ORIGIN RANGE REQUESTS: SERVING LARGE FILES WITHOUT RANGE-REQUEST TUNING

Summary from the TLDR DevOps newsletter

Cloudflare rebuilt range-request caching in Pingora to coordinate partial downloads across cached data and in-flight origin fetches. The redesign roughly halved R2's p99 time to first byte and eliminated customer-managed range sizes, while a follow-up improvement reduced tiered-cache traffic for R2 and similar workloads by about 6%.