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Posted to mapreduce-issues@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2013/06/03 03:06:21 UTC

[jira] [Updated] (MAPREDUCE-5290) CLONE - CapacityScheduler incorrectly utilizes extra-resources of queue for high-memory jobs

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arun C Murthy updated MAPREDUCE-5290:
-------------------------------------

    Affects Version/s:     (was: 1.0.0)
                       2.0.4-alpha
    
> CLONE - CapacityScheduler incorrectly utilizes extra-resources of queue for high-memory jobs
> --------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5290
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5290
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: capacity-sched
>    Affects Versions: 2.0.4-alpha
>            Reporter: Sergey Tryuber
>            Assignee: Arun C Murthy
>             Fix For: 2.1.0-beta
>
>
> Imagine, we have a queue A with capacity 10 slots and 20 as extra-capacity, jobs which use 3 map slots will never consume more than 9 slots, regardless how many free slots on a cluster.

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