|
||||||||||
PREV NEXT | FRAMES NO FRAMES |
Packages that use org.apache.hadoop.dfs | |
---|---|
org.apache.hadoop.dfs | A distributed implementation of FileSystem . |
org.apache.hadoop.dfs.namenode.metrics |
Classes in org.apache.hadoop.dfs used by org.apache.hadoop.dfs | |
---|---|
DataChecksum
This class provides inteface and utilities for processing checksums for DFS data transfers. |
|
DataNode
DataNode is a class (and program) that stores a set of blocks for a DFS deployment. |
|
DatanodeDescriptor
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. |
|
DatanodeID
DatanodeID is composed of the data node name (hostname:portNumber) and the data storage ID, which it currently represents. |
|
DatanodeInfo
DatanodeInfo represents the status of a DataNode. |
|
DatanodeInfo.AdminStates
|
|
DistributedFileSystem.DiskStatus
|
|
FSConstants
Some handy constants |
|
FSConstants.CheckpointStates
|
|
FSConstants.DatanodeReportType
|
|
FSConstants.NodeType
Type of the node |
|
FSConstants.SafeModeAction
|
|
FSConstants.StartupOption
|
|
FSConstants.UpgradeAction
Distributed upgrade actions: 1. |
|
FSDatasetInterface
This is an interface for the underlying storage that stores blocks for a data node. |
|
FSDatasetInterface.BlockWriteStreams
This class contains the output streams for the data and checksum of a block |
|
FSDatasetInterface.MetaDataInputStream
This class provides the input stream and length of the metadata of a block |
|
HftpFileSystem
An implementation of a protocol for accessing filesystems over HTTP. |
|
LocatedBlocks
Collection of blocks with their locations and the file length. |
|
NameNode
NameNode serves as both directory namespace manager and "inode table" for the Hadoop DFS. |
|
NameNodeMetrics
This class is for maintaining the various NameNode statistics and publishing them through the metrics interfaces. |
|
UpgradeStatusReport
Base upgrade upgradeStatus class. |
Classes in org.apache.hadoop.dfs used by org.apache.hadoop.dfs.namenode.metrics | |
---|---|
NameNodeMetrics
This class is for maintaining the various NameNode statistics and publishing them through the metrics interfaces. |
|
||||||||||
PREV NEXT | FRAMES NO FRAMES |