> how many partitions do I need? Unclear, but better get it right because you can never change it! That is.. simply wrong. You can change the number of partiti

> how many partitions do I need? Unclear, but better get it right because you can never change it! That is.. simply wrong. You can change the number of partitions. Plus I really don't get the "you need an entire team of engineers to operate Kafka" claim you keep repeating. That is simply not true, speaking from experience. It is certainly expensive to run, but doesn't require a lot of engineering hours in our team.