[Schwan]

I'm not sure if this is a real issue; Normally (on gke for example) you can't use 100% cpu because of this.

If they saw the issue, then either they have not configured their nodes right, missconfigured them or perhaps run something very old?

I'm quite curious to see a proper test bench

[dilyevsky]

Kops (at least a few years ago) did not set any reservations for system components by default