~/talk

Messaging: The fine line between awesome and awful

Talkat NDC Porto 2023 · 2023-10-16..10-20· [microservices, frontend-architecture]
slides:none on file

A monolith migrates to messaging and performance gets worse: UI shows stale data, duplicates and out‑of‑order handlers create side effects, and tracing becomes a nightmare. The fix is explicit decoupling into subdomains, picking request‑response, publish‑subscribe or one‑way per requirement, and using orchestration or choreography for complex prerequisites. Use future messages (Azure Service Bus, Amazon SQS, RabbitMQ), the outbox pattern, deduplication IDs, sagas for distributed commits, and OpenTelemetry for observability.

AI-written summary · about

  1. 0:00Monolith to messaging disaster
  2. 5:19Who I am and why I’m here
  3. 12:03Decoupling systems
  4. 24:26UI consistency in async
  5. 29:47Out-of-order messages
  6. 38:14Troubleshooting failures
  7. 41:43Duplicate messages
  8. 49:54Summary
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