Ad-serving systems frequently need to accommodate millions, or even billions, of requests daily, constructing and delivering personalized ads within just a few milliseconds. Beyond handling the substantial daily volume of requests, these platforms must be capable of managing spiky traffic with sudden surges in user activity as well.
In this blog post, we will construct a real-time ad cache server utilizing the cutting-edge technologies of Bun, ElysiaJS, and Dragonfly. Not just for the enjoyment of exploring new tools, but also to leverage their exceptional developer experience and performance capabilities. Let's take a brief look at the technologies we will be using in this post: