kezhuw commented on pull request #14831: URL: https://github.com/apache/flink/pull/14831#issuecomment-782788879
@gaoyunhaii @pnowojski I want to describe an example for necessity of `EndOfPartitionEvent` tolerance during checkpoint. Assumes that operator `C` has two upstream `A` and `B`. During a checkpoint, `A` ends with `EndOfPartitionEvent` while `B` keeps running. `C` could receive checkpoint barrier from `B` and then `EndOfPartitionEvent` from `A`. In this case, FLINK-21081 does not help. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org