Package org.apache.hadoop.mapreduce.v2.app.local

Class LocalContainerAllocator

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator

org.apache.hadoop.mapreduce.v2.app.local.LocalContainerAllocator

All Implemented Interfaces:

Closeable, AutoCloseable, ContainerAllocator, RMHeartbeatHandler, org.apache.hadoop.service.Service, org.apache.hadoop.yarn.event.EventHandler<ContainerAllocatorEvent>

public class LocalContainerAllocator
extends RMCommunicator
implements ContainerAllocator

Allocates containers locally. Doesn't allocate a real container; instead sends an allocated event for all requests.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator

RMCommunicator.AllocatorRunnable

Nested classes/interfaces inherited from interface org.apache.hadoop.mapreduce.v2.app.rm.ContainerAllocator

ContainerAllocator.EventType

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

org.apache.hadoop.service.Service.STATE

Field Summary

Fields

Modifier and Type	Field	Description
protected int	lastResponseID

Fields inherited from class org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator

allocatorThread, applicationACLs, applicationId, isSignalled, scheduler

Constructor Summary

Constructors

Constructor	Description
LocalContainerAllocator(ClientService clientService, AppContext context, String nmHost, int nmPort, int nmHttpPort, org.apache.hadoop.yarn.api.records.ContainerId cId)

Method Summary

Modifier and Type	Method	Description
void	handle(ContainerAllocatorEvent event)
protected void	heartbeat()
protected void	serviceInit(org.apache.hadoop.conf.Configuration conf)

Methods inherited from class org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator

createSchedulerProxy, doUnregistration, getApplicationProgress, getContext, getJob, getLastHeartbeatTime, getMaxContainerCapability, getSchedulerResourceTypes, isApplicationMasterRegistered, register, runOnNextHeartbeat, serviceStart, serviceStop, setShouldUnregister, setSignalled, startAllocatorThread, unregister

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

Field Details

lastResponseID

protected int lastResponseID

Constructor Details

LocalContainerAllocator

public LocalContainerAllocator(ClientService clientService,
 AppContext context,
 String nmHost,
 int nmPort,
 int nmHttpPort,
 org.apache.hadoop.yarn.api.records.ContainerId cId)

Method Details

serviceInit

protected void serviceInit(org.apache.hadoop.conf.Configuration conf)
                    throws Exception

Overrides:

serviceInit in class RMCommunicator

Throws:

Exception

heartbeat

protected void heartbeat()
                  throws Exception

Specified by:

heartbeat in class RMCommunicator

Throws:

Exception

handle

public void handle(ContainerAllocatorEvent event)

Specified by:

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