org.apache.tez.dag.app.rm.node

Class AMNodeTracker

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.tez.dag.app.rm.node.AMNodeTracker

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.service.Service, org.apache.hadoop.yarn.event.EventHandler<AMNodeEvent>

public class AMNodeTracker
extends org.apache.hadoop.service.AbstractService
implements org.apache.hadoop.yarn.event.EventHandler<AMNodeEvent>

Nested Class Summary

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

org.apache.hadoop.service.Service.STATE

Constructor Summary

Constructors

Constructor and Description
AMNodeTracker(org.apache.hadoop.yarn.event.EventHandler eventHandler, AppContext appContext)

Method Summary

Modifier and Type	Method and Description
void	dagComplete(DAG dag)
AMNode	get(org.apache.hadoop.yarn.api.records.NodeId nodeId, int schedulerId)
int	getNumNodes(int schedulerId) Retrieve the number of nodes from this source on which containers may be running This number may differ from the total number of nodes available from the source
void	handle(AMNodeEvent rEvent)
boolean	isBlacklistingIgnored(int schedulerId)
void	nodeSeen(org.apache.hadoop.yarn.api.records.NodeId nodeId, int schedulerId)
void	serviceInit(org.apache.hadoop.conf.Configuration conf)

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, serviceStart, serviceStop, 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

AMNodeTracker

public AMNodeTracker(org.apache.hadoop.yarn.event.EventHandler eventHandler,
                     AppContext appContext)

Method Detail

serviceInit

public void serviceInit(org.apache.hadoop.conf.Configuration conf)

Overrides:

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

nodeSeen

public void nodeSeen(org.apache.hadoop.yarn.api.records.NodeId nodeId,
                     int schedulerId)

handle

public void handle(AMNodeEvent rEvent)

Specified by:

handle in interface org.apache.hadoop.yarn.event.EventHandler<AMNodeEvent>

get

public AMNode get(org.apache.hadoop.yarn.api.records.NodeId nodeId,
                  int schedulerId)

getNumNodes

public int getNumNodes(int schedulerId)

Retrieve the number of nodes from this source on which containers may be running This number may differ from the total number of nodes available from the source

Parameters:

schedulerId - the schedulerId for which the node count is required

Returns:

the number of nodes from the scheduler on which containers have been allocated

isBlacklistingIgnored

@InterfaceAudience.Private
public boolean isBlacklistingIgnored(int schedulerId)

dagComplete

public void dagComplete(DAG dag)