create-and-manage-hpa.md

Create and manage Horizontal Pod Autoscaling (HPA)

From: http://kubernetes.io/docs/user-guide/horizontal-pod-autoscaling/walkthrough/

kubectl create -f deployment/myapp.yaml

kubectl create -f service/myapp.yaml

kubectl create -f hpa/myapp.yaml

kubectl get pods 

Exercise: Add load to our application

In another command shell

kubectl exec it my-app-<xxxx> -- sh

# while true; do wget -O- http://127.0.0.1/heavy-workload; done

kubectl get deployments my-app; kubectl get hpa my-app

Exercise: Kill load in other shell and watch results

kubectl get deployments my-app 

kubectl get hpa my-app