The engineering questions you get asked, and the bugs you actually hit. Drawn, one mechanism at a time, in the order the videos ship.
Why synchronous Two-Phase Commit (2PC) fails in cloud microservices, and how the asynchronous Saga pattern coordinates distributed transactions with compensating rollbacks.
Microservices do not eliminate complexity; they move in-memory function calls over the network into distributed systems. What you gain, what you lose, and when to switch.
When a downstream service slows down, it can exhaust thread pools and take down your entire architecture. How the Circuit Breaker pattern isolates failure.
