PAE or 64bit?

Josef Grosch jgrosch at
Wed Aug 20 22:33:51 UTC 2008

On Wed, Aug 20, 2008 at 06:04:27PM -0400, B. Cook wrote:
> hey all,
> Looking for opinions..
> We are going to be getting a server for drupal, running lighttpd and  
> php, as well as exim and SA with clamav, courier or dovecot, mysql  
> 51.. etc.
> Right now this setup does about 200G per month (we have two boxes) and  
> were looking at getting one box to do it all (business department  
> reasons) and assuming it would be doing double the work.. we would be  
> looking at a single box running 600GB max per month in traffic (about  
> 2Mb/sec)..
> We would be (hopefully) be going with sas drives instead of the sata  
> we have atm.  Not trying to make this a debate about hardware but..
> The question of at least 4G of ram came up.. and we starting debating  
> about PAE or just going with x64..
> we would not be using zfs, we would be running RELENG_7_0.
> again, looking for opinions on PAE vs x64 for this type of setup.
> Thanks in advance

In my experience, PAE is brittle and has limited driver support. I'm just
not a fan of it, I prefer 64 bit. In the long run 64 bit is the path of
least resistance but your mileage may vary.


Josef Grosch           | Another day closer to a | FreeBSD 6.3
jgrosch at |   Micro$oft free world  | Berkeley, Ca.
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