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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-751) Rumen: a tool to extract job characterization data from job tracker logs
Date Wed, 19 Aug 2009 23:34:14 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12745240#action_12745240
] 

Hadoop QA commented on MAPREDUCE-751:
-------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12417041/2009-08-19--1030.patch
  against trunk revision 805324.

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

    +1 tests included.  The patch appears to include 40 new or modified tests.

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

    -1 javac.  The applied patch generated 2239 javac compiler warnings (more than the trunk's
current 2232 warnings).

    -1 findbugs.  The patch appears to introduce 8 new Findbugs warnings.

    -1 release audit.  The applied patch generated 217 release audit warnings (more than the
trunk's current 202 warnings).

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/495/testReport/
Release audit warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/495/artifact/trunk/patchprocess/releaseAuditDiffWarnings.txt
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/495/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/495/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/495/console

This message is automatically generated.

> Rumen: a tool to extract job characterization data from job tracker logs
> ------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-751
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-751
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.20.1, 0.21.0
>            Reporter: Dick King
>             Fix For: 0.20.1, 0.21.0
>
>         Attachments: 2009-08-19--1030.patch, mapreduce-751--2009-07-23.patch
>
>
>  We propose a new map/reduce component, rumen, which can be used to process job history
logs to produce any or all of the following:
>       * Retrospective info describing the statistical behavior of the
> amount of time it would have taken to launch a job into a certain
> percentage of the number of mapper slots in the log's cluster, given the
> load over the period covered by the log
>       * Statistical info as to the runtimes and shuffle times, etc. of
> the tasks and jobs covered by the log
>       * files describing detailed job trace information, and the
> network topology as inferred from the host locations and rack IDs that
> arise in the job tracker log.  In addition to this facility, rumen
> includes readers for this information to return job and detailed task
> information to other tools.
>         These other tools include a more advanced version of gridmix, and also includes
mumak: see blocked issues.

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