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From "Aaron Davidson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-1770) repartition and coalesce(shuffle=true) put objects with the same key in the same bucket
Date Sat, 10 May 2014 21:58:43 GMT

    [ https://issues.apache.org/jira/browse/SPARK-1770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13993908#comment-13993908
] 

Aaron Davidson commented on SPARK-1770:
---------------------------------------

Ah, that PR seems unrelated.

> repartition and coalesce(shuffle=true) put objects with the same key in the same bucket
> ---------------------------------------------------------------------------------------
>
>                 Key: SPARK-1770
>                 URL: https://issues.apache.org/jira/browse/SPARK-1770
>             Project: Spark
>          Issue Type: Bug
>    Affects Versions: 0.9.0, 1.0.0, 0.9.1
>            Reporter: Matei Zaharia
>            Priority: Blocker
>              Labels: Starter
>             Fix For: 1.0.0
>
>
> This is bad when you have many identical objects. We should assign each one a random
key.



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