Scaling PostgreSQL to power 800 million ChatGPT users

OpenAI has optimized PostgreSQL to handle 800 million ChatGPT users by implementing a multi-faceted approach that includes the use of read replicas, caching mechanisms, rate limiting, and workload isolation techniques. This architecture allows for millions of queries per second, enhancing performance and reliability for high-demand AI applications. The insights into these scaling strategies are crucial for practitioners looking to build robust database systems that can support large-scale AI workloads.