This article details how OpenAI scaled PostgreSQL to handle the massive traffic from 800 million ChatGPT users. It discusses the challenges faced during high write loads, optimizations made to reduce strain on the primary database, and strategies for maintaining performance under heavy demand.

Patreon faced challenges in scaling its infrastructure for live events, necessitating cross-team collaboration to quantify capacity and optimize performance. Through careful analysis and prioritization of app requests, they focused on reducing load and enhancing user experience while maintaining system reliability. Key learnings emphasized the importance of optimizing both client and server aspects to achieve scalability.