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

allocatorThread, applicationACLs, applicationId, isSignalled, lastResponseID, scheduler

Constructor Summary

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

Method Summary

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, 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

Constructor Detail

LocalContainerAllocator

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

Method Detail

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>