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Java EventType.AM_STARTED属性代码示例

本文整理汇总了Java中org.apache.hadoop.mapreduce.jobhistory.EventType.AM_STARTED属性的典型用法代码示例。如果您正苦于以下问题:Java EventType.AM_STARTED属性的具体用法?Java EventType.AM_STARTED怎么用?Java EventType.AM_STARTED使用的例子?那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在org.apache.hadoop.mapreduce.jobhistory.EventType的用法示例。


在下文中一共展示了EventType.AM_STARTED属性的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: readJustAMInfos

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;
}
 
开发者ID:naver,项目名称:hadoop,代码行数:42,代码来源:MRAppMaster.java


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