An interesting fact: OpenAI supports the scale of 800 million users for ChatGPT with just 1 PostgreSQL master database and 50 read-only replicas 🤯 The article released by OpenAI provides an in-depth analysis of their scaling solution, including: PgBouncer proxy, cache lock mechanism, cascading read-only replica architecture, etc. The content is very clean and concise, and also quite impressive. Arpit Bhayani has deeply dissected this architecture 👇