Hadoop QA commented on PIG-964:

+1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 816012.

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

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +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: 
Findbugs warnings: 
Console output: 

This message is automatically generated.

> Handling null  in skewed join
> -----------------------------
>                 Key: PIG-964
>                 URL: https://issues.apache.org/jira/browse/PIG-964
>             Project: Pig
>          Issue Type: Bug
>            Reporter: Sriranjan Manjunath
>            Assignee: Sriranjan Manjunath
>         Attachments: skjoin2b.patch
> For null tuples, the tuple size is calculated incorrectly and thus  skewed 
> join ends up expecting a large number of reducers. Further, skewed join 
> should not bail out after the second job if the number of reducers specified 
> by the user is low. It should print a warning message and continue execution.

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