| 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.