org.apache.hadoop.mapreduce.v2.app.rm
Class RMContainerRequestor

java.lang.Object
  org.apache.hadoop.service.AbstractService
      org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator
          org.apache.hadoop.mapreduce.v2.app.rm.RMContainerRequestor

All Implemented Interfaces:

Closeable, RMHeartbeatHandler, org.apache.hadoop.service.Service

Direct Known Subclasses:

RMContainerAllocator

public abstract class RMContainerRequestor
extends RMCommunicator

Keeps the data structures to send container requests to RM.

Nested Class Summary

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, eventHandler, isSignalled, scheduler

Constructor Summary

RMContainerRequestor(ClientService clientService, AppContext context)

Method Summary

protected void	addContainerReq(org.apache.hadoop.mapreduce.v2.app.rm.RMContainerRequestor.ContainerRequest req)
protected void	computeIgnoreBlacklisting()
protected void	containerFailedOnHost(String hostName)
protected void	decContainerReq(org.apache.hadoop.mapreduce.v2.app.rm.RMContainerRequestor.ContainerRequest req)
protected org.apache.hadoop.yarn.api.records.Resource	getAvailableResources()
Set<String>	getBlacklistedNodes()
protected org.apache.hadoop.mapreduce.v2.app.rm.RMContainerRequestor.ContainerRequest	getFilteredContainerRequest(org.apache.hadoop.mapreduce.v2.app.rm.RMContainerRequestor.ContainerRequest orig)
protected boolean	isNodeBlacklisted(String hostname)
protected org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse	makeRemoteRequest()
protected void	release(org.apache.hadoop.yarn.api.records.ContainerId containerId)
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, heartbeat, 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

RMContainerRequestor

public RMContainerRequestor(ClientService clientService,
                            AppContext context)

Method Detail

serviceInit

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

Overrides:

serviceInit in class RMCommunicator

Throws:

Exception

makeRemoteRequest

protected org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse makeRemoteRequest()
                                                                                 throws IOException

Throws:

IOException

computeIgnoreBlacklisting

protected void computeIgnoreBlacklisting()

containerFailedOnHost

protected void containerFailedOnHost(String hostName)

getAvailableResources

protected org.apache.hadoop.yarn.api.records.Resource getAvailableResources()

addContainerReq

protected void addContainerReq(org.apache.hadoop.mapreduce.v2.app.rm.RMContainerRequestor.ContainerRequest req)

decContainerReq

protected void decContainerReq(org.apache.hadoop.mapreduce.v2.app.rm.RMContainerRequestor.ContainerRequest req)

release

protected void release(org.apache.hadoop.yarn.api.records.ContainerId containerId)

isNodeBlacklisted

protected boolean isNodeBlacklisted(String hostname)

getFilteredContainerRequest

protected org.apache.hadoop.mapreduce.v2.app.rm.RMContainerRequestor.ContainerRequest getFilteredContainerRequest(org.apache.hadoop.mapreduce.v2.app.rm.RMContainerRequestor.ContainerRequest orig)

getBlacklistedNodes

public Set<String> getBlacklistedNodes()