System CPU states
System memory
System processes
System swapping
System sessions
System uptime
ens3 traffic
Network connections
ens3 errors & collisions
Disk I/O traffic
Disk usage in percent
Mail traffic
MySQL troughput
MySQL queries
MySQL slow queries
MySQL inefficient joins
MySQL cache size
MySQL cache performance
MySQL InnoDB buffer pool
MySQL hit ratios
MySQL InnoDB logs
MySQL threads
MySQL files and tables
MySQL temporary objects
MySQL memory usage
MySQL app issues