Metrics
posts (2)
- CPU in Kubernetes from the kernel up10/12
How to debug CPU in Kubernetes without guessing
Usage, throttling, contention and pressure are four different phenomena. A single CPU chart settles none of them - you need an order of operations.
- CPU in Kubernetes from the kernel up6/12
PSI: how Linux measures real CPU pressure
Utilisation says how much CPU a workload got. PSI measures the time it lost because it wanted to execute and had nothing to execute on.