Package org.apache.hadoop.yarn.server.nodemanager.containermanager.scheduler

Class AllocationBasedResourceUtilizationTracker

java.lang.Object

org.apache.hadoop.yarn.server.nodemanager.containermanager.scheduler.AllocationBasedResourceUtilizationTracker

All Implemented Interfaces:

ResourceUtilizationTracker

public class AllocationBasedResourceUtilizationTracker
extends Object
implements ResourceUtilizationTracker

An implementation of the ResourceUtilizationTracker that equates resource utilization with the total resource allocated to the container.

Method Summary

Modifier and Type	Method	Description
void	addContainerResources(Container container)	Add Container's resources to the accumulated Utilization.
ContainersMonitor	getContainersMonitor()
org.apache.hadoop.yarn.api.records.ResourceUtilization	getCurrentUtilization()	Get the accumulation of totally allocated resources to a container.
boolean	hasResourcesAvailable(org.apache.hadoop.yarn.api.records.Resource resource)	Check if NM has resources available currently to run requested resources.
boolean	hasResourcesAvailable(Container container)	Check if NM has resources available currently to run the container.
void	subtractContainerResource(Container container)	Subtract Container's resources to the accumulated Utilization.

Methods inherited from class java.lang.Object

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

Method Details

getCurrentUtilization

public org.apache.hadoop.yarn.api.records.ResourceUtilization getCurrentUtilization()

Get the accumulation of totally allocated resources to a container.

Specified by:

getCurrentUtilization in interface ResourceUtilizationTracker

Returns:

ResourceUtilization Resource Utilization.

addContainerResources

public void addContainerResources(Container container)

Add Container's resources to the accumulated Utilization.

Specified by:

addContainerResources in interface ResourceUtilizationTracker

Parameters:

container - Container.

subtractContainerResource

public void subtractContainerResource(Container container)

Subtract Container's resources to the accumulated Utilization.

Specified by:

subtractContainerResource in interface ResourceUtilizationTracker

Parameters:

container - Container.

hasResourcesAvailable

public boolean hasResourcesAvailable(Container container)

Check if NM has resources available currently to run the container.

Specified by:

hasResourcesAvailable in interface ResourceUtilizationTracker

Parameters:

container - Container.

Returns:

True, if NM has resources available currently to run the container.

hasResourcesAvailable

public boolean hasResourcesAvailable(org.apache.hadoop.yarn.api.records.Resource resource)

Description copied from interface: ResourceUtilizationTracker

Check if NM has resources available currently to run requested resources.

Specified by:

hasResourcesAvailable in interface ResourceUtilizationTracker

Parameters:

resource - the resources.

Returns:

True, if NM has enough available resources.

getContainersMonitor

public ContainersMonitor getContainersMonitor()