Cloudflare announced significant improvements after rebuilding their system with FL2, leading to a 10ms reduction in median response time and a 25% performance boost. The transition from the 15-year-old FL system to FL2, built in Rust on the Oxy framework, enhanced security and reduced resource consumption. Over 100 engineers contributed to the migration, which is expected to be completed by early 2026. This overhaul allows for modularity and optimization, promising better performance and faster feature delivery to customers.
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