Package org.apache.hadoop.mapreduce.v2.app.job.event

Examples of org.apache.hadoop.mapreduce.v2.app.job.event.TaskTAttemptEvent

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        }

        else if (event.getType() == TaskEventType.T_ATTEMPT_FAILED
            || event.getType() == TaskEventType.T_ATTEMPT_KILLED
            || event.getType() == TaskEventType.T_ATTEMPT_SUCCEEDED) {
          TaskTAttemptEvent tEvent = (TaskTAttemptEvent) event;
          LOG.info("Recovered Task attempt " + tEvent.getTaskAttemptID());
          TaskInfo taskInfo = completedTasks.get(tEvent.getTaskAttemptID()
              .getTaskId());
          taskInfo.getAllTaskAttempts().remove(
              TypeConverter.fromYarn(tEvent.getTaskAttemptID()));
          // remove the task info from completed tasks if all attempts are
          // recovered
          if (taskInfo.getAllTaskAttempts().size() == 0) {
            completedTasks.remove(tEvent.getTaskAttemptID().getTaskId());
            // checkForRecoveryComplete
            LOG.info("CompletedTasks() " + completedTasks.size());
            if (completedTasks.size() == 0) {
              recoveryMode = false;
              clock.reset();
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        TaskEventType.T_KILL));
    assertTaskKillWaitState();
  }
 
  private void killScheduledTaskAttempt(TaskAttemptId attemptId) {
    mockTask.handle(new TaskTAttemptEvent(attemptId,
        TaskEventType.T_ATTEMPT_KILLED));
    assertTaskScheduledState();
  }
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        TaskEventType.T_ATTEMPT_KILLED));
    assertTaskScheduledState();
  }

  private void launchTaskAttempt(TaskAttemptId attemptId) {
    mockTask.handle(new TaskTAttemptEvent(attemptId,
        TaskEventType.T_ATTEMPT_LAUNCHED));
    assertTaskRunningState();   
  }
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        TaskEventType.T_ATTEMPT_LAUNCHED));
    assertTaskRunningState();   
  }
 
  private void commitTaskAttempt(TaskAttemptId attemptId) {
    mockTask.handle(new TaskTAttemptEvent(attemptId,
        TaskEventType.T_ATTEMPT_COMMIT_PENDING));
    assertTaskRunningState();   
  }
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  private void updateLastAttemptState(TaskAttemptState s) {
    getLastAttempt().setState(s);
  }
 
  private void killRunningTaskAttempt(TaskAttemptId attemptId) {
    mockTask.handle(new TaskTAttemptEvent(attemptId,
        TaskEventType.T_ATTEMPT_KILLED));
    assertTaskRunningState(); 
  }
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        TaskEventType.T_ATTEMPT_KILLED));
    assertTaskRunningState(); 
  }
 
  private void failRunningTaskAttempt(TaskAttemptId attemptId) {
    mockTask.handle(new TaskTAttemptEvent(attemptId,
        TaskEventType.T_ATTEMPT_FAILED));
    assertTaskRunningState();
  }
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    failRunningTaskAttempt(getLastAttempt().getAttemptId());

    assertEquals(2, taskAttempts.size());
    updateLastAttemptState(TaskAttemptState.SUCCEEDED);
    commitTaskAttempt(getLastAttempt().getAttemptId());
    mockTask.handle(new TaskTAttemptEvent(getLastAttempt().getAttemptId(),
        TaskEventType.T_ATTEMPT_SUCCEEDED));
   
    assertFalse("First attempt should not commit",
        mockTask.canCommit(taskAttempts.get(0).getAttemptId()));
    assertTrue("Second attempt should commit",
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    scheduleTaskAttempt(taskId);
    launchTaskAttempt(getLastAttempt().getAttemptId());
    updateLastAttemptState(TaskAttemptState.RUNNING);

    // Add a speculative task attempt that succeeds
    mockTask.handle(new TaskTAttemptEvent(getLastAttempt().getAttemptId(),
        TaskEventType.T_ADD_SPEC_ATTEMPT));
    launchTaskAttempt(getLastAttempt().getAttemptId());
    commitTaskAttempt(getLastAttempt().getAttemptId());
    mockTask.handle(new TaskTAttemptEvent(getLastAttempt().getAttemptId(),
        TaskEventType.T_ATTEMPT_SUCCEEDED));
   
    // The task should now have succeeded
    assertTaskSucceededState();
   
    // Now fail the first task attempt, after the second has succeeded
    mockTask.handle(new TaskTAttemptEvent(taskAttempts.get(0).getAttemptId(),
        TaskEventType.T_ATTEMPT_FAILED));
   
    // The task should still be in the succeeded state
    assertTaskSucceededState();
   
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            (new SpeculatorEvent(taskAttempt.getID().getTaskId(), -1));
      }

      switch(finalState) {
        case FAILED:
          taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
              taskAttempt.attemptId,
              TaskEventType.T_ATTEMPT_FAILED));
          break;
        case KILLED:
          taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
              taskAttempt.attemptId,
              TaskEventType.T_ATTEMPT_KILLED));
          break;
        default:
          LOG.error("Task final state is not FAILED or KILLED: " + finalState);
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      //make remoteTask reference as null as it is no more needed
      //and free up the memory
      taskAttempt.remoteTask = null;
     
      //tell the Task that attempt has started
      taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
          taskAttempt.attemptId,
         TaskEventType.T_ATTEMPT_LAUNCHED));
    }
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