2016 In Review: Vancouver’s CQRS/ES/DDD Meetup

Honing the blade: Lessons from a year of event sourced systems design and implementation. To the best of our knowledge, https://www.meetup.com/DDD-CQRS-ES/events/236265676/ is the only regularly occuring meetup in BC where participants can practice designing and buiding software. We focus on Domain Driven Design, CQRS and event sourcing because the craft of software development is mostly about managing…

CQRS/ES – Or is it?

Lately we have read several posts in various forums/blogs that say “tool XYZ is perfect for implementing CQRS systems because it supports event sourcing”. We thought this might be a good time to discuss exactly what CQRS with and without event sourcing is, and the requirements of event-sourced aggregates when used in a CQRS design.…