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  1. MariaDB ColumnStore
  2. MCOL-5921

Disk based GROUP_CONCAT()

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Details

    • New Feature
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Duplicate
    • None
    • 23.10.4
    • PrimProc
    • None

    Description

      GROUP_CONCAT() uses a lot of memory, similar to group by, we should implement this function to work/spill over to disk to avoid blowing up memory/ erroring out

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. MCOL-5852 GROUP_CONCAT in query uses enormous amount of RAM causing OOM to kill PrimProc

          • Blocker - Blocks development and/or testing work, production could not run.
          • Closed

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              alexey.antipovsky Aleksei Antipovskii
              allen.herrera Allen Herrera
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