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MySQL 8.0 Reference Manual
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10.14.9 Event Scheduler Thread States

These states occur for the Event Scheduler thread, threads that are created to execute scheduled events, or threads that terminate the scheduler.

  • Clearing

    The scheduler thread or a thread that was executing an event is terminating and is about to end.

  • Initialized

    The scheduler thread or a thread that executes an event has been initialized.

  • Waiting for next activation

    The scheduler has a nonempty event queue but the next activation is in the future.

  • Waiting for scheduler to stop

    The thread issuedSET GLOBAL event_scheduler=OFF and is waiting for the scheduler to stop.

  • Waiting on empty queue

    The scheduler's event queue is empty and it is sleeping.