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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3111) Fix ratio problem on FairScheduler page
Date Fri, 06 Mar 2015 15:21:38 GMT

    [ https://issues.apache.org/jira/browse/YARN-3111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14350450#comment-14350450
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Karthik Kambatla commented on YARN-3111:
----------------------------------------

What do you guys think of overlaying CPU and memory usage, the way steady and instantaneous
fairshares are laid out today?

We could just add another value, bar when more resources are supported in YARN. I hope it
doesn't get too cluttered, as we have a maximum of four resources? 

> 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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