9. Scaling Pods

9.1. Overview

The section provides guidelines on the scaling of pod resource. Cart microservice will be used in this tutorial.

9.2. Scaling Up Pods

There are two ways to scale up the pods.

9.2.1. Using CLI

9.2.1.1. Get the Cart microservice pods

kubectl get pods -n NAMESPACE_NAME | grep cart

Currently, it has only 1 pod.

9.2.1.2. Pods can be scaled by changing the replica-count in the

kubectl scale --replicas=2 deployment cart -n NAMESPACE_NAME

9.2.1.3. Get the Cart microservice pods

kubectl get pods -n NAMESPACE_NAME | grep cart

Now it will have 2 pods

9.2.2. Using Dashboard

9.2.2.1. It can be seen that Cart microservice has only 1 pod

9.2.2.2. Edit the replica count

9.2.2.3. Increase the replica count

9.2.2.4. It can be seen that Cart microservice has 2 pod

9.3. Scaling Down Pods

There are two ways to scale down the pods.

9.3.1. Using CLI

9.3.1.1. Get the Cart microservice pods

kubectl get pods -n NAMESPACE_NAME | grep cart

Currently, it has only 2 pods.

9.3.1.2. Pods can be scaled by changing the replica-count in the

kubectl scale --replicas=1 deployment cart -n NAMESPACE_NAME

9.3.1.3. Get the Cart microservice pods

kubectl get pods -n NAMESPACE_NAME | grep cart

Now it will have 1 pod

9.3.2. Using Dashboard

9.3.2.1. It can be seen that Cart microservice has only 2 pods

9.3.2.2. Edit the replica count

9.3.2.3. Decrease the replica count

9.3.2.4. It can be seen that Cart microservice has 1 pod