Package org.apache.hadoop.hdfs.server.federation.router

Class RouterClientProtocol

java.lang.Object

org.apache.hadoop.hdfs.server.federation.router.RouterClientProtocol

All Implemented Interfaces:

org.apache.hadoop.hdfs.protocol.ClientProtocol

public class RouterClientProtocol
extends java.lang.Object
implements org.apache.hadoop.hdfs.protocol.ClientProtocol

Module that implements all the RPC calls in ClientProtocol in the RouterRpcServer.

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

Method Summary

Modifier and Type	Method	Description
void	abandonBlock(org.apache.hadoop.hdfs.protocol.ExtendedBlock b, long fileId, java.lang.String src, java.lang.String holder)
org.apache.hadoop.hdfs.protocol.LocatedBlock	addBlock(java.lang.String src, java.lang.String clientName, org.apache.hadoop.hdfs.protocol.ExtendedBlock previous, org.apache.hadoop.hdfs.protocol.DatanodeInfo[] excludedNodes, long fileId, java.lang.String[] favoredNodes, java.util.EnumSet<org.apache.hadoop.hdfs.AddBlockFlag> addBlockFlags)	Excluded and favored nodes are not verified and will be ignored by placement policy if they are not in the same nameservice as the file.
long	addCacheDirective(org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo path, java.util.EnumSet<org.apache.hadoop.fs.CacheFlag> flags)
void	addCachePool(org.apache.hadoop.hdfs.protocol.CachePoolInfo info)
org.apache.hadoop.hdfs.protocol.AddErasureCodingPolicyResponse[]	addErasureCodingPolicies(org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy[] policies)
void	allowSnapshot(java.lang.String snapshotRoot)
org.apache.hadoop.hdfs.protocol.LastBlockWithStatus	append(java.lang.String src, java.lang.String clientName, org.apache.hadoop.io.EnumSetWritable<org.apache.hadoop.fs.CreateFlag> flag)
void	cancelDelegationToken(org.apache.hadoop.security.token.Token<org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier> token)
void	checkAccess(java.lang.String path, org.apache.hadoop.fs.permission.FsAction mode)
boolean	complete(java.lang.String src, java.lang.String clientName, org.apache.hadoop.hdfs.protocol.ExtendedBlock last, long fileId)
void	concat(java.lang.String trg, java.lang.String[] src)
org.apache.hadoop.hdfs.protocol.HdfsFileStatus	create(java.lang.String src, org.apache.hadoop.fs.permission.FsPermission masked, java.lang.String clientName, org.apache.hadoop.io.EnumSetWritable<org.apache.hadoop.fs.CreateFlag> flag, boolean createParent, short replication, long blockSize, org.apache.hadoop.crypto.CryptoProtocolVersion[] supportedVersions, java.lang.String ecPolicyName, java.lang.String storagePolicy)
void	createEncryptionZone(java.lang.String src, java.lang.String keyName)
java.lang.String	createSnapshot(java.lang.String snapshotRoot, java.lang.String snapshotName)
void	createSymlink(java.lang.String target, java.lang.String link, org.apache.hadoop.fs.permission.FsPermission dirPerms, boolean createParent)
boolean	delete(java.lang.String src, boolean recursive)
void	deleteSnapshot(java.lang.String snapshotRoot, java.lang.String snapshotName)
void	disableErasureCodingPolicy(java.lang.String ecPolicyName)
void	disallowSnapshot(java.lang.String snapshot)
void	enableErasureCodingPolicy(java.lang.String ecPolicyName)
void	finalizeUpgrade()
void	fsync(java.lang.String src, long fileId, java.lang.String clientName, long lastBlockLength)
org.apache.hadoop.fs.permission.AclStatus	getAclStatus(java.lang.String src)
org.apache.hadoop.hdfs.protocol.LocatedBlock	getAdditionalDatanode(java.lang.String src, long fileId, org.apache.hadoop.hdfs.protocol.ExtendedBlock blk, org.apache.hadoop.hdfs.protocol.DatanodeInfo[] existings, java.lang.String[] existingStorageIDs, org.apache.hadoop.hdfs.protocol.DatanodeInfo[] excludes, int numAdditionalNodes, java.lang.String clientName)	Excluded nodes are not verified and will be ignored by placement if they are not in the same nameservice as the file.
org.apache.hadoop.hdfs.protocol.BatchedDirectoryListing	getBatchedListing(java.lang.String[] srcs, byte[] startAfter, boolean needLocation)
org.apache.hadoop.hdfs.protocol.LocatedBlocks	getBlockLocations(java.lang.String src, long offset, long length)
org.apache.hadoop.fs.ContentSummary	getContentSummary(java.lang.String path)
long	getCurrentEditLogTxid()
org.apache.hadoop.hdfs.security.token.block.DataEncryptionKey	getDataEncryptionKey()
org.apache.hadoop.hdfs.protocol.DatanodeInfo[]	getDatanodeReport(org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType type)
org.apache.hadoop.hdfs.server.protocol.DatanodeStorageReport[]	getDatanodeStorageReport(org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType type)
org.apache.hadoop.hdfs.server.protocol.DatanodeStorageReport[]	getDatanodeStorageReport(org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType type, boolean requireResponse, long timeOutMs)
org.apache.hadoop.security.token.Token<org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier>	getDelegationToken(org.apache.hadoop.io.Text renewer)
java.util.Map<FederationNamespaceInfo,org.apache.hadoop.security.token.Token<org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier>>	getDelegationTokens(org.apache.hadoop.io.Text renewer)	The the delegation token from each name service.
org.apache.hadoop.hdfs.protocol.ECBlockGroupStats	getECBlockGroupStats()
org.apache.hadoop.hdfs.protocol.ECTopologyVerifierResult	getECTopologyResultForPolicies(java.lang.String... policyNames)
org.apache.hadoop.hdfs.inotify.EventBatchList	getEditsFromTxid(long txid)
org.apache.hadoop.fs.Path	getEnclosingRoot(java.lang.String src)
java.util.Map<java.lang.String,java.lang.String>	getErasureCodingCodecs()
org.apache.hadoop.hdfs.protocol.ErasureCodingPolicyInfo[]	getErasureCodingPolicies()
org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy	getErasureCodingPolicy(java.lang.String src)
org.apache.hadoop.hdfs.protocol.EncryptionZone	getEZForPath(java.lang.String src)
org.apache.hadoop.hdfs.protocol.HdfsFileStatus	getFileInfo(java.lang.String src)
org.apache.hadoop.hdfs.protocol.HdfsFileStatus	getFileLinkInfo(java.lang.String src)
org.apache.hadoop.ha.HAServiceProtocol.HAServiceState	getHAServiceState()
java.lang.String	getLinkTarget(java.lang.String path)
org.apache.hadoop.hdfs.protocol.DirectoryListing	getListing(java.lang.String src, byte[] startAfter, boolean needLocation)
org.apache.hadoop.hdfs.protocol.HdfsLocatedFileStatus	getLocatedFileInfo(java.lang.String src, boolean needBlockToken)
long	getPreferredBlockSize(java.lang.String src)
org.apache.hadoop.fs.QuotaUsage	getQuotaUsage(java.lang.String path)
org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats	getReplicatedBlockStats()
int	getRouterFederationRenameCount()
org.apache.hadoop.fs.FsServerDefaults	getServerDefaults()
org.apache.hadoop.hdfs.protocol.DatanodeInfo[]	getSlowDatanodeReport()
org.apache.hadoop.hdfs.protocol.SnapshotDiffReport	getSnapshotDiffReport(java.lang.String snapshotRoot, java.lang.String earlierSnapshotName, java.lang.String laterSnapshotName)
org.apache.hadoop.hdfs.protocol.SnapshotDiffReportListing	getSnapshotDiffReportListing(java.lang.String snapshotRoot, java.lang.String earlierSnapshotName, java.lang.String laterSnapshotName, byte[] startPath, int index)
org.apache.hadoop.hdfs.protocol.SnapshotStatus[]	getSnapshotListing(java.lang.String snapshotRoot)
org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus[]	getSnapshottableDirListing()
long[]	getStats()
org.apache.hadoop.hdfs.protocol.BlockStoragePolicy[]	getStoragePolicies()
org.apache.hadoop.hdfs.protocol.BlockStoragePolicy	getStoragePolicy(java.lang.String path)
java.util.List<org.apache.hadoop.fs.XAttr>	getXAttrs(java.lang.String src, java.util.List<org.apache.hadoop.fs.XAttr> xAttrs)
boolean	isFileClosed(java.lang.String src)
protected static boolean	isUnavailableSubclusterException(java.io.IOException ioe)	Check if an exception is caused by an unavailable subcluster or not.
org.apache.hadoop.fs.BatchedRemoteIterator.BatchedEntries<org.apache.hadoop.hdfs.protocol.CacheDirectiveEntry>	listCacheDirectives(long prevId, org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo filter)
org.apache.hadoop.fs.BatchedRemoteIterator.BatchedEntries<org.apache.hadoop.hdfs.protocol.CachePoolEntry>	listCachePools(java.lang.String prevKey)
org.apache.hadoop.hdfs.protocol.CorruptFileBlocks	listCorruptFileBlocks(java.lang.String path, java.lang.String cookie)
org.apache.hadoop.fs.BatchedRemoteIterator.BatchedEntries<org.apache.hadoop.hdfs.protocol.EncryptionZone>	listEncryptionZones(long prevId)
org.apache.hadoop.fs.BatchedRemoteIterator.BatchedEntries<org.apache.hadoop.hdfs.protocol.OpenFileEntry>	listOpenFiles(long prevId)	Deprecated.
org.apache.hadoop.fs.BatchedRemoteIterator.BatchedEntries<org.apache.hadoop.hdfs.protocol.OpenFileEntry>	listOpenFiles(long prevId, java.util.EnumSet<org.apache.hadoop.hdfs.protocol.OpenFilesIterator.OpenFilesType> openFilesTypes, java.lang.String path)
org.apache.hadoop.fs.BatchedRemoteIterator.BatchedEntries<org.apache.hadoop.hdfs.protocol.ZoneReencryptionStatus>	listReencryptionStatus(long prevId)
java.util.List<org.apache.hadoop.fs.XAttr>	listXAttrs(java.lang.String src)
void	metaSave(java.lang.String filename)
boolean	mkdirs(java.lang.String src, org.apache.hadoop.fs.permission.FsPermission masked, boolean createParent)
void	modifyAclEntries(java.lang.String src, java.util.List<org.apache.hadoop.fs.permission.AclEntry> aclSpec)
void	modifyCacheDirective(org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo directive, java.util.EnumSet<org.apache.hadoop.fs.CacheFlag> flags)
void	modifyCachePool(org.apache.hadoop.hdfs.protocol.CachePoolInfo info)
void	msync()
boolean	recoverLease(java.lang.String src, java.lang.String clientName)
void	reencryptEncryptionZone(java.lang.String zone, org.apache.hadoop.hdfs.protocol.HdfsConstants.ReencryptAction action)
void	refreshNodes()
void	removeAcl(java.lang.String src)
void	removeAclEntries(java.lang.String src, java.util.List<org.apache.hadoop.fs.permission.AclEntry> aclSpec)
void	removeCacheDirective(long id)
void	removeCachePool(java.lang.String cachePoolName)
void	removeDefaultAcl(java.lang.String src)
void	removeErasureCodingPolicy(java.lang.String ecPolicyName)
void	removeXAttr(java.lang.String src, org.apache.hadoop.fs.XAttr xAttr)
boolean	rename(java.lang.String src, java.lang.String dst)	Deprecated.
void	rename2(java.lang.String src, java.lang.String dst, org.apache.hadoop.fs.Options.Rename... options)
void	renameSnapshot(java.lang.String snapshotRoot, java.lang.String snapshotOldName, java.lang.String snapshotNewName)
long	renewDelegationToken(org.apache.hadoop.security.token.Token<org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier> token)
void	renewLease(java.lang.String clientName, java.util.List<java.lang.String> namespaces)
void	reportBadBlocks(org.apache.hadoop.hdfs.protocol.LocatedBlock[] blocks)
boolean	restoreFailedStorage(java.lang.String arg)
long	rollEdits()
org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo	rollingUpgrade(org.apache.hadoop.hdfs.protocol.HdfsConstants.RollingUpgradeAction action)
void	satisfyStoragePolicy(java.lang.String path)
boolean	saveNamespace(long timeWindow, long txGap)
void	setAcl(java.lang.String src, java.util.List<org.apache.hadoop.fs.permission.AclEntry> aclSpec)
void	setBalancerBandwidth(long bandwidth)
void	setErasureCodingPolicy(java.lang.String src, java.lang.String ecPolicyName)
void	setOwner(java.lang.String src, java.lang.String username, java.lang.String groupname)
void	setPermission(java.lang.String src, org.apache.hadoop.fs.permission.FsPermission permissions)
void	setQuota(java.lang.String path, long namespaceQuota, long storagespaceQuota, org.apache.hadoop.fs.StorageType type)
boolean	setReplication(java.lang.String src, short replication)
boolean	setSafeMode(org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction action, boolean isChecked)
void	setStoragePolicy(java.lang.String src, java.lang.String policyName)
void	setTimes(java.lang.String src, long mtime, long atime)
void	setXAttr(java.lang.String src, org.apache.hadoop.fs.XAttr xAttr, java.util.EnumSet<org.apache.hadoop.fs.XAttrSetFlag> flag)
boolean	truncate(java.lang.String src, long newLength, java.lang.String clientName)
void	unsetErasureCodingPolicy(java.lang.String src)
void	unsetStoragePolicy(java.lang.String src)
org.apache.hadoop.hdfs.protocol.LocatedBlock	updateBlockForPipeline(org.apache.hadoop.hdfs.protocol.ExtendedBlock block, java.lang.String clientName)
void	updatePipeline(java.lang.String clientName, org.apache.hadoop.hdfs.protocol.ExtendedBlock oldBlock, org.apache.hadoop.hdfs.protocol.ExtendedBlock newBlock, org.apache.hadoop.hdfs.protocol.DatanodeID[] newNodes, java.lang.String[] newStorageIDs)	Datanode are not verified to be in the same nameservice as the old block.
boolean	upgradeStatus()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getDelegationToken

public org.apache.hadoop.security.token.Token<org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier> getDelegationToken(org.apache.hadoop.io.Text renewer)
                                                                                                                                      throws java.io.IOException

Specified by:

getDelegationToken in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getDelegationTokens

public java.util.Map<FederationNamespaceInfo,org.apache.hadoop.security.token.Token<org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier>> getDelegationTokens(org.apache.hadoop.io.Text renewer)
                                                                                                                                                                                    throws java.io.IOException

The the delegation token from each name service.

Parameters:

renewer - The token renewer.

Returns:

Name service to Token.

Throws:

java.io.IOException - If it cannot get the delegation token.

renewDelegationToken

public long renewDelegationToken(org.apache.hadoop.security.token.Token<org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier> token)
                          throws java.io.IOException

Specified by:

renewDelegationToken in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

cancelDelegationToken

public void cancelDelegationToken(org.apache.hadoop.security.token.Token<org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier> token)
                           throws java.io.IOException

Specified by:

cancelDelegationToken in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getBlockLocations

public org.apache.hadoop.hdfs.protocol.LocatedBlocks getBlockLocations(java.lang.String src,
                                                                       long offset,
                                                                       long length)
                                                                throws java.io.IOException

Specified by:

getBlockLocations in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getServerDefaults

public org.apache.hadoop.fs.FsServerDefaults getServerDefaults()
                                                        throws java.io.IOException

Specified by:

getServerDefaults in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

create

public org.apache.hadoop.hdfs.protocol.HdfsFileStatus create(java.lang.String src,
                                                             org.apache.hadoop.fs.permission.FsPermission masked,
                                                             java.lang.String clientName,
                                                             org.apache.hadoop.io.EnumSetWritable<org.apache.hadoop.fs.CreateFlag> flag,
                                                             boolean createParent,
                                                             short replication,
                                                             long blockSize,
                                                             org.apache.hadoop.crypto.CryptoProtocolVersion[] supportedVersions,
                                                             java.lang.String ecPolicyName,
                                                             java.lang.String storagePolicy)
                                                      throws java.io.IOException

Specified by:

create in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

isUnavailableSubclusterException

protected static boolean isUnavailableSubclusterException(java.io.IOException ioe)

Check if an exception is caused by an unavailable subcluster or not. It also checks the causes.

Parameters:

ioe - IOException to check.

Returns:

If caused by an unavailable subcluster. False if they should not be retried (e.g., NSQuotaExceededException).

append

public org.apache.hadoop.hdfs.protocol.LastBlockWithStatus append(java.lang.String src,
                                                                  java.lang.String clientName,
                                                                  org.apache.hadoop.io.EnumSetWritable<org.apache.hadoop.fs.CreateFlag> flag)
                                                           throws java.io.IOException

Specified by:

append in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

recoverLease

public boolean recoverLease(java.lang.String src,
                            java.lang.String clientName)
                     throws java.io.IOException

Specified by:

recoverLease in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

setReplication

public boolean setReplication(java.lang.String src,
                              short replication)
                       throws java.io.IOException

Specified by:

setReplication in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

setStoragePolicy

public void setStoragePolicy(java.lang.String src,
                             java.lang.String policyName)
                      throws java.io.IOException

Specified by:

setStoragePolicy in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getStoragePolicies

public org.apache.hadoop.hdfs.protocol.BlockStoragePolicy[] getStoragePolicies()
                                                                        throws java.io.IOException

Specified by:

getStoragePolicies in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

setPermission

public void setPermission(java.lang.String src,
                          org.apache.hadoop.fs.permission.FsPermission permissions)
                   throws java.io.IOException

Specified by:

setPermission in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

setOwner

public void setOwner(java.lang.String src,
                     java.lang.String username,
                     java.lang.String groupname)
              throws java.io.IOException

Specified by:

setOwner in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

addBlock

public org.apache.hadoop.hdfs.protocol.LocatedBlock addBlock(java.lang.String src,
                                                             java.lang.String clientName,
                                                             org.apache.hadoop.hdfs.protocol.ExtendedBlock previous,
                                                             org.apache.hadoop.hdfs.protocol.DatanodeInfo[] excludedNodes,
                                                             long fileId,
                                                             java.lang.String[] favoredNodes,
                                                             java.util.EnumSet<org.apache.hadoop.hdfs.AddBlockFlag> addBlockFlags)
                                                      throws java.io.IOException

Excluded and favored nodes are not verified and will be ignored by placement policy if they are not in the same nameservice as the file.

Specified by:

addBlock in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getAdditionalDatanode

public org.apache.hadoop.hdfs.protocol.LocatedBlock getAdditionalDatanode(java.lang.String src,
                                                                          long fileId,
                                                                          org.apache.hadoop.hdfs.protocol.ExtendedBlock blk,
                                                                          org.apache.hadoop.hdfs.protocol.DatanodeInfo[] existings,
                                                                          java.lang.String[] existingStorageIDs,
                                                                          org.apache.hadoop.hdfs.protocol.DatanodeInfo[] excludes,
                                                                          int numAdditionalNodes,
                                                                          java.lang.String clientName)
                                                                   throws java.io.IOException

Excluded nodes are not verified and will be ignored by placement if they are not in the same nameservice as the file.

Specified by:

getAdditionalDatanode in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

abandonBlock

public void abandonBlock(org.apache.hadoop.hdfs.protocol.ExtendedBlock b,
                         long fileId,
                         java.lang.String src,
                         java.lang.String holder)
                  throws java.io.IOException

Specified by:

abandonBlock in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

complete

public boolean complete(java.lang.String src,
                        java.lang.String clientName,
                        org.apache.hadoop.hdfs.protocol.ExtendedBlock last,
                        long fileId)
                 throws java.io.IOException

Specified by:

complete in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

updateBlockForPipeline

public org.apache.hadoop.hdfs.protocol.LocatedBlock updateBlockForPipeline(org.apache.hadoop.hdfs.protocol.ExtendedBlock block,
                                                                           java.lang.String clientName)
                                                                    throws java.io.IOException

Specified by:

updateBlockForPipeline in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

updatePipeline

public void updatePipeline(java.lang.String clientName,
                           org.apache.hadoop.hdfs.protocol.ExtendedBlock oldBlock,
                           org.apache.hadoop.hdfs.protocol.ExtendedBlock newBlock,
                           org.apache.hadoop.hdfs.protocol.DatanodeID[] newNodes,
                           java.lang.String[] newStorageIDs)
                    throws java.io.IOException

Datanode are not verified to be in the same nameservice as the old block. TODO This may require validation.

Specified by:

updatePipeline in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getPreferredBlockSize

public long getPreferredBlockSize(java.lang.String src)
                           throws java.io.IOException

Specified by:

getPreferredBlockSize in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

rename

@Deprecated
public boolean rename(java.lang.String src,
                      java.lang.String dst)
               throws java.io.IOException

Deprecated.

Specified by:

rename in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

rename2

public void rename2(java.lang.String src,
                    java.lang.String dst,
                    org.apache.hadoop.fs.Options.Rename... options)
             throws java.io.IOException

Specified by:

rename2 in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

concat

public void concat(java.lang.String trg,
                   java.lang.String[] src)
            throws java.io.IOException

Specified by:

concat in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

truncate

public boolean truncate(java.lang.String src,
                        long newLength,
                        java.lang.String clientName)
                 throws java.io.IOException

Specified by:

truncate in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

delete

public boolean delete(java.lang.String src,
                      boolean recursive)
               throws java.io.IOException

Specified by:

delete in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

mkdirs

public boolean mkdirs(java.lang.String src,
                      org.apache.hadoop.fs.permission.FsPermission masked,
                      boolean createParent)
               throws java.io.IOException

Specified by:

mkdirs in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

renewLease

public void renewLease(java.lang.String clientName,
                       java.util.List<java.lang.String> namespaces)
                throws java.io.IOException

Specified by:

renewLease in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getListing

public org.apache.hadoop.hdfs.protocol.DirectoryListing getListing(java.lang.String src,
                                                                   byte[] startAfter,
                                                                   boolean needLocation)
                                                            throws java.io.IOException

Specified by:

getListing in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getBatchedListing

public org.apache.hadoop.hdfs.protocol.BatchedDirectoryListing getBatchedListing(java.lang.String[] srcs,
                                                                                 byte[] startAfter,
                                                                                 boolean needLocation)
                                                                          throws java.io.IOException

Specified by:

getBatchedListing in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getFileInfo

public org.apache.hadoop.hdfs.protocol.HdfsFileStatus getFileInfo(java.lang.String src)
                                                           throws java.io.IOException

Specified by:

getFileInfo in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

isFileClosed

public boolean isFileClosed(java.lang.String src)
                     throws java.io.IOException

Specified by:

isFileClosed in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getFileLinkInfo

public org.apache.hadoop.hdfs.protocol.HdfsFileStatus getFileLinkInfo(java.lang.String src)
                                                               throws java.io.IOException

Specified by:

getFileLinkInfo in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getLocatedFileInfo

public org.apache.hadoop.hdfs.protocol.HdfsLocatedFileStatus getLocatedFileInfo(java.lang.String src,
                                                                                boolean needBlockToken)
                                                                         throws java.io.IOException

Specified by:

getLocatedFileInfo in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getStats

public long[] getStats()
                throws java.io.IOException

Specified by:

getStats in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getDatanodeReport

public org.apache.hadoop.hdfs.protocol.DatanodeInfo[] getDatanodeReport(org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType type)
                                                                 throws java.io.IOException

Specified by:

getDatanodeReport in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getDatanodeStorageReport

public org.apache.hadoop.hdfs.server.protocol.DatanodeStorageReport[] getDatanodeStorageReport(org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType type)
                                                                                        throws java.io.IOException

Specified by:

getDatanodeStorageReport in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getDatanodeStorageReport

public org.apache.hadoop.hdfs.server.protocol.DatanodeStorageReport[] getDatanodeStorageReport(org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType type,
                                                                                               boolean requireResponse,
                                                                                               long timeOutMs)
                                                                                        throws java.io.IOException

Throws:

java.io.IOException

setSafeMode

public boolean setSafeMode(org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction action,
                           boolean isChecked)
                    throws java.io.IOException

Specified by:

setSafeMode in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

restoreFailedStorage

public boolean restoreFailedStorage(java.lang.String arg)
                             throws java.io.IOException

Specified by:

restoreFailedStorage in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

saveNamespace

public boolean saveNamespace(long timeWindow,
                             long txGap)
                      throws java.io.IOException

Specified by:

saveNamespace in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

rollEdits

public long rollEdits()
               throws java.io.IOException

Specified by:

rollEdits in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

refreshNodes

public void refreshNodes()
                  throws java.io.IOException

Specified by:

refreshNodes in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

finalizeUpgrade

public void finalizeUpgrade()
                     throws java.io.IOException

Specified by:

finalizeUpgrade in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

upgradeStatus

public boolean upgradeStatus()
                      throws java.io.IOException

Specified by:

upgradeStatus in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

rollingUpgrade

public org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo rollingUpgrade(org.apache.hadoop.hdfs.protocol.HdfsConstants.RollingUpgradeAction action)
                                                                  throws java.io.IOException

Specified by:

rollingUpgrade in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

metaSave

public void metaSave(java.lang.String filename)
              throws java.io.IOException

Specified by:

metaSave in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

listCorruptFileBlocks

public org.apache.hadoop.hdfs.protocol.CorruptFileBlocks listCorruptFileBlocks(java.lang.String path,
                                                                               java.lang.String cookie)
                                                                        throws java.io.IOException

Specified by:

listCorruptFileBlocks in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

setBalancerBandwidth

public void setBalancerBandwidth(long bandwidth)
                          throws java.io.IOException

Specified by:

setBalancerBandwidth in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getContentSummary

public org.apache.hadoop.fs.ContentSummary getContentSummary(java.lang.String path)
                                                      throws java.io.IOException

Specified by:

getContentSummary in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

fsync

public void fsync(java.lang.String src,
                  long fileId,
                  java.lang.String clientName,
                  long lastBlockLength)
           throws java.io.IOException

Specified by:

fsync in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

setTimes

public void setTimes(java.lang.String src,
                     long mtime,
                     long atime)
              throws java.io.IOException

Specified by:

setTimes in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

createSymlink

public void createSymlink(java.lang.String target,
                          java.lang.String link,
                          org.apache.hadoop.fs.permission.FsPermission dirPerms,
                          boolean createParent)
                   throws java.io.IOException

Specified by:

createSymlink in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getLinkTarget

public java.lang.String getLinkTarget(java.lang.String path)
                               throws java.io.IOException

Specified by:

getLinkTarget in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

allowSnapshot

public void allowSnapshot(java.lang.String snapshotRoot)
                   throws java.io.IOException

Specified by:

allowSnapshot in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

disallowSnapshot

public void disallowSnapshot(java.lang.String snapshot)
                      throws java.io.IOException

Specified by:

disallowSnapshot in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

renameSnapshot

public void renameSnapshot(java.lang.String snapshotRoot,
                           java.lang.String snapshotOldName,
                           java.lang.String snapshotNewName)
                    throws java.io.IOException

Specified by:

renameSnapshot in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getSnapshottableDirListing

public org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus[] getSnapshottableDirListing()
                                                                                          throws java.io.IOException

Specified by:

getSnapshottableDirListing in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getSnapshotListing

public org.apache.hadoop.hdfs.protocol.SnapshotStatus[] getSnapshotListing(java.lang.String snapshotRoot)
                                                                    throws java.io.IOException

Specified by:

getSnapshotListing in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getSnapshotDiffReport

public org.apache.hadoop.hdfs.protocol.SnapshotDiffReport getSnapshotDiffReport(java.lang.String snapshotRoot,
                                                                                java.lang.String earlierSnapshotName,
                                                                                java.lang.String laterSnapshotName)
                                                                         throws java.io.IOException

Specified by:

getSnapshotDiffReport in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getSnapshotDiffReportListing

public org.apache.hadoop.hdfs.protocol.SnapshotDiffReportListing getSnapshotDiffReportListing(java.lang.String snapshotRoot,
                                                                                              java.lang.String earlierSnapshotName,
                                                                                              java.lang.String laterSnapshotName,
                                                                                              byte[] startPath,
                                                                                              int index)
                                                                                       throws java.io.IOException

Specified by:

getSnapshotDiffReportListing in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

addCacheDirective

public long addCacheDirective(org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo path,
                              java.util.EnumSet<org.apache.hadoop.fs.CacheFlag> flags)
                       throws java.io.IOException

Specified by:

addCacheDirective in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

modifyCacheDirective

public void modifyCacheDirective(org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo directive,
                                 java.util.EnumSet<org.apache.hadoop.fs.CacheFlag> flags)
                          throws java.io.IOException

Specified by:

modifyCacheDirective in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

removeCacheDirective

public void removeCacheDirective(long id)
                          throws java.io.IOException

Specified by:

removeCacheDirective in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

listCacheDirectives

public org.apache.hadoop.fs.BatchedRemoteIterator.BatchedEntries<org.apache.hadoop.hdfs.protocol.CacheDirectiveEntry> listCacheDirectives(long prevId,
                                                                                                                                          org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo filter)
                                                                                                                                   throws java.io.IOException

Specified by:

listCacheDirectives in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

addCachePool

public void addCachePool(org.apache.hadoop.hdfs.protocol.CachePoolInfo info)
                  throws java.io.IOException

Specified by:

addCachePool in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

modifyCachePool

public void modifyCachePool(org.apache.hadoop.hdfs.protocol.CachePoolInfo info)
                     throws java.io.IOException

Specified by:

modifyCachePool in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

removeCachePool

public void removeCachePool(java.lang.String cachePoolName)
                     throws java.io.IOException

Specified by:

removeCachePool in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

listCachePools

public org.apache.hadoop.fs.BatchedRemoteIterator.BatchedEntries<org.apache.hadoop.hdfs.protocol.CachePoolEntry> listCachePools(java.lang.String prevKey)
                                                                                                                         throws java.io.IOException

Specified by:

listCachePools in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

modifyAclEntries

public void modifyAclEntries(java.lang.String src,
                             java.util.List<org.apache.hadoop.fs.permission.AclEntry> aclSpec)
                      throws java.io.IOException

Specified by:

modifyAclEntries in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

removeAclEntries

public void removeAclEntries(java.lang.String src,
                             java.util.List<org.apache.hadoop.fs.permission.AclEntry> aclSpec)
                      throws java.io.IOException

Specified by:

removeAclEntries in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

removeDefaultAcl

public void removeDefaultAcl(java.lang.String src)
                      throws java.io.IOException

Specified by:

removeDefaultAcl in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

removeAcl

public void removeAcl(java.lang.String src)
               throws java.io.IOException

Specified by:

removeAcl in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

setAcl

public void setAcl(java.lang.String src,
                   java.util.List<org.apache.hadoop.fs.permission.AclEntry> aclSpec)
            throws java.io.IOException

Specified by:

setAcl in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getAclStatus

public org.apache.hadoop.fs.permission.AclStatus getAclStatus(java.lang.String src)
                                                       throws java.io.IOException

Specified by:

getAclStatus in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

createEncryptionZone

public void createEncryptionZone(java.lang.String src,
                                 java.lang.String keyName)
                          throws java.io.IOException

Specified by:

createEncryptionZone in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getEZForPath

public org.apache.hadoop.hdfs.protocol.EncryptionZone getEZForPath(java.lang.String src)
                                                            throws java.io.IOException

Specified by:

getEZForPath in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

listEncryptionZones

public org.apache.hadoop.fs.BatchedRemoteIterator.BatchedEntries<org.apache.hadoop.hdfs.protocol.EncryptionZone> listEncryptionZones(long prevId)
                                                                                                                              throws java.io.IOException

Specified by:

listEncryptionZones in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

reencryptEncryptionZone

public void reencryptEncryptionZone(java.lang.String zone,
                                    org.apache.hadoop.hdfs.protocol.HdfsConstants.ReencryptAction action)
                             throws java.io.IOException

Specified by:

reencryptEncryptionZone in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

listReencryptionStatus

public org.apache.hadoop.fs.BatchedRemoteIterator.BatchedEntries<org.apache.hadoop.hdfs.protocol.ZoneReencryptionStatus> listReencryptionStatus(long prevId)
                                                                                                                                         throws java.io.IOException

Specified by:

listReencryptionStatus in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

setXAttr

public void setXAttr(java.lang.String src,
                     org.apache.hadoop.fs.XAttr xAttr,
                     java.util.EnumSet<org.apache.hadoop.fs.XAttrSetFlag> flag)
              throws java.io.IOException

Specified by:

setXAttr in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getXAttrs

public java.util.List<org.apache.hadoop.fs.XAttr> getXAttrs(java.lang.String src,
                                                            java.util.List<org.apache.hadoop.fs.XAttr> xAttrs)
                                                     throws java.io.IOException

Specified by:

getXAttrs in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

listXAttrs

public java.util.List<org.apache.hadoop.fs.XAttr> listXAttrs(java.lang.String src)
                                                      throws java.io.IOException

Specified by:

listXAttrs in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

removeXAttr

public void removeXAttr(java.lang.String src,
                        org.apache.hadoop.fs.XAttr xAttr)
                 throws java.io.IOException

Specified by:

removeXAttr in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

checkAccess

public void checkAccess(java.lang.String path,
                        org.apache.hadoop.fs.permission.FsAction mode)
                 throws java.io.IOException

Specified by:

checkAccess in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getCurrentEditLogTxid

public long getCurrentEditLogTxid()
                           throws java.io.IOException

Specified by:

getCurrentEditLogTxid in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getEditsFromTxid

public org.apache.hadoop.hdfs.inotify.EventBatchList getEditsFromTxid(long txid)
                                                               throws java.io.IOException

Specified by:

getEditsFromTxid in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getDataEncryptionKey

public org.apache.hadoop.hdfs.security.token.block.DataEncryptionKey getDataEncryptionKey()
                                                                                   throws java.io.IOException

Specified by:

getDataEncryptionKey in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

createSnapshot

public java.lang.String createSnapshot(java.lang.String snapshotRoot,
                                       java.lang.String snapshotName)
                                throws java.io.IOException

Specified by:

createSnapshot in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

deleteSnapshot

public void deleteSnapshot(java.lang.String snapshotRoot,
                           java.lang.String snapshotName)
                    throws java.io.IOException

Specified by:

deleteSnapshot in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

setQuota

public void setQuota(java.lang.String path,
                     long namespaceQuota,
                     long storagespaceQuota,
                     org.apache.hadoop.fs.StorageType type)
              throws java.io.IOException

Specified by:

setQuota in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getQuotaUsage

public org.apache.hadoop.fs.QuotaUsage getQuotaUsage(java.lang.String path)
                                              throws java.io.IOException

Specified by:

getQuotaUsage in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

reportBadBlocks

public void reportBadBlocks(org.apache.hadoop.hdfs.protocol.LocatedBlock[] blocks)
                     throws java.io.IOException

Specified by:

reportBadBlocks in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

unsetStoragePolicy

public void unsetStoragePolicy(java.lang.String src)
                        throws java.io.IOException

Specified by:

unsetStoragePolicy in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getStoragePolicy

public org.apache.hadoop.hdfs.protocol.BlockStoragePolicy getStoragePolicy(java.lang.String path)
                                                                    throws java.io.IOException

Specified by:

getStoragePolicy in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getErasureCodingPolicies

public org.apache.hadoop.hdfs.protocol.ErasureCodingPolicyInfo[] getErasureCodingPolicies()
                                                                                   throws java.io.IOException

Specified by:

getErasureCodingPolicies in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getErasureCodingCodecs

public java.util.Map<java.lang.String,java.lang.String> getErasureCodingCodecs()
                                                                              throws java.io.IOException

Specified by:

getErasureCodingCodecs in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

addErasureCodingPolicies

public org.apache.hadoop.hdfs.protocol.AddErasureCodingPolicyResponse[] addErasureCodingPolicies(org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy[] policies)
                                                                                          throws java.io.IOException

Specified by:

addErasureCodingPolicies in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

removeErasureCodingPolicy

public void removeErasureCodingPolicy(java.lang.String ecPolicyName)
                               throws java.io.IOException

Specified by:

removeErasureCodingPolicy in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

disableErasureCodingPolicy

public void disableErasureCodingPolicy(java.lang.String ecPolicyName)
                                throws java.io.IOException

Specified by:

disableErasureCodingPolicy in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

enableErasureCodingPolicy

public void enableErasureCodingPolicy(java.lang.String ecPolicyName)
                               throws java.io.IOException

Specified by:

enableErasureCodingPolicy in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getErasureCodingPolicy

public org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy getErasureCodingPolicy(java.lang.String src)
                                                                           throws java.io.IOException

Specified by:

getErasureCodingPolicy in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

setErasureCodingPolicy

public void setErasureCodingPolicy(java.lang.String src,
                                   java.lang.String ecPolicyName)
                            throws java.io.IOException

Specified by:

setErasureCodingPolicy in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

unsetErasureCodingPolicy

public void unsetErasureCodingPolicy(java.lang.String src)
                              throws java.io.IOException

Specified by:

unsetErasureCodingPolicy in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getECTopologyResultForPolicies

public org.apache.hadoop.hdfs.protocol.ECTopologyVerifierResult getECTopologyResultForPolicies(java.lang.String... policyNames)
                                                                                        throws java.io.IOException

Specified by:

getECTopologyResultForPolicies in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getECBlockGroupStats

public org.apache.hadoop.hdfs.protocol.ECBlockGroupStats getECBlockGroupStats()
                                                                       throws java.io.IOException

Specified by:

getECBlockGroupStats in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getReplicatedBlockStats

public org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats getReplicatedBlockStats()
                                                                             throws java.io.IOException

Specified by:

getReplicatedBlockStats in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

listOpenFiles

@Deprecated
public org.apache.hadoop.fs.BatchedRemoteIterator.BatchedEntries<org.apache.hadoop.hdfs.protocol.OpenFileEntry> listOpenFiles(long prevId)
                                                                                                                       throws java.io.IOException

Deprecated.

Specified by:

listOpenFiles in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

listOpenFiles

public org.apache.hadoop.fs.BatchedRemoteIterator.BatchedEntries<org.apache.hadoop.hdfs.protocol.OpenFileEntry> listOpenFiles(long prevId,
                                                                                                                              java.util.EnumSet<org.apache.hadoop.hdfs.protocol.OpenFilesIterator.OpenFilesType> openFilesTypes,
                                                                                                                              java.lang.String path)
                                                                                                                       throws java.io.IOException

Specified by:

listOpenFiles in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

msync

public void msync()
           throws java.io.IOException

Specified by:

msync in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

satisfyStoragePolicy

public void satisfyStoragePolicy(java.lang.String path)
                          throws java.io.IOException

Specified by:

satisfyStoragePolicy in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getSlowDatanodeReport

public org.apache.hadoop.hdfs.protocol.DatanodeInfo[] getSlowDatanodeReport()
                                                                     throws java.io.IOException

Specified by:

getSlowDatanodeReport in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getEnclosingRoot

public org.apache.hadoop.fs.Path getEnclosingRoot(java.lang.String src)
                                           throws java.io.IOException

Specified by:

getEnclosingRoot in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

Throws:

java.io.IOException

getHAServiceState

public org.apache.hadoop.ha.HAServiceProtocol.HAServiceState getHAServiceState()

Specified by:

getHAServiceState in interface org.apache.hadoop.hdfs.protocol.ClientProtocol

getRouterFederationRenameCount

public int getRouterFederationRenameCount()