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Fun experiment: started 100 Firecracker microVMs on a single bare metal server, and the 101st took less than 5 seconds to warm up 🚀 ...and at least 15 of those VMs were running K3s ...while the resource utilization stayed < 30% via iximiuz Labs ❤️‍🔥

Ivan Velichko

60,243 subscribers

50,674 Aufrufe • vor 3 Jahren •via X (Twitter)

Gesundheit & Wellness Bildung Wissenschaft & Technologie

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10 Kommentare

Profilbild von Ivan Velichko

Ivan Velichkovor 3 Jahren

And the coolest part probably is that the server that powers at this moment isn't that powerful! i7-8700 CPU 3.20GHz (6 CPUs, 12 threads) and 128 GB RAM

Profilbild von Marc Campbell

Marc Campbellvor 3 Jahren

Any of this open source? I’d love to see the process you use to make the firecracker disk images that allow the boot to be so quick!

Profilbild von Ivan Velichko

Ivan Velichkovor 3 Jahren

My process is not much different from what ignite does It’s a good old “take a dockerfile and build it to a folder, then dump a kernel on top.” I described it a while ago in this blog post

Profilbild von Roman Dodin

Roman Dodinvor 3 Jahren

What do you use for launching firecracker vms? Not ignite?

Profilbild von Ivan Velichko

Ivan Velichkovor 3 Jahren

It’s a 100% custom daemon. Much like ignite but with a REST API and tailored for multi-VM playgrounds (so a bunch of extra networking magic).

Profilbild von SadServers

SadServersvor 3 Jahren

Nice, I’m going to try this at some point

Profilbild von tian/天

tian/天vor 3 Jahren

Looks awesome 👏

Profilbild von Ivan Velichko

Ivan Velichkovor 3 Jahren

Thank you! 🙌

Profilbild von Vo

Vovor 3 Jahren

Where do you have your VM?

Profilbild von Ivan Velichko

Ivan Velichkovor 3 Jahren

I have a couple of bare metal servers in Hetzner right now.

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