reele commented on issue #16942:
URL: 
https://github.com/apache/dolphinscheduler/issues/16942#issuecomment-2579336001

   @ruanwenjun 
   
   maybe the major point of conflict is here:
   
   
https://github.com/apache/dolphinscheduler/blob/890376a9eebef74a930f41e390a8402c1f92493c/dolphinscheduler-master/src/main/java/org/apache/dolphinscheduler/server/master/failover/FailoverCoordinator.java#L134-L153
   
   If there is only 1 master, and perform the following process:
   1. create failoverFinishedNodePath
   2. do master failover
   3. persist failoverFinishedNodePath
   
   now, failoverFinishedNodePath still contains this master's startup time
   
   that will be detected by MasterHeartBeatTask


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