Domink,
This should work just as you expect. Maybe the output of the print is just
misleading you. The print() operation will still have a parallelism of two
but the flatMap() with have a parallelism of 16 and all data elements with
the same key will get routed to the same host.
Any sequence of
Hey,
I have a flink job which has a default parallelism set to 2. I want to
key the stream and then apply some flatMap on the keyed stream. The
flatMap operation is quiet costly, so I want to have a much higher
parallelism here (lets say 16). Additionally, it is important that the
flatMap oper