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  1. MariaDB ColumnStore
  2. MCOL-1679

Wrong calculated total_disk_usage by columnstore_info.total_usage()

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 1.1.5, 1.1.6
    • Icebox
    • ?
    • None
    • 2X combo PMs with IMDT extended memory run on CentOS 7.4

    Description

      Wrong calculated total_disk_usage by columnstore_info.total_usage()

      columnstore_info.total_usage() is returning wrong total_disk_usage
      issue was observed after upgrade to dev 1.1.6 version ;
      repetitively the columnstore_info.compression_ratio() also returned wrong value

      The expected TOTAL_DISK_USAGE was 366.37 GB and COMPRESSION_RATIO of
      1.6329:1

      wrong returned valus

      TOTAL_DATA_SIZE TOTAL_DISK_USAGE
      576.96 GB       44.64 GB
      

      columnstore_info.compression_ratio
      COMPRESSION_RATIO
      19.0053:1
      

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              LinuxJedi Andrew Hutchings (Inactive)
              winstone Zdravelina Sokolovska (Inactive)
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              Dates

                Created:
                Updated:
                Resolved:

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