Package org.apache.hadoop.hdfs.server.datanode

Class Summary

Class	Description
CachingStrategy	The caching strategy we should use for an HDFS read or write operation.
CachingStrategy.Builder
DiskBalancerWorkStatus.DiskBalancerWorkEntry	A class that is used to report each work item that we are working on.

Enum Summary

Enum	Description
DiskBalancerWorkStatus.Result	Various result values.

Exception Summary

Exception	Description
CorruptMetaHeaderException	Exception object that is thrown when the block metadata file is corrupt.
ReplicaNotFoundException	Exception indicating that DataNode does not have a replica that matches the target block.