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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-674) Slow or failing DelegationToken renewals on submission itself make RM unavailable
Date Tue, 05 Nov 2013 05:06:21 GMT

    [ https://issues.apache.org/jira/browse/YARN-674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13813638#comment-13813638
] 

Hadoop QA commented on YARN-674:
--------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12612089/YARN-674.5.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 3 new or modified
test files.

    {color:red}-1 javac{color:red}.  The patch appears to cause the build to fail.

Console output: https://builds.apache.org/job/PreCommit-YARN-Build/2368//console

This message is automatically generated.

> Slow or failing DelegationToken renewals on submission itself make RM unavailable
> ---------------------------------------------------------------------------------
>
>                 Key: YARN-674
>                 URL: https://issues.apache.org/jira/browse/YARN-674
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Omkar Vinit Joshi
>         Attachments: YARN-674.1.patch, YARN-674.2.patch, YARN-674.3.patch, YARN-674.4.patch,
YARN-674.5.patch
>
>
> This was caused by YARN-280. A slow or a down NameNode for will make it look like RM
is unavailable as it may run out of RPC handlers due to blocked client submissions.



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