- https://docs.bitnami.com/kubernetes/how-to/configure-autoscaling-custom-metrics/
- https://github.com/kubernetes/kube-state-metrics
- https://news.ycombinator.com/item?id=12455045
- https://github.com/digitalocean/vulcan
- https://github.com/coreos/prometheus-operator/blob/master/Documentation/high-availability.md
- katosys/kato#43
- https://www.robustperception.io/tag/tuning/
- https://www.robustperception.io/how-much-ram-does-my-prometheus-need-for-ingestion/
- https://jaxenter.com/prometheus-product-devops-mindset-130860.html
- https://www.slideshare.net/brianbrazil/so-you-want-to-write-an-exporter