Hey Jakob, > Yeah, but then if you change the partition count later on, you've got > incorrect information forever.
You're right. But IMO this further reinforces that you *can't* change partition counts on a topic that you're using for a JOIN. This completely breaks the operation. Agree that it's just best effort, and kind of hacky. Was just a thought. I haven't seen anyone actually do this. Cheers, Chris On Wed, Mar 18, 2015 at 5:59 PM, Jakob Homan <jgho...@gmail.com> wrote: > On 18 March 2015 at 17:48, Chris Riccomini <criccom...@apache.org> wrote: > > One thing I haven't seen, but might be relevant, is including partition > > counts in the topic. > > Yeah, but then if you change the partition count later on, you've got > incorrect information forever. Or you need to create a new stream, > which might be a nice forcing function to make sure your join isn't > screwed up. There'd need to be something somewhere to enforce that > though. >