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  1. MariaDB Server
  2. MDEV-24682

event_scheduler lock problem

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: None
    • Fix Version/s: 10.5.9
    • Component/s: Server
    • Labels:
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      Description

      When event_scheduler=ON it will acquiring lock MDL_SHARED_WRITE on mysql.event table

      And when i try to do
      SET GLOBAL read_only = 1 and the scheduler is ON and the enabled events exists - set read_only=1 halts...

      I use MaxScale to change the master and in this situation I had to abandon the use of events for everything to work, which is not very good.

      Perhaps this is still some kind of bug.

      Since I do not see any connection with the mysql.event lock (the event is executed once an hour) and the server's transfer to read_only = 1

      Same error with backuping ( https://jira.mariadb.org/browse/MDEV-24185 )

      10.5.8-MariaDB

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              Assignee:
              Unassigned
              Reporter:
              antonp1976 Anton Petin
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