Hi, Union is a super cheap operator in Flink. It does not scan the records, but just merges the streams. So the effort is very low. The built-in join operator works in the same way but does not expose allowed lateness.
Cheers, Fabian
Hi, Union is a super cheap operator in Flink. It does not scan the records, but just merges the streams. So the effort is very low. The built-in join operator works in the same way but does not expose allowed lateness.
Cheers, Fabian