64bits or 32 bits on ESX?

We are going to be setting up a PostgreSQL server on a guest under VMWare ESX 4... Is there any performance improvement
bychoosing 64bits Linux over 
32bits Linux as the guest OS or is it almost the same?


Regards,

BTJ

--
-----------------------------------------------------------------------------------------------
Bjørn T Johansen

btj@havleik.no
-----------------------------------------------------------------------------------------------
Someone wrote:
"I understand that if you play a Windows CD backwards you hear strange Satanic messages"
To which someone replied:
"It's even worse than that; play it forwards and it installs Windows"
-----------------------------------------------------------------------------------------------