That's why I'm still using munin, even for kubernetes clusters, even after 20 years in the business, if I should need a plugin that I wrote back then it would still work!
And I can monitor a whole k8s cluster (around 70 nodes) using 100MB of mem and 3G for storage (up to 1 year).
And I can monitor a whole k8s cluster (around 70 nodes) using 100MB of mem and 3G for storage (up to 1 year).
Keep it simple!!