The mysqld-exporter is a Prometheus exporter for collecting metrics from your MySQL database. The exporter can collect various key metrics which helps to determine how well your MySQL database is running.
Enable snaps on Debian and install MySQLd Prometheus Exporter
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
On Debian 9 (Stretch) and newer, snap can be installed directly from the command line: