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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-964) Handling null in skewed join
Date Wed, 24 Mar 2010 22:35:27 GMT

     [ https://issues.apache.org/jira/browse/PIG-964?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alan Gates updated PIG-964:
---------------------------

    Fix Version/s: 0.4.0

> 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
>             Fix For: 0.4.0
>
>         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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