Last Monday, at the August meetup of Bonn Agile, I did a talk about architectures based on the CQRS pattern. I presented various opportunities enabled by this pattern, specifically asymmetrical scaling, separating the models for reading and writing, eventual consistency, and event sourcing. I also put up some very crude demo code in Scala to show how one might implement a command handler and a write model handler, and how easy it is to build the current state of an aggregate from the events s...
