Tag

Prometheus

Articles tagged Prometheus on woitzik.dev: hands-on infrastructure guides, homelab notes, and troubleshooting write-ups.

1 article

Prometheus Sizing for Homelab: RAM, Retention, and a 2Gi Limit

05 Nov 2026

kube-prometheus-stack on a small k3s cluster: no memory limit took down a 4GB node, then the TSDB filled its NFS volume. The real values that fixed both.