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From "Carlo Curino (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3432) Cluster metrics have wrong Total Memory when there is reserved memory on CS
Date Thu, 27 Oct 2016 22:26:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-3432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15613466#comment-15613466
] 

Carlo Curino commented on YARN-3432:
------------------------------------

Thanks [~brahmareddy] for the patch and folks for reviewing. During the bugbash we discussed
and decide it was ok to commit as is. If you can add testcase later on would be good as well.
Committed to trunk, branch-2, branch-2.8

> Cluster metrics have wrong Total Memory when there is reserved memory on CS
> ---------------------------------------------------------------------------
>
>                 Key: YARN-3432
>                 URL: https://issues.apache.org/jira/browse/YARN-3432
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacityscheduler, resourcemanager
>    Affects Versions: 2.6.0
>            Reporter: Thomas Graves
>            Assignee: Brahma Reddy Battula
>              Labels: oct16-easy
>             Fix For: 2.8.0
>
>         Attachments: YARN-3432-002.patch, YARN-3432-003.patch, YARN-3432.patch
>
>
> I noticed that when reservations happen when using the Capacity Scheduler, the UI and
web services report the wrong total memory.
> For example.  I have a 300GB of total memory in my cluster.  I allocate 50 and I reserve
10.  The cluster metrics for total memory get reported as 290GB.
> This was broken by https://issues.apache.org/jira/browse/YARN-656 so perhaps there is
a difference between fair scheduler and capacity scheduler.



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