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https://issues.apache.org/jira/browse/MAPREDUCE-3812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13200976#comment-13200976
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Hadoop QA commented on MAPREDUCE-3812:
--------------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12513379/MAPREDUCE-3812-20120205.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 patch. The patch command could not apply the patch.
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1781//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
>
>
> 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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