Kubernetes Metrics Server (KMS)

wikipedia:Kubernetes Metrics Server collects resource metrics from Kubelets and exposes them in Kubernetes apiserver through Metrics API for use by Horizontal Pod Autoscaler, Vertical Pod Autoscaler and kubectl top.

• https://github.com/kubernetes-sigs/metrics-server

Kubernetes Vertical Pod Autoscaler (VPA)

Installation

• helm repo add metrics-server https://kubernetes-sigs.github.io/metrics-server/
• helm upgrade --install metrics-server metrics-server/metrics-server

• kubectl get deployment metrics-server -n kube-system

Related

• CPU, https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/#resource-units-in-kubernetes
• kubectl top
• Kubernetes dashboard
• Kubernetes API Server
• kubectl get pods
• Kube-state-metrics (KSM)
• Prometheus

See also

• Kubernetes Metrics Server, Kubernetes autoscaling, kubectl top
• K8s troubleshooting: kubectl logs, kubectl top, kubectl get events -A, kubectl describe pod, Liveness, Readiness, Kubernetes events, Pulling image, OOMKilled, ProbeWarning, Reason, FailedScheduling, errImagePull, ImagePullBackOff, Kubelet conditions: MemoryPressure, DiskPressure, KubeletHasSufficientPID, KubeletReady, kubectl [ debug | attach | exec ] kubectl cluster-info dump, SimKube, KWOK