Package org.apache.hadoop.mapreduce.v2.app.job.impl

Examples of org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl

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            (new SpeculatorEvent(taskAttempt.getID().getTaskId(), -1));
      }

      switch(finalState) {
        case FAILED:
          taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
              taskAttempt.attemptId,
              TaskEventType.T_ATTEMPT_FAILED));
          break;
        case KILLED:
          taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
              taskAttempt.attemptId,
              TaskEventType.T_ATTEMPT_KILLED));
          break;
        default:
          LOG.error("Task final state is not FAILED or KILLED: " + finalState);
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      //make remoteTask reference as null as it is no more needed
      //and free up the memory
      taskAttempt.remoteTask = null;
     
      //tell the Task that attempt has started
      taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
          taskAttempt.attemptId,
         TaskEventType.T_ATTEMPT_LAUNCHED));
    }
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      SingleArcTransition<TaskAttemptImpl, TaskAttemptEvent> {
    @SuppressWarnings("unchecked")
    @Override
    public void transition(TaskAttemptImpl taskAttempt,
        TaskAttemptEvent event) {
      taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
          taskAttempt.attemptId,
         TaskEventType.T_ATTEMPT_COMMIT_PENDING));
    }
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      //set the finish time
      taskAttempt.setFinishTime();
      taskAttempt.eventHandler.handle(
          createJobCounterUpdateEventTASucceeded(taskAttempt));
      taskAttempt.logAttemptFinishedEvent(TaskAttemptStateInternal.SUCCEEDED);
      taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
          taskAttempt.attemptId,
          TaskEventType.T_ATTEMPT_SUCCEEDED));
      taskAttempt.eventHandler.handle
      (new SpeculatorEvent
          (taskAttempt.reportedStatus, taskAttempt.clock.getTime()));
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        // handling failed map/reduce events.
      }else {
        LOG.debug("Not generating HistoryFinish event since start event not " +
            "generated for taskAttempt: " + taskAttempt.getID());
      }
      taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
          taskAttempt.attemptId, TaskEventType.T_ATTEMPT_FAILED));
    }
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            taskAttempt.attemptId.getTaskId().getJobId(), tauce));
      }else {
        LOG.debug("Not generating HistoryFinish event since start event not " +
            "generated for taskAttempt: " + taskAttempt.getID());
      }
      taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
          taskAttempt.attemptId, TaskEventType.T_ATTEMPT_FAILED));
    }
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          .handle(createJobCounterUpdateEventTAKilled(taskAttempt, true));
      TaskAttemptUnsuccessfulCompletionEvent tauce = createTaskAttemptUnsuccessfulCompletionEvent(
          taskAttempt, TaskAttemptStateInternal.KILLED);
      taskAttempt.eventHandler.handle(new JobHistoryEvent(taskAttempt.attemptId
          .getTaskId().getJobId(), tauce));
      taskAttempt.eventHandler.handle(new TaskTAttemptEvent(
          taskAttempt.attemptId, TaskEventType.T_ATTEMPT_KILLED));
      return TaskAttemptStateInternal.KILLED;
    }
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    app.verifyCompleted();

    Collection<Task> tasks = job.getTasks().values();
    Collection<TaskAttempt> taskAttempts =
        tasks.iterator().next().getAttempts().values();
    TaskAttemptImpl taskAttempt =
        (TaskAttemptImpl) taskAttempts.iterator().next();
    // Container from RM should pass through to the launcher. Container object
    // should be the same.
   Assert.assertTrue(taskAttempt.container
     == containerObtainedByContainerLauncher);
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    app.verifyCompleted();

    Collection<Task> tasks = job.getTasks().values();
    Collection<TaskAttempt> taskAttempts =
        tasks.iterator().next().getAttempts().values();
    TaskAttemptImpl taskAttempt =
        (TaskAttemptImpl) taskAttempts.iterator().next();
    // Container from RM should pass through to the launcher. Container object
    // should be the same.
   Assert.assertTrue(taskAttempt.container
     == containerObtainedByContainerLauncher);
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    app.verifyCompleted();

    Collection<Task> tasks = job.getTasks().values();
    Collection<TaskAttempt> taskAttempts =
        tasks.iterator().next().getAttempts().values();
    TaskAttemptImpl taskAttempt =
        (TaskAttemptImpl) taskAttempts.iterator().next();
    // Container from RM should pass through to the launcher. Container object
    // should be the same.
   Assert.assertTrue(taskAttempt.container
     == containerObtainedByContainerLauncher);
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Related Classes of org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl

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  • org.apache.hadoop.fs.FileSystem
  • org.apache.hadoop.fs.FSDataInputStream
  • org.apache.hadoop.fs.Path
  • org.apache.hadoop.fs.permission.FsPermission
  • org.apache.hadoop.io.DataOutputBuffer
  • org.apache.hadoop.mapred.JobConf
  • org.apache.hadoop.mapred.TaskAttemptContextImpl
  • org.apache.hadoop.mapred.TaskAttemptListenerImpl
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