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

Examples of org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator$ScheduledRequests

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  }
 
  private static JobCounterUpdateEvent createJobCounterUpdateEventTAKilled(
      TaskAttemptImpl taskAttempt, boolean taskAlreadyCompleted) {
    TaskType taskType = taskAttempt.getID().getTaskId().getTaskType();
    JobCounterUpdateEvent jce = new JobCounterUpdateEvent(taskAttempt.getID().getTaskId().getJobId());
   
    if (taskType == TaskType.MAP) {
      jce.addCounterUpdate(JobCounter.NUM_KILLED_MAPS, 1);
    } else {
      jce.addCounterUpdate(JobCounter.NUM_KILLED_REDUCES, 1);
    }
    if (!taskAlreadyCompleted) {
      updateMillisCounters(jce, taskAttempt);
    }
    return jce;
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    return tauce;
  }

  @SuppressWarnings("unchecked")
  private void sendLaunchedEvents() {
    JobCounterUpdateEvent jce = new JobCounterUpdateEvent(attemptId.getTaskId()
        .getJobId());
    jce.addCounterUpdate(attemptId.getTaskId().getTaskType() == TaskType.MAP ?
        JobCounter.TOTAL_LAUNCHED_MAPS : JobCounter.TOTAL_LAUNCHED_REDUCES, 1);
    eventHandler.handle(jce);

    LOG.info("TaskAttempt: [" + attemptId
        + "] using containerId: [" + container.getId() + " on NM: ["
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      try {
        stateMachine.doTransition(event.getType(), event);
      } catch (InvalidStateTransitonException e) {
        LOG.error("Can't handle this event at current state for "
            + this.attemptId, e);
        eventHandler.handle(new JobDiagnosticsUpdateEvent(
            this.attemptId.getTaskId().getJobId(), "Invalid event " + event.getType() +
            " on TaskAttempt " + this.attemptId));
        eventHandler.handle(new JobEvent(this.attemptId.getTaskId().getJobId(),
            JobEventType.INTERNAL_ERROR));
      }
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        LOG.error("Can't handle this event at current state for "
            + this.attemptId, e);
        eventHandler.handle(new JobDiagnosticsUpdateEvent(
            this.attemptId.getTaskId().getJobId(), "Invalid event " + event.getType() +
            " on TaskAttempt " + this.attemptId));
        eventHandler.handle(new JobEvent(this.attemptId.getTaskId().getJobId(),
            JobEventType.INTERNAL_ERROR));
      }
      if (oldState != getInternalState()) {
          LOG.info(attemptId + " TaskAttempt Transitioned from "
           + oldState + " to "
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      SingleArcTransition<TaskAttemptImpl, TaskAttemptEvent> {
    @SuppressWarnings({ "unchecked" })
    @Override
    public void transition(final TaskAttemptImpl taskAttempt,
        TaskAttemptEvent event) {
      final TaskAttemptContainerAssignedEvent cEvent =
        (TaskAttemptContainerAssignedEvent) event;
      Container container = cEvent.getContainer();
      taskAttempt.container = container;
      // this is a _real_ Task (classic Hadoop mapred flavor):
      taskAttempt.remoteTask = taskAttempt.createRemoteTask();
      taskAttempt.jvmID =
          new WrappedJvmID(taskAttempt.remoteTask.getTaskID().getJobID(),
            taskAttempt.remoteTask.isMapTask(), taskAttempt.container.getId()
              .getId());
      taskAttempt.taskAttemptListener.registerPendingTask(
          taskAttempt.remoteTask, taskAttempt.jvmID);

      taskAttempt.computeRackAndLocality();
     
      //launch the container
      //create the container object to be launched for a given Task attempt
      ContainerLaunchContext launchContext = createContainerLaunchContext(
          cEvent.getApplicationACLs(), taskAttempt.conf, taskAttempt.jobToken,
          taskAttempt.remoteTask, taskAttempt.oldJobId, taskAttempt.jvmID,
          taskAttempt.taskAttemptListener, taskAttempt.credentials);
      taskAttempt.eventHandler
        .handle(new ContainerRemoteLaunchEvent(taskAttempt.attemptId,
          launchContext, container, taskAttempt.remoteTask));
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    @SuppressWarnings("unchecked")
    @Override
    public void transition(TaskAttemptImpl taskAttempt,
        TaskAttemptEvent evnt) {

      TaskAttemptContainerLaunchedEvent event =
        (TaskAttemptContainerLaunchedEvent) evnt;

      //set the launch time
      taskAttempt.launchTime = taskAttempt.clock.getTime();
      taskAttempt.shufflePort = event.getShufflePort();

      // register it to TaskAttemptListener so that it can start monitoring it.
      taskAttempt.taskAttemptListener
        .registerLaunchedTask(taskAttempt.attemptId, taskAttempt.jvmID);
      //TODO Resolve to host / IP in case of a local address.
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        .size());
    TaskAttempt attempt = attempts.values().iterator().next();
    app.waitForInternalState((TaskAttemptImpl) attempt,
        TaskAttemptStateInternal.ASSIGNED);
    app.getDispatcher().getEventHandler().handle(
        new TaskAttemptEvent(attempt.getID(),
            TaskAttemptEventType.TA_CONTAINER_COMPLETED));
    app.waitForState(job, JobState.FAILED);
  }
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          case CONTAINER_REMOTE_LAUNCH:
            super.handle(event); // Unused event and container.
            break;
          case CONTAINER_REMOTE_CLEANUP:
            getContext().getEventHandler().handle(
                new TaskAttemptEvent(event.getTaskAttemptID(),
                    TaskAttemptEventType.TA_CONTAINER_CLEANED));
            break;
          }
        }
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    @Override
    protected void attemptLaunched(TaskAttemptId attemptID) {
      if (attemptID.getTaskId().getId() == 0) {//check if it is first task
        // send the Fail event
        getContext().getEventHandler().handle(
            new TaskAttemptEvent(attemptID,
                TaskAttemptEventType.TA_FAILMSG));
      } else {
        getContext().getEventHandler().handle(
            new TaskAttemptEvent(attemptID,
                TaskAttemptEventType.TA_DONE));
      }
    }
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    protected void attemptLaunched(TaskAttemptId attemptID) {
      if (attemptID.getTaskId().getId() == 0 && attemptID.getId() == 0) {
        //check if it is first task's first attempt
        // send the Fail event
        getContext().getEventHandler().handle(
            new TaskAttemptEvent(attemptID,
                TaskAttemptEventType.TA_FAILMSG));
      } else {
        getContext().getEventHandler().handle(
            new TaskAttemptEvent(attemptID,
                TaskAttemptEventType.TA_DONE));
      }
    }
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