[jira] Commented: (MAPREDUCE-712) RandomTextWriter example is CPU bound

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12732962#action_12732962 ] 

Hadoop QA commented on MAPREDUCE-712:
-------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12413936/MR712-1.patch
  against trunk revision 795454.

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

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    +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-vesta.apache.org/410/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/410/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/410/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/410/console

This message is automatically generated.

> RandomTextWriter example is CPU bound
> -------------------------------------
>
>                 Key: MAPREDUCE-712
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-712
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: examples
>    Affects Versions: 0.20.1, 0.21.0
>         Environment: ~200 nodes cluster
> Each node has the following configuration:
> Processors:     2 x Xeon L5420 2.50GHz (8 cores) - Harpertown C0, 64-bit, quad-core (8 CPUs)
> 4 Disks
> 16 GB RAM
> Linux 2.6
> Hadoop version: trunk
>            Reporter: Khaled Elmeleegy
>            Assignee: Chris Douglas
>         Attachments: MR712-0.patch, MR712-1.patch
>
>
> Running the RandomTextWritter example job ( from the examples jar) pegs the machiens' CPUs.

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