Saving another 100TB of RAM with math (and Rust)

Cloudflare’s optimization of its Pingora-based backend routing and consistent-hashing implementation reclaimed more than 100TB of RAM globally, showing how small algorithmic improvements can create outsized infrastructure and cost benefits at hyperscale. For CIOs and technology leaders, the key implication is that memory efficiency is now a strategic lever—not just an engineering detail—because it directly affects capacity, resiliency, and how much headroom IT has to scale services without adding hardware. The article also underscores the value of strong performance engineering practices, cross-team resource governance, and using modern systems languages like Rust to drive measurable operational efficiency.