Hosting vanilla server and was 1 month map and also never bp only forced... 
Now will wipe every 2 weeks and wonder how can do it. If change seed inside start.bat will change map because no saved level will exist with this new seed. I think thats good solution but about blueprints?
Never had to wipe em last months and last time did it via RSM manager full version. Now use light one only for server update and i think i have to do all wipes with manual delete but i am not sure where folder is and if corrupt something other... :(