Prometheus

Alert example

http://prometheus-operated.monitoring.svc.c01.eks01.k8s.aws96.lab.nordigy.ru:9090/graph?g0.expr=sum%28namespace_memory%3Akube_pod_container_resource_requests%3Asum%29+%2F+sum%28kube_node_status_allocatable%7Bresource%3D%22memory%22%7D%29+%3E+%28%28count%28kube_node_status_allocatable%7Bresource%3D%22memory%22%7D%29+%3E+1%29+-+1%29+%2F+count%28kube_node_status_allocatable%7Bresource%3D%22memory%22%7D%29&g0.show_exemplars=0.g0.range_input%3D1h&g0.stacked=0&g0.tab=1prometheus-operated.monitoring.svc.c01.eks01.k8s.aws96.lab.nordigy.ru

Copy the alert

Paste it into search field in browser and find a rule

in Rules