pegasas commented on issue #15330:
URL: 
https://github.com/apache/dolphinscheduler/issues/15330#issuecomment-1868505972

   
![image](https://github.com/apache/dolphinscheduler/assets/13224827/9da0253e-ba69-434e-96eb-d81318bca715)
   
   Now architecture quartz scheduler uses db as Pessimistic Concurrency 
Control, 
   when job is execute we insert command into DB.
   
   Deep dive if we can leverage quartz interface or we needs to implement 
ourselves in `TriggerService`. If so, we should leverage current master 
failover mechanism.


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