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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-6088) Ambari-web's YARN Metric "Queue Memory Used" is not meaningful
Date Thu, 26 Jun 2014 03:18:25 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-6088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14044303#comment-14044303
] 

Zhijie Shen commented on AMBARI-6088:
-------------------------------------

[~hars.vardhan], right! I missed the point that CS allows to go beyond the absolute capacity.
Then, we have to use absolute capacity as you suggested. The question is what information
"Queue Memory Used" wants to convey? The metric can go beyond 100%, which means used queue
memory is more than the absolute capacity. [~srimanth.gunturi], does this make sense to Ambari
users?

> Ambari-web's YARN Metric "Queue Memory Used" is not meaningful
> --------------------------------------------------------------
>
>                 Key: AMBARI-6088
>                 URL: https://issues.apache.org/jira/browse/AMBARI-6088
>             Project: Ambari
>          Issue Type: Bug
>    Affects Versions: 1.5.1, 1.6.0, 1.6.1
>            Reporter: Hars Vardhan
>              Labels: patch
>             Fix For: 1.6.1
>
>         Attachments: AMBARI-6088.patch
>
>
> On this webUI : http://<ambari-host-name>:8080/#/main/services/YARN/summary 
> "Queue Memory Used" graph in Ambari' YARN web page seems abnormal. Sometimes, queue is
using more than 400% of the cluster memory!! How this is calculated? It doesn't match with
any metrics shown on Resource Manager UI page.



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