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  1. MariaDB Server
  2. MDEV-38864

Use mmap for MEMORY engine allocations

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Details

    • Q3/2026 Server Development, Q4/2026 Server Maintenance

    Description

      Change MEMORY engine to use mmap for data and index block allocations.

      Attachments

        1. subquery_summary.png
          65 kB
          Raghunandan Bhat
        2. oltp_read_only_summary.png
          70 kB
          Raghunandan Bhat

        Issue Links

          blocks

          Bug - A problem which impairs or prevents the functions of the product. MDEV-35700 Consumes more and more memory until OOM. Consistently

          • Critical - Crashes, loss of data, severe memory leak.
          • Open

          Task - A task that needs to be done. MDEV-36544 estimate possibility and time of memory fragmentation detection

          • Critical - Crashes, loss of data, severe memory leak.
          • Stalled
          links to

          Web Link PERF-456

          Activity

            People

              raghunandan.bhat Raghunandan Bhat
              raghunandan.bhat Raghunandan Bhat
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              Dates

                Created:
                Updated:

                Time Tracking

                  Estimated:
                  Original Estimate - 15d
                  15d
                  Remaining:
                  Time Spent - 14d 0.25h Remaining Estimate - 7.75h
                  7.75h
                  Logged:
                  Time Spent - 14d 0.25h Remaining Estimate - 7.75h
                  14d 0.25h

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