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Clean up kube-state-metrics noise before device metrics trigger Prometheus cardinality spikes

A practical guide to controlling labels, metrics, and dashboards as Kubernetes exposes more hardware, GPU, and workload context.

Find which kube-state-metrics families inflate Prometheus, prune volatile labels with allowlists, and validate alerts and dashboards before rolling the change out.

Created: June 26, 2026

Published: June 26, 2026

Estimated time35 min

LevelIntermediate

Before you startPrometheus with PromQL query access

PlatformsLinux

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Linux

Measure cardinality, apply kube-state-metrics allowlists, and validate the canary from a Linux shell.

kubectlhelmcurljqoptional promtool

Top noisy metric families

promtool query instant http://prometheus:9090 'topk(20, count by (__name__)({job="kube-state-metrics"}))'

Review current flags

kubectl -n monitoring get deploy kube-state-metrics -o jsonpath='{.spec.template.spec.containers[0].args}'

Validate rules before applying

promtool check rules rules/ksm-noise.yml

Also available inLimpiar ruido de kube-state-metrics antes de que las métricas de dispositivos disparen la cardinalidad

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