Uses of Package
org.apache.hadoop.hdfs.server.protocol
Packages that use org.apache.hadoop.hdfs.server.protocol
Package
Description
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.
The Balancer is a tool for balancing the data across
the storage devices of an HDFS cluster.
This package provides commonly used classes for the block movement.
Datanode side striping + erasure coding related task processing.
This package provides a mechanism for satisfying the storage policy of a
path.
This package provides a mechanism for satisfying the storage policy of a
path.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.protocolClassDescriptionInformation that describes a journalGeneric class specifying information, which need to be sent to the name-node during the registration process.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.protocolPBClassDescriptionBalancer bandwidth command instructs each datanode to change its value for the max amount of network bandwidth it may use during the block balancing operation.A BlockCommand is an instruction to a datanode regarding some blocks under its control.A BlockECReconstructionCommand is an instruction to a DataNode to reconstruct a striped block group with missing blocks.Block and targets pairA BlockIdCommand is an instruction to a datanode regarding some blocks under its control.BlockRecoveryCommand is an instruction to a data-node to recover the specified blocks.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.The context of the block report.Maintains an array of blocks and their corresponding storage IDs.A class to keep track of a block and its locationsCheckpoint command.Base class for data-node command.Protocol used by a DataNode to send lifeline messages to a NameNode.Protocol that a DFS datanode uses to communicate with the NameNode.DatanodeRegistration class contains all information the name-node needs to identify and verify a data-node when it contacts the name-node.Response to a journal fence request.A BlockCommand is an instruction to a datanode to register with the namenode.An inter-datanode protocol for updating generation stampInformation that describes a journalProtocol used to journal edits to a remote node.Base class for name-node command.Protocol that a secondary NameNode uses to communicate with the NameNode.Information sent by a subordinate name-node to the active name-node during the registration process.NamespaceInfo is returned by the name-node in reply to a data-node handshake.A data structure to store the blocks in an incremental block report.An enumeration of logs available on a remote NameNode.Replica recovery information.Block report for a Datanode storageReport of block received and deleted per Datanode storage.Summarizes information about data volume failures on a DataNode.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.qjournal.clientClassDescriptionNamespaceInfo is returned by the name-node in reply to a data-node handshake.An enumeration of logs available on a remote NameNode.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.qjournal.protocolClassDescriptionNamespaceInfo is returned by the name-node in reply to a data-node handshake.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.qjournal.protocolPBClassDescriptionNamespaceInfo is returned by the name-node in reply to a data-node handshake.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.qjournal.serverClassDescriptionNamespaceInfo is returned by the name-node in reply to a data-node handshake.An enumeration of logs available on a remote NameNode.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.server.balancerClassDescriptionMaintains an array of blocks and their corresponding storage IDs.Protocol that a secondary NameNode uses to communicate with the NameNode.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.server.blockmanagementClassDescriptionBlock and targets pairThe context of the block report.Maintains an array of blocks and their corresponding storage IDs.Base class for data-node command.DatanodeRegistration class contains all information the name-node needs to identify and verify a data-node when it contacts the name-node.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.Report of block received and deleted per Datanode storage.Summarizes information about data volume failures on a DataNode.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.server.commonClassDescriptionNamespaceInfo is returned by the name-node in reply to a data-node handshake.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.server.common.spsClassDescriptionStores block to storage info that can be used for block movement.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.server.datanodeClassDescriptionThis 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 class contains all information the name-node needs to identify and verify a data-node when it contacts the name-node.An inter-datanode protocol for updating generation stampNamespaceInfo is returned by the name-node in reply to a data-node handshake.Replica recovery information.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.server.datanode.fsdatasetClassDescriptionThis is a block with locations from which it should be recovered and the new generation stamp, which the block will have after successful recovery.NamespaceInfo is returned by the name-node in reply to a data-node handshake.Replica recovery information.Summarizes information about data volume failures on a DataNode.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.server.namenodeClassDescriptionThe context of the block report.Maintains an array of blocks and their corresponding storage IDs.Base class for data-node command.Protocol used by a DataNode to send lifeline messages to a NameNode.Protocol that a DFS datanode uses to communicate with the NameNode.DatanodeRegistration class contains all information the name-node needs to identify and verify a data-node when it contacts the name-node.Base class for name-node command.Protocol that a secondary NameNode uses to communicate with the NameNode.The full set of RPC methods implemented by the Namenode.Information sent by a subordinate name-node to the active name-node during the registration process.NamespaceInfo is returned by the name-node in reply to a data-node handshake.An enumeration of logs available on a remote NameNode.Block report for a Datanode storageReport of block received and deleted per Datanode storage.Summarizes information about data volume failures on a DataNode.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.server.namenode.haClassDescriptionProtocol that a secondary NameNode uses to communicate with the NameNode.NamespaceInfo is returned by the name-node in reply to a data-node handshake.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.server.namenode.spsClassDescriptionStores block to storage info that can be used for block movement.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.server.protocolClassDescriptionBlock and targets pairThis is a block with locations from which it should be recovered and the new generation stamp, which the block will have after successful recovery.The context of the block report.Stores block to storage info that can be used for block movement.Maintains an array of blocks and their corresponding storage IDs.A class to keep track of a block and its locationsBase class for data-node command.Protocol used by a DataNode to send lifeline messages to a NameNode.Protocol that a DFS datanode uses to communicate with the NameNode.DatanodeRegistration class contains all information the name-node needs to identify and verify a data-node when it contacts the name-node.A DropSPSWorkCommand is an instruction to a datanode to drop the SPSWorker's pending block storage movement queues.Response to a journal fence request.Information that describes a journalBase class for name-node command.Protocol that a secondary NameNode uses to communicate with the NameNode.Information sent by a subordinate name-node to the active name-node during the registration process.NamespaceInfo is returned by the name-node in reply to a data-node handshake.Generic class specifying information, which need to be sent to the name-node during the registration process.A data structure to store the blocks in an incremental block report.An enumeration of logs available on a remote NameNode.Replica recovery information.Base class for a server command.Block report for a Datanode storageReport of block received and deleted per Datanode storage.Summarizes information about data volume failures on a DataNode.
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Classes in org.apache.hadoop.hdfs.server.protocol used by org.apache.hadoop.hdfs.server.spsClassDescriptionStores block to storage info that can be used for block movement.