How to Autoscale pods based on CPU/Memory in Kubernetes?

CPU Based Scaling
With Horizontal Pod Autoscaling, Kubernetes automatically scales the number of pods in a replication controller, deployment or replica set based on observed CPU utilisation.

[code]$ kubectl get deployment
$ kubectl autoscale deployment <deployment-name> –min=2 –max=5 –cpu-percent=80

$ kubectl get hpa[/code]

So, now we have a hpa running for our deployment “tomcat02”. It compares the arithmetic mean of the pods’ CPU utilization with the target defined in Spec.

  • https://blog.powerupcloud.com/autoscaling-based-on-cpu-memory-in-kubernetes-part-ii-fe2e495bddd4
  • https://blog.justinwflory.com/2018/03/kubernetes-horizontal-pod-autoscaling/