postgresql build system Archives

Inside OpenAI’s PostgreSQL Strategy: Scaling a Single Primary to 800 Million Users

Cary Huang
January 26, 2026January 26, 2026
News, postgresql

OpenAI is running ChatGPT and its API platform — serving around 800 million users — on a single primary PostgreSQL instance. Not a distributed SQL cluster, not a heavily sharded fleet, but one write primary with nearly 50 read replicas… Read More »Inside OpenAI’s PostgreSQL Strategy: Scaling a Single Primary to 800 Million Users

A Warm Welcome to the PostgreSQL Source Code!

Cary Huang
September 25, 2025October 8, 2025
postgresql

Introduction If you’ve ever felt curious — or even a little intimidated — by the massive PostgreSQL codebase, you’re not alone. But don’t worry! This guide is here to give you a gentle, beginner-friendly introduction to the PostgreSQL source code… Read More »A Warm Welcome to the PostgreSQL Source Code!