InfoQ - Rust

Cloudflare Cuts 100 TB of Memory from 1.1.1.1 DNS Cache

Leela Kumili — Wed, 23 Sep 2026 13:22:00 GMT

Cloudflare redesigned the in-memory representation of its Big Pineapple DNS cache, reducing the per-entry footprint by 56% and freeing roughly 100 TB of working-set memory across its fleet. The Rust-based changes also increased cache insertion throughput by 43% and reduced lookup latency by 19%, while enabling Cloudflare to increase cache capacity without additional memory.

By Leela Kumili

Andrew Kelley Interview: Why He Built Zig, Banned AI Contributions, and Moved Zig off GitHub

Bruno Couriol — Wed, 23 Sep 2026 10:36:00 GMT

In a JetBrains interview, Zig creator Andrew Kelley expanded on the project’s formal ban on AI contributions and the motivation behind its migration off GitHub to Codeberg: automated code submissions decrease codebase quality and weaken the social constructs between open-source participants; persistent GitHub failures and a perceived misalignment of incentives led to migrating to Codeberg.

By Bruno Couriol

Bun Rewrites 535K Lines of Zig into Rust in Four Months, Eliminates Numerous Memory Leaks

Bruno Couriol — Sun, 20 Sep 2026 19:51:00 GMT

Bun creator Jarred Sumner recently announced that Bun, the JavaScript/TypeScript runtime, bundler and package manager has been rewritten from Zig to Rust. The rewrite seeks to eliminate recurrent memory safety vulnerabilities via Rust’s borrow checker. The AI-assisted rewrite was released after 4 months of work instead of the estimated one year.

By Bruno Couriol