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  1. Kylin
  2. KYLIN-1623

Make the hll precision for data samping configurable

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: v1.5.2
    • Component/s: Job Engine
    • Labels:
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      Description

      now kylin uses hll(14) for sampling; it should be configurable at cube level for small or large cubes. Property name "kylin.job.cubing.inmem.sampling.hll.precision", default be 14; allowed values: 10, 12, 14, 16

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            • Assignee:
              shaofengshi Shao Feng Shi
              Reporter:
              shaofengshi Shao Feng Shi
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              • Created:
                Updated:
                Resolved: