Github user nragon commented on the issue:
https://github.com/apache/flink/pull/2332
Indeed, I'm also not aware of how users use it. I would take a similiar
approach than c*, already in made for streaming, seems to use a existing async
api from datastax. But again, I couldn't find accurate feedback regarding
backpressure. If this is an issue, then working with Flink states is a must,
imo.
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