org.apache.cassandra.metrics

Class ChunkCacheMetrics

java.lang.Object

org.apache.cassandra.metrics.CacheMetrics

org.apache.cassandra.metrics.ChunkCacheMetrics

All Implemented Interfaces:

com.github.benmanes.caffeine.cache.stats.StatsCounter

public class ChunkCacheMetrics
extends CacheMetrics
implements com.github.benmanes.caffeine.cache.stats.StatsCounter

Metrics for ICache.

Field Summary

Fields

Modifier and Type	Field and Description
com.codahale.metrics.Timer	missLatency Latency of misses

Fields inherited from class org.apache.cassandra.metrics.CacheMetrics

capacity, entries, factory, fifteenMinuteHitRate, fiveMinuteHitRate, hitRate, hits, misses, oneMinuteHitRate, requests, size

Constructor Summary

Constructors

Constructor and Description
ChunkCacheMetrics(ChunkCache cache) Create metrics for the provided chunk cache.

Method Summary

Modifier and Type	Method and Description
void	recordEviction()
void	recordHits(int count)
void	recordLoadFailure(long loadTime)
void	recordLoadSuccess(long loadTime)
void	recordMisses(int count)
com.github.benmanes.caffeine.cache.stats.CacheStats	snapshot()

Methods inherited from class org.apache.cassandra.metrics.CacheMetrics

reset

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.github.benmanes.caffeine.cache.stats.StatsCounter

disabledStatsCounter, guardedStatsCounter, recordEviction

Field Detail

missLatency

public final com.codahale.metrics.Timer missLatency

Latency of misses

Constructor Detail

ChunkCacheMetrics

public ChunkCacheMetrics(ChunkCache cache)

Create metrics for the provided chunk cache.

Parameters:

cache - Chunk cache to measure metrics

Method Detail

recordHits

public void recordHits(int count)

Specified by:

recordHits in interface com.github.benmanes.caffeine.cache.stats.StatsCounter

recordMisses

public void recordMisses(int count)

Specified by:

recordMisses in interface com.github.benmanes.caffeine.cache.stats.StatsCounter

recordLoadSuccess

public void recordLoadSuccess(long loadTime)

Specified by:

recordLoadSuccess in interface com.github.benmanes.caffeine.cache.stats.StatsCounter

recordLoadFailure

public void recordLoadFailure(long loadTime)

Specified by:

recordLoadFailure in interface com.github.benmanes.caffeine.cache.stats.StatsCounter

recordEviction

public void recordEviction()

Specified by:

recordEviction in interface com.github.benmanes.caffeine.cache.stats.StatsCounter

snapshot

@Nonnull
public com.github.benmanes.caffeine.cache.stats.CacheStats snapshot()

Specified by:

snapshot in interface com.github.benmanes.caffeine.cache.stats.StatsCounter