I too don’t bother with a screen-saver and just use the standby after a delay.

I still have the ‘Generate VRDB when screen-saver is running’ in my settings, this in effect never happens as I don’t use a screen-saver.

I take a backup image of my system every week along with other maintenance tasks. One of these tasks is, I manualy run a ‘Generate VRDB Now’ every two weeks which is less than the default three weeks.

This I find is a more predictable option and it takes a few minutes because it is not always stopping and starting.