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Posted to yarn-issues@hadoop.apache.org by "Masatake Iwasaki (Jira)" <ji...@apache.org> on 2020/07/21 13:16:00 UTC
[jira] [Updated] (YARN-6515) Fix warnings from Spotbugs in
hadoop-yarn-server-nodemanager
[ https://issues.apache.org/jira/browse/YARN-6515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Masatake Iwasaki updated YARN-6515:
-----------------------------------
Fix Version/s: 2.10.1
> 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
> Priority: Major
> Fix For: 3.0.0-beta1, 2.10.1
>
> 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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