Devgetupd is the SNMP collection Windows service that updates the RRD databases after it collects the data.
This service is not normally run by the user at all.

The service is installed to automatically start when the operating system starts.

The service runs multiple threads that allow the service to collect from more than 1 device at a time.

Most of the time spent in collecting data is consumed by the service waiting on responses.

With multiple collections the total time taken to collect from multiple devices is drastically reduced without affecting the CPU on the collection server.

As a Windows service, the user does not need to worry about having to "start" the collections nor to worry about logging in to run an application.