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

Interface NamenodeProtocols

All Superinterfaces:

org.apache.hadoop.hdfs.protocol.ClientProtocol, DatanodeLifelineProtocol, DatanodeProtocol, org.apache.hadoop.ipc.GenericRefreshProtocol, org.apache.hadoop.tools.GetUserMappingsProtocol, org.apache.hadoop.ha.HAServiceProtocol, NamenodeProtocol, org.apache.hadoop.hdfs.protocol.ReconfigurationProtocol, org.apache.hadoop.security.authorize.RefreshAuthorizationPolicyProtocol, org.apache.hadoop.ipc.RefreshCallQueueProtocol, org.apache.hadoop.security.RefreshUserMappingsProtocol

All Known Implementing Classes:

NameNodeRpcServer

@Private
public interface NamenodeProtocols
extends org.apache.hadoop.hdfs.protocol.ClientProtocol, DatanodeProtocol, DatanodeLifelineProtocol, NamenodeProtocol, org.apache.hadoop.security.authorize.RefreshAuthorizationPolicyProtocol, org.apache.hadoop.hdfs.protocol.ReconfigurationProtocol, org.apache.hadoop.security.RefreshUserMappingsProtocol, org.apache.hadoop.ipc.RefreshCallQueueProtocol, org.apache.hadoop.ipc.GenericRefreshProtocol, org.apache.hadoop.tools.GetUserMappingsProtocol, org.apache.hadoop.ha.HAServiceProtocol

The full set of RPC methods implemented by the Namenode.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.ha.HAServiceProtocol

org.apache.hadoop.ha.HAServiceProtocol.HAServiceState, org.apache.hadoop.ha.HAServiceProtocol.RequestSource, org.apache.hadoop.ha.HAServiceProtocol.StateChangeRequestInfo

Field Summary

Fields inherited from interface org.apache.hadoop.hdfs.protocol.ClientProtocol

GET_STATS_BYTES_IN_FUTURE_BLOCKS_IDX, GET_STATS_CAPACITY_IDX, GET_STATS_CORRUPT_BLOCKS_IDX, GET_STATS_LOW_REDUNDANCY_IDX, GET_STATS_MISSING_BLOCKS_IDX, GET_STATS_MISSING_REPL_ONE_BLOCKS_IDX, GET_STATS_PENDING_DELETION_BLOCKS_IDX, GET_STATS_REMAINING_IDX, GET_STATS_UNDER_REPLICATED_IDX, GET_STATS_USED_IDX, STATS_ARRAY_LENGTH, versionID

Fields inherited from interface org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol

DISK_ERROR, DNA_ACCESSKEYUPDATE, DNA_BALANCERBANDWIDTHUPDATE, DNA_BLOCK_STORAGE_MOVEMENT, DNA_CACHE, DNA_DROP_SPS_WORK_COMMAND, DNA_ERASURE_CODING_RECONSTRUCTION, DNA_FINALIZE, DNA_INVALIDATE, DNA_RECOVERBLOCK, DNA_REGISTER, DNA_SHUTDOWN, DNA_TRANSFER, DNA_UNCACHE, DNA_UNKNOWN, FATAL_DISK_ERROR, INVALID_BLOCK, NOTIFY, versionID

Fields inherited from interface org.apache.hadoop.ipc.GenericRefreshProtocol

versionID

Fields inherited from interface org.apache.hadoop.tools.GetUserMappingsProtocol

versionID

Fields inherited from interface org.apache.hadoop.ha.HAServiceProtocol

versionID

Fields inherited from interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

ACT_CHECKPOINT, ACT_SHUTDOWN, ACT_UNKNOWN, FATAL, NOTIFY, versionID

Fields inherited from interface org.apache.hadoop.hdfs.protocol.ReconfigurationProtocol

VERSIONID

Fields inherited from interface org.apache.hadoop.security.authorize.RefreshAuthorizationPolicyProtocol

versionID

Fields inherited from interface org.apache.hadoop.ipc.RefreshCallQueueProtocol

versionID

Fields inherited from interface org.apache.hadoop.security.RefreshUserMappingsProtocol

versionID

Method Summary

Methods inherited from interface org.apache.hadoop.hdfs.protocol.ClientProtocol

abandonBlock, addBlock, addCacheDirective, addCachePool, addErasureCodingPolicies, allowSnapshot, append, cancelDelegationToken, checkAccess, complete, concat, create, createEncryptionZone, createSnapshot, createSymlink, delete, deleteSnapshot, disableErasureCodingPolicy, disallowSnapshot, enableErasureCodingPolicy, finalizeUpgrade, fsync, getAclStatus, getAdditionalDatanode, getBatchedListing, getBlockLocations, getContentSummary, getCurrentEditLogTxid, getDataEncryptionKey, getDatanodeReport, getDatanodeStorageReport, getDelegationToken, getECBlockGroupStats, getECTopologyResultForPolicies, getEditsFromTxid, getEnclosingRoot, getErasureCodingCodecs, getErasureCodingPolicies, getErasureCodingPolicy, getEZForPath, getFileInfo, getFileLinkInfo, getHAServiceState, getLinkTarget, getListing, getLocatedFileInfo, getPreferredBlockSize, getQuotaUsage, getReplicatedBlockStats, getServerDefaults, getSlowDatanodeReport, getSnapshotDiffReport, getSnapshotDiffReportListing, getSnapshotListing, getSnapshottableDirListing, getStats, getStoragePolicies, getStoragePolicy, getXAttrs, isFileClosed, listCacheDirectives, listCachePools, listCorruptFileBlocks, listEncryptionZones, listOpenFiles, listOpenFiles, listReencryptionStatus, listXAttrs, metaSave, mkdirs, modifyAclEntries, modifyCacheDirective, modifyCachePool, msync, recoverLease, reencryptEncryptionZone, refreshNodes, removeAcl, removeAclEntries, removeCacheDirective, removeCachePool, removeDefaultAcl, removeErasureCodingPolicy, removeXAttr, rename, rename2, renameSnapshot, renewDelegationToken, renewLease, reportBadBlocks, restoreFailedStorage, rollEdits, rollingUpgrade, satisfyStoragePolicy, saveNamespace, setAcl, setBalancerBandwidth, setErasureCodingPolicy, setOwner, setPermission, setQuota, setReplication, setSafeMode, setStoragePolicy, setTimes, setXAttr, truncate, unsetErasureCodingPolicy, unsetStoragePolicy, updateBlockForPipeline, updatePipeline, upgradeStatus

Methods inherited from interface org.apache.hadoop.hdfs.server.protocol.DatanodeLifelineProtocol

sendLifeline

Methods inherited from interface org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol

blockReceivedAndDeleted, blockReport, cacheReport, commitBlockSynchronization, errorReport, registerDatanode, reportBadBlocks, sendHeartbeat, versionRequest

Methods inherited from interface org.apache.hadoop.ipc.GenericRefreshProtocol

refresh

Methods inherited from interface org.apache.hadoop.tools.GetUserMappingsProtocol

getGroupsForUser

Methods inherited from interface org.apache.hadoop.ha.HAServiceProtocol

getServiceStatus, monitorHealth, transitionToActive, transitionToObserver, transitionToStandby

Methods inherited from interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

endCheckpoint, errorReport, getBlockKeys, getBlocks, getEditLogManifest, getMostRecentCheckpointTxId, getNextSPSPath, getTransactionID, isRollingUpgrade, isUpgradeFinalized, registerSubordinateNamenode, rollEditLog, startCheckpoint, versionRequest

Methods inherited from interface org.apache.hadoop.hdfs.protocol.ReconfigurationProtocol

getReconfigurationStatus, listReconfigurableProperties, startReconfiguration

Methods inherited from interface org.apache.hadoop.security.authorize.RefreshAuthorizationPolicyProtocol

refreshServiceAcl

Methods inherited from interface org.apache.hadoop.ipc.RefreshCallQueueProtocol

refreshCallQueue

Methods inherited from interface org.apache.hadoop.security.RefreshUserMappingsProtocol

refreshSuperUserGroupsConfiguration, refreshUserToGroupsMappings