Event Driven Architecture: The Hard Parts

Event Driven Architecture: The Hard Parts

From NO SILVER BULLET by Three Dots Labs

June 5, 2025 · 1h 25m · Season 1 · Episode 8

About this episode

This episode discusses the complexities and best practices of event-driven architecture, highlighting its benefits and pitfalls.

Full episode notes and transcript: https://threedots.tech/episode/event-driven-architecture/ Quick takeaways Event-driven architecture (EDA) is powerful but tricky – it’s great for scaling and decoupling, but has many hidden traps. Observability is essential – debugging async systems without tracing, logs, and correlation IDs is almost impossible. Use the outbox pattern – it’s the safest way to publish events without losing data. Design events carefully – large, generic events can lead to tight coupling and painful refactors. Avoid over-engineering – sometimes synchronous systems or simple monoliths are just better. Start with sync if unsure – it’s easier to migrate from a well-structured synchronous system to async later than the other way around.

Topics covered

  • Event Driven Architecture
  • Observability
  • Outbox Pattern
  • System Design

Keywords

  • scaling
  • decoupling
  • debugging
  • asynchronous systems
  • synchronous systems

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