The company says naive byte-range caching can cause small requests to consume gigabytes of origin bandwidth. Its implementation rebuilds part of the cache architecture in Pingora so partial fetches can be coordinated automatically. Cloudflare says the change cut R2 p99 latency in half.
The source presents this as a Cloudflare engineering result, not a general benchmark. It does not state which plans or products expose the capability, whether customers need to enable it, its price, the test workload behind the p99 figure, or whether the result applies beyond R2.
Cloudflare's account is available at the source URL below.