Java Code Examples for org.apache.hadoop.mapreduce.jobhistory.HistoryEvent#getEventType()

The following examples show how to use org.apache.hadoop.mapreduce.jobhistory.HistoryEvent#getEventType() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
@Override
public void handleEvent(HistoryEvent event)  { 
  EventType type = event.getEventType();

  switch (type) {
  case MAP_ATTEMPT_FINISHED:
    handleMapAttemptFinishedEvent((MapAttemptFinishedEvent) event);
super.handleEvent(event);
    break;
  case REDUCE_ATTEMPT_FINISHED:
    handleReduceAttemptFinishedEvent((ReduceAttemptFinishedEvent) event);
super.handleEvent(event);
    break;
  default:
  	super.handleEvent(event);
    break;
  }
}
 
Example 2
Source Project: hadoop   File: MRAppMaster.java    License: Apache License 2.0 4 votes vote down vote up
private List<AMInfo> readJustAMInfos() {
  List<AMInfo> amInfos = new ArrayList<AMInfo>();
  FSDataInputStream inputStream = null;
  try {
    inputStream = getPreviousJobHistoryStream(getConfig(), appAttemptID);
    EventReader jobHistoryEventReader = new EventReader(inputStream);

    // All AMInfos are contiguous. Track when the first AMStartedEvent
    // appears.
    boolean amStartedEventsBegan = false;

    HistoryEvent event;
    while ((event = jobHistoryEventReader.getNextEvent()) != null) {
      if (event.getEventType() == EventType.AM_STARTED) {
        if (!amStartedEventsBegan) {
          // First AMStartedEvent.
          amStartedEventsBegan = true;
        }
        AMStartedEvent amStartedEvent = (AMStartedEvent) event;
        amInfos.add(MRBuilderUtils.newAMInfo(
          amStartedEvent.getAppAttemptId(), amStartedEvent.getStartTime(),
          amStartedEvent.getContainerId(),
          StringInterner.weakIntern(amStartedEvent.getNodeManagerHost()),
          amStartedEvent.getNodeManagerPort(),
          amStartedEvent.getNodeManagerHttpPort()));
      } else if (amStartedEventsBegan) {
        // This means AMStartedEvents began and this event is a
        // non-AMStarted event.
        // No need to continue reading all the other events.
        break;
      }
    }
  } catch (IOException e) {
    LOG.warn("Could not parse the old history file. "
        + "Will not have old AMinfos ", e);
  } finally {
    if (inputStream != null) {
      IOUtils.closeQuietly(inputStream);
    }
  }
  return amInfos;
}
 
Example 3
Source Project: hadoop   File: JobBuilder.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * Process one {@link HistoryEvent}
 * 
 * @param event
 *          The {@link HistoryEvent} to be processed.
 */
public void process(HistoryEvent event) {
  if (finalized) {
    throw new IllegalStateException(
        "JobBuilder.process(HistoryEvent event) called after ParsedJob built");
  }

  // these are in lexicographical order by class name.
  if (event instanceof AMStartedEvent) {
    // ignore this event as Rumen currently doesnt need this event
    //TODO Enhance Rumen to process this event and capture restarts
    return;
  } else if (event instanceof NormalizedResourceEvent) {
    // Log an warn message as NormalizedResourceEvent shouldn't be written.
    LOG.warn("NormalizedResourceEvent should be ignored in history server.");
  } else if (event instanceof JobFinishedEvent) {
    processJobFinishedEvent((JobFinishedEvent) event);
  } else if (event instanceof JobInfoChangeEvent) {
    processJobInfoChangeEvent((JobInfoChangeEvent) event);
  } else if (event instanceof JobInitedEvent) {
    processJobInitedEvent((JobInitedEvent) event);
  } else if (event instanceof JobPriorityChangeEvent) {
    processJobPriorityChangeEvent((JobPriorityChangeEvent) event);
  } else if (event instanceof JobQueueChangeEvent) {
    processJobQueueChangeEvent((JobQueueChangeEvent) event);
  } else if (event instanceof JobStatusChangedEvent) {
    processJobStatusChangedEvent((JobStatusChangedEvent) event);
  } else if (event instanceof JobSubmittedEvent) {
    processJobSubmittedEvent((JobSubmittedEvent) event);
  } else if (event instanceof JobUnsuccessfulCompletionEvent) {
    processJobUnsuccessfulCompletionEvent((JobUnsuccessfulCompletionEvent) event);
  } else if (event instanceof MapAttemptFinishedEvent) {
    processMapAttemptFinishedEvent((MapAttemptFinishedEvent) event);
  } else if (event instanceof ReduceAttemptFinishedEvent) {
    processReduceAttemptFinishedEvent((ReduceAttemptFinishedEvent) event);
  } else if (event instanceof TaskAttemptFinishedEvent) {
    processTaskAttemptFinishedEvent((TaskAttemptFinishedEvent) event);
  } else if (event instanceof TaskAttemptStartedEvent) {
    processTaskAttemptStartedEvent((TaskAttemptStartedEvent) event);
  } else if (event instanceof TaskAttemptUnsuccessfulCompletionEvent) {
    processTaskAttemptUnsuccessfulCompletionEvent((TaskAttemptUnsuccessfulCompletionEvent) event);
  } else if (event instanceof TaskFailedEvent) {
    processTaskFailedEvent((TaskFailedEvent) event);
  } else if (event instanceof TaskFinishedEvent) {
    processTaskFinishedEvent((TaskFinishedEvent) event);
  } else if (event instanceof TaskStartedEvent) {
    processTaskStartedEvent((TaskStartedEvent) event);
  } else if (event instanceof TaskUpdatedEvent) {
    processTaskUpdatedEvent((TaskUpdatedEvent) event);
  } else
    throw new IllegalArgumentException(
        "JobBuilder.process(HistoryEvent): unknown event type:"
        + event.getEventType() + " for event:" + event);
}
 
Example 4
Source Project: big-c   File: MRAppMaster.java    License: Apache License 2.0 4 votes vote down vote up
private List<AMInfo> readJustAMInfos() {
  List<AMInfo> amInfos = new ArrayList<AMInfo>();
  FSDataInputStream inputStream = null;
  try {
    inputStream = getPreviousJobHistoryStream(getConfig(), appAttemptID);
    EventReader jobHistoryEventReader = new EventReader(inputStream);

    // All AMInfos are contiguous. Track when the first AMStartedEvent
    // appears.
    boolean amStartedEventsBegan = false;

    HistoryEvent event;
    while ((event = jobHistoryEventReader.getNextEvent()) != null) {
      if (event.getEventType() == EventType.AM_STARTED) {
        if (!amStartedEventsBegan) {
          // First AMStartedEvent.
          amStartedEventsBegan = true;
        }
        AMStartedEvent amStartedEvent = (AMStartedEvent) event;
        amInfos.add(MRBuilderUtils.newAMInfo(
          amStartedEvent.getAppAttemptId(), amStartedEvent.getStartTime(),
          amStartedEvent.getContainerId(),
          StringInterner.weakIntern(amStartedEvent.getNodeManagerHost()),
          amStartedEvent.getNodeManagerPort(),
          amStartedEvent.getNodeManagerHttpPort()));
      } else if (amStartedEventsBegan) {
        // This means AMStartedEvents began and this event is a
        // non-AMStarted event.
        // No need to continue reading all the other events.
        break;
      }
    }
  } catch (IOException e) {
    LOG.warn("Could not parse the old history file. "
        + "Will not have old AMinfos ", e);
  } finally {
    if (inputStream != null) {
      IOUtils.closeQuietly(inputStream);
    }
  }
  return amInfos;
}
 
Example 5
Source Project: big-c   File: JobBuilder.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * Process one {@link HistoryEvent}
 * 
 * @param event
 *          The {@link HistoryEvent} to be processed.
 */
public void process(HistoryEvent event) {
  if (finalized) {
    throw new IllegalStateException(
        "JobBuilder.process(HistoryEvent event) called after ParsedJob built");
  }

  // these are in lexicographical order by class name.
  if (event instanceof AMStartedEvent) {
    // ignore this event as Rumen currently doesnt need this event
    //TODO Enhance Rumen to process this event and capture restarts
    return;
  } else if (event instanceof NormalizedResourceEvent) {
    // Log an warn message as NormalizedResourceEvent shouldn't be written.
    LOG.warn("NormalizedResourceEvent should be ignored in history server.");
  } else if (event instanceof JobFinishedEvent) {
    processJobFinishedEvent((JobFinishedEvent) event);
  } else if (event instanceof JobInfoChangeEvent) {
    processJobInfoChangeEvent((JobInfoChangeEvent) event);
  } else if (event instanceof JobInitedEvent) {
    processJobInitedEvent((JobInitedEvent) event);
  } else if (event instanceof JobPriorityChangeEvent) {
    processJobPriorityChangeEvent((JobPriorityChangeEvent) event);
  } else if (event instanceof JobQueueChangeEvent) {
    processJobQueueChangeEvent((JobQueueChangeEvent) event);
  } else if (event instanceof JobStatusChangedEvent) {
    processJobStatusChangedEvent((JobStatusChangedEvent) event);
  } else if (event instanceof JobSubmittedEvent) {
    processJobSubmittedEvent((JobSubmittedEvent) event);
  } else if (event instanceof JobUnsuccessfulCompletionEvent) {
    processJobUnsuccessfulCompletionEvent((JobUnsuccessfulCompletionEvent) event);
  } else if (event instanceof MapAttemptFinishedEvent) {
    processMapAttemptFinishedEvent((MapAttemptFinishedEvent) event);
  } else if (event instanceof ReduceAttemptFinishedEvent) {
    processReduceAttemptFinishedEvent((ReduceAttemptFinishedEvent) event);
  } else if (event instanceof TaskAttemptFinishedEvent) {
    processTaskAttemptFinishedEvent((TaskAttemptFinishedEvent) event);
  } else if (event instanceof TaskAttemptStartedEvent) {
    processTaskAttemptStartedEvent((TaskAttemptStartedEvent) event);
  } else if (event instanceof TaskAttemptUnsuccessfulCompletionEvent) {
    processTaskAttemptUnsuccessfulCompletionEvent((TaskAttemptUnsuccessfulCompletionEvent) event);
  } else if (event instanceof TaskFailedEvent) {
    processTaskFailedEvent((TaskFailedEvent) event);
  } else if (event instanceof TaskFinishedEvent) {
    processTaskFinishedEvent((TaskFinishedEvent) event);
  } else if (event instanceof TaskStartedEvent) {
    processTaskStartedEvent((TaskStartedEvent) event);
  } else if (event instanceof TaskUpdatedEvent) {
    processTaskUpdatedEvent((TaskUpdatedEvent) event);
  } else
    throw new IllegalArgumentException(
        "JobBuilder.process(HistoryEvent): unknown event type:"
        + event.getEventType() + " for event:" + event);
}