVLong(DataOutput, long) - Static method in class org.apache.hadoop.io.WritableUtils
Serializes a long to a binary stream with zero-compressed encoding.
writeVLong(DataOutput, long) - Static method in class org.apache.hadoop.record.Utils
Serializes a long to a binary stream with zero-compressed encoding.

X

xceiverCount - Variable in class org.apache.hadoop.dfs.DatanodeInfo
 
xmargin - Static variable in class org.apache.hadoop.mapred.StatusHttpServer.TaskGraphServlet
margin space on x axis
XmlRecordInput - Class in org.apache.hadoop.record
XML Deserializer.
XmlRecordInput(InputStream) - Constructor for class org.apache.hadoop.record.XmlRecordInput
Creates a new instance of XmlRecordInput
XmlRecordOutput - Class in org.apache.hadoop.record
XML Serializer.
XmlRecordOutput(OutputStream) - Constructor for class org.apache.hadoop.record.XmlRecordOutput
Creates a new instance of XmlRecordOutput
XMLUtils - Class in org.apache.hadoop.util
General xml utilities.
XMLUtils() - Constructor for class org.apache.hadoop.util.XMLUtils
 

Y

ymargin - Static variable in class org.apache.hadoop.mapred.StatusHttpServer.TaskGraphServlet
margin space on y axis

Z

ZlibCompressor - Class in org.apache.hadoop.io.compress.zlib
A Compressor based on the popular zlib compression algorithm.
ZlibCompressor(ZlibCompressor.CompressionLevel, ZlibCompressor.CompressionStrategy, ZlibCompressor.CompressionHeader, int) - Constructor for class org.apache.hadoop.io.compress.zlib.ZlibCompressor
Creates a new compressor using the specified compression level.
ZlibCompressor() - Constructor for class org.apache.hadoop.io.compress.zlib.ZlibCompressor
Creates a new compressor with the default compression level.
ZlibCompressor.CompressionHeader - Enum in org.apache.hadoop.io.compress.zlib
The type of header for compressed data.
ZlibCompressor.CompressionLevel - Enum in org.apache.hadoop.io.compress.zlib
The compression level for zlib library.
ZlibCompressor.CompressionStrategy - Enum in org.apache.hadoop.io.compress.zlib
The compression level for zlib library.
ZlibDecompressor - Class in org.apache.hadoop.io.compress.zlib
A Decompressor based on the popular zlib compression algorithm.
ZlibDecompressor(ZlibDecompressor.CompressionHeader, int) - Constructor for class org.apache.hadoop.io.compress.zlib.ZlibDecompressor
Creates a new decompressor.
ZlibDecompressor() - Constructor for class org.apache.hadoop.io.compress.zlib.ZlibDecompressor
 
ZlibDecompressor.CompressionHeader - Enum in org.apache.hadoop.io.compress.zlib
The headers to detect from compressed data.
ZlibFactory - Class in org.apache.hadoop.io.compress.zlib
A collection of factories to create the right zlib/gzip compressor/decompressor instances.
ZlibFactory() - Constructor for class org.apache.hadoop.io.compress.zlib.ZlibFactory
 

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