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Posted to dev@hive.apache.org by "Rui Li (JIRA)" <ji...@apache.org> on 2014/11/25 07:59:14 UTC

[jira] [Created] (HIVE-8958) Make sure map join tasks created by runtime skew join can fit into memory [Spark Branch]

Rui Li created HIVE-8958:
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             Summary: Make sure map join tasks created by runtime skew join can fit into memory [Spark Branch]
                 Key: HIVE-8958
                 URL: https://issues.apache.org/jira/browse/HIVE-8958
             Project: Hive
          Issue Type: Improvement
            Reporter: Rui Li


Runtime skew join creates map join tasks to join skewed data. We have to make sure (if not yet) that these tasks can fit into memory, and find backup solution if they don't.



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