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https://issues.apache.org/jira/browse/PIG-964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12757237#action_12757237
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Olga Natkovich commented on PIG-964:
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patch committed to the trunk
> 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: skewedjoinnull.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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