)           /         sum(node:node_num_cpu:sum)           > 0.0       for: 0m       labels:         severity: warning     - alert: KubeMemOvercommit       annotations:         message: Cluster has overcommitted memory resource requests for Namespaces.         runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubememovercommit       expr: |-         sum(kube_resourcequota{job="kube-state-metrics", type="hard", resource="