[jira] Updated: (MAPREDUCE-1105) CapacityScheduler: It should be possible to set queue hard-limit beyond it's actual capacity

["Allen Wittenauer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer updated MAPREDUCE-1105:
----------------------------------------

    Attachment: MAPREDUCE-1105_apache0202.txt

This is a back port of this (and likely other capacity changes) from Yahoo! 0.20 to Apache 0.20.2.

> CapacityScheduler: It should be possible to set queue hard-limit beyond it's actual capacity
> --------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1105
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1105
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/capacity-sched
>    Affects Versions: 0.21.0
>            Reporter: Arun C Murthy
>            Assignee: rahul k singh
>            Priority: Blocker
>             Fix For: 0.21.0
>
>         Attachments: MAPRED-1105-21-1.patch, MAPRED-1105-21-2.patch, MAPRED-1105-21-3.patch, MAPRED-1105-21-3.patch, MAPREDUCE-1105-version20-2.patch, MAPREDUCE-1105-version20.patch.txt, MAPREDUCE-1105-yahoo-version20-3.patch, MAPREDUCE-1105-yahoo-version20-4.patch, MAPREDUCE-1105-yahoo-version20-5.patch, MAPREDUCE-1105_apache0202.txt
>
>
> Currently the CS caps a queue's capacity to it's actual capacity if a hard-limit is specified to be greater than it's actual capacity. We should allow the queue to go upto the hard-limit if specified.
> Also, I propose we change the hard-limit unit to be percentage rather than #slots.

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