[jira] [Resolved] (PIG-3975) Multiple Scalar reference calls leading to missing records

["Rohini Palaniswamy (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-3975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rohini Palaniswamy resolved PIG-3975.
-------------------------------------

    Resolution: Fixed

Committed the additional patch to 0.13 and full patch to trunk. Thanks Koji for figuring out and fixing this tough issue. Thanks Daniel for the review.

> Multiple Scalar reference calls leading to missing records
> ----------------------------------------------------------
>
>                 Key: PIG-3975
>                 URL: https://issues.apache.org/jira/browse/PIG-3975
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.8.1, 0.9.2, 0.10.1, 0.11.1, 0.12.2
>            Reporter: Koji Noguchi
>            Assignee: Koji Noguchi
>            Priority: Critical
>             Fix For: 0.13.0
>
>         Attachments: pig-3975-v01_withouttest.patch, pig-3975-v02_withtests.patch, pig-3975-v03-additional-fix.patch, pig-3975-v03-trunk.patch, pig-3975-v03.patch
>
>
> We noticed that multiple pig runs with same input were producing different outputs.
> Simplified script looked like this.
> {noformat}
> A = load 'input1' as (a1:int);
> B = group A by a1 parallel 200;
> C = load 'input2' as (c1:int);
> D = foreach C generate B.$0;
> store D into '/tmp/deletemeD';
> E = load 'input3' as (c1:int);
> F = foreach E generate B.$0;
> store F into '/tmp/deletemeF';
> {noformat}



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