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Posted to yarn-issues@hadoop.apache.org by "Xuan Gong (JIRA)" <ji...@apache.org> on 2015/02/27 21:13:05 UTC
[jira] [Created] (YARN-3280) Findbug issue in FairScheduler
Xuan Gong created YARN-3280:
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Summary: 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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