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https://issues.apache.org/jira/browse/MAPREDUCE-2441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13032190#comment-13032190
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Arun C Murthy commented on MAPREDUCE-2441:
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Allen, I'm sorry I missed this ticket.
As we briefly spoke over IM previously, the CS in 0.20.203 is designed to not
allow a single user to go over the natural limit of the queue. As in the docs,
you'll need to set the user-limit-factor for the queue to allow a user to go
over... I'm pretty sure I told you on in person ;)
> regression: maximum limit of -1 + user-lmit math appears to be off
> ------------------------------------------------------------------
>
> Key: MAPREDUCE-2441
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2441
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/capacity-sched
> Affects Versions: 0.20.203.0
> Reporter: Allen Wittenauer
> Priority: Critical
> Attachments: capsched.xml
>
>
> The math around the slot usage when maximum-capacity=-1 appears to be faulty.
> See comments.
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