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Posted to yarn-issues@hadoop.apache.org by "Sandy Ryza (JIRA)" <ji...@apache.org> on 2013/04/20 00:17:16 UTC

[jira] [Commented] (YARN-289) Fair scheduler allows reservations that won't fit on node

    [ https://issues.apache.org/jira/browse/YARN-289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13636940#comment-13636940 ] 

Sandy Ryza commented on YARN-289:
---------------------------------

Uploaded a patch that rejects reservations that would not fit on a node, as well as cancels reservations that no longer fit on a node.
                
> Fair scheduler allows reservations that won't fit on node
> ---------------------------------------------------------
>
>                 Key: YARN-289
>                 URL: https://issues.apache.org/jira/browse/YARN-289
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>         Attachments: YARN-289.patch
>
>
> An application requests a container with 1024 MB.  It then requests a container with 2048 MB.  A node shows up with 1024 MB available.  Even if the application is the only one running, neither request will be scheduled on it.

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