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  1. MariaDB ColumnStore
  2. MCOL-5397

Disk-based aggregation delivers a wrong number of groups

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 6.4.6, 22.08.7
    • 22.08.8
    • ExeMgr, PrimProc
    • None

    Description

      It was proved that disk-based aggregation delivers more unique groups for dictionary columns if there is more than 30 blns of records.

      The potential points of failure are:

      • RGData periodic writes/reads
      • 2nd phase aggregate algo

      The customer's DDL and data set will be on S3.

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            drrtuy Roman
            drrtuy Roman
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            Dates

              Created:
              Updated:
              Resolved:

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