Package org.infinispan.stats.impl

Class LocalContainerStatsImpl

java.lang.Object

org.infinispan.stats.impl.LocalContainerStatsImpl

All Implemented Interfaces:

JmxStatisticsExposer, ContainerStats

@MBean(objectName="LocalContainerStats",
       description="General statistic of local container.")
public class LocalContainerStatsImpl
extends Object
implements ContainerStats

Provide statistics of the local JVM instance. When the statistics collection is disabled, we return -1.

Since:

14.0

Author:

José Bolina

Field Summary

Fields

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

Fields inherited from interface org.infinispan.stats.ContainerStats

LONG_ATTRIBUTES, MEMORY_AVAILABLE, MEMORY_MAX, MEMORY_TOTAL, MEMORY_USED

Constructor Summary

Constructors

Constructor	Description
LocalContainerStatsImpl()

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.
long	getTimeSinceReset()
void	init(GlobalConfiguration configuration)
boolean	isStatisticsEnabled()
void	reset()
void	resetStatistics()	Resets an interceptor's cache statistics
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.

Methods inherited from class java.lang.Object

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

Field Details

LOCAL_CONTAINER_STATS

public static final String LOCAL_CONTAINER_STATS

See Also:

• Constant Field Values

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

LocalContainerStatsImpl

public LocalContainerStatsImpl()

Method Details

init

public void init(GlobalConfiguration configuration)

getMemoryAvailable

@ManagedAttribute(description="The maximum amount of free memory in bytes in local JVM",
                  displayName="Local available memory.")
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 in local JVM will attempt to utilise in bytes",
                  displayName="Local JVM max memory")
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 local JVM in bytes",
                  displayName="Local total memory")
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 the local JVM in bytes",
                  displayName="Local memory utilisation")
public long getMemoryUsed()

Specified by:

getMemoryUsed in interface ContainerStats

Returns:

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

getStaleStatsThreshold

@ManagedAttribute(description="Gets the threshold for cluster wide stats refresh (milliseconds)",
                  displayName="Stale Stats Threshold",
                  dataType=TRAIT,
                  writable=true)
public long getStaleStatsThreshold()

getTimeSinceReset

@ManagedAttribute(description="Number of seconds since the statistics were last reset",
                  displayName="Seconds since statistics were reset",
                  units=SECONDS)
public long getTimeSinceReset()

isStatisticsEnabled

@ManagedAttribute(description="Enables or disables the gathering of statistics by this component",
                  displayName="Statistics enabled",
                  dataType=TRAIT,
                  writable=true)
public boolean isStatisticsEnabled()

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)