promethues 语法使用

https://system51.github.io/2021/06/29/Query-persistence-and-visualization/
https://blog.csdn.net/zhixin9001/article/details/125057849
https://www.cnblogs.com/lizexiong/p/15585063.html
https://medium.com/@janehojy/openshift-4-monitoring-exploring-grafana-part-ii-bbd5d001e7a9
https://cloud.tencent.com/developer/article/1557482
https://zhuanlan.zhihu.com/p/270252333
https://www.shuzhiduo.com/A/mo5kED94zw/
https://blog.51cto.com/liqingbiao/5260008
https://blog.csdn.net/qq_34468174/article/details/123290206
https://medium.com/@amimahloof/kubernetes-promql-prometheus-cpu-aggregation-walkthrough-2c6fd2f941eb
https://www.cnblogs.com/apink/p/15767687.html
https://blog.csdn.net/qq_42883074/article/details/115082175
https://zhuanlan.zhihu.com/p/524686074
https://www.jianshu.com/p/8b4cb143d174
https://sysdig.com/blog/prometheus-query-examples/
https://gist.github.com/max-rocket-internet/6a05ee757b6587668a1de8a5c177728b
https://stackoverflow.com/questions/55143656/prometheus-queries-to-get-cpu-and-memory-usage-in-kubernetes-pods
https://www.yuque.com/fczggw/wu7u0k/zidpv7