Event sourcing in Elixir - Without CQRS

[peerreynders]

Martin Fowler: The Many Meanings of Event-Driven Architecture • Keynote GOTO Chicago 2017, May 1

Martin Fowler (ThoughtWorks) outlines the differences, pros and cons of four major Event-Driven approaches: Event Notification Event-carried State Transfer Event Sourcing CQRS See also martinfowler.com: What do you mean by “Event-Driven”? Points of interest: While events are often an effective means of decoupling the receiver from the sender, events typically obscure the system’s actual behaviour which can make it more difficult to reason about. Every software developer who has used versi…

Event Sourcing

• Every software developer who has used version control has interacted with an Event Sourcing system.
• If you need to explain Event Sourcing to the business, use accounting ledgers.