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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3812) Change default memory slot sizes to be 1.5GB
Date Mon, 06 Feb 2012 20:09:59 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13201534#comment-13201534
] 

Hadoop QA commented on MAPREDUCE-3812:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12513476/MAPREDUCE-3812-20120206.txt
  against trunk revision .

    +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 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

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

    -1 core tests.  The patch failed these unit tests:
                  org.apache.hadoop.yarn.server.resourcemanager.TestApplicationCleanup
                  org.apache.hadoop.yarn.server.resourcemanager.TestFifoScheduler
                  org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServices

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1791//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1791//console

This message is automatically generated.
                
> Change default memory slot sizes to be 1.5GB
> --------------------------------------------
>
>                 Key: MAPREDUCE-3812
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3812
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: mrv2, performance
>    Affects Versions: 0.23.0
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Vinod Kumar Vavilapalli
>             Fix For: 0.23.1
>
>         Attachments: MAPREDUCE-3812-20120205.txt, MAPREDUCE-3812-20120206.txt
>
>
> After a few performance improvements tracked at MAPREDUCE-3561, like MAPREDUCE-3511 and
MAPREDUCE-3567, even a 100K maps job can also run within 1GB vmem. We earlier increased AM
slot size from 1 slot to two slots to work around the issues with AM heap. Now that those
are fixed, we should go back to 1GB.
> This is just a configuration change.

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