程序包 | 说明 |
---|---|
org.apache.hadoop.hdfs |
A distributed implementation of
FileSystem . |
org.apache.hadoop.hdfs.server.datanode | |
org.apache.hadoop.hdfs.server.namenode |
限定符和类型 | 类和说明 |
---|---|
class |
DFSClient
DFSClient can connect to a Hadoop Filesystem and
perform basic file tasks.
|
限定符和类型 | 类和说明 |
---|---|
class |
DataNode
DataNode is a class (and program) that stores a set of
blocks for a DFS deployment.
|
class |
FSDataset
FSDataset manages a set of data blocks.
|
限定符和类型 | 类和说明 |
---|---|
class |
FSNamesystem
FSNamesystem does the actual bookkeeping work for the
DataNode.
|
class |
NameNode
NameNode serves as both directory namespace manager and
"inode table" for the Hadoop DFS.
|
Copyright © 2009 The Apache Software Foundation