How many requests is your Node.js application able to handle at the same time? Is it 10, or 100, or 1000? What if there are 20,000? What if it is responsible for millions of dollars a day? This talk will cover the journey of creating a Node.js service that needs to handle over a billion requests a day, how to measure its performance and how to deploy it safely to keep it always up and running and prevent revenue losses. Come and learn what it takes to do so.