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Posted to issues@spark.apache.org by "Patrick Wendell (JIRA)" <ji...@apache.org> on 2014/05/12 02:14:14 UTC

[jira] [Resolved] (SPARK-1770) repartition and coalesce(shuffle=true) put objects with the same key in the same bucket

     [ https://issues.apache.org/jira/browse/SPARK-1770?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Patrick Wendell resolved SPARK-1770.
------------------------------------

    Resolution: Fixed

> 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
>            Assignee: Patrick Wendell
>            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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