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Posted to yarn-issues@hadoop.apache.org by "Thomas Graves (JIRA)" <ji...@apache.org> on 2015/04/01 23:11:54 UTC

[jira] [Commented] (YARN-656) In scheduler UI, including reserved memory in "Memory Total" can make it exceed cluster capacity.

    [ https://issues.apache.org/jira/browse/YARN-656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14391472#comment-14391472 ] 

Thomas Graves commented on YARN-656:
------------------------------------

Note this broke the UI, at least for the capacity scheduler.

It now displays total that is lacking the reserved.   Perhaps this is a difference in how fair scheduler and capacity scheduler keep track of allocated vs reservations.

> In scheduler UI, including reserved memory in "Memory Total" can make it exceed cluster capacity.
> -------------------------------------------------------------------------------------------------
>
>                 Key: YARN-656
>                 URL: https://issues.apache.org/jira/browse/YARN-656
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager, scheduler
>    Affects Versions: 2.0.4-alpha
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>             Fix For: 2.1.0-beta
>
>         Attachments: YARN-656-1.patch, YARN-656.patch
>
>
> "Memory Total" is currently a sum of availableMB, allocatedMB, and reservedMB.  Including reservedMB in this sum can make the total exceed the capacity of the cluster. 



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