EricJoy2048 commented on issue #2577:
URL: 
https://github.com/apache/incubator-seatunnel/issues/2577#issuecomment-1233617778

   Now the  type of JobStatus, PipelineState, ExecutionState  are 
`AtomicReference`, we use `compareAndSet` to ensure the atomicity of state 
updates. To use IMap to storage state and ensure the `stateTimestamps ` and 
states update together, I will use an Object Lock in method `updateTaskState` 
and `turnToEndState`.


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