kubectl-top
displays resource usage for nodes or pods
TLDR
Show node resource usage
$ kubectl top nodes
Show pod resource usage$ kubectl top pods
Show pod usage in namespace$ kubectl top pods -n [namespace]
Show container-level usage$ kubectl top pods --containers
Sort by CPU$ kubectl top pods --sort-by=cpu
SYNOPSIS
kubectl top type [options]
DESCRIPTION
kubectl top displays resource usage (CPU and memory) for nodes or pods. Requires metrics-server to be running in the cluster. Useful for monitoring resource consumption and identifying resource-hungry workloads.
PARAMETERS
nodes
Display node resource usage.pods
Display pod resource usage.--containers
Show container-level metrics.--sort-by field
Sort by cpu or memory.-n, --namespace name
Kubernetes namespace.-A, --all-namespaces
Show all namespaces.
INSTALL
sudo apt install kubectl
sudo pacman -S kubectl
sudo apk add kubectl
brew install kubectl
nix profile install nixpkgs#kubectl
CAVEATS
Requires metrics-server installed in the cluster. Metrics may have a delay of up to one minute.
SEE ALSO
kubectl(1), kube-capacity(1)