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https://issues.apache.org/jira/browse/PIG-1290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pradeep Kamath updated PIG-1290:
--------------------------------

    Status: Patch Available  (was: Open)

Looks like the unit test failure was due to some other check in which has now 
got fixed - resubmitting

> WeightedRangePartitioner should not check if input is empty if quantile file 
> is empty
> -------------------------------------------------------------------------------------
>
>                 Key: PIG-1290
>                 URL: https://issues.apache.org/jira/browse/PIG-1290
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.6.0, 0.7.0
>            Reporter: Pradeep Kamath
>            Assignee: Pradeep Kamath
>             Fix For: 0.7.0
>
>         Attachments: PIG-1290.patch
>
>
> Currently WeightedRangePartitioner checks if the input is also empty if the 
> quantile file is empty. For this it tries to read the input (which under the 
> covers will result in creating splits for the input etc). If the input is a 
> directory with many files, this could result in many calls to the namenode 
> from each task - this can be avoided.
> If the input is non empty and quantile file is empty, then we would error out 
> anyway (this should be confirmed). Also while fixing this jira we should 
> ensure that pig can still do order by on empty input.

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