... and if time is money you can also pay a consulting company a few hundred bucks to assess your hardware config and crank out a postgresql.conf that will run

... and if time is money you can also pay a consulting company a few hundred bucks to assess your hardware config and crank out a postgresql.conf that will run great. It's likely you'd have to do the same thing for DB2. An enterprise RDBMS is a huge decision, a platform a business is built on. At this point in time, chaining a business I'm part of to an expensive commercial database product which offers no substantive benefits and is subject to the whims of product VPs doesn't seem like the best business decision.