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  1. IMPALA
  2. IMPALA-6501

Optimize count(*) for Kudu scans

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • Impala 2.11.0
    • Impala 3.4.0
    • Backend
    • ghx-label-7

    Description

      IMPALA-5036 added an optimisation for count(*) in Parquet scans that avoids materialising dummy rows. We should do something similar for Kudu.

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          relates to

          Sub-task - The sub-task of the issue IMPALA-5036 Improve COUNT(*) performance of Parquet scans.

          • Major - Major loss of function.
          • Resolved

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              norbertluksa Norbert Luksa
              tarmstrong Tim Armstrong
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                Created:
                Updated:
                Resolved: