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类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;
}