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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5146) [YARN-3368] Supports Fair Scheduler in new YARN UI
Date Fri, 07 Jul 2017 06:49:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-5146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16077703#comment-16077703
] 

Sunil G commented on YARN-5146:
-------------------------------

Mouse hover over queue icon will make a REST call to server (adapter will be invoked). It
wont be good if we have 3 calls going to server on each mouse hover.

Couple of options:
# We could stick with the two calls in a minimum level as per above code snippet from Akhil
# Also it may be a wise choice to cache some scheduler payload info for queue when we load
the page itself. So any mouse hover will be faster.

However i am fine with approach 1 to unblock the progress and option2 could be a improvement
and could track in separate jira. Thoughts?

> [YARN-3368] Supports Fair Scheduler in new YARN UI
> --------------------------------------------------
>
>                 Key: YARN-5146
>                 URL: https://issues.apache.org/jira/browse/YARN-5146
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Wangda Tan
>            Assignee: Abdullah Yousufi
>         Attachments: YARN-5146.001.patch, YARN-5146.002.patch
>
>
> Current implementation in branch YARN-3368 only support capacity scheduler,  we want
to make it support fair scheduler. 



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