Package org.glassfish.admin.monitor.jvm

Class JVMMemoryStatsProvider

  • @AMXMetadata(type="memory-mon",
             group="monitoring")
@ManagedObject
@Description("JVM Memory Statistics")
public class JVMMemoryStatsProvider
extends Object
    Class providing the MBean for JVM memory statistics

    The MBean will be of the format amx:pp=/mon/server-mon[server],type=memory-mon,name=jvm/memory and can be enabled by turning the Jvm monitoring level in the admin console to LOW

    Since:
    v2

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      org.glassfish.external.statistics.CountStatistic getCommittedHeap()
      Gets the amount of memory that is committed for the Java virtual machine to use
      org.glassfish.external.statistics.CountStatistic getCommittedNonHeap()
      Gets the amount of memory in bytes that is committed for the Java virtual machine to use
      org.glassfish.external.statistics.CountStatistic getHeapUsage()  
      org.glassfish.external.statistics.CountStatistic getInitHeap()
      Gets the amount of memory that the Java virtual machine initially requests from the operating system for memory management
      org.glassfish.external.statistics.CountStatistic getInitNonHeap()
      Gets the amount of memory that the Java virtual machine initially requests from the operating system for memory management
      org.glassfish.external.statistics.CountStatistic getMaxHeap()
      Gets the maximum amount of memory that can be used for memory management
      org.glassfish.external.statistics.CountStatistic getMaxNonHeap()
      Gets the maximum amount of memory that can be used for memory management
      org.glassfish.external.statistics.CountStatistic getObjectPendingFinalizationCount()
      Gets the approximate number of objects for which finalization is pending
      org.glassfish.external.statistics.CountStatistic getUsedHeap()
      Gets the amount of used memory
      org.glassfish.external.statistics.CountStatistic getUsedNonHeap()
      Gets the amount of used memory

    • Constructor Detail

      • JVMMemoryStatsProvider

        public JVMMemoryStatsProvider()

    • Method Detail

      • getCommittedHeap

        @ManagedAttribute(id="committedheapsize-count")
@Description("amount of memory in bytes that is committed for the Java virtual machine to use")
public org.glassfish.external.statistics.CountStatistic getCommittedHeap()
        Gets the amount of memory that is committed for the Java virtual machine to use
        Returns:
        a CountStatistic with the amount of memory in bytes

      • getInitHeap

        @ManagedAttribute(id="initheapsize-count")
@Description("amount of memory in bytes that the Java virtual machine initially requests from the operating system for memory management")
public org.glassfish.external.statistics.CountStatistic getInitHeap()
        Gets the amount of memory that the Java virtual machine initially requests from the operating system for memory management
        Returns:
        a CountStatistic with the amount of memory in bytes

      • getMaxHeap

        @ManagedAttribute(id="maxheapsize-count")
@Description("maximum amount of memory in bytes that can be used for memory management")
public org.glassfish.external.statistics.CountStatistic getMaxHeap()
        Gets the maximum amount of memory that can be used for memory management
        Returns:
        a CountStatistic with the amount of memory in bytes

      • getUsedHeap

        @ManagedAttribute(id="usedheapsize-count")
@Description("amount of used memory in bytes")
public org.glassfish.external.statistics.CountStatistic getUsedHeap()
        Gets the amount of used memory
        Returns:
        a CountStatistic with the amount of memory in bytes

      • getCommittedNonHeap

        @ManagedAttribute(id="committednonheapsize-count")
@Description("amount of memory in bytes that is committed for the Java virtual machine to use")
public org.glassfish.external.statistics.CountStatistic getCommittedNonHeap()
        Gets the amount of memory in bytes that is committed for the Java virtual machine to use
        Returns:
        a CountStatistic with the amount of memory in bytes

      • getInitNonHeap

        @ManagedAttribute(id="initnonheapsize-count")
@Description("amount of memory in bytes that the Java virtual machine initially requests from the operating system for memory management")
public org.glassfish.external.statistics.CountStatistic getInitNonHeap()
        Gets the amount of memory that the Java virtual machine initially requests from the operating system for memory management
        Returns:
        a CountStatistic with the amount of memory in bytes

      • getMaxNonHeap

        @ManagedAttribute(id="maxnonheapsize-count")
@Description("maximum amount of memory in bytes that can be used for memory management")
public org.glassfish.external.statistics.CountStatistic getMaxNonHeap()
        Gets the maximum amount of memory that can be used for memory management
        Returns:
        a CountStatistic with the amount of memory in bytes

      • getUsedNonHeap

        @ManagedAttribute(id="usednonheapsize-count")
@Description("amount of used memory in bytes")
public org.glassfish.external.statistics.CountStatistic getUsedNonHeap()
        Gets the amount of used memory
        Returns:
        a CountStatistic with the amount of memory in bytes

      • getObjectPendingFinalizationCount

        @ManagedAttribute(id="objectpendingfinalizationcount-count")
@Description("approximate number of objects for which finalization is pending")
public org.glassfish.external.statistics.CountStatistic getObjectPendingFinalizationCount()
        Gets the approximate number of objects for which finalization is pending
        Returns:
        a CountStatistic with the number of objects

      • getHeapUsage

        @ManagedAttribute(id="heapusage")
@Description("Percent of total heap that is already used")
public org.glassfish.external.statistics.CountStatistic getHeapUsage()