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From "Miklos Szegedi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6562) Unable to delete cgroup to /xxx, system cpu utility continuously rise
Date Fri, 05 May 2017 22:09:04 GMT

    [ https://issues.apache.org/jira/browse/YARN-6562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15999035#comment-15999035

Miklos Szegedi commented on YARN-6562:

Thank you, [~yangjiandan] for reporting this. Which process accounts for the cpu utilization?
Does the tasks file contain process ids when we try to delete them?

> Unable to delete cgroup to /xxx, system cpu utility continuously rise
> ---------------------------------------------------------------------
>                 Key: YARN-6562
>                 URL: https://issues.apache.org/jira/browse/YARN-6562
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.6.2
>            Reporter: Yang Jiandan
>         Attachments: sys_cpu.png
> Delete Cgroup container file timeout, nodemanager log shows many cgroup files was deleted
failed, this leads to  system cpu utility continuously rise, and system cpu utility will be
normal when i delete cgroup file by hand.
> 2017-05-05 11:59:24,356 WARN org.apache.hadoop.yarn.server.nodemanager.util.CgroupsLCEResourcesHandler:
Unable to delete cgroup at: /cgroup/cpu/hadoop-yarn/container_1433401960005_3097222_01_000223,
tried to delete for 1000ms

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