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K3s in Production? (k3s.io)

submitted 1 year ago by alienscience@programming.dev to c/kubernetes@programming.dev

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I installed K3s for some hobby projects over the weekend and, so far, I have been very impressed with it.

This got me thinking, that it could be a nice cheap alternative to setting up an EKS cluster on AWS -- something I found to be both expensive and painful for the availability that we needed.

Is anybody using K3s in production? Is it OK under load? How have upgrades and compatibility been?

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[–] Dogeek@sh.itjust.works 1 points 1 year ago

I've used truenas scale (comes with k3s preinstalled) and I ended up fucking up the cluster on accident a couple of times (mostly because of power outages), I've since moved over to Debian and a manual kubeadm install. Will make upgrading the cluster a bit more painful, but so far it's stable (ish, I have had issues with the Nvidia containerd backend)

[–] fireflash38@lemmy.world 1 points 1 year ago

Define production lol. I've used it for a CI cluster for a few years. Have had to recreate it a few times due to database corruption (despite using etcd across 3 nodes).

Honestly Rancher management is more of a pain than manually managing via ansible or something. And swapping to CRI-O backend instead of containerd js a huge pain for Rancher/RKE2, but pretty easy with k3s.