Examples with TaskTAttemptEvent org.apache.hadoop.mapreduce.v2.app.job.event.TaskTAttemptEvent used on opensource projects

Example 1 with TaskTAttemptEvent

use of org.apache.hadoop.mapreduce.v2.app.job.event.TaskTAttemptEvent in project hadoop by apache.

the class TaskAttemptImpl method notifyTaskAttemptFailed.

@SuppressWarnings("unchecked")
private static void notifyTaskAttemptFailed(TaskAttemptImpl taskAttempt) {
    if (taskAttempt.getLaunchTime() == 0) {
        sendJHStartEventForAssignedFailTask(taskAttempt);
    }
    // set the finish time
    taskAttempt.setFinishTime();
    taskAttempt.eventHandler.handle(createJobCounterUpdateEventTAFailed(taskAttempt, false));
    TaskAttemptUnsuccessfulCompletionEvent tauce = createTaskAttemptUnsuccessfulCompletionEvent(taskAttempt, TaskAttemptStateInternal.FAILED);
    taskAttempt.eventHandler.handle(new JobHistoryEvent(taskAttempt.attemptId.getTaskId().getJobId(), tauce));
    taskAttempt.eventHandler.handle(new TaskTAttemptEvent(taskAttempt.attemptId, TaskEventType.T_ATTEMPT_FAILED));
}

Example 2 with TaskTAttemptEvent

use of org.apache.hadoop.mapreduce.v2.app.job.event.TaskTAttemptEvent in project hadoop by apache.

the class TestTaskImpl method testSpeculativeMapFetchFailure.

@Test
public void testSpeculativeMapFetchFailure() {
    // Setup a scenario where speculative task wins, first attempt killed
    mockTask = createMockTask(TaskType.MAP);
    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());
}

Example 3 with TaskTAttemptEvent

use of org.apache.hadoop.mapreduce.v2.app.job.event.TaskTAttemptEvent in project hadoop by apache.

the class TestTaskImpl method testFailureDuringTaskAttemptCommit.

@Test
public void testFailureDuringTaskAttemptCommit() {
    mockTask = createMockTask(TaskType.MAP);
    TaskId taskId = getNewTaskID();
    scheduleTaskAttempt(taskId);
    launchTaskAttempt(getLastAttempt().getAttemptId());
    updateLastAttemptState(TaskAttemptState.COMMIT_PENDING);
    commitTaskAttempt(getLastAttempt().getAttemptId());
    // During the task attempt commit there is an exception which causes
    // the attempt to fail
    updateLastAttemptState(TaskAttemptState.FAILED);
    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", mockTask.canCommit(getLastAttempt().getAttemptId()));
    assertTaskSucceededState();
}

Example 4 with TaskTAttemptEvent

use of org.apache.hadoop.mapreduce.v2.app.job.event.TaskTAttemptEvent in project hadoop by apache.

the class TestTaskImpl method commitTaskAttempt.

private void commitTaskAttempt(TaskAttemptId attemptId) {
    mockTask.handle(new TaskTAttemptEvent(attemptId, TaskEventType.T_ATTEMPT_COMMIT_PENDING));
    assertTaskRunningState();
}

Example 5 with TaskTAttemptEvent

use of org.apache.hadoop.mapreduce.v2.app.job.event.TaskTAttemptEvent in project hadoop by apache.

the class TestTaskImpl method testKillSuccessfulTask.

@Test
public void testKillSuccessfulTask() {
    LOG.info("--- START: testKillSuccesfulTask ---");
    mockTask = createMockTask(TaskType.MAP);
    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();
}