![]() ![]() System node pools serve the primary purpose of hosting critical system pods such as CoreDNS. Every AKS cluster must contain at least one system node pool with at least one node.ĪKS groups nodes of the same configuration into node pools of VMs that run AKS workloads. To run applications and supporting services, an AKS cluster needs at least one node: An Azure virtual machine (VM) to run the Kubernetes node components and container runtime. In AKS, customers fully manage and pay for the agent nodes attached to the AKS cluster. The nodes, also called agent nodes or worker nodes, host the workloads and applications. The control plane and its resources exist only in the region where you created the cluster. ![]() The Azure platform provides the AKS control plane at no cost as a managed Azure resource. AKS nodes and node poolsĬreating an AKS cluster automatically creates and configures a control plane, which provides core Kubernetes services and application workload orchestration. For more information on how to use Fargate with Amazon EKS, see AWS Fargate. Fargate provides on-demand, right-sized compute capacity for containers. You can also run Kubernetes pods on AWS Fargate. Each node group can be configured to run across multiple Availability Zones within a region.įor more information about Amazon EKS managed nodes, see Creating a managed node group and Updating a managed node group. The Kubernetes cluster autoscaler automatically adjusts the number of worker nodes in a cluster when pods fail or are rescheduled onto other nodes. Node updates and terminations automatically cordon and drain nodes to ensure that applications remain available.Įvery managed node is provisioned as part of an Amazon EC2 Auto Scaling group that Amazon EKS operates and controls. Amazon Web Services (AWS) users can use the eksctl command-line utility to create, update, or terminate nodes for their EKS clusters. Amazon EKS managed node groupsĪmazon EKS managed node groups automate the provisioning and lifecycle management of Amazon Elastic Compute Cloud (EC2) worker nodes for Amazon EKS clusters. This article is part of a series of articles that helps professionals who are familiar with Amazon Elastic Kubernetes Service (Amazon EKS) to understand Azure Kubernetes Service (AKS). ![]()
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