Package org.infinispan.stats.impl

Class ClusterContainerStatsImpl

java.lang.Object

org.infinispan.stats.impl.AbstractClusterStats

org.infinispan.stats.impl.ClusterContainerStatsImpl

All Implemented Interfaces:

JmxStatisticsExposer, ClusterContainerStats, ContainerStats

@MBean(objectName="ClusterContainerStats",
       description="General container statistics aggregated across the cluster.")
public class ClusterContainerStatsImpl
extends AbstractClusterStats
implements ClusterContainerStats

Since:

9.0

Author:

Ryan Emerson

Field Summary

Fields

Modifier and Type	Field	Description
static final long	DEFAULT_STALE_STATS_THRESHOLD
protected long	staleStatsThreshold
protected long	statsUpdateTimestamp

Fields inherited from interface org.infinispan.stats.ClusterContainerStats

OBJECT_NAME

Fields inherited from interface org.infinispan.stats.ContainerStats

LONG_ATTRIBUTES, MEMORY_AVAILABLE, MEMORY_MAX, MEMORY_TOTAL, MEMORY_USED

Constructor Summary

Constructors

Constructor	Description
ClusterContainerStatsImpl()

Method Summary

Modifier and Type	Method	Description
long	getMemoryAvailable()
long	getMemoryMax()
long	getMemoryTotal()
long	getMemoryUsed()
long	getStaleStatsThreshold()
protected Number	getStat(String attribute)
boolean	getStatisticsEnabled()	Returns whether an interceptor's statistics are being captured.
void	init(EmbeddedCacheManager cacheManager, GlobalConfiguration configuration)
void	reset()	Reset the collected statistics
void	reset()
void	resetStatistics()	Resets an interceptor's cache statistics
void	setStaleStatsThreshold(long threshold)
void	setStaleStatsThreshold(long staleStatsThreshold)
void	setStatisticsEnabled(boolean enabled)	Enables an interceptor's cache statistics If true, the interceptor will capture statistics and make them available through the mbean.
void	start()

Methods inherited from class org.infinispan.stats.impl.AbstractClusterStats

getStaleStatsThreshold, getTimeSinceReset, isStatisticsEnabled

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_STALE_STATS_THRESHOLD

public static final long DEFAULT_STALE_STATS_THRESHOLD

See Also:

• Constant Field Values

staleStatsThreshold

protected volatile long staleStatsThreshold

statsUpdateTimestamp

protected volatile long statsUpdateTimestamp

Constructor Details

ClusterContainerStatsImpl

public ClusterContainerStatsImpl()

Method Details

init

public void init(EmbeddedCacheManager cacheManager,
 GlobalConfiguration configuration)

start

public void start()

getMemoryAvailable

@ManagedAttribute(description="The maximum amount of free memory in bytes across the cluster JVMs",
                  displayName="Cluster wide available memory.",
                  clusterWide=true)
public long getMemoryAvailable()

Specified by:

getMemoryAvailable in interface ContainerStats

Returns:

the maximum amount of free memory in bytes across the cluster JVMs.

getMemoryMax

@ManagedAttribute(description="The maximum amount of memory that JVMs across the cluster will attempt to utilise in bytes",
                  displayName="Cluster wide max memory of JVMs",
                  clusterWide=true)
public long getMemoryMax()

Specified by:

getMemoryMax in interface ContainerStats

Returns:

the maximum amount of memory that JVMs across the cluster will attempt to utilise in bytes.

getMemoryTotal

@ManagedAttribute(description="The total amount of memory in the JVMs across the cluster in bytes",
                  displayName="Cluster wide total memory",
                  clusterWide=true)
public long getMemoryTotal()

Specified by:

getMemoryTotal in interface ContainerStats

Returns:

the total amount of memory in the JVMs across the cluster in bytes.

getMemoryUsed

@ManagedAttribute(description="The amount of memory used by JVMs across the cluster in bytes",
                  displayName="Cluster wide memory utilisation",
                  clusterWide=true)
public long getMemoryUsed()

Specified by:

getMemoryUsed in interface ContainerStats

Returns:

the amount of memory used by JVMs across the cluster in bytes.

getStaleStatsThreshold

long getStaleStatsThreshold()

Returns:

The time in milliseconds, to wait between requests before re-retrieving cluster wide stats

setStaleStatsThreshold

void setStaleStatsThreshold(long threshold)

Parameters:

threshold - the time in milliseconds, to wait between requests before re-retrieving cluster wide stats

reset

void reset()

Reset the collected statistics

reset

public void reset()

resetStatistics

@ManagedOperation(description="Resets statistics gathered by this component",
                  displayName="Reset statistics")
public void resetStatistics()

Description copied from interface: JmxStatisticsExposer

Resets an interceptor's cache statistics

Specified by:

resetStatistics in interface JmxStatisticsExposer

setStatisticsEnabled

public void setStatisticsEnabled(boolean enabled)

Description copied from interface: JmxStatisticsExposer

Enables an interceptor's cache statistics If true, the interceptor will capture statistics and make them available through the mbean.

Specified by:

setStatisticsEnabled in interface JmxStatisticsExposer

Parameters:

enabled - true if statistics should be captured

getStatisticsEnabled

public boolean getStatisticsEnabled()

Description copied from interface: JmxStatisticsExposer

Returns whether an interceptor's statistics are being captured.

Specified by:

getStatisticsEnabled in interface JmxStatisticsExposer

Returns:

true if statistics are captured

setStaleStatsThreshold

public void setStaleStatsThreshold(long staleStatsThreshold)

getStat

protected Number getStat(String attribute)