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Posted to dev@flink.apache.org by Mazen Ezzeddine <ma...@etu.unice.fr> on 2020/09/16 08:06:21 UTC

Connecting two streams and order of their processing

Hello all,

If an event is available now to Flink keyedcoprocess operator, and if
another event will be available 1 minute later to that operator (same key),
as a result of connecting the two streams, Flink does not provide any
guarantee that the event available now will be processed (processElement1)
before the event available 1 minute later (processElement2)? is that
accurate?

And if that is the case why Flink would do that maybe is counter intuitive.
Any technical limitations that would forces this scenario?

Thanks again.



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