org.apache.hadoop.hbase.master

Class AlwaysStandByHMaster

java.lang.Object

java.lang.Thread

org.apache.hadoop.hbase.regionserver.HRegionServer

org.apache.hadoop.hbase.master.HMaster

org.apache.hadoop.hbase.master.AlwaysStandByHMaster

All Implemented Interfaces:

Runnable, org.apache.hadoop.hbase.Abortable, org.apache.hadoop.hbase.conf.ConfigurationObserver, org.apache.hadoop.hbase.master.MasterServices, org.apache.hadoop.hbase.regionserver.FavoredNodesForRegion, org.apache.hadoop.hbase.regionserver.LastSequenceId, org.apache.hadoop.hbase.regionserver.MutableOnlineRegions, org.apache.hadoop.hbase.regionserver.OnlineRegions, org.apache.hadoop.hbase.regionserver.RegionServerServices, org.apache.hadoop.hbase.Server, org.apache.hadoop.hbase.Stoppable

public class AlwaysStandByHMaster
extends org.apache.hadoop.hbase.master.HMaster

An implementation of HMaster that always runs as a stand by and never transitions to active.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	AlwaysStandByHMaster.AlwaysStandByMasterManager An implementation of ActiveMasterManager that never transitions it's master to active state.

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.master.HMaster

org.apache.hadoop.hbase.master.HMaster.TableDescriptorGetter

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.regionserver.RegionServerServices

org.apache.hadoop.hbase.regionserver.RegionServerServices.PostOpenDeployContext, org.apache.hadoop.hbase.regionserver.RegionServerServices.RegionStateTransitionContext

Field Summary

Fields inherited from class org.apache.hadoop.hbase.master.HMaster

catalogJanitorChore, coprocessorServiceHandlers, cpHost, DEFAULT_HBASE_MASTER_CLEANER_INTERVAL, DEFAULT_HBASE_MASTER_WAIT_ON_SERVICE_IN_SECONDS, HBASE_MASTER_CLEANER_INTERVAL, HBASE_MASTER_WAIT_ON_SERVICE_IN_SECONDS, loadBalancerTracker, MAINTENANCE_MODE, MASTER, masterAddressSyncer, metricsMaster, rsFatals, serviceStarted, snapshotCleanupTracker, snapshotManager

Fields inherited from class org.apache.hadoop.hbase.regionserver.HRegionServer

clusterConnection, clusterId, clusterStatusTracker, compactSplitThread, conf, configurationManager, executorService, infoServer, REGIONSERVER, rpcServices, serverName, sleeper, startcode, tableDescriptors, TEST_SKIP_REPORTING_TRANSITION, useThisHostnameInstead, zooKeeper

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
AlwaysStandByHMaster(org.apache.hadoop.conf.Configuration conf)

Method Summary

Modifier and Type	Method and Description
protected org.apache.hadoop.hbase.master.ActiveMasterManager	createActiveMasterManager(org.apache.hadoop.hbase.zookeeper.ZKWatcher zk, org.apache.hadoop.hbase.ServerName sn, org.apache.hadoop.hbase.Server server)

Methods inherited from class org.apache.hadoop.hbase.master.HMaster

abort, abortProcedure, addColumn, addReplicationPeer, balance, balance, balanceSwitch, cacheTableDescriptor, canCreateBaseZNode, canUpdateTableDescriptor, checkIfShouldMoveSystemRegionAsync, checkInitialized, checkServiceStarted, checkTableModifiable, configureInfoServer, constructMaster, createAssignmentManager, createNamespace, createRpcServices, createServerManager, createSystemTable, createTable, decommissionRegionServers, decorateMasterConfiguration, deleteColumn, deleteNamespace, deleteTable, disableReplicationPeer, disableTable, enableReplicationPeer, enableTable, executeRegionPlansWithThrottling, getActiveMaster, getAssignmentManager, getAverageLoad, getBackupMasters, getCatalogJanitor, getClientIdAuditPrefix, getClusterId, getClusterMetrics, getClusterMetrics, getClusterMetricsWithoutCoprocessor, getClusterMetricsWithoutCoprocessor, getClusterSchema, getCompactionState, getDumpServlet, getFavoredNodesManager, getHbckChore, getHFileCleaner, getInitializedEvent, getLastMajorCompactionTimestamp, getLastMajorCompactionTimestampForRegion, getLoadBalancer, getLoadBalancerClassName, getLoadedCoprocessors, getLockManager, getLocks, getLogCleaner, getMasterActiveTime, getMasterCoprocessorHost, getMasterCoprocessors, getMasterFileSystem, getMasterFinishedInitializationTime, getMasterMetrics, getMasterProcedureExecutor, getMasterProcedureManagerHost, getMasterQuotaManager, getMasterRpcServices, getMasterStartTime, getMasterWalManager, getMetaLocationSyncer, getMetaRegionLocationCache, getMobCompactionState, getNamespace, getNamespaces, getNumWALFiles, getProcedures, getProcedureStore, getProcessName, getQuotaObserverChore, getRegionNormalizerManager, getRegionServerFatalLogBuffer, getRegionServerInfoPort, getRegionServerVersion, getRemoteInetAddress, getReplicationLoad, getReplicationPeerConfig, getReplicationPeerManager, getServerManager, getServerName, getSnapshotManager, getSnapshotQuotaObserverChore, getSpaceQuotaSnapshotNotifier, getSplitOrMergeTracker, getSplitWALManager, getTableStateManager, getUseThisHostnameInstead, getWalGroupsReplicationStatus, getZooKeeper, initClusterSchemaService, initializeZKBasedSystemTrackers, isActiveMaster, isBalancerOn, isCatalogJanitorEnabled, isCleanerChoreEnabled, isInitialized, isInMaintenanceMode, isNormalizerOn, isSplitOrMergeEnabled, listDecommissionedRegionServers, listNamespaces, listReplicationPeers, listTableDescriptors, listTableDescriptorsByNamespace, listTableNames, listTableNamesByNamespace, login, main, mergeRegions, modifyColumn, modifyNamespace, modifyTable, move, normalizeRegions, recommissionRegionServer, registerService, remoteProcedureCompleted, remoteProcedureFailed, removeReplicationPeer, reopenRegions, reportMobCompactionEnd, reportMobCompactionStart, requestMobCompaction, restoreSnapshot, run, runReplicationBarrierCleaner, setCatalogJanitorEnabled, setInitialized, shutdown, skipRegionManagementAction, splitRegion, stop, stopMaster, stopServiceThreads, switchSnapshotCleanup, truncateTable, updateConfigurationForQuotasObserver, updateReplicationPeerConfig, waitForMasterActive, waitForMetaOnline, waitForNamespaceOnline

Methods inherited from class org.apache.hadoop.hbase.regionserver.HRegionServer

abort, addRegion, closeRegion, createClusterConnection, createConnection, createRegionLoad, createRegionServerStatusStub, finishRegionProcedure, getAccessChecker, getBlockCache, getChoreService, getClusterConnection, getCompactedHFilesDischarger, getCompactionPressure, getCompactionRequestor, getCompactSplitThread, getConfiguration, getConnection, getCoordinatedStateManager, getDataRootDir, getEventLoopGroupConfig, getExecutorService, getFavoredNodesForRegion, getFileSystem, getFlushPressure, getFlushRequester, getFlushThroughputController, getHeapMemoryManager, getInfoServer, getLastSequenceId, getLeaseManager, getMasterAddressTracker, getMetrics, getMobFileCache, getMovedRegion, getNamedQueueRecorder, getNonceManager, getNumberOfOnlineRegions, getOnlineRegion, getOnlineRegions, getOnlineRegionsLocalContext, getOnlineTables, getRegion, getRegion, getRegionByEncodedName, getRegions, getRegions, getRegionServerAccounting, getRegionServerCoprocessorHost, getRegionServerCoprocessors, getRegionServerRpcQuotaManager, getRegionServerSpaceQuotaManager, getRegionsInTransitionInRS, getReplicationSourceService, getRpcServer, getRSRpcServices, getSecureBulkLoadManager, getStartcode, getTableDescriptors, getWAL, getWALFileSystem, getWalRoller, getWALRootDir, getWALs, getZKPermissionWatcher, handleReportForDutyResponse, initializeMemStoreChunkCreator, isAborted, isClusterUp, isOnline, isShutDown, isStopped, isStopping, kill, movedRegionCacheExpiredTime, onConfigurationChange, postOpenDeployTasks, regionLock, remoteProcedureComplete, removeRegion, reportFileArchivalForQuotas, reportRegionSizesForQuotas, reportRegionStateTransition, setAbortRequested, setupClusterConnection, stop, toString, tryRegionServerReport, unassign, updateRegionFavoredNodesMapping, waitForServerOnline, walRollRequestFinished

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, yield

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hbase.master.MasterServices

getAccessChecker, getExecutorService, getTableDescriptors, getZKPermissionWatcher, isClusterUp

Methods inherited from interface org.apache.hadoop.hbase.Server

createConnection, getChoreService, getClusterConnection, getConfiguration, getConnection, getCoordinatedStateManager, getFileSystem, isStopping

Methods inherited from interface org.apache.hadoop.hbase.Abortable

isAborted

Methods inherited from interface org.apache.hadoop.hbase.Stoppable

isStopped

Constructor Detail

AlwaysStandByHMaster

public AlwaysStandByHMaster(org.apache.hadoop.conf.Configuration conf)
                     throws IOException

Throws:

IOException

Method Detail

createActiveMasterManager

protected org.apache.hadoop.hbase.master.ActiveMasterManager createActiveMasterManager(org.apache.hadoop.hbase.zookeeper.ZKWatcher zk,
                                                                                       org.apache.hadoop.hbase.ServerName sn,
                                                                                       org.apache.hadoop.hbase.Server server)
                                                                                throws InterruptedIOException

Overrides:

createActiveMasterManager in class org.apache.hadoop.hbase.master.HMaster

Throws:

InterruptedIOException