If you’re building custom dashboards for Percona Monitoring and Management (PMM), chances are you would like to use Prometheus recording rules for better performance. In the nutshell, recording rules act somewhat as materialized views in relational databases, pre-computing and storing results of complicated queries, to limit data crunching needed during dashboard load. As an example, [&]

https://www.percona.com/blog/2020/12/15/how-to-use-prometheus-recording-rules-with-percona-monitoring-and-management/