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

Examples of org.apache.hadoop.mapreduce.v2.app.job.event.TaskAttemptStatusUpdateEvent.TaskAttemptStatus

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            speculator.handle(event);
            attemptImpl.startUp();
          } else {
            // If a task attempt is in progress we should send the news to
            // the Speculator.
            TaskAttemptStatus status = new TaskAttemptStatus();
            status.id = attempt.getID();
            status.progress = attempt.getProgress();
            status.stateString = attempt.getState().name();
            status.taskState = attempt.getState();
            SpeculatorEvent event = new SpeculatorEvent(status, clock.getTime());
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    attemptId.setId(i);
    this.taskAttemptListener = taskAttemptListener;
    this.appContext = appContext;

    // Initialize reportedStatus
    reportedStatus = new TaskAttemptStatus();
    initTaskAttemptStatus(reportedStatus);

    ReadWriteLock readWriteLock = new ReentrantReadWriteLock();
    readLock = readWriteLock.readLock();
    writeLock = readWriteLock.writeLock();
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      TaskStatus taskStatus) throws IOException, InterruptedException {
    LOG.info("Status update from " + taskAttemptID.toString());
    org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId yarnAttemptID =
        TypeConverter.toYarn(taskAttemptID);
    taskHeartbeatHandler.progressing(yarnAttemptID);
    TaskAttemptStatus taskAttemptStatus =
        new TaskAttemptStatus();
    taskAttemptStatus.id = yarnAttemptID;
    // Task sends the updated progress to the TT.
    taskAttemptStatus.progress = taskStatus.getProgress();
    LOG.info("Progress of TaskAttempt " + taskAttemptID + " is : "
        + taskStatus.getProgress());
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    @SuppressWarnings("unchecked")
    @Override
    public void transition(TaskAttemptImpl taskAttempt,
        TaskAttemptEvent event) {
      // Status update calls don't really change the state of the attempt.
      TaskAttemptStatus newReportedStatus =
          ((TaskAttemptStatusUpdateEvent) event)
              .getReportedTaskAttemptStatus();
      // Now switch the information in the reportedStatus
      taskAttempt.reportedStatus = newReportedStatus;
      taskAttempt.reportedStatus.taskState = taskAttempt.getState();
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    attemptId.setId(i);
    this.taskAttemptListener = taskAttemptListener;
    this.appContext = appContext;

    // Initialize reportedStatus
    reportedStatus = new TaskAttemptStatus();
    initTaskAttemptStatus(reportedStatus);

    ReadWriteLock readWriteLock = new ReentrantReadWriteLock();
    readLock = readWriteLock.readLock();
    writeLock = readWriteLock.writeLock();
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            speculator.handle(event);
            attemptImpl.startUp();
          } else {
            // If a task attempt is in progress we should send the news to
            // the Speculator.
            TaskAttemptStatus status = new TaskAttemptStatus();
            status.id = attempt.getID();
            status.progress = attempt.getProgress();
            status.stateString = attempt.getState().name();
            status.taskState = attempt.getState();
            SpeculatorEvent event = new SpeculatorEvent(status, clock.getTime());
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            speculator.handle(event);
            attemptImpl.startUp();
          } else {
            // If a task attempt is in progress we should send the news to
            // the Speculator.
            TaskAttemptStatus status = new TaskAttemptStatus();
            status.id = attempt.getID();
            status.progress = attempt.getProgress();
            status.stateString = attempt.getState().name();
            status.taskState = attempt.getState();
            SpeculatorEvent event = new SpeculatorEvent(status, clock.getTime());
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    clock.setTime(System.currentTimeMillis() + 2000);
    EventHandler appEventHandler = app.getContext().getEventHandler();
    for (Map.Entry<TaskId, Task> mapTask : tasks.entrySet()) {
      for (Map.Entry<TaskAttemptId, TaskAttempt> taskAttempt : mapTask
        .getValue().getAttempts().entrySet()) {
        TaskAttemptStatus status =
            createTaskAttemptStatus(taskAttempt.getKey(), (float) 0.8,
              TaskAttemptState.RUNNING);
        TaskAttemptStatusUpdateEvent event =
            new TaskAttemptStatusUpdateEvent(taskAttempt.getKey(), status);
        appEventHandler.handle(event);
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    clock.setTime(System.currentTimeMillis() + 1000);
    EventHandler appEventHandler = app.getContext().getEventHandler();
    for (Map.Entry<TaskId, Task> mapTask : tasks.entrySet()) {
      for (Map.Entry<TaskAttemptId, TaskAttempt> taskAttempt : mapTask
        .getValue().getAttempts().entrySet()) {
        TaskAttemptStatus status =
            createTaskAttemptStatus(taskAttempt.getKey(), (float) 0.5,
              TaskAttemptState.RUNNING);
        TaskAttemptStatusUpdateEvent event =
            new TaskAttemptStatusUpdateEvent(taskAttempt.getKey(), status);
        appEventHandler.handle(event);
      }
    }

    Task speculatedTask = null;
    int numTasksToFinish = NUM_MAPPERS + NUM_REDUCERS - 1;
    clock.setTime(System.currentTimeMillis() + 1000);
    for (Map.Entry<TaskId, Task> task : tasks.entrySet()) {
      for (Map.Entry<TaskAttemptId, TaskAttempt> taskAttempt : task.getValue()
        .getAttempts().entrySet()) {
        if (numTasksToFinish > 0) {
          appEventHandler.handle(new TaskAttemptEvent(taskAttempt.getKey(),
            TaskAttemptEventType.TA_DONE));
          appEventHandler.handle(new TaskAttemptEvent(taskAttempt.getKey(),
            TaskAttemptEventType.TA_CONTAINER_CLEANED));
          numTasksToFinish--;
          app.waitForState(taskAttempt.getValue(), TaskAttemptState.SUCCEEDED);
        } else {
          // The last task is chosen for speculation
          TaskAttemptStatus status =
              createTaskAttemptStatus(taskAttempt.getKey(), (float) 0.75,
                TaskAttemptState.RUNNING);
          speculatedTask = task.getValue();
          TaskAttemptStatusUpdateEvent event =
              new TaskAttemptStatusUpdateEvent(taskAttempt.getKey(), status);
          appEventHandler.handle(event);
        }
      }
    }

    clock.setTime(System.currentTimeMillis() + 15000);
    for (Map.Entry<TaskId, Task> task : tasks.entrySet()) {
      for (Map.Entry<TaskAttemptId, TaskAttempt> taskAttempt : task.getValue()
        .getAttempts().entrySet()) {
        if (taskAttempt.getValue().getState() != TaskAttemptState.SUCCEEDED) {
          TaskAttemptStatus status =
              createTaskAttemptStatus(taskAttempt.getKey(), (float) 0.75,
                TaskAttemptState.RUNNING);
          TaskAttemptStatusUpdateEvent event =
              new TaskAttemptStatusUpdateEvent(taskAttempt.getKey(), status);
          appEventHandler.handle(event);
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    // The speculative attempt may be not killed before the MR job succeeds.
  }

  private TaskAttemptStatus createTaskAttemptStatus(TaskAttemptId id,
      float progress, TaskAttemptState state) {
    TaskAttemptStatus status = new TaskAttemptStatus();
    status.id = id;
    status.progress = progress;
    status.taskState = state;
    return status;
  }
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