org.apache.hadoop.yarn.util
Class WindowsResourceCalculatorPlugin

java.lang.Object
  org.apache.hadoop.conf.Configured
      org.apache.hadoop.yarn.util.ResourceCalculatorPlugin
          org.apache.hadoop.yarn.util.WindowsResourceCalculatorPlugin

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable

@InterfaceAudience.Private
public class WindowsResourceCalculatorPlugin
extends ResourceCalculatorPlugin

Field Summary

Fields inherited from class org.apache.hadoop.yarn.util.ResourceCalculatorPlugin

processPid

Constructor Summary

WindowsResourceCalculatorPlugin()

Method Summary

long	getAvailablePhysicalMemorySize() Obtain the total size of the available physical memory present in the system.
long	getAvailableVirtualMemorySize() Obtain the total size of the available virtual memory present in the system.
long	getCpuFrequency() Obtain the CPU frequency of on the system.
float	getCpuUsage() Obtain the CPU usage % of the machine.
long	getCumulativeCpuTime() Obtain the cumulative CPU time since the system is on.
int	getNumProcessors() Obtain the total number of processors present on the system.
long	getPhysicalMemorySize() Obtain the total size of the physical memory present in the system.
long	getVirtualMemorySize() Obtain the total size of the virtual memory present in the system.

Methods inherited from class org.apache.hadoop.yarn.util.ResourceCalculatorPlugin

getResourceCalculatorPlugin, setProcessPid

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

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

Constructor Detail

WindowsResourceCalculatorPlugin

public WindowsResourceCalculatorPlugin()

Method Detail

getVirtualMemorySize

public long getVirtualMemorySize()

Obtain the total size of the virtual memory present in the system.

Specified by:

getVirtualMemorySize in class ResourceCalculatorPlugin

Returns:

virtual memory size in bytes.

getPhysicalMemorySize

public long getPhysicalMemorySize()

Obtain the total size of the physical memory present in the system.

Specified by:

getPhysicalMemorySize in class ResourceCalculatorPlugin

Returns:

physical memory size bytes.

getAvailableVirtualMemorySize

public long getAvailableVirtualMemorySize()

Obtain the total size of the available virtual memory present in the system.

Specified by:

getAvailableVirtualMemorySize in class ResourceCalculatorPlugin

Returns:

available virtual memory size in bytes.

getAvailablePhysicalMemorySize

public long getAvailablePhysicalMemorySize()

Obtain the total size of the available physical memory present in the system.

Specified by:

getAvailablePhysicalMemorySize in class ResourceCalculatorPlugin

Returns:

available physical memory size bytes.

getNumProcessors

public int getNumProcessors()

Obtain the total number of processors present on the system.

Specified by:

getNumProcessors in class ResourceCalculatorPlugin

Returns:

number of processors

getCpuFrequency

public long getCpuFrequency()

Obtain the CPU frequency of on the system.

Specified by:

getCpuFrequency in class ResourceCalculatorPlugin

Returns:

CPU frequency in kHz

getCumulativeCpuTime

public long getCumulativeCpuTime()

Obtain the cumulative CPU time since the system is on.

Specified by:

getCumulativeCpuTime in class ResourceCalculatorPlugin

Returns:

cumulative CPU time in milliseconds

getCpuUsage

public float getCpuUsage()

Obtain the CPU usage % of the machine. Return -1 if it is unavailable

Specified by:

getCpuUsage in class ResourceCalculatorPlugin

Returns:

CPU usage in %