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https://issues.apache.org/jira/browse/HADOOP-10285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13916375#comment-13916375
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Hudson commented on HADOOP-10285:
---------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #5248 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/5248/])
Update target version to 2.4.0 for HADOOP-10278 and HADOOP-10285 in CHANGES.txt 
(arp: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1573070)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt


> Admin interface to swap callqueue at runtime
> --------------------------------------------
>
>                 Key: HADOOP-10285
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10285
>             Project: Hadoop Common
>          Issue Type: Sub-task
>            Reporter: Chris Li
>             Fix For: 3.0.0, 2.4.0
>
>         Attachments: HADOOP-10285.patch, HADOOP-10285.patch, 
> HADOOP-10285.patch, HADOOP-10285.patch, bisection-test.patch, 
> bisection-test.patch, bisection-test.patch, bisection-test.patch, 
> bisection-test.patch
>
>
> We wish to swap the active call queue during runtime in order to do 
> performance tuning without restarting the namenode.
> This patch adds the ability to refresh the call queue on the namenode, 
> through dfsadmin -refreshCallQueue



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