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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-5482) ContainerMetric Lead to memory leaks
Date Mon, 08 Aug 2016 15:20:21 GMT

     [ https://issues.apache.org/jira/browse/YARN-5482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jason Lowe updated YARN-5482:
    Assignee: tangshangwen  (was: Jason Lowe)

This is really more of a duplicate of YARN-5341 since this was reported against 2.7.  It's
fixed in 2.7.4.  Backporting YARN-5296 could also fix the issue but causes other problems,
hence why we fixed it specifically for 2.7 in YAN-5341.

> 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: tangshangwen
>         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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