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 {
        LOG.debug("Not generating HistoryFinish event since start event not " +
            "generated for taskAttempt: " + taskAttempt.getID());
      }
//      taskAttempt.logAttemptFinishedEvent(TaskAttemptState.KILLED); Not logging Map/Reduce attempts in case of failure.
      taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
          taskAttempt.attemptId,
          TaskEventType.T_ATTEMPT_KILLED));
    }
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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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    LOG.info("--- START: testKillSuccesfulTask ---");
    TaskId taskId = getNewTaskID();
    scheduleTaskAttempt(taskId);
    launchTaskAttempt(getLastAttempt().getAttemptId());
    commitTaskAttempt(getLastAttempt().getAttemptId());
    mockTask.handle(new TaskTAttemptEvent(getLastAttempt().getAttemptId(),
        TaskEventType.T_ATTEMPT_SUCCEEDED));
    assertTaskSucceededState();
    mockTask.handle(new TaskEvent(taskId, TaskEventType.T_KILL));
    assertTaskSucceededState();
  }
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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 complete the first task attempt, after the second has succeeded
    mockTask.handle(new TaskTAttemptEvent(taskAttempts.get(0).getAttemptId(),
        firstAttemptFinishEvent));
   
    // The task should still be in the succeeded state
    assertTaskSucceededState();
  }
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    // Setup a scenario where speculative task wins, first attempt killed
    runSpeculativeTaskAttemptSucceeds(TaskEventType.T_ATTEMPT_KILLED);
    assertEquals(2, taskAttempts.size());

    // speculative attempt retroactively fails from fetch failures
    mockTask.handle(new TaskTAttemptEvent(taskAttempts.get(1).getAttemptId(),
        TaskEventType.T_ATTEMPT_FAILED));

    assertTaskScheduledState();
    assertEquals(3, taskAttempts.size());
  }
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