Package org.apache.geode.management

Class OSMetrics

java.lang.Object
org.apache.geode.management.OSMetrics
All Implemented Interfaces:
Serializable
public class OSMetrics extends Object implements Serializable
Composite data type used to distribute metrics for the operating system hosting a member of the distributed system.
Since:
GemFire 7.0
See Also:

  • Constructor Details

    • OSMetrics

      @ConstructorProperties({"maxFileDescriptorCount","openFileDescriptorCount","processCpuTime","committedVirtualMemorySize","totalPhysicalMemorySize","freePhysicalMemorySize","totalSwapSpaceSize","freeSwapSpaceSize","name","version","arch","availableProcessors","systemLoadAverage"}) public OSMetrics(long maxFileDescriptorCount, long openFileDescriptorCount, long processCpuTime, long committedVirtualMemorySize, long totalPhysicalMemorySize, long freePhysicalMemorySize, long totalSwapSpaceSize, long freeSwapSpaceSize, String name, String version, String arch, int availableProcessors, double systemLoadAverage)
      This constructor is to be used by internal JMX framework only. User should not try to create an instance of this class.
      Parameters:
      maxFileDescriptorCount - the maximum number of open file descriptors allowed by the operating system
      openFileDescriptorCount - the current number of open file descriptors
      processCpuTime - the amount of time (in nanoseconds) used by the member's process
      committedVirtualMemorySize - the current number of megabytes of memory allocated
      totalPhysicalMemorySize - the number of megabytes of free memory available to the operating system
      freePhysicalMemorySize - the number of megabytes of free memory available to the operating system
      totalSwapSpaceSize - the number of megabytes of swap space allocated
      freeSwapSpaceSize - the number of megabytes of free swap space
      name - the name of the operating system
      version - the version of the operating system
      arch - the hardware architecture
      availableProcessors - the number of available processors
      systemLoadAverage - the system load average

  • Method Details

    • getMaxFileDescriptorCount

      public long getMaxFileDescriptorCount()
      Returns the maximum number of open file descriptors allowed by the operating system.
      Returns:
      the maximum number of open file descriptors allowed by the operating system

    • getOpenFileDescriptorCount

      public long getOpenFileDescriptorCount()
      Returns the current number of open file descriptors.
      Returns:
      the current number of open file descriptors

    • getProcessCpuTime

      public long getProcessCpuTime()
      Returns the amount of time (in nanoseconds) used by the member's process.
      Returns:
      the amount of time (in nanoseconds) used by the member's process

    • getCommittedVirtualMemorySize

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

    • getTotalPhysicalMemorySize

      public long getTotalPhysicalMemorySize()
      Returns the number of megabytes of memory available to the operating system.
      Returns:
      the number of megabytes of free memory available to the operating system

    • getFreePhysicalMemorySize

      public long getFreePhysicalMemorySize()
      Returns the number of megabytes of free memory available to the operating system.
      Returns:
      the number of megabytes of free memory available to the operating system

    • getTotalSwapSpaceSize

      public long getTotalSwapSpaceSize()
      Returns the number of megabytes of swap space allocated.
      Returns:
      the number of megabytes of swap space allocated

    • getFreeSwapSpaceSize

      public long getFreeSwapSpaceSize()
      Returns the number of megabytes of free swap space.
      Returns:
      the number of megabytes of free swap space

    • getName

      public String getName()
      Returns the name of the operating system.
      Returns:
      the name of the operating system

    • getVersion

      public String getVersion()
      Returns the version of the operating system.
      Returns:
      the version of the operating system

    • getArch

      public String getArch()
      Returns the hardware architecture.
      Returns:
      the hardware architecture

    • getAvailableProcessors

      public int getAvailableProcessors()
      Returns the number of available processors.
      Returns:
      the number of available processors

    • getSystemLoadAverage

      public double getSystemLoadAverage()
      Returns the system load average.
      Returns:
      the system load average

    • toString

      public String toString()
      String representation of OSMetrics
      Overrides:
      toString in class Object