SREcon23 Europe/Middle East/Africa - Do Not Thrash the Node.js Event Loop Matteo Collina, Platformatic Deploying Node.js at scale is an art mastered by few. The most common problem is an exhaustion of resources that allows the application to denial of service itself. The result is Node.js systems that are massively overprovisioned, wasting enormous amounts of computing and memory - keeping most of them idle. In this talk, we will do some math, discover hard truths, and implement a fix. View the full SREcon23 Europe/Middle East/Africa program at https://www.usenix.org/conference/srecon23emea/program