Package org.apache.hadoop.hbase.io.hfile.bucket

Class BucketCacheStats

java.lang.Object

org.apache.hadoop.hbase.io.hfile.CacheStats

org.apache.hadoop.hbase.io.hfile.bucket.BucketCacheStats

@Private
public class BucketCacheStats
extends CacheStats

Class that implements cache metrics for bucket cache.

Field Summary

Fields

Modifier and Type	Field	Description
private LongAdder	allocationFailCount
private final LongAdder	ioHitCount
private final LongAdder	ioHitTime
private long	lastLogTime
private static final long	NANO_TIME

Constructor Summary

Constructors

Constructor	Description
BucketCacheStats()

Method Summary

Modifier and Type	Method	Description
void	allocationFailed()
long	getAllocationFailCount()
long	getIOHitsPerSecond()
double	getIOTimePerHit()
void	ioHit(long time)
void	reset()
String	toString()

Methods inherited from class org.apache.hadoop.hbase.io.hfile.CacheStats

evict, evicted, evictedPerEviction, failInsert, getAgeAtEvictionSnapshot, getBloomChunkHitCount, getBloomChunkMissCount, getDataHitCount, getDataMissCount, getDeleteFamilyBloomHitCount, getDeleteFamilyBloomMissCount, getEvictedCount, getEvictionCount, getFailedInserts, getFileInfoHitCount, getFileInfoMissCount, getGeneralBloomMetaHitCount, getGeneralBloomMetaMissCount, getHitCachingCount, getHitCachingRatio, getHitCachingRatioPastNPeriods, getHitCount, getHitRatio, getHitRatioPastNPeriods, getIntermediateIndexHitCount, getIntermediateIndexMissCount, getLeafIndexHitCount, getLeafIndexMissCount, getMetaHitCount, getMetaMissCount, getMissCachingCount, getMissCachingRatio, getMissCount, getMissRatio, getPrimaryEvictedCount, getPrimaryHitCount, getPrimaryMissCount, getRequestCachingCount, getRequestCount, getRootIndexHitCount, getRootIndexMissCount, getSumHitCachingCountsPastNPeriods, getSumHitCountsPastNPeriods, getSumRequestCachingCountsPastNPeriods, getSumRequestCountsPastNPeriods, getTrailerHitCount, getTrailerMissCount, hit, miss, rollMetricsPeriod

Methods inherited from class java.lang.Object

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

Field Details

ioHitCount

private final LongAdder ioHitCount

ioHitTime

private final LongAdder ioHitTime

NANO_TIME

private static final long NANO_TIME

lastLogTime

private long lastLogTime

allocationFailCount

private LongAdder allocationFailCount

Constructor Details

BucketCacheStats

BucketCacheStats()

Method Details

toString

public String toString()

Overrides:

toString in class CacheStats

ioHit

public void ioHit(long time)

getIOHitsPerSecond

public long getIOHitsPerSecond()

getIOTimePerHit

public double getIOTimePerHit()

reset

public void reset()

getAllocationFailCount

public long getAllocationFailCount()

allocationFailed

public void allocationFailed()