The Real Truth About Event-Driven Architecture

Event-Driven Architecture is often praised for loose coupling and limitless scaling, but in reality, runtime (temporal) coupling can sneak up on you, and scaling usually just shifts your bottlenecks elsewhere. Complex, cross-service workflows are a sure sign you’re over-engineering—complexity is a design smell.

Getting event ordering right is tougher than it looks, so you need clear boundaries and solid patterns. By understanding these pitfalls—coupling, false scaling, messy workflows and ordering—you’ll avoid the dark side of EDA and build more maintainable systems.

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