Munin is a great resource monitoring tool. However, it can easily max out the server resource depending on number of monitored devices. I’ve ran into some disk I/O contention issue on my Munin server. I don’t even have that many monitored devices… only eighteen. There are couple ways to speed …..
Munin by default probably doesn’t graph MySQL data. It might if you installed Debian’s default MySQL server. Since I’m using MySQL’s repo and installed version 5.7 on my server… Munin doesn’t detect on install and doesn’t monitor my MySQL server. The default setting reading /etc/mysql/debian.cnf file using MySQL user “debian-sys-maint” …..