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https://issues.apache.org/jira/browse/YARN-6519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15990908#comment-15990908
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Naganarasimha G R commented on YARN-6519:
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[~cheersyang], have committed this to trunk but cherry-pick seems to fail for
branch-2. Can you please correct and provide a patch for branch-2 ?
> Fix warnings from Spotbugs in hadoop-yarn-server-resourcemanager
> ----------------------------------------------------------------
>
> Key: YARN-6519
> URL: https://issues.apache.org/jira/browse/YARN-6519
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Labels: findbugs
> Attachments: YARN-6519.001.patch, YARN-6519.002.patch
>
>
> There is 8 findbugs warning in hadoop-yarn-server-timelineservice since
> switched to spotbugs
> #
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerQueueManager$1.compare(CSQueue,
> CSQueue) incorrectly handles float value
> # org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType.index
> field is public and mutable
> #
> org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService.EMPTY_CONTAINER_LIST
> is a mutable collection which should be package protected
> #
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler.EMPTY_CONTAINER_LIST
> is a mutable collection which should be package protected
> #
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics.queueMetrics
> is a mutable collection
> #
> org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy.cleanupStaledPreemptionCandidates(long)
> makes inefficient use of keySet iterator instead of entrySet iterator
> #
> org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptImpl.transferStateFromAttempt(RMAppAttempt)
> makes inefficient use of keySet iterator instead of entrySet iterator
> #
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSSchedulerNode.cleanupPreemptionList()
> makes inefficient use of keySet iterator instead of entrySet iterator
> See more from
> [https://builds.apache.org/job/PreCommit-HADOOP-Build/12157/artifact/patchprocess/branch-findbugs-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-warnings.html]
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