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https://issues.apache.org/jira/browse/PIG-865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12727128#action_12727128
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Hadoop QA commented on PIG-865:
-------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12412450/pig-865_v2.patch
  against trunk revision 790735.

    +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 tests are needed for 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 passed contrib unit tests.

Test results: 
http://hudson.zones.apache.org/hudson/job/Pig-Patch-minerva.apache.org/112/testReport/
Findbugs warnings: 
http://hudson.zones.apache.org/hudson/job/Pig-Patch-minerva.apache.org/112/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: 
http://hudson.zones.apache.org/hudson/job/Pig-Patch-minerva.apache.org/112/console

This message is automatically generated.

> Performance: Unnnecessary computation in FRJoin
> -----------------------------------------------
>
>                 Key: PIG-865
>                 URL: https://issues.apache.org/jira/browse/PIG-865
>             Project: Pig
>          Issue Type: Improvement
>          Components: impl
>    Affects Versions: 0.3.0
>            Reporter: Ashutosh Chauhan
>            Assignee: Ashutosh Chauhan
>            Priority: Minor
>             Fix For: 0.4.0
>
>         Attachments: pig-865.patch, pig-865_v2.patch
>
>
> In POFRJoin implementation POLocalRearrange is used to extract join keys from 
> the input tuples. If keys match then to perform actual join input tuples are 
> fed to Foreach which does a cross on its inputs. After keys are extracted 
> using POLocalRearrange output; function getValueTuple(POLocalRearrange lr, 
> Tuple tuple) is called to reconstruct the input tuple. It seems that this 
> function call is unnecessary since we already have input tuple at that time. 
> This is not a bug, but since this function would get called for every tuple, 
> if it is eliminated, it should certainly help to improve performance. 

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