Ryan Ormrod
← Pulse · the trade press

Executive summary

Cloudflare frees 100TB memory with DNS cache optimisation

Illustration of the briefing: Cloudflare frees 100TB memory with DNS cache optimisation
Generated by AI · 27 August 2026 Cloudflare frees 100TB memory with DNS cache optimisation

Cloudflare (opens in a new tab) has detailed how it saved approximately 100 terabytes of memory by optimising its 1.1.1.1 DNS cache, cutting per-entry memory by 56% through five Rust-level changes. Meanwhile, the NCSC (opens in a new tab) warned that internet-exposed systems and edge devices pose a growing risk from disruptive cyber activity, urging owners to address avoidable vulnerabilities.

In ecommerce, WooCommerce 11.1 introduces Order Withdrawal (opens in a new tab) for EU customers, while a new guide helps merchants audit and streamline return policies (opens in a new tab). Google AI (opens in a new tab) added three new ways to plan and book travel in Search, including AI Mode. WordPress (opens in a new tab) signed an open letter on open weights and American AI leadership. PHP released versions 8.5.10 and 8.4.25.