Method Detail

• isStopping

  boolean isStopping()

  Returns:

  True if this regionserver is stopping.

• getWAL

  WAL getWAL(HRegionInfo regionInfo)
             throws IOException

  Returns:

  the WAL for a particular region. Pass null for getting the default (common) WAL

  Throws:

  IOException

• getCompactionRequester

  CompactionRequestor getCompactionRequester()

  Returns:

  Implementation of CompactionRequestor or null.

• getFlushRequester

  FlushRequester getFlushRequester()

  Returns:

  Implementation of FlushRequester or null.

• getRegionServerAccounting

  RegionServerAccounting getRegionServerAccounting()

  Returns:

  the RegionServerAccounting for this Region Server

• getTableLockManager

  TableLockManager getTableLockManager()

  Returns:

  RegionServer's instance of TableLockManager

• getRegionServerQuotaManager

  RegionServerQuotaManager getRegionServerQuotaManager()

  Returns:

  RegionServer's instance of RegionServerQuotaManager

• postOpenDeployTasks

  void postOpenDeployTasks(RegionServerServices.PostOpenDeployContext context)
                           throws org.apache.zookeeper.KeeperException,
                                  IOException

  Tasks to perform after region open to complete deploy of region on regionserver

  Parameters:

  context - the context

  Throws:

  org.apache.zookeeper.KeeperException

  IOException

• postOpenDeployTasks

  @Deprecated
  void postOpenDeployTasks(Region r)
                           throws org.apache.zookeeper.KeeperException,
                                  IOException

  Deprecated. use postOpenDeployTasks(PostOpenDeployContext)
  Tasks to perform after region open to complete deploy of region on regionserver

  Parameters:

  r - Region to open.

  Throws:

  org.apache.zookeeper.KeeperException

  IOException

• reportRegionStateTransition

  boolean reportRegionStateTransition(RegionServerServices.RegionStateTransitionContext context)

  Notify master that a handler requests to change a region state

• reportRegionStateTransition

  @Deprecated
  boolean reportRegionStateTransition(org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode code,
                                               long openSeqNum,
                                               HRegionInfo... hris)

  Deprecated. use reportRegionStateTransition(RegionStateTransitionContext)
  Notify master that a handler requests to change a region state

• reportRegionStateTransition

  @Deprecated
  boolean reportRegionStateTransition(org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode code,
                                               HRegionInfo... hris)

  Deprecated. use reportRegionStateTransition(RegionStateTransitionContext)
  Notify master that a handler requests to change a region state

• getRpcServer

  RpcServerInterface getRpcServer()

  Returns a reference to the region server's RPC server

• getRegionsInTransitionInRS

  ConcurrentMap<byte[],Boolean> getRegionsInTransitionInRS()

  Get the regions that are currently being opened or closed in the RS

  Returns:

  map of regions in transition in this RS

• getFileSystem

  org.apache.hadoop.fs.FileSystem getFileSystem()

  Returns:

  Return the FileSystem object used by the regionserver

• getLeases

  Leases getLeases()

  Returns:

  The RegionServer's "Leases" service

• getExecutorService

  ExecutorService getExecutorService()

  Returns:

  hbase executor service

• getRecoveringRegions

  Map<String,Region> getRecoveringRegions()

  Returns:

  set of recovering regions on the hosting region server

• getNonceManager

  ServerNonceManager getNonceManager()

  Only required for "old" log replay; if it's removed, remove this.

  Returns:

  The RegionServer's NonceManager

• registerService

  boolean registerService(com.google.protobuf.Service service)

  Registers a new protocol buffer Service subclass as a coprocessor endpoint to be available for handling

  Parameters:

  service - the Service subclass instance to expose as a coprocessor endpoint

  Returns:

  true if the registration was successful, false

• getHeapMemoryManager

  HeapMemoryManager getHeapMemoryManager()

  Returns:

  heap memory manager instance

• getCompactionPressure

  double getCompactionPressure()

  Returns:

  the max compaction pressure of all stores on this regionserver. The value should be greater than or equal to 0.0, and any value greater than 1.0 means we enter the emergency state that some stores have too many store files.

  See Also:

  Store.getCompactionPressure()

• getOnlineTables

  Set<TableName> getOnlineTables()

  Returns:

  all the online tables in this RS

• getFlushThroughputController

  ThroughputController getFlushThroughputController()

  Returns:

  the controller to avoid flush too fast

• getFlushPressure

  double getFlushPressure()

  Returns:

  the flush pressure of all stores on this regionserver. The value should be greater than or equal to 0.0, and any value greater than 1.0 means we enter the emergency state that global memstore size already exceeds lower limit.

• getMetrics

  MetricsRegionServer getMetrics()

  Returns:

  the metrics tracker for the region server

• unassign

  void unassign(byte[] regionName)
                throws IOException

  Unassign the given region from the current regionserver and assign it randomly. Could still be assigned to us. This is used to solve some tough problems for which you need to reset the state of a region. For example, if you hit FileNotFound exception and want to refresh the store file list.

  See HBASE-17712 for more details.

  Throws:

  IOException