How OpenAI Scaled to 800 Million Users on PostgreSQL
SMRTR summary
OpenAI scaled ChatGPT from zero to 800 million users using PostgreSQL and seven proven strategies: connection pooling with PgBouncer, read replicas for heavy read workloads, query optimization through proper indexing, Redis caching, horizontal sharding, connection management, and comprehensive monitoring. These techniques show PostgreSQL can handle massive scale when properly optimized.
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