refs

• https://www.densify.com/kubernetes-autoscaling/kubernetes-resource-quota/

• https://stackoverflow.com/questions/59212544/how-to-find-available-resources-in-a-kubernetes-cluster-level

• https://kubernetes.io/docs/tasks/administer-cluster/reserve-compute-resources/#node-allocatable

• https://www.jeffgeerling.com/blog/2019/monitoring-kubernetes-cluster-utilization-and-capacity-poor-mans-way

• https://www.bmc.com/blogs/kubernetes-compute-resources/

• https://learnk8s.io/allocatable-resources

• https://learnk8s.io/kubernetes-node-size

• https://www.middlewareinventory.com/blog/cpu-memory-usage-nodes-k8s/

• https://github.com/robscott/kube-capacity

• https://itnext.io/dive-deep-into-resource-requests-and-limits-in-kubernetes-3e99030697ec

• https://github.com/kubernetes/kubernetes/blob/master/pkg/apis/core/types.go#L5269