Scaling PostgreSQL to power 800 million ChatGPT users
Must ReadOpenAI Blog · 2026-01-22 12:00 UTC AI
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AI Summary
OpenAI scaled PostgreSQL to handle millions of queries per second for ChatGPT. Techniques included replicas, caching, rate limiting, and workload isolation. The scaling supports 800 million users.
AI analysis by Groq
Why should I care?
It shows how database scaling underpins large‑scale LLM deployments, a key concern for AI developers.
Content
An inside look at how OpenAI scaled PostgreSQL to millions of queries per second using replicas, caching, rate limiting, and workload isolation.