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FreeBSD optimizations used by Netflix serving at 800Gb/s - Drew Gallatin - EuroBSDcon 2022

FreeBSD optimizations used by Netflix serving at 800Gb/s - Drew Gallatin - EuroBSDcon 2022

28K views • 4 years ago

Netflix engineer Drew Gallatin's EuroBSDcon 2022 talk quantifies the older FreeBSD optimizations that let Netflix serve web traffic at 800Gb/s, including TSO, LRO, VM page cache zones, asynchronous sendfile and unmapped mbufs.

Serving Netflix Video at 400Gbps on FreeBSD by Drew Gallatin

Serving Netflix Video at 400Gbps on FreeBSD by Drew Gallatin

9K views • 5 years ago

Netflix engineer Drew Gallatin explains how Netflix serves TLS-encrypted video at 400Gb/s from a single FreeBSD server. He covers NUMA, kernel TLS, hardware TLS offload and the memory bandwidth and PCIe bottlenecks they hit.