Re: 64bits or 32 bits on ESX?

2010/1/21 Bjørn T Johansen <btj(at)havleik(dot)no>:
> 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
the size of the machine, go with the 64-bit one from the beginning,
because changing from 32 to 64 bit requires dump/reload.

--
Magnus Hagander
Me: http://www.hagander.net/
Work: http://www.redpill-linpro.com/