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From "Ashwin Shankar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3111) Fix ratio problem on FairScheduler page
Date Fri, 06 Mar 2015 06:17:38 GMT

    [ https://issues.apache.org/jira/browse/YARN-3111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14350017#comment-14350017
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Ashwin Shankar commented on YARN-3111:
--------------------------------------

[~kasha@cloudera.com],
Yes when cluster capacity is 0, it would be nice to show the ratio as 0.
Yes it makes sense to show both resources as percentages for the shares, but I can't think
of a good way of displaying it on the bars.
Did you have anything in mind ?

> Fix ratio problem on FairScheduler page
> ---------------------------------------
>
>                 Key: YARN-3111
>                 URL: https://issues.apache.org/jira/browse/YARN-3111
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>    Affects Versions: 2.6.0
>            Reporter: Peng Zhang
>            Assignee: Peng Zhang
>            Priority: Minor
>             Fix For: 2.7.0
>
>         Attachments: YARN-3111.1.patch, YARN-3111.png
>
>
> Found 3 problems on FairScheduler page:
> 1. Only compute memory for ratio even when queue schedulingPolicy is DRF.
> 2. When min resources is configured larger than real resources, the steady fair share
ratio is so long that it is out the page.
> 3. When cluster resources is 0(no nodemanager start), ratio is displayed as "NaN% used"
> Attached image shows the snapshot of above problems. 



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