Node pool
A node pool is a managed group of compute nodes sharing configuration and lifecycle settings for scheduling workloads.
Google Anthos in Action
A node pool is a group of Kubernetes worker nodes managed together with shared configuration and machine characteristics.
- How it is used
- Groups worker nodes within user clusters and enables different machine sizes within a GKE on AWS cluster.
- How deep it goes
- Shows AWS pool manifest fields and Azure creation and deletion commands, without explaining worker-node internals.
- Examples
- Uses an AWSNodePool YAML manifest and gcloud alpha commands for Azure pool creation and deletion.
- What you can do after
- Operate/configure node pools through an AWSNodePool manifest or gcloud alpha Azure commands, including Azure deletion order.
Effective Platform Engineering
A node pool is a managed group of compute nodes sharing a configuration and available for scheduling workloads.
- How it is used
- Uses node pools to control workload placement and validate dynamic capacity in an EKS cluster managed with Karpenter.
- How deep it goes
- Explains labels, affinity, taints, tolerations, and provisioning tests, but stops short of Karpenter implementation internals.
- Examples
- Tests AMD and ARM deployments, management-node affinity, dedicated tolerations, pod startup, and dynamic node creation.
- What you can do after
- Operate/configure workload placement by assigning selectors, affinity, taints, and tolerations, then validate provisioned pools with Bats tests.
Read how Effective Platform Engineering explains node pool →
Related concepts
- Karpenterused by · Karpenter is an open-source Kubernetes node provisioning tool that dynamically provisions and consolidates compute capacity.
- Kubernetes clusterpart of · A Kubernetes cluster is a set of control-plane and worker machines managed by Kubernetes to run and coordinate workloads and services.
- Kubernetes worker nodehas part · A Kubernetes worker node is a physical or virtual machine in a cluster that provides compute resources and runs scheduled Pods and node-level services.
- horizontal scalingconfigured by · Horizontal scaling is adjusting system capacity by adding or removing computing nodes or equivalent instances that share or distribute the workload.
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