Examples of org.apache.hadoop.yarn.event.EventHandler.handle()

Class org.apache.hadoop.yarn.event.EventHandler

Examples of org.apache.hadoop.yarn.event.EventHandler.handle()

org.apache.hadoop.yarn.event.EventHandler.handle()

    metrics.releaseContainer(this.resource);


    // Inform the application
    @SuppressWarnings("rawtypes")
    EventHandler eventHandler = dispatcher.getEventHandler();
    eventHandler.handle(new ApplicationContainerFinishedEvent(containerId));
    // Remove the container from the resource-monitor
    eventHandler.handle(new ContainerStopMonitoringEvent(containerId));
    // Tell the logService too
    eventHandler.handle(new LogHandlerContainerFinishedEvent(
      containerId, exitCode));

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    // Inform the application
    @SuppressWarnings("rawtypes")
    EventHandler eventHandler = dispatcher.getEventHandler();
    eventHandler.handle(new ApplicationContainerFinishedEvent(containerId));
    // Remove the container from the resource-monitor
    eventHandler.handle(new ContainerStopMonitoringEvent(containerId));
    // Tell the logService too
    eventHandler.handle(new LogHandlerContainerFinishedEvent(
      containerId, exitCode));
  }

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    EventHandler eventHandler = dispatcher.getEventHandler();
    eventHandler.handle(new ApplicationContainerFinishedEvent(containerId));
    // Remove the container from the resource-monitor
    eventHandler.handle(new ContainerStopMonitoringEvent(containerId));
    // Tell the logService too
    eventHandler.handle(new LogHandlerContainerFinishedEvent(
      containerId, exitCode));
  }


  @SuppressWarnings("unchecked") // dispatcher not typed
  public void cleanup() {

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    Class<? extends Enum> type = event.getType().getDeclaringClass();


    try{
      EventHandler handler = eventDispatchers.get(type);
      if(handler != null) {
        handler.handle(event);
      } else {
        throw new Exception("No handler for registered for " + type);
      }
    } catch (Throwable t) {
      //TODO Maybe log the state of the queue

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        TaskAttemptStatus status =
            createTaskAttemptStatus(taskAttempt.getKey(), (float) 0.8,
              TaskAttemptState.RUNNING);
        TaskAttemptStatusUpdateEvent event =
            new TaskAttemptStatusUpdateEvent(taskAttempt.getKey(), status);
        appEventHandler.handle(event);
      }
    }


    Random generator = new Random();
    Object[] taskValues = tasks.values().toArray();

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    // Other than one random task, finish every other task.
    for (Map.Entry<TaskId, Task> mapTask : tasks.entrySet()) {
      for (Map.Entry<TaskAttemptId, TaskAttempt> taskAttempt : mapTask
        .getValue().getAttempts().entrySet()) {
        if (mapTask.getKey() != taskToBeSpeculated.getID()) {
          appEventHandler.handle(new TaskAttemptEvent(taskAttempt.getKey(),
            TaskAttemptEventType.TA_DONE));
          appEventHandler.handle(new TaskAttemptEvent(taskAttempt.getKey(),
            TaskAttemptEventType.TA_CONTAINER_CLEANED));
          app.waitForState(taskAttempt.getValue(), TaskAttemptState.SUCCEEDED);
        }

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      for (Map.Entry<TaskAttemptId, TaskAttempt> taskAttempt : mapTask
        .getValue().getAttempts().entrySet()) {
        if (mapTask.getKey() != taskToBeSpeculated.getID()) {
          appEventHandler.handle(new TaskAttemptEvent(taskAttempt.getKey(),
            TaskAttemptEventType.TA_DONE));
          appEventHandler.handle(new TaskAttemptEvent(taskAttempt.getKey(),
            TaskAttemptEventType.TA_CONTAINER_CLEANED));
          app.waitForState(taskAttempt.getValue(), TaskAttemptState.SUCCEEDED);
        }
      }
    }

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        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;

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    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);

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      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

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