Package org.apache.iotdb.db.engine.cache

Class CacheHitRatioMonitor

java.lang.Object

org.apache.iotdb.db.engine.cache.CacheHitRatioMonitor

All Implemented Interfaces:

org.apache.iotdb.commons.service.IService, CacheHitRatioMonitorMXBean

public class CacheHitRatioMonitor
extends java.lang.Object
implements CacheHitRatioMonitorMXBean, org.apache.iotdb.commons.service.IService

Constructor Summary

Constructors

Constructor	Description
CacheHitRatioMonitor()

Method Summary

Modifier and Type	Method	Description
int	flushingMemTableNum()
double	getBloomFilterCacheAverageLoadPenalty()
long	getBloomFilterCacheAverageSize()
long	getBloomFilterCacheEvictionCount()
long	getBloomFilterCacheMaxMemory()
double	getBloomFilterHitRatio()
double	getChunkCacheAverageLoadPenalty()
long	getChunkCacheAverageSize()
long	getChunkCacheMaxMemory()
long	getChunkEvictionCount()
double	getChunkHitRatio()
double	getFlushThershold()
org.apache.iotdb.commons.service.ServiceType	getID()
static CacheHitRatioMonitor	getInstance()
double	getRejectThershold()
double	getTimeSeriesCacheAverageLoadPenalty()
long	getTimeSeriesMetaDataCacheAverageSize()
long	getTimeSeriesMetadataCacheEvictionCount()
long	getTimeSeriesMetadataCacheMaxMemory()
double	getTimeSeriesMetadataHitRatio()
long	getTotalMemTableSize()
void	start()
void	stop()
int	totalMemTableNum()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.iotdb.commons.service.IService

shutdown, waitAndStop

Constructor Detail

CacheHitRatioMonitor

public CacheHitRatioMonitor()

Method Detail

start

public void start()
           throws org.apache.iotdb.commons.exception.StartupException

Specified by:

start in interface org.apache.iotdb.commons.service.IService

Throws:

org.apache.iotdb.commons.exception.StartupException

stop

public void stop()

Specified by:

stop in interface org.apache.iotdb.commons.service.IService

getID

public org.apache.iotdb.commons.service.ServiceType getID()

Specified by:

getID in interface org.apache.iotdb.commons.service.IService

getChunkHitRatio

public double getChunkHitRatio()

Specified by:

getChunkHitRatio in interface CacheHitRatioMonitorMXBean

getChunkEvictionCount

public long getChunkEvictionCount()

Specified by:

getChunkEvictionCount in interface CacheHitRatioMonitorMXBean

getChunkCacheMaxMemory

public long getChunkCacheMaxMemory()

Specified by:

getChunkCacheMaxMemory in interface CacheHitRatioMonitorMXBean

getChunkCacheAverageLoadPenalty

public double getChunkCacheAverageLoadPenalty()

Specified by:

getChunkCacheAverageLoadPenalty in interface CacheHitRatioMonitorMXBean

getChunkCacheAverageSize

public long getChunkCacheAverageSize()

Specified by:

getChunkCacheAverageSize in interface CacheHitRatioMonitorMXBean

getTimeSeriesMetadataHitRatio

public double getTimeSeriesMetadataHitRatio()

Specified by:

getTimeSeriesMetadataHitRatio in interface CacheHitRatioMonitorMXBean

getTimeSeriesMetadataCacheEvictionCount

public long getTimeSeriesMetadataCacheEvictionCount()

Specified by:

getTimeSeriesMetadataCacheEvictionCount in interface CacheHitRatioMonitorMXBean

getTimeSeriesMetadataCacheMaxMemory

public long getTimeSeriesMetadataCacheMaxMemory()

Specified by:

getTimeSeriesMetadataCacheMaxMemory in interface CacheHitRatioMonitorMXBean

getTimeSeriesCacheAverageLoadPenalty

public double getTimeSeriesCacheAverageLoadPenalty()

Specified by:

getTimeSeriesCacheAverageLoadPenalty in interface CacheHitRatioMonitorMXBean

getTimeSeriesMetaDataCacheAverageSize

public long getTimeSeriesMetaDataCacheAverageSize()

Specified by:

getTimeSeriesMetaDataCacheAverageSize in interface CacheHitRatioMonitorMXBean

getBloomFilterHitRatio

public double getBloomFilterHitRatio()

Specified by:

getBloomFilterHitRatio in interface CacheHitRatioMonitorMXBean

getBloomFilterCacheEvictionCount

public long getBloomFilterCacheEvictionCount()

Specified by:

getBloomFilterCacheEvictionCount in interface CacheHitRatioMonitorMXBean

getBloomFilterCacheMaxMemory

public long getBloomFilterCacheMaxMemory()

Specified by:

getBloomFilterCacheMaxMemory in interface CacheHitRatioMonitorMXBean

getBloomFilterCacheAverageLoadPenalty

public double getBloomFilterCacheAverageLoadPenalty()

Specified by:

getBloomFilterCacheAverageLoadPenalty in interface CacheHitRatioMonitorMXBean

getBloomFilterCacheAverageSize

public long getBloomFilterCacheAverageSize()

Specified by:

getBloomFilterCacheAverageSize in interface CacheHitRatioMonitorMXBean

getInstance

public static CacheHitRatioMonitor getInstance()

getTotalMemTableSize

public long getTotalMemTableSize()

Specified by:

getTotalMemTableSize in interface CacheHitRatioMonitorMXBean

getFlushThershold

public double getFlushThershold()

Specified by:

getFlushThershold in interface CacheHitRatioMonitorMXBean

getRejectThershold

public double getRejectThershold()

Specified by:

getRejectThershold in interface CacheHitRatioMonitorMXBean

flushingMemTableNum

public int flushingMemTableNum()

Specified by:

flushingMemTableNum in interface CacheHitRatioMonitorMXBean

totalMemTableNum

public int totalMemTableNum()

Specified by:

totalMemTableNum in interface CacheHitRatioMonitorMXBean