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Posted to issues@mesos.apache.org by "Timothy Chen (JIRA)" <ji...@apache.org> on 2015/01/23 03:25:38 UTC

[jira] [Commented] (MESOS-2251) High CPU usage of mesos-slave when running many tasks

    [ https://issues.apache.org/jira/browse/MESOS-2251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14288616#comment-14288616 ] 

Timothy Chen commented on MESOS-2251:
-------------------------------------

What's your slave configurations?
And also did you try to run it with perf to see what's the most outstanding CPU consumer?

> High CPU usage of mesos-slave when running many tasks
> -----------------------------------------------------
>
>                 Key: MESOS-2251
>                 URL: https://issues.apache.org/jira/browse/MESOS-2251
>             Project: Mesos
>          Issue Type: Bug
>          Components: slave
>    Affects Versions: 0.22.0
>            Reporter: Dario Rexin
>
> Starting many tasks (in my case 80) on a single slave leads to extremely high cpu usage of the slave process. On a 4 core (4GHz Core i7 8 Threads) I observed up to 210% CPU usage. The CPU usage only goes down, when the tasks are stoppped.



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