Running MySQL Enterprise Service Manager places a reasonable load on your system, and this load increases linearly as you add more agents monitoring more servers. Ideally, you should use a dedicated machine for MySQL Enterprise Service Manager, rather than running it alongside other applications and services.
Minimum System Requirements
2 or more CPU cores
2 or more GB of RAM
Disk I/O subsystem applicable for a write-intensive database
Recommended System Requirements (if monitoring 100 or more MySQL servers)
4 or more CPU cores
8 or more GB of RAM
Disk I/O subsystem applicable for a write-intensive database (RAID10, RAID 0+1)