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Posted to issues@spark.apache.org by "Qifan Pu (JIRA)" <ji...@apache.org> on 2016/07/13 07:56:20 UTC

[jira] [Created] (SPARK-16526) Benchmarking Performance for Fast HashMap Implementations and Set Knobs

Qifan Pu created SPARK-16526:
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             Summary: Benchmarking Performance for Fast HashMap Implementations and Set Knobs
                 Key: SPARK-16526
                 URL: https://issues.apache.org/jira/browse/SPARK-16526
             Project: Spark
          Issue Type: Sub-task
          Components: SQL
            Reporter: Qifan Pu


Add benchmark results for two fast hashmap implementations. Set the rule on how to pick between the two (or directly fallback to 2nd level hashmap) based on benchmark results.



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