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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6610) DominantResourceCalculator.getResourceAsValue() dominant param is no longer appropriate
Date Tue, 15 Aug 2017 13:55:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6610?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16127261#comment-16127261
] 

Sunil G commented on YARN-6610:
-------------------------------

Yes [~templedf]
I am still not very sure. I suggested those optimizations if possible because I saw a small
performance dip with this patch post YARN-6892. I am working on some concrete numbers to share.
I ll share soon.

> DominantResourceCalculator.getResourceAsValue() dominant param is no longer appropriate
> ---------------------------------------------------------------------------------------
>
>                 Key: YARN-6610
>                 URL: https://issues.apache.org/jira/browse/YARN-6610
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: YARN-3926
>            Reporter: Daniel Templeton
>            Assignee: Daniel Templeton
>            Priority: Critical
>         Attachments: YARN-6610.001.patch, YARN-6610.YARN-3926.002.patch, YARN-6610.YARN-3926.003.patch,
YARN-6610.YARN-3926.004.patch, YARN-6610.YARN-3926.005.patch
>
>
> The {{dominant}} param assumes there are only two resources, i.e. true means to compare
the dominant, and false means to compare the subordinate.  Now that there are _n_ resources,
this parameter no longer makes sense.



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