Kubernetes Metrics Server: Difference between revisions
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* [[Metrics in Kubernetes]] | * [[Metrics in Kubernetes]] | ||
* [[Kubernetes_Autoscaling_Concepts#Horizontal_Pod_Autoscaling|Horizontal Pod Autoscaling]] | * [[Kubernetes_Autoscaling_Concepts#Horizontal_Pod_Autoscaling|Horizontal Pod Autoscaling]] | ||
* [[Kubelet#Metrics_Collection|kubelet]] | |||
=Overview= | =Overview= | ||
Revision as of 23:33, 5 October 2020
External
Internal
Overview
The Kubernetes metrics server, also referred to as "metrics-server" is a lightweight, short-term, in-memory server to collect and expose resource metrics. metrics-server is used as part of the Kubernetes resource metrics pipeline.
metrics-server discovers all nodes on the cluster and queries each node's kubelet for resource metrics (CPU and memory). There's embedded logic in the kubelet, known as cAdvisor, that
TODO
- Install the metric server for EKS: https://docs.aws.amazon.com/eks/latest/userguide/horizontal-pod-autoscaler.html