Hey Jan,
correct me if I'm wrong, my understanding of your problem is as follows:
1. This is a Kafka Streams question
2. You want to preserve the same primary key, but to repartition based on
some certain field with key/value
If this is the case, have you considered using `through(topic,
The default partitioner takes a hash of the key of a topic to determine the
partition number.
It would be useful for a key to be able to specify the object on which the
default partitioner should base its hash on. This would allow us to use
different composite keys and still be certain that