Uses of Class
org.apache.hadoop.hdfs.server.protocol.ServerCommand

Packages that use ServerCommand

Package	Description
org.apache.hadoop.hdfs.server.protocol

Uses of ServerCommand in org.apache.hadoop.hdfs.server.protocol

Subclasses of ServerCommand in org.apache.hadoop.hdfs.server.protocol

Modifier and Type	Class	Description
class	BalancerBandwidthCommand	Balancer bandwidth command instructs each datanode to change its value for the max amount of network bandwidth it may use during the block balancing operation.
class	BlockCommand	A BlockCommand is an instruction to a datanode regarding some blocks under its control.
class	BlockECReconstructionCommand	A BlockECReconstructionCommand is an instruction to a DataNode to reconstruct a striped block group with missing blocks.
class	BlockIdCommand	A BlockIdCommand is an instruction to a datanode regarding some blocks under its control.
class	BlockRecoveryCommand	BlockRecoveryCommand is an instruction to a data-node to recover the specified blocks.
class	BlockStorageMovementCommand	A BlockStorageMovementCommand is an instruction to a DataNode to move the given set of blocks to specified target DataNodes to fulfill the block storage policy.
class	CheckpointCommand	Checkpoint command.
class	DatanodeCommand	Base class for data-node command.
class	DropSPSWorkCommand	A DropSPSWorkCommand is an instruction to a datanode to drop the SPSWorker's pending block storage movement queues.
class	FinalizeCommand	A BlockCommand is an instruction to a datanode to register with the namenode.
class	KeyUpdateCommand
class	NamenodeCommand	Base class for name-node command.
class	RegisterCommand	A RegisterCommand is an instruction to a datanode to register with the namenode.