🗄️ Databases & Backend

Ditch the Kafka Crutch: Design Systems from Invariants

We've all chased shiny tools like Kafka before nailing the logic. Big mistake. Start with invariants for systems that actually work.

Diagram illustrating invariants and the Four Plane Model in system architecture

⚡ Key Takeaways

  • Start with invariants, not infrastructure — it's the foundation of reliable systems. 𝕏
  • Use the transactional center (e.g., Postgres) for core state to avoid distributed bugs. 𝕏
  • Scale reactively with the Four Plane Model: core, reactions, analytics, history. 𝕏
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Originally reported by dev.to

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