ChunkCacheMetrics (apache-cassandra API)

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

Description

final 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

Description

ChunkCacheMetrics(ChunkCache cache)

Create metrics for the provided chunk cache.
Method Summary

Modifier and Type

Method

Description

void

recordEviction(int weight, com.github.benmanes.caffeine.cache.RemovalCause cause)

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

Field Details
- missLatency
  
  public final com.codahale.metrics.Timer missLatency
  
  Latency of misses
Constructor Details
- ChunkCacheMetrics
  
  public ChunkCacheMetrics(ChunkCache cache)
  
  Create metrics for the provided chunk cache.
  
  Parameters:
  
  cache - Chunk cache to measure metrics
Method Details
- 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(int weight, com.github.benmanes.caffeine.cache.RemovalCause cause)
  
  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