I agree that the documentation still need a lot of work. However, it doesn't say nor suggest to setup any crontab as root. As the only requirement is to have a

I agree that the documentation still need a lot of work. However, it doesn't say nor suggest to setup any crontab as root. As the only requirement is to have a stored procedure called regularly, you can use local postgres crontab for example, or any other place else. I will clarify this point on documentation as soon as possible.