January 2019
Intermediate to advanced
484 pages
11h 48m
English
Content preview from DevOps with Kubernetes - Second Edition
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Node pool
When launching the Kubernetes cluster, you can specify the number of nodes using the --num-nodes option. GKE manages a Kubernetes node as a node pool. This means you can manage one or more node pools that are attached to your Kubernetes cluster.
What if you need to add or delete nodes? GKE let's you resize the node pool by performing the following command to change Kubernetes node from 3 to 5:
//run resize command to change number of nodes to 5$ gcloud container clusters resize my-k8s-cluster --size 5 --zone asia-northeast1-a//after a few minutes later, you may see additional nodes $ kubectl get nodesNAME STATUS ROLES AGE VERSIONgke-my-k8s-cluster-default-pool-bcae4a66-j8zz Ready <none> 32s v1.10.9-gke.5gke-my-k8s-cluster-default-pool-bcae4a66-jnnw ...
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