Hi all,

Imagine I have a default parallelism of 16 and I do something like

stream.keyBy("something").flatMap()

Now let's imagine I have less than 16 keys, maybe 8.

How many parallel executions of the flatMap function will I get? 8 because
I have 8 keys, or 16 because I have default parallelism at 16?

(and I will have follow up questions depending on the answer I suspect ;))

Thanks,
-- 
Christophe

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