Uses of Package
org.apache.hadoop.dfs

Packages that use org.apache.hadoop.dfs
org.apache.hadoop.dfs A distributed implementation of FileSystem
 

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.
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.
UpgradeStatusReport
          Base upgrade upgradeStatus class.
 



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