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From "sandflee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5301) NM mount cpu cgroups failed on some system
Date Thu, 30 Jun 2016 07:33:10 GMT

    [ https://issues.apache.org/jira/browse/YARN-5301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15356671#comment-15356671
] 

sandflee commented on YARN-5301:
--------------------------------

thanks [~piaoyu zhang],  YARN-2194 aims to start container  with cgroups were already mounted.
 but NM could not auto mount cpu controller if cpu controller is "cpu,cpuacct" not "cpu".

> NM mount cpu cgroups failed on some system
> ------------------------------------------
>
>                 Key: YARN-5301
>                 URL: https://issues.apache.org/jira/browse/YARN-5301
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: sandflee
>            Assignee: sandflee
>
> on ubuntu  with linux kernel 3.19, , NM start failed if enable auto mount cgroup. try
command:
> ./bin/container-executor --mount-cgroups yarn-hadoop cpu=/cgroup/cpu    fail
> ./bin/container-executor --mount-cgroups yarn-hadoop cpu,cpuacct=/cgroup/cpu    succ



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