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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