Examples of org.apache.tez.dag.app.dag.event.TaskEventTAUpdate

Package org.apache.tez.dag.app.dag.event

Examples of org.apache.tez.dag.app.dag.event.TaskEventTAUpdate

org.apache.tez.dag.app.dag.event.TaskEventTAUpdate

      // Inform the Scheduler.
      ta.sendEvent(new AMSchedulerEventTAEnded(ta, ta.containerId,
          TaskAttemptState.SUCCEEDED));


      // Inform the task.
      ta.sendEvent(new TaskEventTAUpdate(ta.attemptId,
          TaskEventType.T_ATTEMPT_SUCCEEDED));


      // Unregister from the TaskHeartbeatHandler.
      ta.taskHeartbeatHandler.unregister(ta.attemptId);

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        case NEW:
        case RUNNING:
          // FIXME once running containers can be recovered, this
          // should be handled differently
          // TODO abort taskattempt
          taskAttempt.sendEvent(new TaskEventTAUpdate(taskAttempt.attemptId,
              TaskEventType.T_ATTEMPT_FAILED));
          endState = TaskAttemptStateInternal.FAILED;
          break;
        case SUCCEEDED:
          // Do not inform Task as it already knows about completed attempts

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      if (task.leafVertex) {
        LOG.error("Unexpected event for task of leaf vertex " + event.getType());
        task.internalError(event.getType());
      }


      TaskEventTAUpdate attemptEvent = (TaskEventTAUpdate) event;
      TezTaskAttemptID attemptId = attemptEvent.getTaskAttemptID();
      if(task.successfulAttempt == attemptId) {
        // successful attempt is now killed. reschedule
        // tell the job about the rescheduling
        unSucceed(task);
        task.handleTaskAttemptCompletion(

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  private static class AttemptProcessingCompleteTransition implements
      SingleArcTransition<TaskImpl, TaskEvent> {


    @Override
    public void transition(TaskImpl task, TaskEvent event) {
      TaskEventTAUpdate taEvent = (TaskEventTAUpdate) event;
      TezTaskAttemptID attemptId = taEvent.getTaskAttemptID();


      if (task.outputConsumableAttempt == null) {
        task.sendTaskAttemptCompletionEvent(attemptId,
            TaskAttemptStateInternal.SUCCEEDED);
        task.outputConsumableAttempt = attemptId;

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  private static class AttemptKilledTransition implements
      SingleArcTransition<TaskImpl, TaskEvent> {
    @Override
    public void transition(TaskImpl task, TaskEvent event) {
      TaskEventTAUpdate castEvent = (TaskEventTAUpdate) event;
      if (task.commitAttempt !=null &&
          castEvent.getTaskAttemptID().equals(task.commitAttempt)) {
        task.commitAttempt = null;
      }
      task.handleTaskAttemptCompletion(
          castEvent.getTaskAttemptID(),
          TaskAttemptStateInternal.KILLED);
      task.finishedAttempts++;
      // we KillWaitAttemptCompletedTransitionready have a spare
      if (--task.numberUncompletedAttempts == 0
          && task.successfulAttempt == null) {

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    MultipleArcTransition<TaskImpl, TaskEvent, TaskStateInternal> {


    @Override
    public TaskStateInternal transition(TaskImpl task, TaskEvent event) {
      task.failedAttempts++;
      TaskEventTAUpdate castEvent = (TaskEventTAUpdate) event;
      if (task.commitAttempt != null &&
          castEvent.getTaskAttemptID().equals(task.commitAttempt)) {
        task.commitAttempt = null;
      }
      if (castEvent.getTaskAttemptID().equals(task.outputConsumableAttempt)) {
        task.outputConsumableAttempt = null;
        task.handleTaskAttemptCompletion(castEvent.getTaskAttemptID(),
            TaskAttemptStateInternal.FAILED);
      }


      // The attempt would have informed the scheduler about it's failure

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        LOG.error("Unexpected event for task of leaf vertex " + event.getType() + ", taskId: "
            + task.getTaskId());
        task.internalError(event.getType());
      }


      TaskEventTAUpdate castEvent = (TaskEventTAUpdate) event;
      TezTaskAttemptID failedAttemptId = castEvent.getTaskAttemptID();
      TaskAttempt failedAttempt = task.getAttempt(failedAttemptId);
      ContainerId containerId = failedAttempt.getAssignedContainerID();
      if (containerId != null) {
        AMContainer amContainer = task.appContext.getAllContainers().
            get(containerId);

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          LOG.debug("Not generating HistoryFinish event since start event not "
              + "generated for taskAttempt: " + ta.getID());
        }
      }
      // Send out events to the Task - indicating TaskAttemptTermination(F/K)
      ta.sendEvent(new TaskEventTAUpdate(ta.attemptId, helper
          .getTaskEventType()));
    }

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          ta.localityCounter = DAGCounter.OTHER_LOCAL_TASKS;
        }
      }


      // Inform the Task
      ta.sendEvent(new TaskEventTAUpdate(ta.attemptId,
          TaskEventType.T_ATTEMPT_LAUNCHED));


      ta.taskHeartbeatHandler.register(ta.attemptId);
    }

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    @Override
    public void transition(TaskAttemptImpl ta, TaskAttemptEvent event) {
      //TaskAttemptEventOutputConsumable orEvent = (TaskAttemptEventOutputConsumable) event;
      //ta.shufflePort = orEvent.getOutputContext().getShufflePort();
      ta.sendEvent(new TaskEventTAUpdate(ta.attemptId,
          TaskEventType.T_ATTEMPT_OUTPUT_CONSUMABLE));
    }

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Related Classes of org.apache.tez.dag.app.dag.event.TaskEventTAUpdate

org.apache.tez.dag.app.dag.impl.TaskAttemptImpl$OutputConsumableTransition

org.apache.tez.dag.app.dag.impl.TaskAttemptImpl$RecoverTransition

org.apache.tez.dag.app.dag.impl.TaskAttemptImpl$StartedTransition

org.apache.tez.dag.app.dag.impl.TaskAttemptImpl$SucceededTransition

org.apache.tez.dag.app.dag.impl.TaskAttemptImpl$TerminateTransition

org.apache.tez.dag.app.dag.impl.TaskImpl$AttemptFailedTransition

org.apache.tez.dag.app.dag.impl.TaskImpl$AttemptKilledTransition

org.apache.tez.dag.app.dag.impl.TaskImpl$AttemptProcessingCompleteTransition

org.apache.tez.dag.app.dag.impl.TaskImpl$TaskRetroactiveFailureTransition

org.apache.tez.dag.app.dag.impl.TaskImpl$TaskRetroactiveKilledTransition

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