Hi Si-li,
slot sharing is indeed the way that Flink performs co-location. It's
actually enabled by default. It should work as expected if upstream and
downstream operators have the same parallelism.
In certain cases, two operators can be even chained into one task where no
serialization/network t
Hi
Flink only have slotSharingGroup API on DataStream class, I can't find any
public API to achieve co-location constraints. Could anyone provide me an
example?
Another question is that if I use slotSharing group, Flink will schedule
two sub tasks to same slot is possible. I think such schedule w