Junping Du created MAPREDUCE-4452:
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Summary: Several Findbugs issues with new FairScheduler in YARN
Key: MAPREDUCE-4452
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4452
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: scheduler
Affects Versions: 2.1.0-alpha
Reporter: Junping Du
Assignee: Junping Du
The good feature of FairScheduler is added recently to YARN. As recently
PreCommit test from MAPREDUCE-4309, there are several bugs found by Findbugs
related to FairScheduler:
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairSchedulerEventLog.shutdown()
might ignore java.lang.Exception
Inconsistent synchronization of
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairSchedulerEventLog.logDisabled;
locked 50% of time
Inconsistent synchronization of
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.QueueManager.queueMaxAppsDefault;
locked 50% of time
Inconsistent synchronization of
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.QueueManager.userMaxAppsDefault;
locked 50% of time
The details are
in:https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2612//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-yarn-server-resourcemanager.html#DE_MIGHT_IGNORE
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