Chris Stryczynski

Software Developer / Consultant

Why the fuck does Kubernetes use all up the CPU!?

I’m often surprised how popular / trendy software projects seem to have significant limitations / bugs to resolve.

https://stackoverflow.com/questions/45573825/pod-will-not-start-due-to-no-nodes-are-available-that-match-all-of-the-followin

https://stackoverflow.com/questions/45586069/why-does-a-single-node-cluster-only-have-a-small-percentage-of-the-cpu-quota-ava

I’m running a beefy server with 8GB of RAM and yet it can’t even run a Wordpress setup due to all the other necessary shit running on the server. Is this really the cost of being able to scale with containers? 72% of the CPU allocated to some shitty abstractions?

https://github.com/kubernetes/kubernetes/issues/13048

So in short, if you only intend to use a single node or only one or two servers - expect a large amount of computing power allocated to running Kubernetes and it’s things…