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Posted to issues@spark.apache.org by "Matei Zaharia (JIRA)" <ji...@apache.org> on 2014/05/11 00:14:33 UTC

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

Matei Zaharia created SPARK-1770:
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             Summary: 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


This is bad when you have many identical objects. We should assign each one a random key.



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