Cloudflare saves 100TB RAM with Rust optimizations
ritakozlov · x · 2026-08-28
Cloudflare shares details on optimizing their DNS cache using Rust. With 250 billion entries, five optimizations freed 100 TB of RAM, making inserts 43% faster and lookups 19% faster, without trading speed for space.
Related event: Cloudflare Saves 100TB of Memory with Rust DNS Optimization(2 posts)→
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