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

Class NumaNodeResource

java.lang.Object

org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.numa.NumaNodeResource

public class NumaNodeResource
extends java.lang.Object

NumaNodeResource class holds the NUMA node topology with the total and used resources.

Constructor Summary

Constructors

Constructor	Description
NumaNodeResource(java.lang.String nodeId, long totalMemory, int totalCpus)

Method Summary

Modifier and Type	Method	Description
int	assignAvailableCpus(int cpusreq, org.apache.hadoop.yarn.api.records.ContainerId containerId)	Assigns available cpu's and returns the remaining needed cpu's.
long	assignAvailableMemory(long memreq, org.apache.hadoop.yarn.api.records.ContainerId containerId)	Assigns available memory and returns the remaining needed memory.
void	assignResources(org.apache.hadoop.yarn.api.records.Resource resource, org.apache.hadoop.yarn.api.records.ContainerId containerId)	Assigns the requested resources for Container.
boolean	equals(java.lang.Object obj)
java.lang.String	getNodeId()
int	hashCode()
boolean	isResourcesAvailable(org.apache.hadoop.yarn.api.records.Resource resource)	Checks whether the specified resources available or not.
void	recoverCpus(org.apache.hadoop.yarn.api.records.ContainerId containerId, int cpus)	Recovers the cpu's resources for Container.
void	recoverMemory(org.apache.hadoop.yarn.api.records.ContainerId containerId, long memory)	Recovers the memory resources for Container.
void	releaseResources(org.apache.hadoop.yarn.api.records.ContainerId containerId)	Releases the assigned resources for Container.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

NumaNodeResource

public NumaNodeResource(java.lang.String nodeId,
                        long totalMemory,
                        int totalCpus)

Method Detail

isResourcesAvailable

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

Checks whether the specified resources available or not.

Parameters:

resource - resource

Returns:

whether the specified resources available or not

assignAvailableMemory

public long assignAvailableMemory(long memreq,
                                  org.apache.hadoop.yarn.api.records.ContainerId containerId)

Assigns available memory and returns the remaining needed memory.

Parameters:

memreq - required memory

containerId - which container memory to assign

Returns:

remaining needed memory

assignAvailableCpus

public int assignAvailableCpus(int cpusreq,
                               org.apache.hadoop.yarn.api.records.ContainerId containerId)

Assigns available cpu's and returns the remaining needed cpu's.

Parameters:

cpusreq - required cpu's

containerId - which container cpu's to assign

Returns:

remaining needed cpu's

assignResources

public void assignResources(org.apache.hadoop.yarn.api.records.Resource resource,
                            org.apache.hadoop.yarn.api.records.ContainerId containerId)

Assigns the requested resources for Container.

Parameters:

resource - resource to assign

containerId - to which container the resources to assign

releaseResources

public void releaseResources(org.apache.hadoop.yarn.api.records.ContainerId containerId)

Releases the assigned resources for Container.

Parameters:

containerId - to which container the assigned resources to release

recoverMemory

public void recoverMemory(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                          long memory)

Recovers the memory resources for Container.

Parameters:

containerId - recover the memory resources for the Container

memory - memory to recover

recoverCpus

public void recoverCpus(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                        int cpus)

Recovers the cpu's resources for Container.

Parameters:

containerId - recover the cpu's resources for the Container

cpus - cpu's to recover

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

getNodeId

public java.lang.String getNodeId()