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Posted to dev@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2016/02/20 03:53:18 UTC

[jira] [Created] (HIVE-13108) Operators: SORT BY randomness is not safe with network partitions

Gopal V created HIVE-13108:
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             Summary: Operators: SORT BY randomness is not safe with network partitions
                 Key: HIVE-13108
                 URL: https://issues.apache.org/jira/browse/HIVE-13108
             Project: Hive
          Issue Type: Bug
          Components: Spark, Tez
    Affects Versions: 2.0.0, 1.2.1, 1.3.0, 2.0.1
            Reporter: Gopal V
            Assignee: Gopal V


SORT BY relies on a transient Random object, which is initialized once per deserialize operation.

This results in complications during a network partition and when Tez/Spark reuses a cached plan.



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