Package org.apache.hadoop.hdfs.server.common

Interface Summary

Interface	Description
BlockAlias	Interface used to load provided blocks.

Class Summary

Class	Description
FileRegion	This class is used to represent provided blocks that are file regions, i.e., can be described using (path, offset, length).
MetricsLoggerTask	MetricsLoggerTask can be used as utility to dump metrics to log.

Enum Summary

Enum	Description
HdfsServerConstants.BlockUCState	States, which a block can go through while it is under construction.
HdfsServerConstants.NamenodeRole	Defines the NameNode role.
HdfsServerConstants.NodeType	Type of the node
HdfsServerConstants.ReplicaState	Block replica states, which it can go through while being constructed.
HdfsServerConstants.RollingUpgradeStartupOption	Startup options for rolling upgrade.
HdfsServerConstants.StartupOption	Startup options
Storage.StorageState