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Posted to yarn-issues@hadoop.apache.org by "Varun Saxena (JIRA)" <ji...@apache.org> on 2015/02/27 21:39:04 UTC
[jira] [Commented] (YARN-3280) Findbug issue in FairScheduler
[ https://issues.apache.org/jira/browse/YARN-3280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14340769#comment-14340769 ]
Varun Saxena commented on YARN-3280:
------------------------------------
[~xgong], duplicate of YARN-3204 ?
> Findbug issue in FairScheduler
> ------------------------------
>
> Key: YARN-3280
> URL: https://issues.apache.org/jira/browse/YARN-3280
> Project: Hadoop YARN
> Issue Type: Bug
> Components: fairscheduler
> Reporter: Xuan Gong
>
> Several findbug issue:
> {code}
>
> Bug type IS2_INCONSISTENT_SYNC (click for details)
> In class org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationFileLoaderService
> Field org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationFileLoaderService.reloadListener
> Synchronized 50% of the time
> Unsynchronized access at AllocationFileLoaderService.java:[line 410]
> Synchronized access at AllocationFileLoaderService.java:[line 192]
> {code}
> {code}
>
> Bug type IS2_INCONSISTENT_SYNC (click for details)
> In class org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler
> Field org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.allocConf
> Synchronized 80% of the time
> Unsynchronized access at FairScheduler.java:[line 1637]
> Unsynchronized access at FairScheduler.java:[line 1466]
> Synchronized access at FairScheduler.java:[line 1246]
> Synchronized access at FairScheduler.java:[line 1339]
> Synchronized access at FairScheduler.java:[line 1540]
> Synchronized access at FairScheduler.java:[line 1678]
> Synchronized access at FairScheduler.java:[line 694]
> Synchronized access at FairScheduler.java:[line 1477]
> Synchronized access at FairScheduler.java:[line 1478]
> Synchronized access at FairScheduler.java:[line 1479]
> {code}
> {code}
>
> Bug type IS2_INCONSISTENT_SYNC (click for details)
> In class org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler
> Field org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.fsOpDurations
> Synchronized 66% of the time
> Unsynchronized access at FairScheduler.java:[line 264]
> Unsynchronized access at FairScheduler.java:[line 1016]
> Synchronized access at FairScheduler.java:[line 1331]
> Synchronized access at FairScheduler.java:[line 432]
> Synchronized access at FairScheduler.java:[line 328]
> Synchronized access at FairScheduler.java:[line 987]
> {code}
> {code}
>
> Bug type IS2_INCONSISTENT_SYNC (click for details)
> In class org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler
> Field org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.updateInterval
> Synchronized 75% of the time
> Unsynchronized access at FairScheduler.java:[line 259]
> Synchronized access at FairScheduler.java:[line 1321]
> Synchronized access at FairScheduler.java:[line 1322]
> Synchronized access at FairScheduler.java:[line 1323]
> {code}
> {code}
>
> Bug type BC_UNCONFIRMED_CAST (click for details)
> In class org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSSchedulerNode
> In method org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSSchedulerNode.reserveResource(SchedulerApplicationAttempt, Priority, RMContainer)
> Actual type org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt
> Expected org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt
> Value loaded from application
> At FSSchedulerNode.java:[line 79]
> {code}
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