org.apache.hadoop.hbase.regionserver

Class RegionServicesForStores

java.lang.Object

org.apache.hadoop.hbase.regionserver.RegionServicesForStores

@InterfaceAudience.Private
public class RegionServicesForStores
extends Object

Services a Store needs from a Region. RegionServicesForStores class is the interface through which memstore access services at the region level. For example, when using alternative memory formats or due to compaction the memstore needs to take occasional lock and update size counters at the region level.

Constructor Summary

Constructors

Constructor and Description
RegionServicesForStores(HRegion region)

Method Summary

Modifier and Type	Method and Description
void	addMemStoreSize(long dataSizeDelta, long heapSizeDelta, long offHeapSizeDelta)
void	blockUpdates()
ThreadPoolExecutor	getInMemoryCompactionPool()
long	getMemStoreFlushSize()
int	getNumStores()
RegionInfo	getRegionInfo()
WAL	getWAL()
void	unblockUpdates()

Methods inherited from class java.lang.Object

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

Constructor Detail

RegionServicesForStores

public RegionServicesForStores(HRegion region)

Method Detail

blockUpdates

public void blockUpdates()

unblockUpdates

public void unblockUpdates()

addMemStoreSize

public void addMemStoreSize(long dataSizeDelta,
                            long heapSizeDelta,
                            long offHeapSizeDelta)

getRegionInfo

public RegionInfo getRegionInfo()

getWAL

public WAL getWAL()

getInMemoryCompactionPool

public ThreadPoolExecutor getInMemoryCompactionPool()

getMemStoreFlushSize

public long getMemStoreFlushSize()

getNumStores

public int getNumStores()