Programming

Programming

— Software development, languages, tools, and the craft of building software
1 members Created Sep 2026

Cloudflare Cuts 100 TB of Memory from 1.1.1.1 DNS Cache

infoq.com/news/2026/09/cloudflare-dns-cache

Cloudflare rewrote how its 1.1.1.1 resolver stores DNS cache entries and shaved per-entry memory from 953 to 420 bytes, freeing roughly 100 TB fleetwide. Five changes to Rust's data structures also cut lookup latency by 19% and boosted insertion throughput 43%.

— via InfoQ, Leela Kumili

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