How Cloudflare Replaced NGINX with Rust, Tokio, and Pingora — and Saved 434 Years of TLS Handshakes Every Single Day
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1 trillion requests per day, years of workarounds, and an architectural problem with no patch. This is the story of what broke, what Cloudflare built to replace it, and why every technical decision in Pingora is a direct answer to a specific NGINX limitation. First, the numbers Cloudflare published the migration performance data in their blog in September 2022. Not projections, not synthetic benchmarks — production metrics on real traffic: Metric Result CPU and memory cons