Saving 100 terabytes of memory by optimizing 1.1.1.1's DNS cache

Cloudflare engineers detailed the technical process of optimizing the 1.1.1.1 DNS cache to save 100 terabytes of memory. The post explores the use of Rust and specific architectural changes to improve performance and efficiency.
Why it matters
Optimizing core internet infrastructure is critical for maintaining global network speed and reducing the energy footprint of large-scale data services.
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