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https://issues.apache.org/jira/browse/YARN-6515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Naganarasimha G R updated YARN-6515:
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Attachment: YARN-6515.002.patch
Sorry for keeping this jira pending since a long time, was not sure whether to
go ahead with the fix for the find bug report in DockerLinuxContainerRuntime.
To proceed for other issues i have uploaded a patch excluding it.
[[email protected]], would you mind handling the findbug issue in
{{DockerLinuxContainerRuntime}} in YARN-6757 or new jira?
cc / [~ajisakaa]
> Fix warnings from Spotbugs in hadoop-yarn-server-nodemanager
> ------------------------------------------------------------
>
> Key: YARN-6515
> URL: https://issues.apache.org/jira/browse/YARN-6515
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Reporter: Naganarasimha G R
> Assignee: Naganarasimha G R
> Attachments: YARN-6515.001.patch, YARN-6515.002.patch
>
>
> 5 find bugs issue was reported NM project as part of the YARN-4166 [build|
> https://builds.apache.org/job/PreCommit-YARN-Build/15694/artifact/patchprocess/branch-findbugs-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager-warnings.html]
> Issue 1:
>
> org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainerMetrics.usageMetrics
> is a mutable collection which should be package protected
> Bug type MS_MUTABLE_COLLECTION_PKGPROTECT (click for details)
> In class
> org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainerMetrics
> Field
> org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainerMetrics.usageMetrics
> At ContainerMetrics.java:\[line 134\]
> Issue 2:
>
> org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer.createStatus()
> makes inefficient use of keySet iterator instead of entrySet iterator
> Bug type WMI_WRONG_MAP_ITERATOR (click for details)
> In class
> org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer
> In method
> org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer.createStatus()
> Field
> org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer.pendingResources
> At ContainerLocalizer.java:\[line 334\]
> Issue 3:
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.removeVeryOldStoppedContainersFromCache()
> makes inefficient use of keySet iterator instead of entrySet iterator
> Bug type WMI_WRONG_MAP_ITERATOR (click for details)
> In class org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl
> In method
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.removeVeryOldStoppedContainersFromCache()
> Field
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.recentlyStoppedContainers
> At NodeStatusUpdaterImpl.java:\[line 721\]
> Issue 4:
> Hard coded reference to an absolute pathname in
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.DockerLinuxContainerRuntime.launchContainer(ContainerRuntimeContext)
> Bug type DMI_HARDCODED_ABSOLUTE_FILENAME (click for details)
> In class
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.DockerLinuxContainerRuntime
> In method
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.DockerLinuxContainerRuntime.launchContainer(ContainerRuntimeContext)
> File name /sys/fs/cgroup
> At DockerLinuxContainerRuntime.java:\[line 455\]
> Useless object stored in variable removedNullContainers of method
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.removeOrTrackCompletedContainersFromContext(List)
> Bug type UC_USELESS_OBJECT (click for details)
> In class org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl
> In method
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.removeOrTrackCompletedContainersFromContext(List)
> Value removedNullContainers
> Type java.util.HashSet
> At NodeStatusUpdaterImpl.java:\[line 644\]
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