How OpenAI Uses PostgreSQL
4 engineering articles about PostgreSQL from OpenAI's engineering team
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This article explains how OpenAI built the Codex App Server, a bidirectional JSON-RPC API that serves as the critical link between the Codex harness (agent loop and logic) and various client surfac...
Celia Chen
14 min read
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OpenAI built a bespoke internal AI data agent powered by GPT-5.
Bonnie Xu
13 min read
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This article explains the core agent loop architecture behind OpenAI's Codex CLI, detailing how it orchestrates interactions between users, LLM models, and tools to perform software engineering tas...
Michael Bolin
17 min read
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OpenAI details how they scaled PostgreSQL to support 800 million ChatGPT users, achieving millions of queries per second through a single-primary architecture with nearly 50 read replicas across mu...
Bohan Zhang
13 min read
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