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 issued SET 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.