Get the latest tech news

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


Five Rust-level memory optimizations to the DNS cache layout of Big Pineapple cut per-entry memory by 56%, freeing approximately 100 TB of memory across Cloudflare's fleet.

None

Get the Android app

Or read this on Hacker News

Read more on:

Photo of DNS

DNS

Photo of Memory

Memory

Photo of terabytes

terabytes

Related news:

News photo

Google Play Store is forcing apps to stop hogging your phone's memory

News photo

The fix for the AI agent that hijacked a company's DNS: it can propose the change, but it can't approve it

News photo

Agentic Context Management: Memory and Cost as Architecture Problems