Building a Reliable Kafka Event Processing Platform
A deep dive into designing, testing, and optimizing an event-driven commerce platform with Kafka, PostgreSQL, Redis, and transactional outbox patterns.
Writing topic
Distributed Systems
Explicit delivery guarantees, idempotent effects, transactional boundaries and measured service limits.
Distributed Systems writing
Read
Transactional Outbox: Closing the Database–Kafka Failure Window
How the commerce platform commits business state and a Kafka-ready event together, then publishes that event through a recoverable PostgreSQL outbox.
At-Least-Once Kafka Without Duplicate Side Effects
A concrete Kafka consumer design that combines Redis leases, a PostgreSQL event ledger, transactional writes, bounded retries, and careful offset commits.