Package org.apache.jackrabbit.oak.cache

Class AbstractCacheStats

java.lang.Object

javax.management.StandardMBean

org.apache.jackrabbit.oak.commons.jmx.AnnotatedStandardMBean

org.apache.jackrabbit.oak.cache.AbstractCacheStats

All Implemented Interfaces:

javax.management.DynamicMBean, javax.management.MBeanRegistration, org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

Direct Known Subclasses:

CacheStats

public abstract class AbstractCacheStats
extends AnnotatedStandardMBean
implements org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

Abstract base class for providing cache statistic via the CacheStatsMBean.

Field Summary

Fields inherited from interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

TYPE

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractCacheStats(@NotNull java.lang.String name)	Create a new CacheStatsMBean for a cache with the given name.

Method Summary

Modifier and Type	Method	Description
java.lang.String	cacheInfoAsString()
double	getAverageLoadPenalty()
protected abstract org.apache.jackrabbit.guava.common.cache.CacheStats	getCurrentStats()	Call back invoked to retrieve the most recent CacheStats instance of the underlying cache.
long	getEvictionCount()
long	getHitCount()
double	getHitRate()
long	getLoadCount()
long	getLoadExceptionCount()
double	getLoadExceptionRate()
long	getLoadSuccessCount()
long	getMissCount()
double	getMissRate()
@NotNull java.lang.String	getName()
long	getRequestCount()
long	getTotalLoadTime()
void	resetStats()
static java.lang.String	timeInWords(long nanos)

Methods inherited from class org.apache.jackrabbit.oak.commons.jmx.AnnotatedStandardMBean

getDescription, getDescription, getDescription, getDescription, getImpact, getParameterName

Methods inherited from class javax.management.StandardMBean

cacheMBeanInfo, getAttribute, getAttributes, getCachedMBeanInfo, getClassName, getConstructors, getDescription, getDescription, getDescription, getImplementation, getImplementationClass, getMBeanInfo, getMBeanInterface, getParameterName, invoke, postDeregister, postRegister, preDeregister, preRegister, setAttribute, setAttributes, setImplementation

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

estimateCurrentWeight, getElementCount, getMaxTotalWeight

Constructor Detail

AbstractCacheStats

protected AbstractCacheStats(@NotNull
                             @NotNull java.lang.String name)

Create a new CacheStatsMBean for a cache with the given name.

Parameters:

name -

Method Detail

getCurrentStats

protected abstract org.apache.jackrabbit.guava.common.cache.CacheStats getCurrentStats()

Call back invoked to retrieve the most recent CacheStats instance of the underlying cache.

resetStats

public void resetStats()

Specified by:

resetStats in interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

getName

@NotNull
public @NotNull java.lang.String getName()

Specified by:

getName in interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

getRequestCount

public long getRequestCount()

Specified by:

getRequestCount in interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

getHitCount

public long getHitCount()

Specified by:

getHitCount in interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

getHitRate

public double getHitRate()

Specified by:

getHitRate in interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

getMissCount

public long getMissCount()

Specified by:

getMissCount in interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

getMissRate

public double getMissRate()

Specified by:

getMissRate in interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

getLoadCount

public long getLoadCount()

Specified by:

getLoadCount in interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

getLoadSuccessCount

public long getLoadSuccessCount()

Specified by:

getLoadSuccessCount in interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

getLoadExceptionCount

public long getLoadExceptionCount()

Specified by:

getLoadExceptionCount in interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

getLoadExceptionRate

public double getLoadExceptionRate()

Specified by:

getLoadExceptionRate in interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

getTotalLoadTime

public long getTotalLoadTime()

Specified by:

getTotalLoadTime in interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

getAverageLoadPenalty

public double getAverageLoadPenalty()

Specified by:

getAverageLoadPenalty in interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

getEvictionCount

public long getEvictionCount()

Specified by:

getEvictionCount in interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

cacheInfoAsString

public java.lang.String cacheInfoAsString()

Specified by:

cacheInfoAsString in interface org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean

timeInWords

public static java.lang.String timeInWords(long nanos)