Package org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources

Class CombinedResourceCalculator

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree

org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.CombinedResourceCalculator

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable

public class CombinedResourceCalculator
extends org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree

CombinedResourceCalculator is a resource calculator that uses cgroups but it is backward compatible with procfs in terms of virtual memory usage.

Field Summary

Fields

Modifier and Type	Field	Description
protected static org.slf4j.Logger	LOG

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

UNAVAILABLE

Constructor Summary

Constructors

Constructor	Description
CombinedResourceCalculator(java.lang.String pid)

Method Summary

Modifier and Type	Method	Description
boolean	checkPidPgrpidForMatch()
float	getCpuUsagePercent()
long	getCumulativeCpuTime()
java.lang.String	getProcessTreeDump()
long	getRssMemorySize(int olderThanAge)
long	getVirtualMemorySize(int olderThanAge)
void	initialize()
void	updateProcessTree()

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

getResourceCalculatorProcessTree, getRssMemorySize, getVirtualMemorySize

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

Field Detail

LOG

protected static final org.slf4j.Logger LOG

Constructor Detail

CombinedResourceCalculator

public CombinedResourceCalculator(java.lang.String pid)

Method Detail

initialize

public void initialize()
                throws org.apache.hadoop.yarn.exceptions.YarnException

Overrides:

initialize in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree

Throws:

org.apache.hadoop.yarn.exceptions.YarnException

updateProcessTree

public void updateProcessTree()

Specified by:

updateProcessTree in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree

getProcessTreeDump

public java.lang.String getProcessTreeDump()

Specified by:

getProcessTreeDump in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree

getCpuUsagePercent

public float getCpuUsagePercent()

Overrides:

getCpuUsagePercent in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree

checkPidPgrpidForMatch

public boolean checkPidPgrpidForMatch()

Specified by:

checkPidPgrpidForMatch in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree

getCumulativeCpuTime

public long getCumulativeCpuTime()

Overrides:

getCumulativeCpuTime in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree

getRssMemorySize

public long getRssMemorySize(int olderThanAge)

Overrides:

getRssMemorySize in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree

getVirtualMemorySize

public long getVirtualMemorySize(int olderThanAge)

Overrides:

getVirtualMemorySize in class org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree