https://docs.percona.com/pg-stat-monitor/
https://github.com/percona/pg_stat_monitor

2024
Percona - pg_stat_monitor: A Featured Rich And Enhanced Version — Ibrar Ahmed of 32:49
    https://www.youtube.com/watch?v=eFKLQ4-N0WM
Percona - Quick Wins for Performance Troubleshooting With pg stat monitor — Pablo Svampa 0:00 of 51:43
    https://www.youtube.com/watch?v=g87gnuIXSgk