AxonFramework @ SGCIB (our experience)
summary
SGCIB uses AxonFramework for CQRS and event sourcing across its lending domain and reports concrete results: 25 microservices, 3 on Axon after three years, easier authorization via a single command bus, event projections in Elasticsearch, and an Oracle event store with about 300–400k events in production. Benefits include fixture-based tests, simpler deployments and replayable business-object copies; pain points are a steep learning curve, poor event-store tooling, event-size bloat risk, and distributed delivery semantics to handle (e.g., RabbitMQ duplicates).
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chapters (9)
- 0:00Start
- 1:09legacy applications
- 2:59security is easy (er)
- 5:12it is a framework imposes a certain conformity
- 5:47deployment trunk based development with feature toggles
- 7:06odds and ends great documentation active user community (axonframework@googlegroups)
- 8:02learning curve
- 10:41tooling and eventstore theory
- 12:16race conditions 1 command on events
related talks
46mAxon Framework : A CQRS Approach to Microservices
47mCQRS and Event Sourcing on Steroids: Lessons Learned with Spring & Axon
50mHands-on intro to CQRS and Event Sourcing with Axon
55mHands-on introduction o CQRS and Event Sourcing with Axon
45mThe Practical Road towards CQRS and Event Sourcing
01h 12mDemystifying "event-based" software concepts and methodologies
52mHidden gems and traps that you probably didn't think of using Event Sourcing
30mEventSourcing and CQRS — The Introduction That Was Missing