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YARN-4400. AsyncDispatcher.waitForDrained should be final. Contributed by Daniel Templeton.

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This commit is contained in:
Junping Du 2015-12-23 08:55:12 -08:00
parent 882f2f0464
commit bb5df272b9
2 changed files with 4 additions and 1 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -1182,6 +1182,9 @@ Release 2.8.0 - UNRELEASED
YARN-4477. FairScheduler: Handle condition which can result in an YARN-4477. FairScheduler: Handle condition which can result in an
infinite loop in attemptScheduling. (Tao Jie via asuresh) infinite loop in attemptScheduling. (Tao Jie via asuresh)
YARN-4400. AsyncDispatcher.waitForDrained should be final. (Daniel Templeton
via junping_du)
Release 2.7.3 - UNRELEASED Release 2.7.3 - UNRELEASED
INCOMPATIBLE CHANGES INCOMPATIBLE CHANGES

2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/AsyncDispatcher.java
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@ -59,7 +59,7 @@ public class AsyncDispatcher extends AbstractService implements Dispatcher {
// Indicates all the remaining dispatcher's events on stop have been drained // Indicates all the remaining dispatcher's events on stop have been drained
// and processed. // and processed.
private volatile boolean drained = true; private volatile boolean drained = true;
private Object waitForDrained = new Object(); private final Object waitForDrained = new Object();
// For drainEventsOnStop enabled only, block newly coming events into the // For drainEventsOnStop enabled only, block newly coming events into the
// queue while stopping. // queue while stopping.