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

Class Summary

Class	Description
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