In this presentation, I will demonstrate the hidden powers of the Peers feature as it has enabled us to connect our HAProxy load balancers to a custom management system that passively receives all stick table updates and accumulates them for billing purposes. I’ll explain how we identify different types of requests using ACLs, how we count them using stick tables, and where the magic happens in our management application. We have open-sourced our Peers Protocol implementation, which is written in TypeScript.
Slide Deck
Here you can view the slides used in this presentation if you’d like a quick overview of what was shown during the talk.

Tim Düsterhus
Developer & Cloud Architect, WoltLab
Tim is a passionate developer and system administrator with over a decade and counting of experience. Early on, his first step towards open source was driving Linux daily, which sparked his interest in digging through source code to learn how things work. This path was worthwhile and eventually resulted in a master’s degree in Computer Science. In late 2017, Tim became a recurring contributor to HAProxy. He is also the only person known to mankind that genuinely enjoys reading RFCs, unless there is a nearby heavy music concert that he can attend instead.