Uses of Class
org.apache.hadoop.mapred.JobConf

Packages that use JobConf
org.apache.hadoop.contrib.index.example   
org.apache.hadoop.contrib.index.mapred   
org.apache.hadoop.contrib.utils.join   
org.apache.hadoop.examples Hadoop example code. 
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.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 Utilities for managing dependent jobs. 
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 Library of generally useful mappers, reducers, and partitioners. 
org.apache.hadoop.mapred.lib.aggregate Classes for performing various counting and aggregations. 
org.apache.hadoop.mapred.pipes Hadoop Pipes allows C++ code to use Hadoop DFS and map/reduce. 
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 Common utilities. 
 

Uses of JobConf in org.apache.hadoop.contrib.index.example
 

Methods in org.apache.hadoop.contrib.index.example with parameters of type JobConf
 void LineDocLocalAnalysis.configure(JobConf job)
           
 void IdentityLocalAnalysis.configure(JobConf job)
           
 RecordReader<DocumentID,LineDocTextAndOp> LineDocInputFormat.getRecordReader(InputSplit split, JobConf job, Reporter reporter)
           
 

Uses of JobConf in org.apache.hadoop.contrib.index.mapred
 

Methods in org.apache.hadoop.contrib.index.mapred with parameters of type JobConf
 void IndexUpdatePartitioner.configure(JobConf job)
           
 void IndexUpdateCombiner.configure(JobConf job)
           
 void IndexUpdateReducer.configure(JobConf job)
           
 void IndexUpdateMapper.configure(JobConf job)
           
 RecordWriter<Shard,Text> IndexUpdateOutputFormat.getRecordWriter(FileSystem fs, JobConf job, String name, Progressable progress)
           
 

Uses of JobConf in org.apache.hadoop.contrib.utils.join
 

Fields in org.apache.hadoop.contrib.utils.join declared as JobConf
protected  JobConf DataJoinReducerBase.job
           
protected  JobConf DataJoinMapperBase.job
           
 

Methods in org.apache.hadoop.contrib.utils.join that return JobConf
static JobConf DataJoinJob.createDataJoinJob(String[] args)
           
 

Methods in org.apache.hadoop.contrib.utils.join with parameters of type JobConf
 void DataJoinReducerBase.configure(JobConf job)
           
 void DataJoinMapperBase.configure(JobConf job)
           
 void JobBase.configure(JobConf job)
          Initializes a new instance from a JobConf.
static boolean DataJoinJob.runJob(JobConf job)
          Submit/run a map/reduce job.
 

Uses of JobConf in org.apache.hadoop.examples
 

Methods in org.apache.hadoop.examples with parameters of type JobConf
 void SleepJob.configure(JobConf job)
           
 void PiEstimator.PiMapper.configure(JobConf job)
          Mapper configuration.
 void PiEstimator.PiReducer.configure(JobConf job)
          Reducer configuration.
 RecordReader<MultiFileWordCount.WordOffset,Text> MultiFileWordCount.MyInputFormat.getRecordReader(InputSplit split, JobConf job, Reporter reporter)
           
 

Uses of JobConf in org.apache.hadoop.examples.dancing
 

Methods in org.apache.hadoop.examples.dancing with parameters of type JobConf
 void DistributedPentomino.PentMap.configure(JobConf conf)
           
 

Uses of JobConf in org.apache.hadoop.mapred
 

Methods in org.apache.hadoop.mapred with parameters of type JobConf
static void FileInputFormat.addInputPath(JobConf conf, Path path)
          Add a Path to the list of inputs for the map-reduce job.
static void FileInputFormat.addInputPaths(JobConf conf, String commaSeparatedPaths)
          Add the given comma separated paths to the list of inputs for the map-reduce job.
 void SequenceFileAsBinaryOutputFormat.checkOutputSpecs(FileSystem ignored, JobConf job)
           
 void OutputFormatBase.checkOutputSpecs(FileSystem ignored, JobConf job)
          Deprecated.  
 void FileOutputFormat.checkOutputSpecs(FileSystem ignored, JobConf job)
           
 void OutputFormat.checkOutputSpecs(FileSystem ignored, JobConf job)
          Check for validity of the output-specification for the job.
 void TextInputFormat.configure(JobConf conf)
           
 void MapRunner.configure(JobConf job)
           
 void MapReduceBase.configure(JobConf job)
          Default implementation that does nothing.
 void KeyValueTextInputFormat.configure(JobConf conf)
           
 void JobConfigurable.configure(JobConf job)
          Initializes a new instance from a JobConf.
static boolean OutputFormatBase.getCompressOutput(JobConf conf)
          Deprecated. Is the job output compressed?
static boolean FileOutputFormat.getCompressOutput(JobConf conf)
          Is the job output compressed?
static PathFilter FileInputFormat.getInputPathFilter(JobConf conf)
          Get a PathFilter instance of the filter set for the input paths.
static Path[] FileInputFormat.getInputPaths(JobConf conf)
          Get the list of input Paths for the map-reduce job.
static SequenceFile.CompressionType SequenceFileOutputFormat.getOutputCompressionType(JobConf conf)
          Get the SequenceFile.CompressionType for the output SequenceFile.
static Class<? extends CompressionCodec> OutputFormatBase.getOutputCompressorClass(JobConf conf, Class<? extends CompressionCodec> defaultValue)
          Deprecated. Get the CompressionCodec for compressing the job outputs.
static Class<? extends CompressionCodec> FileOutputFormat.getOutputCompressorClass(JobConf conf, Class<? extends CompressionCodec> defaultValue)
          Get the CompressionCodec for compressing the job outputs.
static Path FileOutputFormat.getOutputPath(JobConf conf)
          Get the Path to the output directory for the map-reduce job.
 RecordReader<LongWritable,Text> TextInputFormat.getRecordReader(InputSplit genericSplit, JobConf job, Reporter reporter)
           
 RecordReader<K,V> SequenceFileInputFilter.getRecordReader(InputSplit split, JobConf job, Reporter reporter)
          Create a record reader for the given split
 RecordReader<Text,Text> SequenceFileAsTextInputFormat.getRecordReader(InputSplit split, JobConf job, Reporter reporter)
           
 RecordReader<K,V> SequenceFileInputFormat.getRecordReader(InputSplit split, JobConf job, Reporter reporter)
           
 RecordReader<BytesWritable,BytesWritable> SequenceFileAsBinaryInputFormat.getRecordReader(InputSplit split, JobConf job, Reporter reporter)
           
abstract  RecordReader<K,V> MultiFileInputFormat.getRecordReader(InputSplit split, JobConf job, Reporter reporter)
           
 RecordReader<Text,Text> KeyValueTextInputFormat.getRecordReader(InputSplit genericSplit, JobConf job, Reporter reporter)
           
abstract  RecordReader<K,V> FileInputFormat.getRecordReader(InputSplit split, JobConf job, Reporter reporter)
           
 RecordReader<K,V> InputFormat.getRecordReader(InputSplit split, JobConf job, Reporter reporter)
          Get the RecordReader for the given InputSplit.
 RecordWriter<K,V> TextOutputFormat.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)
           
 RecordWriter<K,V> SequenceFileOutputFormat.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)
           
 RecordWriter<BytesWritable,BytesWritable> SequenceFileAsBinaryOutputFormat.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)
           
abstract  RecordWriter<K,V> OutputFormatBase.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)
          Deprecated.  
 RecordWriter<WritableComparable,Writable> MapFileOutputFormat.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)
           
abstract  RecordWriter<K,V> FileOutputFormat.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)
           
 RecordWriter<K,V> OutputFormat.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)
          Get the RecordWriter for the given job.
static Class<?> SequenceFileAsBinaryOutputFormat.getSequenceFileOutputKeyClass(JobConf conf)
          Get the key class for the SequenceFile
static Class<?> SequenceFileAsBinaryOutputFormat.getSequenceFileOutputValueClass(JobConf conf)
          Get the value class for the SequenceFile
 InputSplit[] MultiFileInputFormat.getSplits(JobConf job, int numSplits)
           
 InputSplit[] FileInputFormat.getSplits(JobConf job, int numSplits)
          Splits files returned by FileInputFormat.listStatus(JobConf) when they're too big.
 InputSplit[] InputFormat.getSplits(JobConf job, int numSplits)
          Logically split the set of input files for the job.
static long TaskLog.getTaskLogLength(JobConf conf)
          Get the desired maximum length of task's logs.
static JobClient.TaskStatusFilter JobClient.getTaskOutputFilter(JobConf job)
          Get the task output filter out of the JobConf.
protected static Path FileOutputFormat.getTaskOutputPath(JobConf conf, String name)
          Helper function to create the task's temporary output directory and return the path to the task's output file.
static Path FileOutputFormat.getWorkOutputPath(JobConf conf)
          Get the Path to the task's temporary output directory for the map-reduce job

Tasks' Side-Effect Files

 void JobClient.init(JobConf conf)
          Connect to the default JobTracker.
static boolean JobHistory.init(JobConf conf, String hostname)
          Initialize JobHistory files.
protected  Path[] SequenceFileInputFormat.listPaths(JobConf job)
           
protected  Path[] FileInputFormat.listPaths(JobConf job)
          Deprecated. Use FileInputFormat.listStatus(JobConf) instead.
protected  FileStatus[] FileInputFormat.listStatus(JobConf job)
          List input directories.
static void JobEndNotifier.localRunnerNotification(JobConf conf, JobStatus status)
           
static void JobHistory.JobInfo.logSubmitted(JobID jobId, JobConf jobConf, String jobConfPath, long submitTime)
          Log job submitted event to history.
static void JobHistory.JobInfo.logSubmitted(String jobid, JobConf jobConf, String jobConfPath, long submitTime)
          Deprecated. 
static void JobEndNotifier.registerNotification(JobConf jobConf, JobStatus status)
           
static RunningJob JobClient.runJob(JobConf job)
          Utility that submits a job, then polls for progress until the job is complete.
static void OutputFormatBase.setCompressOutput(JobConf conf, boolean compress)
          Deprecated. Set whether the output of the job is compressed.
static void FileOutputFormat.setCompressOutput(JobConf conf, boolean compress)
          Set whether the output of the job is compressed.
static void FileInputFormat.setInputPathFilter(JobConf conf, Class<? extends PathFilter> filter)
          Set a PathFilter to be applied to the input paths for the map-reduce job.
static void FileInputFormat.setInputPaths(JobConf conf, Path... inputPaths)
          Set the array of Paths as the list of inputs for the map-reduce job.
static void FileInputFormat.setInputPaths(JobConf conf, String commaSeparatedPaths)
          Sets the given comma separated paths as the list of inputs for the map-reduce job.
static void SequenceFileOutputFormat.setOutputCompressionType(JobConf conf, SequenceFile.CompressionType style)
          Set the SequenceFile.CompressionType for the output SequenceFile.
static void OutputFormatBase.setOutputCompressorClass(JobConf conf, Class<? extends CompressionCodec> codecClass)
          Deprecated. Set the CompressionCodec to be used to compress job outputs.
static void FileOutputFormat.setOutputCompressorClass(JobConf conf, Class<? extends CompressionCodec> codecClass)
          Set the CompressionCodec to be used to compress job outputs.
static void FileOutputFormat.setOutputPath(JobConf conf, Path outputDir)
          Set the Path of the output directory for the map-reduce job.
static void SequenceFileAsBinaryOutputFormat.setSequenceFileOutputKeyClass(JobConf conf, Class<?> theClass)
          Set the key class for the SequenceFile
static void SequenceFileAsBinaryOutputFormat.setSequenceFileOutputValueClass(JobConf conf, Class<?> theClass)
          Set the value class for the SequenceFile
static void JobClient.setTaskOutputFilter(JobConf job, JobClient.TaskStatusFilter newValue)
          Modify the JobConf to set the task output filter.
static JobTracker JobTracker.startTracker(JobConf conf)
          Start the JobTracker with given configuration.
 RunningJob JobClient.submitJob(JobConf job)
          Submit a job to the MR system.
 void FileInputFormat.validateInput(JobConf job)
          Deprecated. 
 void InputFormat.validateInput(JobConf job)
          Deprecated. getSplits is called in the client and can perform any necessary validation of the input
 

Constructors in org.apache.hadoop.mapred with parameters of type JobConf
FileSplit(Path file, long start, long length, JobConf conf)
          Deprecated.  
JobClient(JobConf conf)
          Build a job client with the given JobConf, and connect to the default JobTracker.
MultiFileSplit(JobConf job, Path[] files, long[] lengths)
           
TaskTracker(JobConf conf)
          Start with the local machine name, and the default JobTracker
 

Uses of JobConf in org.apache.hadoop.mapred.jobcontrol
 

Methods in org.apache.hadoop.mapred.jobcontrol that return JobConf
 JobConf Job.getJobConf()
           
 

Methods in org.apache.hadoop.mapred.jobcontrol with parameters of type JobConf
 void Job.setJobConf(JobConf jobConf)
          Set the mapred job conf for this job.
 

Constructors in org.apache.hadoop.mapred.jobcontrol with parameters of type JobConf
Job(JobConf jobConf)
          Construct a job.
Job(JobConf jobConf, ArrayList<Job> dependingJobs)
          Construct a job.
 

Uses of JobConf in org.apache.hadoop.mapred.join
 

Methods in org.apache.hadoop.mapred.join with parameters of type JobConf
 ComposableRecordReader<K,TupleWritable> CompositeInputFormat.getRecordReader(InputSplit split, JobConf job, Reporter reporter)
          Construct a CompositeRecordReader for the children of this InputFormat as defined in the init expression.
 ComposableRecordReader<K,V> ComposableInputFormat.getRecordReader(InputSplit split, JobConf job, Reporter reporter)
           
 InputSplit[] CompositeInputFormat.getSplits(JobConf job, int numSplits)
          Build a CompositeInputSplit from the child InputFormats by assigning the ith split from each child to the ith composite split.
 void CompositeInputFormat.setFormat(JobConf job)
          Interpret a given string as a composite expression.
 void CompositeInputFormat.validateInput(JobConf job)
          Verify that this composite has children and that all its children can validate their input.
 

Constructors in org.apache.hadoop.mapred.join with parameters of type JobConf
JoinRecordReader(int id, JobConf conf, int capacity, Class<? extends WritableComparator> cmpcl)
           
MultiFilterRecordReader(int id, JobConf conf, int capacity, Class<? extends WritableComparator> cmpcl)
           
 

Uses of JobConf in org.apache.hadoop.mapred.lib
 

Methods in org.apache.hadoop.mapred.lib with parameters of type JobConf
 void NullOutputFormat.checkOutputSpecs(FileSystem ignored, JobConf job)
           
 void RegexMapper.configure(JobConf job)
           
 void NLineInputFormat.configure(JobConf conf)
           
 void MultithreadedMapRunner.configure(JobConf jobConf)
           
 void KeyFieldBasedPartitioner.configure(JobConf job)
           
 void HashPartitioner.configure(JobConf job)
           
 void FieldSelectionMapReduce.configure(JobConf job)
           
protected  RecordWriter<K,V> MultipleTextOutputFormat.getBaseRecordWriter(FileSystem fs, JobConf job, String name, Progressable arg3)
           
protected  RecordWriter<K,V> MultipleSequenceFileOutputFormat.getBaseRecordWriter(FileSystem fs, JobConf job, String name, Progressable arg3)
           
protected abstract  RecordWriter<K,V> MultipleOutputFormat.getBaseRecordWriter(FileSystem fs, JobConf job, String name, Progressable arg3)
           
protected  String MultipleOutputFormat.getInputFileBasedOutputFileName(JobConf job, String name)
          Generate the outfile name based on a given anme and the input file name.
 RecordReader<LongWritable,Text> NLineInputFormat.getRecordReader(InputSplit genericSplit, JobConf job, Reporter reporter)
           
 RecordWriter<K,V> NullOutputFormat.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)
           
 RecordWriter<K,V> MultipleOutputFormat.getRecordWriter(FileSystem fs, JobConf job, String name, Progressable arg3)
          Create a composite record writer that can write key/value data to different output files
 InputSplit[] NLineInputFormat.getSplits(JobConf job, int numSplits)
          Logically splits the set of input files for the job, splits N lines of the input as one split.
 

Uses of JobConf in org.apache.hadoop.mapred.lib.aggregate
 

Methods in org.apache.hadoop.mapred.lib.aggregate that return JobConf
static JobConf ValueAggregatorJob.createValueAggregatorJob(String[] args)
          Create an Aggregate based map/reduce job.
static JobConf ValueAggregatorJob.createValueAggregatorJob(String[] args, Class<? extends ValueAggregatorDescriptor>[] descriptors)
           
 

Methods in org.apache.hadoop.mapred.lib.aggregate with parameters of type JobConf
 void ValueAggregatorJobBase.configure(JobConf job)
           
 void ValueAggregatorCombiner.configure(JobConf job)
          Combiner does not need to configure.
 void ValueAggregatorBaseDescriptor.configure(JobConf job)
          get the input file name.
 void ValueAggregatorDescriptor.configure(JobConf job)
          Configure the object
 void UserDefinedValueAggregatorDescriptor.configure(JobConf job)
          Do nothing.
static void ValueAggregatorJob.setAggregatorDescriptors(JobConf job, Class<? extends ValueAggregatorDescriptor>[] descriptors)
           
 

Constructors in org.apache.hadoop.mapred.lib.aggregate with parameters of type JobConf
UserDefinedValueAggregatorDescriptor(String className, JobConf job)
           
 

Uses of JobConf in org.apache.hadoop.mapred.pipes
 

Methods in org.apache.hadoop.mapred.pipes with parameters of type JobConf
static String Submitter.getExecutable(JobConf conf)
          Get the URI of the application's executable.
static boolean Submitter.getIsJavaMapper(JobConf conf)
          Check whether the job is using a Java Mapper.
static boolean Submitter.getIsJavaRecordReader(JobConf conf)
          Check whether the job is using a Java RecordReader
static boolean Submitter.getIsJavaRecordWriter(JobConf conf)
          Will the reduce use a Java RecordWriter?
static boolean Submitter.getIsJavaReducer(JobConf conf)
          Check whether the job is using a Java Reducer.
static boolean Submitter.getKeepCommandFile(JobConf conf)
          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.
static void Submitter.setExecutable(JobConf conf, String executable)
          Set the URI for the application's executable.
static void Submitter.setIsJavaMapper(JobConf conf, boolean value)
          Set whether the Mapper is written in Java.
static void Submitter.setIsJavaRecordReader(JobConf conf, boolean value)
          Set whether the job is using a Java RecordReader.
static void Submitter.setIsJavaRecordWriter(JobConf conf, boolean value)
          Set whether the job will use a Java RecordWriter.
static void Submitter.setIsJavaReducer(JobConf conf, boolean value)
          Set whether the Reducer is written in Java.
static void Submitter.setKeepCommandFile(JobConf conf, boolean keep)
          Set whether to keep the command file for debugging
static RunningJob Submitter.submitJob(JobConf conf)
          Submit a job to the map/reduce cluster.
 

Uses of JobConf in org.apache.hadoop.streaming
 

Fields in org.apache.hadoop.streaming declared as JobConf
protected  JobConf StreamJob.jobConf_
           
 

Methods in org.apache.hadoop.streaming with parameters of type JobConf
 void PipeMapRed.configure(JobConf job)
           
 void PipeMapper.configure(JobConf job)
           
static FileSplit StreamUtil.getCurrentSplit(JobConf job)
           
 RecordReader<Text,Text> StreamInputFormat.getRecordReader(InputSplit genericSplit, JobConf job, Reporter reporter)
           
static org.apache.hadoop.streaming.StreamUtil.TaskId StreamUtil.getTaskInfo(JobConf job)
           
static boolean StreamUtil.isLocalJobTracker(JobConf job)
           
 void StreamBaseRecordReader.validateInput(JobConf job)
          This implementation always returns true.
 

Constructors in org.apache.hadoop.streaming with parameters of type JobConf
StreamBaseRecordReader(FSDataInputStream in, FileSplit split, Reporter reporter, JobConf job, FileSystem fs)
           
StreamXmlRecordReader(FSDataInputStream in, FileSplit split, Reporter reporter, JobConf job, FileSystem fs)
           
 

Uses of JobConf in org.apache.hadoop.util
 

Methods in org.apache.hadoop.util with parameters of type JobConf
 boolean NativeCodeLoader.getLoadNativeLibraries(JobConf jobConf)
          Return if native hadoop libraries, if present, can be used for this job.
static String[] Shell.getUlimitMemoryCommand(JobConf job)
          Get the Unix command for setting the maximum virtual memory available to a given child process.
 void NativeCodeLoader.setLoadNativeLibraries(JobConf jobConf, boolean loadNativeLibraries)
          Set if native hadoop libraries, if present, can be used for this job.
 



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