Hi Timo,
I see. Yes, we have already use the "Object Reuse" option. It was a nice
performance improvement when we first set it!
I guess another option we can try is to somehow make things "easier" to
Flink so it can chain operators together. Most of them are not chained, I
think it's because they
Hi Gerard,
you are correct, Kryo serializers are only used when no built-in Flink
serializer is available.
Actually, the tuple and case class serializers are one of the most
performant serializers in Flink (due to their fixed length, no null
support). If you really want to reduce the seriali
