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  1. MariaDB Server
  2. MDEV-39574

Performance Regression in ps-covered-id in mariadb 10.5.29 because of MDEV-15058

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    • Related to performance
    • Closing as no further update from submitter. Specific issue relates to EOL version. Related fixes are complete in supported versions.

    Description

      ps-covered-pk - select id from sbtest where id in ( 100 random ids) , regressed between 10.5.29 release to 10.4.34 release
      Reference: https://smalldatum.blogspot.com/2026/04/cpu-bound-sysbench-on-large-server.html
      On my laptop 6 core , it shows 10% drop and buf_pool_mutex is hot in 10.5.29

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          relates to

          Epic - Created by Jira Software - do not edit or delete. Issue type for a big user story that needs to be broken down. MDEV-37924 buf_pool.mutex contention under I/O-limited OLTP workload

          • Critical - Crashes, loss of data, severe memory leak.
          • In Progress
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              Steve Shaw Steve Shaw
              amroo76 Amrendra Kumar
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                Resolved:

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