本文整理汇总了Java中org.apache.hadoop.mapred.JobInProgress.unreserveTaskTracker方法的典型用法代码示例。如果您正苦于以下问题：Java JobInProgress.unreserveTaskTracker方法的具体用法？Java JobInProgress.unreserveTaskTracker怎么用？Java JobInProgress.unreserveTaskTracker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.mapred.JobInProgress的用法示例。
在下文中一共展示了JobInProgress.unreserveTaskTracker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: unreserveSlots
import org.apache.hadoop.mapred.JobInProgress; //导入方法依赖的package包/类
/**
* Free map slots on this <code>TaskTracker</code> which were reserved for
* <code>taskType</code>.
* @param taskType {@link TaskType} of the task
* @param job job whose slots are being un-reserved
*/
public void unreserveSlots(TaskType taskType, JobInProgress job) {
JobID jobId = job.getJobID();
if (taskType == TaskType.MAP) {
if (jobForFallowMapSlot == null ||
!jobForFallowMapSlot.getJobID().equals(jobId)) {
throw new RuntimeException(trackerName + " already has " +
"slots reserved for " +
jobForFallowMapSlot + "; being" +
" asked to un-reserve for " + jobId);
}
jobForFallowMapSlot = null;
} else {
if (jobForFallowReduceSlot == null ||
!jobForFallowReduceSlot.getJobID().equals(jobId)) {
throw new RuntimeException(trackerName + " already has " +
"slots reserved for " +
jobForFallowReduceSlot + "; being" +
" asked to un-reserve for " + jobId);
}
jobForFallowReduceSlot = null;
}
job.unreserveTaskTracker(this, taskType);
LOG.info(trackerName + ": Unreserved " + taskType + " slots for " + jobId);
}