Enabling IPVS for a Cluster

Last updated: 2020-01-02 09:59:55

    Operation Scenario

    By default, Kube-proxy uses iptables to balance the load between Service and Pod. TKE supports fast enabling of IPVS-based traffic distributing and load balancing. IPVS is suitable for large-scale clusters by providing better scalability and performance.

    Precautions

    • This feature can be enabled only when the cluster is created but not for an existing cluster.
    • After enabling, IPVS takes effect for the entire cluster. It is recommended not to manually modify the IPVS in the cluster or use it together with iptables.
    • IPVS cannot be disabled once enabled in the cluster.
    • IPVS is only available for TKE clusters running Kubernetes v1.10 or higher.

    Steps

    1. Log in to the TKE console.
    2. Follow the steps in Creating a Cluster.On the "Create a cluster" page, set the "Kubernetes version" to v1.10 or higher, click Advanced settings, and enable "IPVS support". See the figure below:
      Enable IPVS
    3. Follow the on-screen prompts to complete the cluster creation.

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