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

Class ResourceMappings

java.lang.Object

org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ResourceMappings

public class ResourceMappings
extends Object

This class is used to store assigned resource to a single container by resource types. Assigned resource could be list of String For example, we can assign container to: "numa": ["numa0"] "gpu": ["0", "1", "2", "3"] "fpga": ["1", "3"] This will be used for NM restart container recovery.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ResourceMappings.AssignedResources	Stores resources assigned to a container for a given resource type.

Constructor Summary

Constructors

Constructor	Description
ResourceMappings()

Method Summary

Modifier and Type	Method	Description
void	addAssignedResources(String resourceType, ResourceMappings.AssignedResources assigned)	Adds the resources for a given resource type.
List<Serializable>	getAssignedResources(String resourceType)	Get all resource mappings.

Methods inherited from class java.lang.Object

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

Constructor Details

ResourceMappings

public ResourceMappings()

Method Details

getAssignedResources

public List<Serializable> getAssignedResources(String resourceType)

Get all resource mappings.

Parameters:

resourceType - resourceType

Returns:

map of resource mapping

addAssignedResources

public void addAssignedResources(String resourceType,
 ResourceMappings.AssignedResources assigned)

Adds the resources for a given resource type.

Parameters:

resourceType - Resource Type

assigned - Assigned resources to add