Class and Description |
---|
NamespaceInfo
NamespaceInfo is returned by the name-node in reply
to a data-node handshake.
|
Class and Description |
---|
JournalInfo
Information that describes a journal
|
NodeRegistration
Generic class specifying information, which need to be sent to the name-node
during the registration process.
|
Class and Description |
---|
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.
|
BlockCommand
A BlockCommand is an instruction to a datanode
regarding some blocks under its control.
|
BlockRecoveryCommand
BlockRecoveryCommand is an instruction to a data-node to recover
the specified blocks.
|
BlockRecoveryCommand.RecoveringBlock
This is a block with locations from which it should be recovered
and the new generation stamp, which the block will have after
successful recovery.
|
BlocksWithLocations
Maintains an array of blocks and their corresponding storage IDs.
|
BlocksWithLocations.BlockWithLocations
A class to keep track of a block and its locations
|
CheckpointCommand
Checkpoint command.
|
DatanodeCommand
Base class for data-node command.
|
DatanodeProtocol
Protocol that a DFS datanode uses to communicate with the NameNode.
|
DatanodeRegistration
DatanodeRegistration class contains all information the name-node needs
to identify and verify a data-node when it contacts the name-node.
|
DatanodeStorage
Class captures information of a storage in Datanode.
|
FenceResponse
Response to a journal fence request.
|
FinalizeCommand
A BlockCommand is an instruction to a datanode to register with the namenode.
|
HeartbeatResponse |
InterDatanodeProtocol
An inter-datanode protocol for updating generation stamp
|
JournalInfo
Information that describes a journal
|
JournalProtocol
Protocol used to journal edits to a remote node.
|
KeyUpdateCommand |
NamenodeCommand
Base class for name-node command.
|
NamenodeProtocol
Protocol that a secondary NameNode uses to communicate with the NameNode.
|
NamenodeRegistration
Information sent by a subordinate name-node to the active name-node
during the registration process.
|
NamespaceInfo
NamespaceInfo is returned by the name-node in reply
to a data-node handshake.
|
NNHAStatusHeartbeat |
ReceivedDeletedBlockInfo
A data structure to store the blocks in an incremental block report.
|
RemoteEditLog |
RemoteEditLogManifest
An enumeration of logs available on a remote NameNode.
|
ReplicaRecoveryInfo
Replica recovery information.
|
StorageBlockReport
Block report for a Datanode storage
|
StorageReceivedDeletedBlocks
Report of block received and deleted per Datanode
storage.
|
StorageReport
Utilization report for a Datanode storage
|
Class and Description |
---|
NamespaceInfo
NamespaceInfo is returned by the name-node in reply
to a data-node handshake.
|
RemoteEditLogManifest
An enumeration of logs available on a remote NameNode.
|
Class and Description |
---|
NamespaceInfo
NamespaceInfo is returned by the name-node in reply
to a data-node handshake.
|
Class and Description |
---|
NamespaceInfo
NamespaceInfo is returned by the name-node in reply
to a data-node handshake.
|
Class and Description |
---|
NamespaceInfo
NamespaceInfo is returned by the name-node in reply
to a data-node handshake.
|
Class and Description |
---|
BlocksWithLocations
Maintains an array of blocks and their corresponding storage IDs.
|
DatanodeCommand
Base class for data-node command.
|
DatanodeRegistration
DatanodeRegistration class contains all information the name-node needs
to identify and verify a data-node when it contacts the name-node.
|
DisallowedDatanodeException
This exception is thrown when a datanode tries to register or communicate
with the namenode when it does not appear on the list of included nodes,
or has been specifically excluded.
|
ReceivedDeletedBlockInfo
A data structure to store the blocks in an incremental block report.
|
Class and Description |
---|
BlockRecoveryCommand.RecoveringBlock
This is a block with locations from which it should be recovered
and the new generation stamp, which the block will have after
successful recovery.
|
DatanodeRegistration
DatanodeRegistration class contains all information the name-node needs
to identify and verify a data-node when it contacts the name-node.
|
InterDatanodeProtocol
An inter-datanode protocol for updating generation stamp
|
ReplicaRecoveryInfo
Replica recovery information.
|
Class and Description |
---|
BlockRecoveryCommand.RecoveringBlock
This is a block with locations from which it should be recovered
and the new generation stamp, which the block will have after
successful recovery.
|
ReplicaRecoveryInfo
Replica recovery information.
|
Class and Description |
---|
NamenodeProtocols
The full set of RPC methods implemented by the Namenode.
|
NamenodeRegistration
Information sent by a subordinate name-node to the active name-node
during the registration process.
|
NamespaceInfo
NamespaceInfo is returned by the name-node in reply
to a data-node handshake.
|
ReceivedDeletedBlockInfo
A data structure to store the blocks in an incremental block report.
|
RemoteEditLog |
RemoteEditLogManifest
An enumeration of logs available on a remote NameNode.
|
Class and Description |
---|
BlockRecoveryCommand.RecoveringBlock
This is a block with locations from which it should be recovered
and the new generation stamp, which the block will have after
successful recovery.
|
BlocksWithLocations
Maintains an array of blocks and their corresponding storage IDs.
|
BlocksWithLocations.BlockWithLocations
A class to keep track of a block and its locations
|
DatanodeCommand
Base class for data-node command.
|
DatanodeProtocol
Protocol that a DFS datanode uses to communicate with the NameNode.
|
DatanodeRegistration
DatanodeRegistration class contains all information the name-node needs
to identify and verify a data-node when it contacts the name-node.
|
DatanodeStorage
Class captures information of a storage in Datanode.
|
DatanodeStorage.State
The state of the storage.
|
FenceResponse
Response to a journal fence request.
|
HeartbeatResponse |
JournalInfo
Information that describes a journal
|
NamenodeCommand
Base class for name-node command.
|
NamenodeProtocol
Protocol that a secondary NameNode uses to communicate with the NameNode.
|
NamenodeRegistration
Information sent by a subordinate name-node to the active name-node
during the registration process.
|
NamespaceInfo
NamespaceInfo is returned by the name-node in reply
to a data-node handshake.
|
NNHAStatusHeartbeat |
NodeRegistration
Generic class specifying information, which need to be sent to the name-node
during the registration process.
|
ReceivedDeletedBlockInfo
A data structure to store the blocks in an incremental block report.
|
ReceivedDeletedBlockInfo.BlockStatus |
RemoteEditLog |
RemoteEditLogManifest
An enumeration of logs available on a remote NameNode.
|
ReplicaRecoveryInfo
Replica recovery information.
|
ServerCommand
Base class for a server command.
|
StorageBlockReport
Block report for a Datanode storage
|
StorageReceivedDeletedBlocks
Report of block received and deleted per Datanode
storage.
|
StorageReport
Utilization report for a Datanode storage
|
Copyright © 2013 Apache Software Foundation. All rights reserved.