Fedora CoreOS Numbers 10/2024 edition

Fedora publishes countme data weekly into a database that can be picked up from here. For the week of 2024-10-06 data it looks like our FCOS node count has increased to over 90k (33.8k transient, 57k long running):

Our architecture breakdown is about 41.1% aarch64 and 58.8% x86_64 showing strong growth for the aarch64 architecture where it was previously at 30.5% of nodes in May 2024.

Our breakdown based on Fedora Linux release shows the majority of users (67.6%) on Fedora Linux 40 most likely with automatic updates enabled and following latest stream updates. We also have a few hundred nodes on next that has been moved to Fedora 41 beta/pre-release content in anticipation of the Fedora 41 release in the coming weeks. Unfortunately we do still have a third of our nodes out there on older/EOL releases. Please do consider re-enabling zincati if you are one of these users!

If you use Fedora CoreOS (or have tried it in the past) let us know what you like and what you don’t like!

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Things to consider while reading

  • All my 5 nodes are live booted via PXE and provisioned via HTTP(s)
  • All of them have /var mount for data persistence
  • One of them use /var on a soft raid
  • One of them is in the 0.173% with F41
  • One of them is a k8s control plane
  • 3 of them are k8s worker nodes (2 stable and 1 next stream)
  • 1 pentium G3220T 16g ; 1 atom D2550 6Go ; 1 atom D525 4Go ; 2 celeron J1900 8Go

What I like :

  • Ignition configuration that make live boot possible with all services up !
  • the reactivity of the team about CVE ! (this update came AFAIK 1 hour after release job did start and it has been included)
  • It’s lightweight but …

What I dislike :

  • … please, do not add too much packages :wink: I run everything in RAM !
  • and … hum, wait … that’s the backside of having a k8s cluster and a 2 weeks release frequency, kubectl drain --ignore-daemonsets bla bla bla, sudo reboot, kubectl cordon bla bla bla :rofl:

Well, I really like CoreOS and I promote it every day !

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I think that some breaking change made some user stuck on F35 F36: CHANGE: Podman 4.0 · Issue #1106 · coreos/fedora-coreos-tracker · GitHub