5x faster Edge Functions: How we replaced v8 isolates with Firecracker MicroVMs
About a billion Edge Functions run on Netlify every day — Sunweb personalizing pages, Loto-Québec routing traffic on a cookie check, and hundreds of thousands of other sites doing everything from personalization to routing to auth. All of it runs on a full JavaScript runtime that scales with our customers’ traffic.
This poses a significant technical challenge, as we strive to make the latency as low as possible. To run tens, sometimes hundreds of thousands, of edge functions per second, we need ...
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