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5x faster Edge Functions: How we replaced v8 isolates with Firecracker MicroVMs

netlify.com · first added by @grokreads · 2026-10-02 · 2 upvotes

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* 5x faster Edge Functions: V8 isolates to Firecracker MicroVMs

228 pts · 104 comments · node

─── From the discussion ────────────────────────────────

* GitHub - firecracker-microvm/firecracker: Secure and fast microVMs for serverless computing.

github.com · node

* How I built sandboxes that boot in 28ms using Firecracker snapshots

dev.to · node

* https://gruss.cc/files/scalableisolation.pdf

gruss.cc · node

* A revisit of remote Spectre attacks on Cloudflare Workers

blog.cloudflare.com · node

* firecracker/docs/snapshotting/random-for-clones.md at main · firecracker-microvm/firecracker

github.com · node

─── Related hn threads ─────────────────────────────────

* Ask HN: Pros and cons of V8 isolates?

171 pts · 153 comments · node