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Date: Fri, 16 Oct 2015 18:25:05 +0000 (UTC)
From: "Josh Wills (JIRA)" <jira@apache.org>
To: crunch-dev@incubator.apache.org
Message-ID: <JIRA.12903508.1444340844000.61281.1445019905388@Atlassian.JIRA>
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Subject: [jira] [Commented] (CRUNCH-569) Don't reuse avros on SparkPipeline
 cache()
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    [ https://issues.apache.org/jira/browse/CRUNCH-569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14961144#comment-14961144 ] 

Josh Wills commented on CRUNCH-569:
-----------------------------------

[~mkwhitacre] yeah, that was what I had in mind, though I didn't think through the amount of copy-and-paste-ish code that would be required (sorry about that.) Happy to move ahead w/this approach though.

> Don't reuse avros on SparkPipeline cache()
> ------------------------------------------
>
>                 Key: CRUNCH-569
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-569
>             Project: Crunch
>          Issue Type: Bug
>          Components: Spark
>    Affects Versions: 0.12.0
>            Reporter: Nithin Asokan
>         Attachments: CRUNCH-569.patch, CRUNCH-569_test.patch
>
>
> A cached PCollection/PTable built by Avros using SparkPipeline seem to reuse avro objects. Here is a test that shows this behavior
> https://gist.github.com/nasokan/531b4ff9bf827d0835ab
> I would expect the output of this program to create a pair with same key, value. However, this produces Pair with different key value. I have tested this with text file input source and it works as expected. Removing cache() produces expected result. 
> Mailing list: http://mail-archives.apache.org/mod_mbox/crunch-user/201510.mbox/%3CCAH29n6OWD%2BSoa0A88NwaiurZcN%2B2Ow-s_zk3b%2BcKoUMNMO8uuA%40mail.gmail.com%3E


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