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Posted to dev@hive.apache.org by "Prasanth Jayachandran (JIRA)" <ji...@apache.org> on 2017/04/21 18:24:04 UTC

[jira] [Created] (HIVE-16503) LLAP: Oversubscribe memory for noconditional task size

Prasanth Jayachandran created HIVE-16503:
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             Summary: LLAP: Oversubscribe memory for noconditional task size
                 Key: HIVE-16503
                 URL: https://issues.apache.org/jira/browse/HIVE-16503
             Project: Hive
          Issue Type: Improvement
          Components: llap
    Affects Versions: 3.0.0
            Reporter: Prasanth Jayachandran


When running map joins in llap, it can potentially use more memory for hash table loading (assuming other executors in the daemons have some memory to spare). This map join conversion decision has to be made during compilation that can provide some more room for LLAP. 



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