org.apache.hadoop.yarn.server.nodemanager.util

Class CgroupsLCEResourcesHandler

java.lang.Object

org.apache.hadoop.yarn.server.nodemanager.util.CgroupsLCEResourcesHandler

All Implemented Interfaces:

Configurable, LCEResourcesHandler

public class CgroupsLCEResourcesHandler
extends Object
implements LCEResourcesHandler

Constructor Summary

Constructors

Constructor and Description
CgroupsLCEResourcesHandler()

Method Summary

Methods

Modifier and Type	Method and Description
Configuration	getConf() Return the configuration used by this object.
String	getResourcesOption(ContainerId containerId)
void	init(LinuxContainerExecutor lce)
void	postExecute(ContainerId containerId) Called by the LinuxContainerExecutor after the executable inside the container has exited (successfully or not).
void	preExecute(ContainerId containerId, Resource containerResource) Called by the LinuxContainerExecutor before launching the executable inside the container.
void	setConf(Configuration conf) Set the configuration to be used by this object.

Methods inherited from class java.lang.Object

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

Constructor Detail

CgroupsLCEResourcesHandler

public CgroupsLCEResourcesHandler()

Method Detail

setConf

public void setConf(Configuration conf)

Description copied from interface: Configurable

Set the configuration to be used by this object.

Specified by:

setConf in interface Configurable

getConf

public Configuration getConf()

Description copied from interface: Configurable

Return the configuration used by this object.

Specified by:

getConf in interface Configurable

init

public void init(LinuxContainerExecutor lce)
          throws IOException

Specified by:

init in interface LCEResourcesHandler

Throws:

IOException

preExecute

public void preExecute(ContainerId containerId,
              Resource containerResource)
                throws IOException

Description copied from interface: LCEResourcesHandler

Called by the LinuxContainerExecutor before launching the executable inside the container.

Specified by:

preExecute in interface LCEResourcesHandler

Parameters:

containerId - the id of the container being launched

containerResource - the node resources the container will be using

Throws:

IOException

postExecute

public void postExecute(ContainerId containerId)

Description copied from interface: LCEResourcesHandler

Called by the LinuxContainerExecutor after the executable inside the container has exited (successfully or not).

Specified by:

postExecute in interface LCEResourcesHandler

Parameters:

containerId - the id of the container which was launched

getResourcesOption

public String getResourcesOption(ContainerId containerId)

Specified by:

getResourcesOption in interface LCEResourcesHandler