Package org.apache.hadoop.hbase.master

Class AlwaysStandByHMaster

java.lang.Object
java.lang.Thread
org.apache.hadoop.hbase.HBaseServerBase<org.apache.hadoop.hbase.master.MasterRpcServices>
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.client.ConnectionRegistryEndpoint, org.apache.hadoop.hbase.conf.ConfigurationObserver, org.apache.hadoop.hbase.master.MasterServices, 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
    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

  • 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_RSPROC_DISPATCHER_CLASS, HBASE_MASTER_WAIT_ON_SERVICE_IN_SECONDS, loadBalancerStateStore, MAINTENANCE_MODE, MASTER, masterAddressSyncer, metricsMaster, rsFatals, serviceStarted, snapshotCleanupStateStore, snapshotManager, WARMUP_BEFORE_MOVE

    Fields inherited from class org.apache.hadoop.hbase.HBaseServerBase

    abortRequested, asyncClusterConnection, choreService, clusterStatusTracker, conf, configurationManager, csm, dataFs, dataRootDir, eventLoopGroupConfig, executorService, infoServer, metaRegionLocationCache, msgInterval, namedQueueRecorder, rpcServices, serverName, sleeper, startcode, stopped, tableDescriptors, userProvider, useThisHostnameInstead, walFs, walRootDir, zooKeeper

    Fields inherited from class java.lang.Thread

    MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

  • Constructor Summary

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

  • Method Summary

    Modifier and Type
    Method
    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, balanceOrUpdateMetrics, balanceSwitch, cacheTableDescriptor, canCreateBaseZNode, canUpdateTableDescriptor, checkIfShouldMoveSystemRegionAsync, checkInitialized, checkServiceStarted, checkTableModifiable, clusterMode, configureInfoServer, constructMaster, createAssignmentManager, createNamedQueueRecord, createNamespace, createRpcServices, createServerManager, createSystemTable, createTable, decommissionRegionServers, decorateMasterConfiguration, deleteColumn, deleteNamespace, deleteTable, disableReplicationPeer, disableTable, enableReplicationPeer, enableTable, executeRegionPlansWithThrottling, flushMasterStore, flushTable, getActiveMaster, getActiveMasterInfoPort, getActiveMasterManager, getAssignmentManager, getAverageLoad, getBackupMasterInfoPort, getBackupMasters, getBootstrapNodes, getCatalogJanitor, getClientIdAuditPrefix, getClusterId, getClusterMetrics, getClusterMetrics, getClusterMetricsWithoutCoprocessor, getClusterMetricsWithoutCoprocessor, getClusterSchema, getCompactionState, getCoprocessorHost, getDumpServlet, getFavoredNodesManager, getHbckChore, getHFileCleaner, getHFileCleaners, getInitializedEvent, getLastMajorCompactionTimestamp, getLastMajorCompactionTimestampForRegion, getLiveRegionServers, getLoadBalancer, getLoadBalancerClassName, getLoadedCoprocessors, getLockManager, getLocks, getLogCleaner, getMasterActiveTime, getMasterCoprocessorHost, getMasterCoprocessors, getMasterFileSystem, getMasterFinishedInitializationTime, getMasterMetrics, getMasterProcedureExecutor, getMasterProcedureManagerHost, getMasterQuotaManager, getMasterRegion, getMasterRpcServices, getMasterStartTime, getMasterWalManager, getMetaLocations, getMetaLocationSyncer, getMobCompactionState, getNamespace, getNamespaces, getNumWALFiles, getProcedures, getProcedureStore, getProcessName, getQuotaObserverChore, getRegionNormalizerManager, getRegionServerFatalLogBuffer, getRegionServerInfoPort, getRegionServerVersion, getRemoteInetAddress, getReplicationLoad, getReplicationLogCleanerBarrier, getReplicationPeerConfig, getReplicationPeerManager, getRSGroupInfoManager, getServerManager, getServerName, getSnapshotManager, getSnapshotQuotaObserverChore, getSpaceQuotaSnapshotNotifier, getSplitOrMergeStateStore, getSplitWALManager, getStartupProgress, getSyncReplicationPeerLock, getSyncReplicationReplayWALManager, getTableStateManager, getUseThisHostnameInstead, initClusterSchemaService, isActiveMaster, isBalancerOn, isCatalogJanitorEnabled, isCleanerChoreEnabled, isInitialized, isInMaintenanceMode, isNormalizerOn, isOnline, isReplicationPeerModificationEnabled, isSplitOrMergeEnabled, listDecommissionedRegionServers, listNamespaces, listReplicationPeers, listTableDescriptors, listTableDescriptorsByNamespace, listTableNames, listTableNamesByNamespace, login, main, mergeRegions, modifyColumn, modifyColumnStoreFileTracker, modifyNamespace, modifyTable, modifyTableStoreFileTracker, move, normalizeRegions, onConfigurationChange, recommissionRegionServer, registerService, reloadRegionServerQuotas, remoteProcedureCompleted, remoteProcedureFailed, removeReplicationPeer, reopenRegions, replicationPeerModificationSwitch, reportMobCompactionEnd, reportMobCompactionStart, restoreSnapshot, rollAllWALWriters, run, runReplicationBarrierCleaner, setAssignmentManager, setCatalogJanitorChoreForTesting, setCatalogJanitorEnabled, setDisableBalancerChoreForTest, setHbckChoreForTesting, setInitialized, setLoadBalancer, setServiceStarted, shutdown, skipRegionManagementAction, splitRegion, startProcedureExecutor, stop, stopChores, stopMaster, stopServiceThreads, switchSnapshotCleanup, transitReplicationPeerSyncReplicationState, truncateRegion, truncateTable, updateConfigurationForQuotasObserver, updateReplicationPeerConfig, waitForMetaOnline

    Methods inherited from class org.apache.hadoop.hbase.HBaseServerBase

    closeClusterConnection, closeTableDescriptors, closeZooKeeper, createConnection, getAccessChecker, getAsyncClusterConnection, getChoreService, getConfiguration, getConfigurationManager, getCoordinatedStateManager, getDataRootDir, getEventLoopGroupConfig, getExecutorService, getFileSystem, getInfoServer, getMetaRegionLocationCache, getMsgInterval, getNamedQueueRecorder, getRpcServer, getRpcServices, getStartcode, getTableDescriptors, getWALFileSystem, getWALRootDir, getZKPermissionWatcher, getZooKeeper, initializeFileSystem, initializeMemStoreChunkCreator, installShutdownHook, isAborted, isClusterUp, isShutdownHookInstalled, isStopped, setAbortRequested, setupClusterConnection, shutdownChore, stopChoreService, stopExecutorService, stopInfoServer, toString, updateConfiguration

    Methods inherited from class java.lang.Thread

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

    abort, isAborted

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

    getAccessChecker, getExecutorService, getTableDescriptors, getZKPermissionWatcher, isClusterUp, modifyTable

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

    createConnection, getAsyncClusterConnection, getAsyncConnection, getChoreService, getConfiguration, getConnection, getCoordinatedStateManager, getFileSystem, getZooKeeper, isStopping

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

    isStopped

  • Constructor Details

  • Method Details

    • 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