round(sum(irate(nginx_ingress_controller_requests{controller_pod=~"$controller",controller_class=~"nginx",controller_namespace=~"ingress-nginx",ingress=~"$ingress"}[2m])) by (ingress), 0.001)
(avg(rate(app_requests_total{kubernetes_namespace="default", kubernetes_name="{{ template "helm-guestbook.fullname" . }}"}[5m])) > 0) or