Prometheus rule KubeletTooManyPods incorrect statistics

[jeffaryhe]

1、When there are multiple pods in the resource type deployment, the statistics cover them and an alarm will be triggered. This is not the actual number limit of k8s nodes.
https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubelettoomanypods/

2、The current number of pods in my cluster is 73, which does not reach the pod number limit of the node node.

3、This is the threshold reached in the alarm. All alarms should be issued based on the total number of pods on the node and the actual number of pods.

4、kubelet_running_pods Reference change indicator

[philipgough]

Hi, that is being pulled in from mixin https://github.com/kubernetes-monitoring/kubernetes-mixin/blob/a3fbf21977deb89b7d843eb8371170c011ea6835/alerts/kubelet.libsonnet#L51 so might be worth reporting the issue there.