| 程序包 | 说明 |
|---|---|
| org.apache.hadoop.hdfs.server.datanode | |
| org.apache.hadoop.hdfs.server.protocol |
| 类和说明 |
|---|
| BlockMetadataHeader
BlockMetadataHeader manages metadata for data blocks on Datanodes.
|
| DataNode
DataNode is a class (and program) that stores a set of
blocks for a DFS deployment.
|
| DataNodeMXBean
This is the JMX management interface for data node information
|
| DataStorage
Data storage information file.
|
| FSDatasetInterface
This is an interface for the underlying storage that stores blocks for
a data node.
|
| FSDatasetInterface.BlockInputStreams
This class contains the input streams for the data and checksum
of a block
|
| 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
|
| SecureDataNodeStarter.SecureResources
Stash necessary resources needed for datanode operation in a secure env.
|
| 类和说明 |
|---|
| DataStorage
Data storage information file.
|
Copyright © 2009 The Apache Software Foundation