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Posted to yarn-issues@hadoop.apache.org by "Carlo Curino (JIRA)" <ji...@apache.org> on 2013/05/08 17:19:16 UTC

[jira] [Commented] (YARN-656) In scheduler UI, "Memory Total" should not include reserved memory.

    [ https://issues.apache.org/jira/browse/YARN-656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13651981#comment-13651981 ] 

Carlo Curino commented on YARN-656:
-----------------------------------

Sandy, I am not sure about this one. I would expect memory total to captured to total amount of memory in the cluster, and so be more or less a constant (not fluctuation due to reservations). I am not 100% sure, but I think that for the CapacityScheduler reservations count against availableMB, so it works fine as-is. Am I missing something?
                
> In scheduler UI, "Memory Total" should not include reserved memory.
> -------------------------------------------------------------------
>
>                 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
>
> "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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