On Thu, Jan 21, 2010 at 12:45, A. Kretschmer <andreas.kretschmer@xxxxxxxxxxxxxx> wrote: > In response to Magnus Hagander : >> 2010/1/21 Bjørn T Johansen <btj@xxxxxxxxxx>: >> > We are going to be setting up a PostgreSQL server on a guest under VMWare ESX 4... Is there any performance improvement by choosing 64bits Linux over >> > 32bits Linux as the guest OS or is it almost the same? >> >> How much resources do you plan to give the machine? >> >> If you're setting up a very constrained machine with little memory, go >> with the 32-bit version. It'll use slightly less memory which can be >> important if you're constrained. >> >> If you're setting up a medium size or bigger machine (2Gb+ memory), >> use a 64-bit version. If you plan you may eventually need to increase > > Really? With ONLY 2Gb? Why? What is the performance improvement, with > 64Bit all pointers and so on needs more memory so i'm expecting lesser > memory for the data. > > I'm wrong? While the theoretical limit is a bit higher, the fact that you have to reinstall once you've realized you wanted to add a little bit more memory.... More important to me at least :-) -- Magnus Hagander Me: http://www.hagander.net/ Work: http://www.redpill-linpro.com/ -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
