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Posted to mapreduce-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2014/07/22 21:00:40 UTC

[jira] [Resolved] (MAPREDUCE-322) TaskTracker shuold run user tasks nicely in the local machine

     [ https://issues.apache.org/jira/browse/MAPREDUCE-322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved MAPREDUCE-322.
----------------------------------------

    Resolution: Fixed

This has been fixed with both cgroups and task level niceness.

> TaskTracker shuold run user tasks nicely in the local machine
> -------------------------------------------------------------
>
>                 Key: MAPREDUCE-322
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-322
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Tsz Wo Nicholas Sze
>
> If one task tried to use all CPUs in a local machine, all other tasks or processes (includes tasktracker and datanode daemons) may hardly get a chance to run.



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