我想创建一个 kubernetes 集群。
我想要一个具有高可用性的主节点、工作节点和代理节点的集群,并且节点位于两个位置。
是否记录了位置之间支持的最大距离或延迟?
此外,我希望能提供官方文档的链接,但我找不到任何相关内容。
谢谢。
kubernetes 集群中的节点之间没有延迟限制。它们是可配置的参数。
For kubelet https://kubernetes.io/docs/admin/kubelet/在工作节点上是:
--node-status-update-frequency duration Specifies how often kubelet posts node status to master. Note: be cautious when changing the constant, it must work with nodeMonitorGracePeriod in nodecontroller. (default 10s)
For 控制管理器 https://kubernetes.io/docs/admin/kube-controller-manager/在主节点上它们是:
--node-monitor-grace-period duration Amount of time which we allow running Node to be unresponsive before marking it unhealthy. Must be N times more than kubelet's nodeStatusUpdateFrequency, where N means number of retries allowed for kubelet to post node status. (default 40s)
--node-monitor-period duration The period for syncing NodeStatus in NodeController. (default 5s)
--node-startup-grace-period duration Amount of time which we allow starting Node to be unresponsive before marking it unhealthy. (default 1m0s)
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