Inside the GitHub Load Balancer | HAProxyConf2019

In this presentation, Joe Williams describes the architecture of the GitHub Load Balancer (GLB). GitHub built a resilient custom solution on top of HAProxy to intelligently route requests coming from a variety of different clients including Git, SSH and MySQL. The GLB is split into two major components: the GLB Director and GLB proxies. The latter is built upon HAProxy, which provides many benefit