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  1. Hive
  2. HIVE-18079 Statistics: Allow HyperLogLog to be merged to the lowest-common-denominator bit-size
  3. HIVE-19376

Statistics: switch to 10bit HLL by default for Hive

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    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Not A Problem
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    Description

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

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        1. HIVE-19376.1.patch
          1 kB
          Gopal Vijayaraghavan

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            gopalv Gopal Vijayaraghavan
            gopalv Gopal Vijayaraghavan
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              Created:
              Updated:
              Resolved: