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Posted to dev@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2018/05/01 17:17:00 UTC

[jira] [Created] (HIVE-19376) Statistics: switch to 10bit HLL by default for Hive

Gopal V created HIVE-19376:
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             Summary: Statistics: switch to 10bit HLL by default for Hive
                 Key: HIVE-19376
                 URL: https://issues.apache.org/jira/browse/HIVE-19376
             Project: Hive
          Issue Type: Sub-task
          Components: Statistics
            Reporter: Gopal V


This reduces the memory usage for the metastore cache and the size of bit-vectors in the DB by 16x.



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