org.apache.hadoop.hbase.regionserver

Class MetricsHeapMemoryManager

java.lang.Object

org.apache.hadoop.hbase.regionserver.MetricsHeapMemoryManager

@InterfaceAudience.Private
public class MetricsHeapMemoryManager
extends Object

This class is for maintaining the various regionserver's heap memory manager statistics and publishing them through the metrics interfaces.

Constructor Summary

Constructors

Constructor and Description
MetricsHeapMemoryManager()
MetricsHeapMemoryManager(MetricsHeapMemoryManagerSource source)

Method Summary

Modifier and Type	Method and Description
MetricsHeapMemoryManagerSource	getMetricsSource()
void	increaseAboveHeapOccupancyLowWatermarkCounter() Increase the counter for heap occupancy percent above low watermark
void	increaseTunerDoNothingCounter() Increase the counter for tuner neither expanding memstore global size limit nor expanding blockcache max size.
void	setCurBlockCacheSizeGauge(long blockCacheSize) Set the current blockcache size used gauge
void	setCurMemStoreSizeGauge(long memStoreSize) Set the current global memstore size used gauge
void	updateBlockCacheDeltaSizeHistogram(int blockCacheDeltaSize) Update the increase/decrease blockcache size histogram
void	updateBlockedFlushCount(long blockedFlushCount) Update/Set the blocked flush count histogram/gauge
void	updateMemStoreDeltaSizeHistogram(int memStoreDeltaSize) Update the increase/decrease memstore size histogram
void	updateUnblockedFlushCount(long unblockedFlushCount) Update/Set the unblocked flush count histogram/gauge

Methods inherited from class java.lang.Object

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

Constructor Detail

MetricsHeapMemoryManager

public MetricsHeapMemoryManager()

MetricsHeapMemoryManager

public MetricsHeapMemoryManager(MetricsHeapMemoryManagerSource source)

Method Detail

getMetricsSource

public MetricsHeapMemoryManagerSource getMetricsSource()

updateBlockedFlushCount

public void updateBlockedFlushCount(long blockedFlushCount)

Update/Set the blocked flush count histogram/gauge

Parameters:

blockedFlushCount - the number of blocked memstore flush since last tuning.

updateUnblockedFlushCount

public void updateUnblockedFlushCount(long unblockedFlushCount)

Update/Set the unblocked flush count histogram/gauge

Parameters:

unblockedFlushCount - the number of unblocked memstore flush since last tuning.

setCurBlockCacheSizeGauge

public void setCurBlockCacheSizeGauge(long blockCacheSize)

Set the current blockcache size used gauge

Parameters:

blockCacheSize - the current memory usage in blockcache, in bytes.

setCurMemStoreSizeGauge

public void setCurMemStoreSizeGauge(long memStoreSize)

Set the current global memstore size used gauge

Parameters:

memStoreSize - the current memory usage in memstore, in bytes.

updateMemStoreDeltaSizeHistogram

public void updateMemStoreDeltaSizeHistogram(int memStoreDeltaSize)

Update the increase/decrease memstore size histogram

Parameters:

memStoreDeltaSize - the tuning result of memstore.

updateBlockCacheDeltaSizeHistogram

public void updateBlockCacheDeltaSizeHistogram(int blockCacheDeltaSize)

Update the increase/decrease blockcache size histogram

Parameters:

blockCacheDeltaSize - the tuning result of blockcache.

increaseTunerDoNothingCounter

public void increaseTunerDoNothingCounter()

Increase the counter for tuner neither expanding memstore global size limit nor expanding blockcache max size.

increaseAboveHeapOccupancyLowWatermarkCounter

public void increaseAboveHeapOccupancyLowWatermarkCounter()

Increase the counter for heap occupancy percent above low watermark