Package org.apache.hadoop.yarn.server.resourcemanager.scheduler.placement

Class MultiNodeSorter<N extends SchedulerNode>

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.hadoop.yarn.server.resourcemanager.scheduler.placement.MultiNodeSorter<N>

Type Parameters:

N - extends SchedulerNode.

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.hadoop.service.Service

public class MultiNodeSorter<N extends SchedulerNode>
extends org.apache.hadoop.service.AbstractService

Common node sorting class which will do sorting based on policy spec.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.service.Service

org.apache.hadoop.service.Service.STATE

Constructor Summary

Constructors

Constructor	Description
MultiNodeSorter(RMContext rmContext, MultiNodePolicySpec policy)

Method Summary

Modifier and Type	Method	Description
MultiNodeLookupPolicy<N>	getMultiNodeLookupPolicy()
boolean	isSorterThreadRunning()	Verify whether sorter thread is running or not.
void	reSortClusterNodes()
void	serviceInit(org.apache.hadoop.conf.Configuration conf)
void	serviceStart()
void	serviceStop()

Methods inherited from class org.apache.hadoop.service.AbstractService

close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiNodeSorter

public MultiNodeSorter(RMContext rmContext,
                       MultiNodePolicySpec policy)

Method Detail

getMultiNodeLookupPolicy

@VisibleForTesting
public MultiNodeLookupPolicy<N> getMultiNodeLookupPolicy()

serviceInit

public void serviceInit(org.apache.hadoop.conf.Configuration conf)
                 throws java.lang.Exception

Overrides:

serviceInit in class org.apache.hadoop.service.AbstractService

Throws:

java.lang.Exception

serviceStart

public void serviceStart()
                  throws java.lang.Exception

Overrides:

serviceStart in class org.apache.hadoop.service.AbstractService

Throws:

java.lang.Exception

serviceStop

public void serviceStop()
                 throws java.lang.Exception

Overrides:

serviceStop in class org.apache.hadoop.service.AbstractService

Throws:

java.lang.Exception

reSortClusterNodes

@VisibleForTesting
public void reSortClusterNodes()

isSorterThreadRunning

public boolean isSorterThreadRunning()

Verify whether sorter thread is running or not.

Returns:

true if sorter thread is running, false otherwise.