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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-355) RM app submission jams under load
Date Tue, 05 Feb 2013 17:02:11 GMT

    [ https://issues.apache.org/jira/browse/YARN-355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13571461#comment-13571461
] 

Hadoop QA commented on YARN-355:
--------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12568032/YARN-355.branch-23.patch
  against trunk revision .

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-YARN-Build/381//console

This message is automatically generated.
                
> RM app submission jams under load
> ---------------------------------
>
>                 Key: YARN-355
>                 URL: https://issues.apache.org/jira/browse/YARN-355
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.0.0-alpha, 0.23.6
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Blocker
>         Attachments: YARN-355.branch-23.patch, YARN-355.branch-23.patch, YARN-355.patch,
YARN-355.patch
>
>
> The RM performs a loopback connection to itself to renew its own tokens.  If app submissions
consume all RPC handlers for {{ClientRMProtocol}}, then app submissions block because it cannot
loopback to itself to do the renewal.

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