Package org.apache.geode.management

Class JVMMetrics

  • java.lang.Object
    • org.apache.geode.management.JVMMetrics
  • All Implemented Interfaces:
    java.io.Serializable
    public class JVMMetrics
extends java.lang.Object
implements java.io.Serializable
    Composite data type used to distribute metrics for the JVM running a GemFire member.
    Since:
    GemFire 7.0
    See Also:
    Serialized Form

    • Constructor Summary

      Constructors 
      Constructor Description
      JVMMetrics​(long gcCount, long gcTimeMillis, long initMemory, long committedMemory, long usedMemory, long maxMemory, int totalThreads)
      This constructor is to be used by internal JMX framework only.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      long getCommittedMemory()
      Returns the current number of megabytes of memory allocated.
      long getGcCount()
      Returns the number of times garbage collection has occurred.
      long getGcTimeMillis()
      Returns the amount of time (in milliseconds) spent on garbage collection.
      long getInitMemory()
      Returns the initial number of megabytes of memory requested from the operating system.
      long getMaxMemory()
      Returns the maximum number of megabytes of memory available from the operating system.
      int getTotalThreads()
      Returns the number of threads in use.
      long getUsedMemory()
      Returns the current number of megabytes of memory being used.
      java.lang.String toString()
      String representation of JVMMetrics

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • JVMMetrics

        @ConstructorProperties({"gcCount","gcTimeMillis","initMemory","committedMemory","usedMemory","maxMemory","totalThreads"})
public JVMMetrics​(long gcCount,
                  long gcTimeMillis,
                  long initMemory,
                  long committedMemory,
                  long usedMemory,
                  long maxMemory,
                  int totalThreads)
        This constructor is to be used by internal JMX framework only. User should not try to create an instance of this class.
        Parameters:
        gcCount - the number of times garbage collection has occurred
        gcTimeMillis - the amount of time (in milliseconds) spent on garbage collection
        initMemory - the initial number of megabytes of memory requested from the operating system
        committedMemory - the current number of megabytes of memory allocated
        usedMemory - the current number of megabytes of memory being used
        maxMemory - the maximum number of megabytes of memory available from the operating system
        totalThreads - he number of threads in use

    • Method Detail

      • getGcCount

        public long getGcCount()
        Returns the number of times garbage collection has occurred.
        Returns:
        the number of times garbage collection has occurred

      • getGcTimeMillis

        public long getGcTimeMillis()
        Returns the amount of time (in milliseconds) spent on garbage collection.
        Returns:
        the amount of time (in milliseconds) spent on garbage collection

      • getInitMemory

        public long getInitMemory()
        Returns the initial number of megabytes of memory requested from the operating system.
        Returns:
        the initial number of megabytes of memory requested from the operating system

      • getCommittedMemory

        public long getCommittedMemory()
        Returns the current number of megabytes of memory allocated.
        Returns:
        the current number of megabytes of memory allocated

      • getUsedMemory

        public long getUsedMemory()
        Returns the current number of megabytes of memory being used.
        Returns:
        the current number of megabytes of memory being used

      • getMaxMemory

        public long getMaxMemory()
        Returns the maximum number of megabytes of memory available from the operating system.
        Returns:
        the maximum number of megabytes of memory available from the operating system

      • getTotalThreads

        public int getTotalThreads()
        Returns the number of threads in use.
        Returns:
        the number of threads in use

      • toString

        public java.lang.String toString()
        String representation of JVMMetrics
        Overrides:
        toString in class java.lang.Object