Package org.glassfish.admin.monitor.jvm

Class JVMGCStatsProvider

java.lang.Object

org.glassfish.admin.monitor.jvm.JVMGCStatsProvider

@AMXMetadata(type="garbage-collector-mon",
             group="monitoring")
@ManagedObject
@Description("JVM Garbage Collectors Statistics")
public class JVMGCStatsProvider
extends Object

Provides the MBean for JVM Garbage Collectors Statistics

The MBean produced from this is of the format amx:pp=/mon/server-mon[server],type=garbage-collector-mon,name=jvm/garbage-collectors/PS MarkSweep and can be enabled by turning the Jvm monitoring level in the admin console to LOW

Since:

v2

Constructor Summary

Constructors

Constructor	Description
JVMGCStatsProvider(String gcName)

Method Summary

Modifier and Type	Method	Description
org.glassfish.external.statistics.CountStatistic	getCollectionCount()	Gets the total number of collections that have occurred
org.glassfish.external.statistics.CountStatistic	getCollectionTime()	Gets the approximate accumulated collection elapsed time
String	getGcName()

Methods inherited from class java.lang.Object

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

Constructor Detail

JVMGCStatsProvider

public JVMGCStatsProvider(String gcName)

Method Detail

getGcName

public String getGcName()

getCollectionCount

@ManagedAttribute(id="collectioncount-count")
@Description("total number of collections that have occurred")
public org.glassfish.external.statistics.CountStatistic getCollectionCount()

Gets the total number of collections that have occurred

Returns:

a CountStatistic with the number of collections

getCollectionTime

@ManagedAttribute(id="collectiontime-count")
@Description("approximate accumulated collection elapsed time in milliseconds")
public org.glassfish.external.statistics.CountStatistic getCollectionTime()

Gets the approximate accumulated collection elapsed time

Returns:

a CountStatistic with the time in milliseconds