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  1. MariaDB Server
  2. MDEV-28149

10.6.7 on FreeBSD hangs with InnoDB



    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Incomplete
    • 10.6.7
    • N/A
    • None
    • FreeBSD 13.0-RELEASE-p8, running within a jail



      this might be related to MDEV-26537, but after having installed 10.6.7 on FreeBSD (in an effort to upgrade from 10.5.x), mariadb starts to hang on certain InnoDB queries. I noticed it happening with my nextcloud executing some queries, completely randomly. 10.5.15 is the one I run now, it doesn't seem to be affected by this.

      When this happens, mariadb starts to overwhelm itself, the queries for the DB hang, and I can't even kill them from within the mariadb command line. If I try and restart mariadb, it doesn't shut down by itself, only sending a KILL signal helps, which corrupts other databases in return. Also as it happens, it starts to eat up memory and spins the disk and CPU at almost the maximum rate.

      I had this happening a couple times, tried even dumping and loading back the nextcloud database to see if a newly loaded DB would help, but it isn't the case. The last time it happened, my production server almost died in it, exhausting memory: swap full, starting to kill the mariadb process as it was the one eating up all memory.

      I'm afraid I can't be of much help to you now as I had to forcefully go back to 10.5.x (which resulted in a halfway upgraded DB but I could get around it for now), to get my production server in a stable condition again.

      We had a go at MDEV-26537 earlier, that seemed to have been fixed, I think this is related to that bug.

      It is frightening to know that a FreeBSD package that a lot of my systems are relying on, is buggy and breaks my server.


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              marko Marko Mäkelä
              karolyi László Károlyi
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