My only compatibly issue was getting the VPN tunnel that my job uses to 
work in 64 bit.
Juniper network-connect software on Ubuntu not sure what version, but it 
was around 2011. My advice is to do a 64 bit install and then do a tests 
with your personal list of high priority software.

On 5/31/13 9:28 AM, keith smith wrote:
>
> Hi,
>
> Even though I have 64bit hardware I always install the 32bit version 
> of Linux.  I do so because of the past discussions on this list that 
> made me believe the 32bit OS was better because 64bit caching is 
> actually slower due to the requirement that the cache be filled to a 
> certain point before it is moved.  I think I recall something about 
> the amount of RAM having some effect here also.
>
> Using a 32bit version over a 64bit version seems counter intuitive, 
> however that is what I have taken away from these conversations about 
> 32bit vs 64bit Linux.
>
> I'm using CentOS 6.x on a LAMP server that gets a low amount of 
> traffic.   However I may make the jump to Linux on my desktop this 
> summer. (this will be my 3rd attempt to become M$ free except one VM 
> so I can use IE for testing) I think all of my hardware is 64bit.
>
> So that begs the question, is 32bit better than 64bit or do I not 
> understand the issue?
>
> Thank you for your feedback.
>
> Keith
>
> ------------------------
> Keith Smith
>
>
>
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