In this talk, Jonathan Looney from Netflix describes the Open Connect Appliance and the optimizations that make it possible to serve over 180 GB/s of TLS-encrypted connections with less than 50% CPU on a single 32-core 2.5-GHz CPU in 2 RU.
Simple, reliable messaging. It takes a lot to support this statement. For 10 years WhatsApp demonstrated unprecedented reliability and availability, serving over 1.5B users. There is absolutely no way to reproduce interactions between all of them, within the cluster spanning over 10,000 nodes and multiple data centers. Investigations must be done on a live system without disturbing connected users. If there are repairs needed, it has to be done on the fly.
Netflix has built a CDN to distribute streaming media through most of the world. The content caches run a lightly customized version of the FreeBSD operating system. This presentation will describe how Netflix uses FreeBSD, and the benefits to both FreeBSD and Netflix.