Alauda Container Platform
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    • Overview

    Nodes are the fundamental building blocks of a cluster. Nodes can be virtual machines or physical servers, and each node runs the components required to host Pods, including kubelet, kube-proxy, and the container runtime.

    Users with platform management permissions can add, manage, and plan nodes under clusters.

    NOTE

    Adding nodes to imported clusters or deleting nodes from imported clusters is not supported.

    TOC

    Node typesNode operation pathsAlauda OS NodesNon-Alauda OS NodesLinux node availability checkSupported operating systems and CPU models

    Node types

    • Control plane nodes run cluster components such as kube-apiserver, kube-scheduler, kube-controller-manager, etcd, container networking, and some platform management components.
    • Worker nodes host business Pods running on the cluster. Plan worker node count based on workload demand.

    Node operation paths

    The following tasks apply to clusters whose nodes run Alauda OS and to clusters whose nodes run a non-Alauda OS.

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    Plan infra nodes or custom role nodes.Infra Nodes
    Tune CPU, memory, or topology manager policies for performance-sensitive workloads.Resource manager policies

    Alauda OS Nodes

    Nodes on Alauda OS clusters are managed through Cluster API resources and are replaced rather than changed in place.

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    Configure machine health checks, or scale and maintain nodes on a specific infrastructure provider.Alauda OS Nodes

    Non-Alauda OS Nodes

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    Add nodes to or delete nodes from a cluster.Add and Remove Nodes
    Manage labels, taints, and node scheduling state.Manage Nodes
    Plan in-place operating system upgrades for eligible nodes.Plan an In-Place OS Upgrade for Nodes

    Linux node availability check

    Before building a workload cluster on a non-Alauda OS, complete the node checks and confirm that every node meets the requirements. Cluster deployment can fail when prerequisites are not satisfied.

    Supported operating systems and CPU models

    For supported operating systems and CPU models, see Supported Operating Systems and CPU Models.