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 (HPA), Vertical Pod Autoscaler (VPA) and kubectl top.

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

Installation

• helm repo add metrics-server https://kubernetes-sigs.github.io/metrics-server/
• helm upgrade --install metrics-server metrics-server/metrics-server
• helm install --set 'args={--kubelet-insecure-tls}' --namespace kube-system metrics-server metrics-server/metrics-server

• kubectl get deployment metrics-server -n kube-system
• minikube addons enable metrics-server

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
• https://kubernetes.io/docs/reference/instrumentation/metrics/

See also

• helm install metrics-server
• kubectl top [ node | pod ], nodes.metrics.k8s.io, metrics-server
• Kubernetes Metrics Server, Kubernetes autoscaling, kubectl top
• Kubernetes monitoring, node conditions, Kube-state-metrics (KSM), Prometheus, VictoriaMetrics, node-problem-detector, Thanos, log collection, ProbeWarning, Kubernetes node-problem-detector, Pixie, OpenMetrics, kind: PodMonitor, Jaeger