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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4634) Scheduler UI/Metrics need to consider cases like non-queue label mappings
Date Wed, 09 Mar 2016 19:15:41 GMT

    [ https://issues.apache.org/jira/browse/YARN-4634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15187705#comment-15187705
] 

Wangda Tan commented on YARN-4634:
----------------------------------

Looks good, +1.

> Scheduler UI/Metrics need to consider cases like non-queue label mappings
> -------------------------------------------------------------------------
>
>                 Key: YARN-4634
>                 URL: https://issues.apache.org/jira/browse/YARN-4634
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>    Affects Versions: 2.7.1
>            Reporter: Sunil G
>            Assignee: Sunil G
>         Attachments: 0001-YARN-4634.patch, 0002-YARN-4634.patch, 0003-YARN-4634.patch,
0004-YARN-4634.patch, 0005-YARN-4634.patch
>
>
> Currently when label-queue mappings are not available, there are few assumptions taken
in UI and in metrics.
> In above case where labels are enabled and available in cluster but without any queue
mappings, UI displays queues under labels. This is not correct.
> Currently  labels enabled check and availability of labels are considered to render scheduler
UI. Henceforth we also need to check whether 
> - queue-mappings are available
> - nodes are mapped with labels with proper exclusivity flags on
> This ticket also will try to see the default configurations in queue when labels are
not mapped. 



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