Each day ~10 million deployments are made on Vercel, with 2.35 billion made to date. Vercel is one of the most heavily multi-tenant systems in the world. Billions of application deployments co-exist and are accessible ('routable') on our CDN at any given moment. Underlying our CDN is a global metadata store that synchronizes within hundreds of milliseconds, globally. e.g: when you roll back, change config, add routes, etc. We just made this system 91% faster at p99, and in the process sped…