Messaging & Events Case Studies
Real-world Messaging & Events case studies: what happened in production, the architecture behind it, the numbers and the lessons to take to your own team.
How a B2B SaaS Team Eliminated Duplicate Order Events by Adopting the Transactional Outbox Pattern
A dual-write bug was silently duplicating and dropping order events in production. The team replaced it with a transactional outbox and a Debezium CDC relay, cutting event loss to zero.
Messaging & Events · intermediate · 12 min read
How an Event-Driven Kafka Pipeline Cut Order Latency by 74% and Eliminated Cascade Failures
A B2B SaaS company replaced a brittle chain of synchronous REST calls with a Kafka-backed order pipeline, cutting p99 latency from 4.2 s to 1.1 s and eliminating downstream cascade failures.
Messaging & Events · advanced · 12 min read
The 2-Million-Message SQS Backlog: Beating Poison Messages with DLQs and Visibility Timeouts
A B2B SaaS team watched 2 million SQS messages pile up overnight because three malformed events kept recycling. Fixing visibility timeouts and wiring a dead-letter queue cleared the backlog in four hours.
Messaging & Events · beginner · 12 min read