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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-893) Provide an ability to refresh queue configuration without restart.
Date Fri, 18 Sep 2009 01:46:57 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12756900#action_12756900

Hadoop QA commented on MAPREDUCE-893:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 816240.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 39 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    -1 findbugs.  The patch appears to introduce 1 new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit

    -1 core tests.  The patch failed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h3.grid.sp2.yahoo.net/46/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h3.grid.sp2.yahoo.net/46/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h3.grid.sp2.yahoo.net/46/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h3.grid.sp2.yahoo.net/46/console

This message is automatically generated.

> Provide an ability to refresh queue configuration without restart.
> ------------------------------------------------------------------
>                 Key: MAPREDUCE-893
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-893
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: jobtracker
>            Reporter: Hemanth Yamijala
>            Assignee: Vinod K V
>             Fix For: 0.21.0
>         Attachments: MAPREDUCE-893-20090915.1.txt, MAPREDUCE-893-20090917.2.txt, MAPREDUCE-893-20090917.4.txt
> While administering a cluster using multiple queues, administrators feel a need to refresh
queue properties on the fly without needing to restart the JobTracker. This is partially supported
for some properties such as queue ACLs (HADOOP-5396) and state (HADOOP-5913). The idea is
to extend the facility to refresh other queue properties as well, including scheduler properties.

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