[jira] [Created] (FLINK-23021) Check if the restarted job topology is consistent on restart

[Shang Yuanchun (Jira)]

Yun Gao created FLINK-23021:
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             Summary: Check if the restarted job topology is consistent on restart
                 Key: FLINK-23021
                 URL: https://issues.apache.org/jira/browse/FLINK-23021
             Project: Flink
          Issue Type: Sub-task
            Reporter: Yun Gao


Users might modify the job topology before restart for external checkpoint and savepoint. To overcome this issue, we would need to check if a fully finished operator have been added after a non-fully-finished operator. If so, we would throw exception to disallow this situation or re-mark the fully finished operator as alive. 



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