Kubernetes 101 : Scaling a stateful set

The below diagram represents the scaling down of a statefulset named db1:

Before scaling down our statefulset, we check the pods and we see that there are three replicas:

We can tell from the names of our pods that they are managed by a statefulset is named db1.

We look for that statefulset in our system using the below:

Then we can scale out statefulset down to two pods using the below command:

We check to see if the statefulset was successfully scaled down to two pods using the following:

Remark:

The "--record" parameter created an annotation as we see using the "kubectl describe" command:

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