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prometheus + grafana i kinda the state of the art

I have a homelab of raspberry pis, so I've long looked for a "low memory" monitoring solution. As far as I've found out, such a thing doesn't exist. 😞 People making/designing monitoring solutions are usually the same people who monitor big professional clusters, where "low memory" is a distant memory of something they had to deal with 20 years ago 😛 I've ended up using Grafana Cloud free tier (https://grafana.com/pricing/) to move a big part of the monitoring stack out of the cluster, that helped a lot. 🙂

Somewhat late to the party... we have Grafana Cloud in place on the RKE2 clusters, where Helm installs agents onto the worker nodes. Is it proper/safe/insane to want to try installing onto the local K3s cluster, which just has control plane nodes?