Prometheus Notes

PromQL

node exporter:

node_memory_MemAvailable_bytes{job=~"myjob.*"} / on ( instance ) node_memory_MemTotal_bytes{job=~"myjob.*"}

node_memory_MemFree_bytes{job=~"myjob.*"} / on ( instance ) node_memory_MemTotal_bytes{job=~"myjob.*"}

sum(kube_pod_container_resource_requests_cpu_cores) / sum(kube_node_status_capacity_cpu_cores) * 100

resources

https://timber.io/blog/promql-for-humans/