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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2056) Disable preemption at Queue level
Date Thu, 14 Aug 2014 18:04:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-2056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14097298#comment-14097298
] 

Sunil G commented on YARN-2056:
-------------------------------

+1 This make sense. I have a doubt though.

*max_ignored_over_capacity* will help to avoid the jitter when container sizes varies and
some times we do a little more/less preemption from leaf queue than its defined capacity.
So more or less its boil down to the resource size of containers. per-queue configuration
for max_ignored_over_capacity will definitely give more control than now, but still if heterogeneous
applications (in terms of container resource) keeps running same queue, it may be still hard
to get a correct value.    

> Disable preemption at Queue level
> ---------------------------------
>
>                 Key: YARN-2056
>                 URL: https://issues.apache.org/jira/browse/YARN-2056
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 2.4.0
>            Reporter: Mayank Bansal
>            Assignee: Eric Payne
>
> We need to be able to disable preemption at individual queue level



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