When a request vanishes into a maze of 10 microservices. How Distributed Tracing and OpenTelemetry keep you from going insane during an outage.

Why your event-driven system is lying to you. Solving the ‘Dual Write’ problem using the Transactional Outbox pattern.

Why distributed ACID is a trap. Understanding choreography and orchestration sagas for long-running business processes.

How circuit breakers prevent cascading failures in microservices. State transitions, Java implementation with Resilience4j, and real-world thresholds.