Prtg Network Monitor 21.0.x ((full))

Not everything needs to be checked every 60 seconds. Set your "Uptime" sensors to 1 minute, but move "Disk Space" or "Windows Updates" sensors to 15 or 30 minutes to save resources.

: This version introduced the first iterations of a new, more powerful API v2, designed to be more REST-compliant and easier for developers to integrate with external tools [3]. prtg network monitor 21.0.x

: Handles data storage, the web server, and the notification system [4]. Not everything needs to be checked every 60 seconds

: Expect 15–45 minutes for every 10,000 sensors, depending on disk I/O. more powerful API v2

Compared to version 18.x, the same 10,000 sensors used and 15% less RAM —a testament to the optimization in 21.0.x.