Tech Musings

Apr 13, 2026 · Operations

Does Upgrading Nginx → Upstream to HTTP/2 Really Boost Performance?

This article details a systematic performance test of Nginx 1.29.x’s new HTTP/2 upstream support, comparing HTTP/1.1, HTTP/2 with keep‑alive, and HTTP/1.0 baselines across various payload sizes, connection‑pool settings, and large‑header scenarios to determine when protocol upgrades yield real throughput or latency gains.