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https://issues.apache.org/jira/browse/YARN-5482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe reassigned YARN-5482:
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Assignee: Jason Lowe (was: tangshangwen)
> ContainerMetric Lead to memory leaks
> ------------------------------------
>
> Key: YARN-5482
> URL: https://issues.apache.org/jira/browse/YARN-5482
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.7.1
> Reporter: tangshangwen
> Assignee: Jason Lowe
> Attachments: oom1.png, oom2.png
>
>
> In our cluster, I often find NodeManager OOM, I dump the heap file and found
> ContainerMetric takes up a lot of memory
> {code}
> export YARN_NODEMANAGER_OPTS="-Xmx2g -Xms2g -Xmn1g -XX:PermSize=128M
> -XX:MaxPermSize=128M -XX:+DisableExplicitGC -XX:+HeapDumpOnOutOfMemoryError
> -XX:HeapDumpPath=/data1/yarn-logs/nm_dump.log -Dcom.sun.management.jmxremote
> -Xloggc:/data1/yarn-logs/nm_gc.log -verbose:gc -XX:+PrintGCDetails
> -XX:+PrintGCDateStamps -XX:+PrintGCApplicationStoppedTime
> -XX:+PrintGCApplicationConcurrentTime -XX:+PrintTenuringDistribution
> -XX:ErrorFile=/data1/yarn-logs/nm_err_pid"
> {code}
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