org.apache.hadoop.hbase.regionserver

Class RegionServerAccounting

java.lang.Object

org.apache.hadoop.hbase.regionserver.RegionServerAccounting

@InterfaceAudience.Private
public class RegionServerAccounting
extends Object

RegionServerAccounting keeps record of some basic real time information about the Region Server. Currently, it only keeps record the global memstore size.

Constructor Summary

Constructors

Constructor and Description
RegionServerAccounting()

Method Summary

Modifier and Type	Method and Description
long	addAndGetGlobalMemstoreSize(long memStoreSize)
long	addAndGetRegionReplayEditsSize(byte[] regionName, long memStoreSize) Add memStoreSize to replayEditsPerRegion.
void	clearRegionReplayEditsSize(byte[] regionName) Clear a region from replayEditsPerRegion.
long	getGlobalMemstoreSize()
long	rollbackRegionReplayEditsSize(byte[] regionName) Roll back the global MemStore size for a specified region when this region can't be opened.

Methods inherited from class java.lang.Object

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

Constructor Detail

RegionServerAccounting

public RegionServerAccounting()

Method Detail

getGlobalMemstoreSize

public long getGlobalMemstoreSize()

Returns:

the global Memstore size in the RegionServer

addAndGetGlobalMemstoreSize

public long addAndGetGlobalMemstoreSize(long memStoreSize)

Parameters:

memStoreSize - the Memstore size will be added to the global Memstore size

Returns:

the global Memstore size in the RegionServer

addAndGetRegionReplayEditsSize

public long addAndGetRegionReplayEditsSize(byte[] regionName,
                                           long memStoreSize)

Add memStoreSize to replayEditsPerRegion.

Parameters:

regionName - region name.

memStoreSize - the Memstore size will be added to replayEditsPerRegion.

Returns:

the replay edits size for the region.

rollbackRegionReplayEditsSize

public long rollbackRegionReplayEditsSize(byte[] regionName)

Roll back the global MemStore size for a specified region when this region can't be opened.

Parameters:

regionName - the region which could not open.

Returns:

the global Memstore size in the RegionServer

clearRegionReplayEditsSize

public void clearRegionReplayEditsSize(byte[] regionName)

Clear a region from replayEditsPerRegion.

Parameters:

regionName - region name.