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Date: Fri, 13 Nov 2009 23:15:39 +0000 (UTC)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Subject: [jira] Commented: (MAPREDUCE-961) ResourceAwareLoadManager to
 dynamically decide new tasks based on current CPU/memory load on
 TaskTracker(s)
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12777729#action_12777729 ] 

Hadoop QA commented on MAPREDUCE-961:
-------------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12424888/MAPREDUCE-961-v4.patch
  against trunk revision 835968.

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

    +1 tests included.  The patch appears to include 9 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 does not introduce any new Findbugs warnings.

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

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/242/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/242/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/242/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/242/console

This message is automatically generated.

> ResourceAwareLoadManager to dynamically decide new tasks based on current CPU/memory load on TaskTracker(s)
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-961
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-961
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: contrib/fair-share
>    Affects Versions: 0.22.0
>            Reporter: dhruba borthakur
>            Assignee: Scott Chen
>             Fix For: 0.22.0
>
>         Attachments: HIVE-961.patch, MAPREDUCE-961-v2.patch, MAPREDUCE-961-v3.patch, MAPREDUCE-961-v4.patch
>
>
> Design and develop a ResouceAwareLoadManager for the FairShare scheduler that dynamically decides how many maps/reduces to run on a particular machine based on the CPU/Memory/diskIO/network usage in that machine.  The amount of resources currently used on each task tracker is being fed into the ResourceAwareLoadManager in real-time via an entity that is external to Hadoop.

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