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334 summarised stories about ChatGPT, each linking back to the original source. Browse all topics →

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Thursday, 22 January 2026

Scaling PostgreSQL to power 800 million ChatGPT users

OpenAI 9 months ago 11

OpenAI scaled PostgreSQL to handle the database demands of supporting 800 million ChatGPT users through replicas, caching, rate limiting, and workload isolation techniques. The system processes millions of queries per second across their infrastructure. This approach allows OpenAI to maintain database performance without replacing PostgreSQL entirely, demonstrating how traditional relational databases can support massive-scale applications.

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