grafana 使用技巧

https://blog.csdn.net/weixin_30764771/article/details/96005794
https://cloud.tencent.com/developer/article/1632682
https://blog.51cto.com/liqingbiao/5254266
https://www.cnblogs.com/zhaojiedi1992/p/zhaojiedi_liunx_64_prometheus_granafa.html
https://blog.51cto.com/jiayimeng/2823382
https://yunlzheng.gitbook.io/prometheus-book/part-ii-prometheus-jin-jie/grafana/grafana-panels/use_singlestat_panel
https://blog.csdn.net/yuanfangPOET/article/details/114235550
https://blog.csdn.net/weixin_45697805/article/details/107048034
https://opensource.actionsky.com/20200825-prometheus/
https://yunlzheng.gitbook.io/prometheus-book/part-ii-prometheus-jin-jie/grafana/templating