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From "Chris Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10285) Admin interface to swap callqueue at runtime
Date Mon, 24 Feb 2014 23:46:20 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13910996#comment-13910996
] 

Chris Li commented on HADOOP-10285:
-----------------------------------

I'm not sure how this patch affects NN HA.. does anyone have any ideas? The test doesn't fail
on my local dev machine either.

> 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
>         Attachments: HADOOP-10285.patch, HADOOP-10285.patch, HADOOP-10285.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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