Package org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager

Examples of org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager.HistoryFileInfo

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      LOG.debug("Processing " + event.getTaskAttemptID() + " of type "
          + event.getType());
    }
    writeLock.lock();
    try {
      final TaskAttemptStateInternal oldState = getInternalState()  ;
      try {
        stateMachine.doTransition(event.getType(), event);
      } catch (InvalidStateTransitonException e) {
        LOG.error("Can't handle this event at current state for "
            + this.attemptId, e);
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        recoveredState = TaskAttemptState.KILLED.toString();
        needToClean = true;
      }
    }

    TaskAttemptStateInternal attemptState;
    if (TaskAttemptState.SUCCEEDED.toString().equals(recoveredState)) {
      attemptState = TaskAttemptStateInternal.SUCCEEDED;
      reportedStatus.taskState = TaskAttemptState.SUCCEEDED;
      eventHandler.handle(createJobCounterUpdateEventTASucceeded(this));
      logAttemptFinishedEvent(attemptState);
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  }

  private static JobCounterUpdateEvent createJobCounterUpdateEventTASucceeded(
      TaskAttemptImpl taskAttempt) {
    TaskId taskId = taskAttempt.attemptId.getTaskId();
    JobCounterUpdateEvent jce = new JobCounterUpdateEvent(taskId.getJobId());
    updateMillisCounters(jce, taskAttempt);
    return jce;
  }
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  }
 
  private static JobCounterUpdateEvent createJobCounterUpdateEventTAFailed(
      TaskAttemptImpl taskAttempt, boolean taskAlreadyCompleted) {
    TaskType taskType = taskAttempt.getID().getTaskId().getTaskType();
    JobCounterUpdateEvent jce = new JobCounterUpdateEvent(taskAttempt.getID().getTaskId().getJobId());
   
    if (taskType == TaskType.MAP) {
      jce.addCounterUpdate(JobCounter.NUM_FAILED_MAPS, 1);
    } else {
      jce.addCounterUpdate(JobCounter.NUM_FAILED_REDUCES, 1);
    }
    if (!taskAlreadyCompleted) {
      updateMillisCounters(jce, taskAttempt);
    }
    return jce;
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  }
 
  private static JobCounterUpdateEvent createJobCounterUpdateEventTAKilled(
      TaskAttemptImpl taskAttempt, boolean taskAlreadyCompleted) {
    TaskType taskType = taskAttempt.getID().getTaskId().getTaskType();
    JobCounterUpdateEvent jce = new JobCounterUpdateEvent(taskAttempt.getID().getTaskId().getJobId());
   
    if (taskType == TaskType.MAP) {
      jce.addCounterUpdate(JobCounter.NUM_KILLED_MAPS, 1);
    } else {
      jce.addCounterUpdate(JobCounter.NUM_KILLED_REDUCES, 1);
    }
    if (!taskAlreadyCompleted) {
      updateMillisCounters(jce, taskAttempt);
    }
    return jce;
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    return tauce;
  }

  @SuppressWarnings("unchecked")
  private void sendLaunchedEvents() {
    JobCounterUpdateEvent jce = new JobCounterUpdateEvent(attemptId.getTaskId()
        .getJobId());
    jce.addCounterUpdate(attemptId.getTaskId().getTaskType() == TaskType.MAP ?
        JobCounter.TOTAL_LAUNCHED_MAPS : JobCounter.TOTAL_LAUNCHED_REDUCES, 1);
    eventHandler.handle(jce);

    LOG.info("TaskAttempt: [" + attemptId
        + "] using containerId: [" + container.getId() + " on NM: ["
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      try {
        stateMachine.doTransition(event.getType(), event);
      } catch (InvalidStateTransitonException e) {
        LOG.error("Can't handle this event at current state for "
            + this.attemptId, e);
        eventHandler.handle(new JobDiagnosticsUpdateEvent(
            this.attemptId.getTaskId().getJobId(), "Invalid event " + event.getType() +
            " on TaskAttempt " + this.attemptId));
        eventHandler.handle(new JobEvent(this.attemptId.getTaskId().getJobId(),
            JobEventType.INTERNAL_ERROR));
      }
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        LOG.error("Can't handle this event at current state for "
            + this.attemptId, e);
        eventHandler.handle(new JobDiagnosticsUpdateEvent(
            this.attemptId.getTaskId().getJobId(), "Invalid event " + event.getType() +
            " on TaskAttempt " + this.attemptId));
        eventHandler.handle(new JobEvent(this.attemptId.getTaskId().getJobId(),
            JobEventType.INTERNAL_ERROR));
      }
      if (oldState != getInternalState()) {
          LOG.info(attemptId + " TaskAttempt Transitioned from "
           + oldState + " to "
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      SingleArcTransition<TaskAttemptImpl, TaskAttemptEvent> {
    @SuppressWarnings({ "unchecked" })
    @Override
    public void transition(final TaskAttemptImpl taskAttempt,
        TaskAttemptEvent event) {
      final TaskAttemptContainerAssignedEvent cEvent =
        (TaskAttemptContainerAssignedEvent) event;
      Container container = cEvent.getContainer();
      taskAttempt.container = container;
      // this is a _real_ Task (classic Hadoop mapred flavor):
      taskAttempt.remoteTask = taskAttempt.createRemoteTask();
      taskAttempt.jvmID =
          new WrappedJvmID(taskAttempt.remoteTask.getTaskID().getJobID(),
            taskAttempt.remoteTask.isMapTask(), taskAttempt.container.getId()
              .getId());
      taskAttempt.taskAttemptListener.registerPendingTask(
          taskAttempt.remoteTask, taskAttempt.jvmID);

      taskAttempt.computeRackAndLocality();
     
      //launch the container
      //create the container object to be launched for a given Task attempt
      ContainerLaunchContext launchContext = createContainerLaunchContext(
          cEvent.getApplicationACLs(), taskAttempt.conf, taskAttempt.jobToken,
          taskAttempt.remoteTask, taskAttempt.oldJobId, taskAttempt.jvmID,
          taskAttempt.taskAttemptListener, taskAttempt.credentials);
      taskAttempt.eventHandler
        .handle(new ContainerRemoteLaunchEvent(taskAttempt.attemptId,
          launchContext, container, taskAttempt.remoteTask));
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        .size());
    TaskAttempt attempt = attempts.values().iterator().next();
    app.waitForInternalState((TaskAttemptImpl) attempt,
        TaskAttemptStateInternal.ASSIGNED);
    app.getDispatcher().getEventHandler().handle(
        new TaskAttemptEvent(attempt.getID(),
            TaskAttemptEventType.TA_CONTAINER_COMPLETED));
    app.waitForState(job, JobState.FAILED);
  }
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Related Classes of org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager.HistoryFileInfo

  • org.apache.hadoop.conf.Configuration
  • org.apache.hadoop.fs.FileSystem
  • org.apache.hadoop.fs.FSDataInputStream
  • org.apache.hadoop.fs.Path
  • org.apache.hadoop.fs.permission.FsPermission
  • org.apache.hadoop.mapred.JobConf
  • org.apache.hadoop.mapred.TaskAttemptListenerImpl
  • org.apache.hadoop.mapred.TestClientRedirect
  • org.apache.hadoop.mapred.TestClientRedirect$AMService
  • org.apache.hadoop.mapred.TestClientRedirect$HistoryService
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