Ashwin Shankar commented on YARN-3111:

bq.This dominant resource type is decided by queue's usage resource to cluster ?
Yes correct.

bq. Is "tooltip" the block displayed as "xxx Queue Status", and content like 
"Used Resources" & "Num Active Applications"? 
No. I just attached an image parenttooltip.png which shows tooltip when I hover 
over "root.a" parent queue. This is from local cluster built from trunk.

bq. I edit FairSchedulerPage.java and add queue status info for 
non-leafQueue(include root).
If need, I can file a new issue for this.
This would be nice, I'll leave it up to [~ka...@cloudera.com] to decide if we 
want a separate issue for this.

> 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
>         Attachments: YARN-3111.1.patch, YARN-3111.png, parenttooltip.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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