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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-776) Gridmix: Trace-based benchmark for Map/Reduce
Date Tue, 15 Sep 2009 17:09:59 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12755583#action_12755583
] 

Hadoop QA commented on MAPREDUCE-776:
-------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12419612/M776-3.patch
  against trunk revision 815249.

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

    +1 tests included.  The patch appears to include 6 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 failed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/79/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/79/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/79/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/79/console

This message is automatically generated.

> Gridmix: Trace-based benchmark for Map/Reduce
> ---------------------------------------------
>
>                 Key: MAPREDUCE-776
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-776
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: benchmarks
>            Reporter: Chris Douglas
>            Assignee: Chris Douglas
>         Attachments: M776-1.patch, M776-2.patch, M776-3.patch, MR776-0.patch
>
>
> Previous benchmarks ( HADOOP-2369 , HADOOP-3770 ), while informed by production jobs,
were principally load generating tools used to validate stability and performance under saturation.
The important dimensions of that load- submission order/rate, I/O profile, CPU usage, etc-
only accidentally match that of the real load on the cluster. Given related work that characterizes
production load ( MAPREDUCE-751 ), it would be worthwhile to use mined data to impose a corresponding
load for tuning and guiding development of the framework.
> The first version will focus on modeling task I/O, submission, and memory usage.

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