CacheStats (Apache HBase 1.4.11 API)

java.lang.Object
- org.apache.hadoop.hbase.io.hfile.CacheStats

Direct Known Subclasses:

BucketCacheStats, CombinedBlockCache.CombinedCacheStats
```
@InterfaceAudience.Private
public class CacheStats
extends Object
```
Class that implements cache metrics.

Constructor Summary

Constructors
Constructor and Description

CacheStats(String name)

CacheStats(String name, int numPeriodsInWindow)

Constructors
Constructor and Description
`CacheStats(String name)`
`CacheStats(String name, int numPeriodsInWindow)`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`evict()`
`void`	`evicted(long t, boolean primary)`
`double`	`evictedPerEviction()`
`long`	`failInsert()`
`AgeSnapshot`	`getAgeAtEvictionSnapshot()`
`long`	`getBloomChunkHitCount()`
`long`	`getBloomChunkMissCount()`
`long`	`getDataHitCount()`
`long`	`getDataMissCount()`
`long`	`getDeleteFamilyBloomHitCount()`
`long`	`getDeleteFamilyBloomMissCount()`
`long`	`getEvictedCount()`
`long`	`getEvictionCount()`
`long`	`getFailedInserts()`
`long`	`getFileInfoHitCount()`
`long`	`getFileInfoMissCount()`
`long`	`getGeneralBloomMetaHitCount()`
`long`	`getGeneralBloomMetaMissCount()`
`long`	`getHitCachingCount()`
`double`	`getHitCachingRatio()`
`double`	`getHitCachingRatioPastNPeriods()`
`long`	`getHitCount()`
`double`	`getHitRatio()`
`double`	`getHitRatioPastNPeriods()`
`long`	`getIntermediateIndexHitCount()`
`long`	`getIntermediateIndexMissCount()`
`long`	`getLeafIndexHitCount()`
`long`	`getLeafIndexMissCount()`
`long`	`getMetaHitCount()`
`long`	`getMetaMissCount()`
`long`	`getMissCachingCount()`
`double`	`getMissCachingRatio()`
`long`	`getMissCount()`
`double`	`getMissRatio()`
`long`	`getPrimaryEvictedCount()`
`long`	`getPrimaryHitCount()`
`long`	`getPrimaryMissCount()`
`long`	`getRequestCachingCount()`
`long`	`getRequestCount()`
`long`	`getRootIndexHitCount()`
`long`	`getRootIndexMissCount()`
`long`	`getSumHitCachingCountsPastNPeriods()`
`long`	`getSumHitCountsPastNPeriods()`
`long`	`getSumRequestCachingCountsPastNPeriods()`
`long`	`getSumRequestCountsPastNPeriods()`
`long`	`getTrailerHitCount()`
`long`	`getTrailerMissCount()`
`void`	`hit(boolean caching, boolean primary, BlockType type)`
`void`	`miss(boolean caching, boolean primary, BlockType type)`
`void`	`rollMetricsPeriod()`
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

CacheStats
```
public CacheStats(String name)
```

CacheStats

public CacheStats(String name,
          int numPeriodsInWindow)

Method Detail

toString
```
public String toString()
```
Overrides:

toString in class Object

miss

public void miss(boolean caching,
        boolean primary,
        BlockType type)

hit

public void hit(boolean caching,
       boolean primary,
       BlockType type)

evict
```
public void evict()
```

evicted

public void evicted(long t,
           boolean primary)

failInsert
```
public long failInsert()
```

getDataMissCount
```
public long getDataMissCount()
```

getLeafIndexMissCount
```
public long getLeafIndexMissCount()
```

getBloomChunkMissCount
```
public long getBloomChunkMissCount()
```

getMetaMissCount
```
public long getMetaMissCount()
```

getRootIndexMissCount
```
public long getRootIndexMissCount()
```

getIntermediateIndexMissCount

public long getIntermediateIndexMissCount()

getFileInfoMissCount
```
public long getFileInfoMissCount()
```

getGeneralBloomMetaMissCount

public long getGeneralBloomMetaMissCount()

getDeleteFamilyBloomMissCount

public long getDeleteFamilyBloomMissCount()

getTrailerMissCount
```
public long getTrailerMissCount()
```

getDataHitCount
```
public long getDataHitCount()
```

getLeafIndexHitCount
```
public long getLeafIndexHitCount()
```

getBloomChunkHitCount
```
public long getBloomChunkHitCount()
```

getMetaHitCount
```
public long getMetaHitCount()
```

getRootIndexHitCount
```
public long getRootIndexHitCount()
```

getIntermediateIndexHitCount

public long getIntermediateIndexHitCount()

getFileInfoHitCount
```
public long getFileInfoHitCount()
```

getGeneralBloomMetaHitCount

public long getGeneralBloomMetaHitCount()

getDeleteFamilyBloomHitCount

public long getDeleteFamilyBloomHitCount()

getTrailerHitCount
```
public long getTrailerHitCount()
```

getRequestCount
```
public long getRequestCount()
```

getRequestCachingCount
```
public long getRequestCachingCount()
```

getMissCount
```
public long getMissCount()
```

getPrimaryMissCount
```
public long getPrimaryMissCount()
```

getMissCachingCount
```
public long getMissCachingCount()
```

getHitCount
```
public long getHitCount()
```

getPrimaryHitCount
```
public long getPrimaryHitCount()
```

getHitCachingCount
```
public long getHitCachingCount()
```

getEvictionCount
```
public long getEvictionCount()
```

getEvictedCount
```
public long getEvictedCount()
```

getPrimaryEvictedCount
```
public long getPrimaryEvictedCount()
```

getHitRatio
```
public double getHitRatio()
```

getHitCachingRatio
```
public double getHitCachingRatio()
```

getMissRatio
```
public double getMissRatio()
```

getMissCachingRatio
```
public double getMissCachingRatio()
```

evictedPerEviction
```
public double evictedPerEviction()
```

getFailedInserts
```
public long getFailedInserts()
```

rollMetricsPeriod
```
public void rollMetricsPeriod()
```

getSumHitCountsPastNPeriods

public long getSumHitCountsPastNPeriods()

getSumRequestCountsPastNPeriods

public long getSumRequestCountsPastNPeriods()

getSumHitCachingCountsPastNPeriods

public long getSumHitCachingCountsPastNPeriods()

getSumRequestCachingCountsPastNPeriods

public long getSumRequestCachingCountsPastNPeriods()

getHitRatioPastNPeriods

public double getHitRatioPastNPeriods()

getHitCachingRatioPastNPeriods

public double getHitCachingRatioPastNPeriods()

getAgeAtEvictionSnapshot

public AgeSnapshot getAgeAtEvictionSnapshot()

Class CacheStats

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

CacheStats

CacheStats

Method Detail

toString

miss

hit

evict

evicted

failInsert

getDataMissCount

getLeafIndexMissCount

getBloomChunkMissCount

getMetaMissCount

getRootIndexMissCount

getIntermediateIndexMissCount

getFileInfoMissCount

getGeneralBloomMetaMissCount

getDeleteFamilyBloomMissCount

getTrailerMissCount

getDataHitCount

getLeafIndexHitCount

getBloomChunkHitCount

getMetaHitCount

getRootIndexHitCount

getIntermediateIndexHitCount

getFileInfoHitCount

getGeneralBloomMetaHitCount

getDeleteFamilyBloomHitCount

getTrailerHitCount

getRequestCount

getRequestCachingCount

getMissCount

getPrimaryMissCount

getMissCachingCount

getHitCount

getPrimaryHitCount

getHitCachingCount

getEvictionCount

getEvictedCount

getPrimaryEvictedCount

getHitRatio

getHitCachingRatio

getMissRatio

getMissCachingRatio

evictedPerEviction

getFailedInserts

rollMetricsPeriod

getSumHitCountsPastNPeriods

getSumRequestCountsPastNPeriods

getSumHitCachingCountsPastNPeriods

getSumRequestCachingCountsPastNPeriods

getHitRatioPastNPeriods

getHitCachingRatioPastNPeriods

getAgeAtEvictionSnapshot