NGINX Dynamic TLS Records: An Honest Benchmark in 2026

by Danila Vershinin, April 29, 2026

We rebuilt nginx-mod with Cloudflare’s 2015 dynamic TLS records patch and benchmarked it in a controlled rig with random interleave, CPU pinning, and 200 cold connections per condition. The “50% p95 TTFB win” we expected collapsed under noise control. Here are the honest numbers and what to do instead.