Re: 64bits or 32 bits on ESX? - Mailing list pgsql-general

From A. Kretschmer
Subject Re: 64bits or 32 bits on ESX?
Date
Msg-id 20100121114547.GJ10401@a-kretschmer.de
Whole thread Raw
In response to Re: 64bits or 32 bits on ESX?  (Magnus Hagander <magnus@hagander.net>)
Responses Re: 64bits or 32 bits on ESX?  (Magnus Hagander <magnus@hagander.net>)
List pgsql-general
In response to Magnus Hagander :
> 2010/1/21 Bjørn T Johansen <btj@havleik.no>:
> > We are going to be setting up a PostgreSQL server on a guest under VMWare ESX 4... Is there any performance
improvementby 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?


Andreas
--
Andreas Kretschmer
Kontakt:  Heynitz: 035242/47150,   D1: 0160/7141639 (mehr: -> Header)
GnuPG: 0x31720C99, 1006 CCB4 A326 1D42 6431  2EB0 389D 1DC2 3172 0C99

pgsql-general by date:

Previous
From: Bjørn T Johansen
Date:
Subject: Re: 64bits or 32 bits on ESX?
Next
From: Magnus Hagander
Date:
Subject: Re: 64bits or 32 bits on ESX?