All measurements are triggered by systemctl. Here are the most common commands when working with it:
You can get a list of all services running for graphite like this:
systemctl --user list-units '*graphite*'
To get a log of what is happening:
journalctl --user --follow --full --boot
Restart one of the services:
systemctl --user restart `timer_type@name_of_service`
Stop one of the services:
systemctl --user stop `timer_type@name_of_service`