Re: How does KStream transform performs repartitioning?

2018-05-22 Thread Guozhang Wang
Hello Edmondo, If you have a join operator following the transform() operator, then the joining streams will be sent to a repartition topic, and the join operator's hosted thread will then read from that repartition topic. This is for "re-shuffling" the streams since the key of the stream record m

How does KStream transform performs repartitioning?

2018-05-22 Thread Edmondo Porcu
Hello users, we are performing a Transform so that out of a larger message we emit a new output record only if that specific field has changed. Since we introduced that to reduce the number of output records, our final Kstream - KStream windowed join is not ticking anymore, although the window i