The fallacy of “scalability from day 1”

Imagine you are starting a new project. The team is motivated, the whiteboard has been wiped clean, and the first question in the room is: “Which microservices do we need?”

Imagine our SAGA Orchestrator (Saga Pattern Part 3) running at full speed. Customers are ordering like crazy. Suddenly the Inventory Service becomes slow. Maybe it’s due to a database lock or poor deployment.

1. Get out of the event chaos

Welcome to Part 3 of our series on the SAGA Pattern. In Part 2 we implemented a choreography-based saga. The services communicated loosely coupled via events, which appeared elegant and decentralized.