本文整理汇总了Java中org.apache.hadoop.mapreduce.v2.app.speculate.SpeculatorEvent.getTaskID方法的典型用法代码示例。如果您正苦于以下问题：Java SpeculatorEvent.getTaskID方法的具体用法？Java SpeculatorEvent.getTaskID怎么用？Java SpeculatorEvent.getTaskID使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.mapreduce.v2.app.speculate.SpeculatorEvent的用法示例。
在下文中一共展示了SpeculatorEvent.getTaskID方法的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: handle
import org.apache.hadoop.mapreduce.v2.app.speculate.SpeculatorEvent; //导入方法依赖的package包/类
@Override
public void handle(SpeculatorEvent event) {
if (disabled) {
return;
}
TaskId tId = event.getTaskID();
TaskType tType = null;
/* event's TaskId will be null if the event type is JOB_CREATE or
* ATTEMPT_STATUS_UPDATE
*/
if (tId != null) {
tType = tId.getTaskType();
}
boolean shouldMapSpec =
conf.getBoolean(MRJobConfig.MAP_SPECULATIVE, false);
boolean shouldReduceSpec =
conf.getBoolean(MRJobConfig.REDUCE_SPECULATIVE, false);
/* The point of the following is to allow the MAP and REDUCE speculative
* config values to be independent:
* IF spec-exec is turned on for maps AND the task is a map task
* OR IF spec-exec is turned on for reduces AND the task is a reduce task
* THEN call the speculator to handle the event.
*/
if ( (shouldMapSpec && (tType == null || tType == TaskType.MAP))
|| (shouldReduceSpec && (tType == null || tType == TaskType.REDUCE))) {
// Speculator IS enabled, direct the event to there.
speculator.handle(event);
}
}