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From "Rohith (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3273) Improve web UI to facilitate scheduling analysis and debugging
Date Wed, 18 Mar 2015 05:20:39 GMT

    [ https://issues.apache.org/jira/browse/YARN-3273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14366657#comment-14366657
] 

Rohith commented on YARN-3273:
------------------------------

Thanks [~jianhe] for reviewing and committing the patch!!

> Improve web UI to facilitate scheduling analysis and debugging
> --------------------------------------------------------------
>
>                 Key: YARN-3273
>                 URL: https://issues.apache.org/jira/browse/YARN-3273
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Jian He
>            Assignee: Rohith
>             Fix For: 2.8.0
>
>         Attachments: 0001-YARN-3273-v1.patch, 0001-YARN-3273-v2.patch, 0002-YARN-3273.patch,
0003-YARN-3273.patch, 0003-YARN-3273.patch, 0004-YARN-3273.patch, YARN-3273-am-resource-used-AND-User-limit-v2.PNG,
YARN-3273-am-resource-used-AND-User-limit.PNG, YARN-3273-application-headroom-v2.PNG, YARN-3273-application-headroom.PNG
>
>
> Job may be stuck for reasons such as:
> - hitting queue capacity 
> - hitting user-limit, 
> - hitting AM-resource-percentage 
> The  first queueCapacity is already shown on the UI.
> We may surface things like:
> - what is user's current usage and user-limit; 
> - what is the AM resource usage and limit;
> - what is the application's current HeadRoom;
>  



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