Blog

Notes on building things that work.

Engineering, cloud, AI and product thinking — written for people who make decisions about technology.

A PostgreSQL database receives sequential and parallel read requests through an asynchronous I/O worker pipeline.

Engineering1 Nov 2026· 12 min

PostgreSQL Async I/O: How to Measure Before You Tune

A practical PostgreSQL 18 guide to asynchronous I/O: understand io_method, benchmark scan-heavy workloads, read pg_stat_io, and roll out tuning safely.

Read article

PostgreSQL primary and standby synchronizing logical replication slots to keep Debezium and other CDC consumers running after failover

Engineering31 Oct 2026· 11 min

PostgreSQL Logical Replication Failover: Keep CDC Running After Promotion

A production guide to PostgreSQL 17+ logical failover slots: configure slot synchronization, protect WAL, verify standby readiness, and recover CDC consumers safely after promotion.

Read article

Transactional outbox architecture connecting PostgreSQL, an event relay, Kafka, and downstream microservices

Engineering31 Oct 2026· 10 min

Reliable Event-Driven Microservices with the Transactional Outbox Pattern

A production-focused guide to the transactional outbox pattern: atomic PostgreSQL writes, Debezium CDC, Kafka delivery, idempotent consumers, and operational failure handling.

Read article