org.apache.hadoop.yarn.sls.appmaster

Class StreamAMSimulator

java.lang.Object

org.apache.hadoop.yarn.sls.scheduler.TaskRunner.Task

org.apache.hadoop.yarn.sls.appmaster.AMSimulator

org.apache.hadoop.yarn.sls.appmaster.StreamAMSimulator

All Implemented Interfaces:

Comparable<Delayed>, Runnable, Delayed

@InterfaceAudience.Private
 @InterfaceStability.Unstable
public class StreamAMSimulator
extends AMSimulator

AMSimulator that simulates streaming services - it keeps tasks running and resubmits them whenever they fail or complete. It finishes when the specified duration expires.

Field Summary

Fields inherited from class org.apache.hadoop.yarn.sls.appmaster.AMSimulator

amtype, appAttemptId, appId, finishedContainers, isTracked, oldAppId, queue, recordFactory, responseQueue, rm, se, simulateFinishTimeMS, simulateStartTimeMS, totalContainers, traceFinishTimeMS, traceStartTimeMS

Constructor Summary

Constructors

Constructor and Description
StreamAMSimulator()

Method Summary

Modifier and Type	Method and Description
protected void	checkStop()
void	init(int heartbeatInterval, List<ContainerSimulator> containerList, org.apache.hadoop.yarn.server.resourcemanager.ResourceManager rm, SLSRunner se, long traceStartTime, long traceFinishTime, String user, String queue, boolean isTracked, String oldAppId, long baselineStartTimeMS, org.apache.hadoop.yarn.api.records.Resource amContainerResource, String nodeLabelExpr, Map<String,String> params, Map<org.apache.hadoop.yarn.api.records.ApplicationId,AMSimulator> appIdAMSim)
void	initReservation(org.apache.hadoop.yarn.api.records.ReservationId reservationId, long deadline, long now)
void	lastStep()
void	notifyAMContainerLaunched(org.apache.hadoop.yarn.api.records.Container masterContainer)
protected void	processResponseQueue()
protected void	sendContainerRequest()

Methods inherited from class org.apache.hadoop.yarn.sls.appmaster.AMSimulator

createAllocateRequest, createAllocateRequest, createResourceRequest, firstStep, getAMType, getApplicationAttemptId, getApplicationId, getDuration, getNumTasks, getQueue, middleStep, packageRequests, setReservationRequest, untrackApp

Methods inherited from class org.apache.hadoop.yarn.sls.scheduler.TaskRunner.Task

compareTo, getDelay, init, init, run, setEndTime

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamAMSimulator

public StreamAMSimulator()

Method Detail

init

public void init(int heartbeatInterval,
                 List<ContainerSimulator> containerList,
                 org.apache.hadoop.yarn.server.resourcemanager.ResourceManager rm,
                 SLSRunner se,
                 long traceStartTime,
                 long traceFinishTime,
                 String user,
                 String queue,
                 boolean isTracked,
                 String oldAppId,
                 long baselineStartTimeMS,
                 org.apache.hadoop.yarn.api.records.Resource amContainerResource,
                 String nodeLabelExpr,
                 Map<String,String> params,
                 Map<org.apache.hadoop.yarn.api.records.ApplicationId,AMSimulator> appIdAMSim)

Overrides:

init in class AMSimulator

notifyAMContainerLaunched

public void notifyAMContainerLaunched(org.apache.hadoop.yarn.api.records.Container masterContainer)
                               throws Exception

Overrides:

notifyAMContainerLaunched in class AMSimulator

Throws:

Exception

processResponseQueue

protected void processResponseQueue()
                             throws Exception

Specified by:

processResponseQueue in class AMSimulator

Throws:

Exception

sendContainerRequest

protected void sendContainerRequest()
                             throws org.apache.hadoop.yarn.exceptions.YarnException,
                                    IOException,
                                    InterruptedException

Specified by:

sendContainerRequest in class AMSimulator

Throws:

org.apache.hadoop.yarn.exceptions.YarnException

IOException

InterruptedException

initReservation

public void initReservation(org.apache.hadoop.yarn.api.records.ReservationId reservationId,
                            long deadline,
                            long now)

Specified by:

initReservation in class AMSimulator

checkStop

protected void checkStop()

Specified by:

checkStop in class AMSimulator

lastStep

public void lastStep()
              throws Exception

Overrides:

lastStep in class AMSimulator

Throws:

Exception