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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (YARN-2285) Capacity scheduler root queue usage can show above 100% due to reserved container.
Date Fri, 01 May 2015 22:23:09 GMT

     [ https://issues.apache.org/jira/browse/YARN-2285?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wangda Tan resolved YARN-2285.
------------------------------
    Resolution: Duplicate

This problem should be already resolved after YARN-3243. Closing this as duplicated.

> Capacity scheduler root queue usage can show above 100% due to reserved container.
> ----------------------------------------------------------------------------------
>
>                 Key: YARN-2285
>                 URL: https://issues.apache.org/jira/browse/YARN-2285
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: capacityscheduler
>    Affects Versions: 2.5.0
>            Reporter: Tassapol Athiapinya
>            Assignee: Wangda Tan
>            Priority: Minor
>         Attachments: preemption_5000_percent.png
>
>
> I configure queue A, B to have 1%, 99% capacity respectively. There is no max capacity
for each queue. Set high user limit factor.
> Submit app 1 to queue A. AM container takes 50% of cluster memory. Task containers take
another 50%. Submit app 2 to queue B. Preempt task containers of app 1 out. Turns out capacity
of queue B increases to 99% but queue A has 5000% used.



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