Professional Cloud Architect – Google Cloud Certification Guide

Node pools

Node pools are used to put worker nodes into groups with the same configuration. When you create your first cluster, all the nodes are put into the default node pool. You might want to have multiple node pools if you want to have groups with specific characteristics, such as local SSDs, minimum CPU, a specific node image, or using a preemptible instance:

Node pools might be useful if your workloads have special resource requirements. You can use the concept of node taints to schedule your workload on a particular node pool. In the Further reading section, you will find a link to documentation on how to use node taints.

Node pools ...