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From "Allen Wittenauer (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-1679) capacity scheduler's user-limit documentation is not helpful
Date Wed, 02 Nov 2011 17:43:32 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Allen Wittenauer resolved MAPREDUCE-1679.

    Resolution: Won't Fix

No one looks at Hadoop's documentation so this won't get fixed.
> capacity scheduler's user-limit documentation is not helpful
> ------------------------------------------------------------
>                 Key: MAPREDUCE-1679
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1679
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/capacity-sched
>    Affects Versions: 0.20.2, 0.21.0, 0.22.0
>            Reporter: Allen Wittenauer
>            Priority: Trivial
> The example given for the user limit tunable doesn't actually show how that value comes
into play.  With 4 users, the Max() is 25 for both the user limit and the capacity limit (from
my reading of the source).  Either pushing the example to 5 users or raising the user limit
to something higher than 25 would help a great deal.  Also, presenting this info in tabular
format showing how the max() value is in play would also be great.

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