Yes this seems confusing to me as well. AZs are usually used for reliability. I'm looking at their new topology and wondering why AZs were used at all?
Maybe if one AZ fails only 1/3 of the producer, topics and consumers fail. Seems like a lot of overhead for a relatively minor advantage.
Maybe if one AZ fails only 1/3 of the producer, topics and consumers fail. Seems like a lot of overhead for a relatively minor advantage.