Yeah.. I came across pgtune but noticed that latest version dated 2009-10-29 http://pgfoundry.org/frs/?group_id=1000416 which is kind of outdated. Tar file has settings for pg 8.3. Is still relevant?
Yes, I'm sure it will not do anything bad to your config.
Apologies for leaping in a little late, but I note the version on Github has been updated much more recently:
