Sebastian, > Before inventing a hyper tool, we might consider to provide 3-5 example > szenarios for common hardware configurations. This consumes less time > and be discussed and defined in a couple of days. This is of course not > the correct option for a brandnew 20 spindle Sata 10.000 Raid 10 system > but these are probably not the target for default configurations. That's been suggested a number of times, but some GUCs are really tied to the *exact* amount of RAM you have available. So I've never seen how "example configurations" could help. -- Josh Berkus PostgreSQL @ Sun San Francisco