On Wed, Apr 14, 2010 at 11:15 AM, Kevin Grittner <kevin.gritt...@wicourts.gov> wrote: > Robert Haas <robertmh...@gmail.com> wrote: > >> I think this advice is badly outdated. > > Yeah. > >> s/tens/hundreds/ might be a good idea at a minimum, > > +1 > >> but I'm thinking we might want to also mention the >> one-quarter-of-system-memory heuristic. > > Given how many people seem to find that a good guideline, it seems > like we should. I wonder if we should add any hints telling people > what they might see as problems if they are too far one way or the > other. (Or does that go beyond the scope of what makes sense in > TFM?)
No, I think that would be reasonable provided someone can come up with some appropriate wording. My understanding is that if you have a really small system then you might need >25% and if you have a really big system you might need <25%, but I'm not sure where the edges are. ...Robert -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
