PAE tuning

Paul Lathrop plathrop at
Fri Oct 6 10:25:54 PDT 2006

Paul Lathrop wrote:
> Chuck Swiger wrote:
>> Oh, yes, one more thought-- your specific application, i.e. a large 
>> database, is one where running in 64-bit mode is highly likely to 
>> result in improved performance compared with running the OS in 32-bit 
>> mode.  If you've got a AMD64 or EM64T capable CPU, consider 
>> installing the 64-bit version of FreeBSD instead of the normal 32-bit 
>> x86 version.
>> ---Chuck
> Chuck,
> I've heard this idea a few times in answer to my question. Is there a 
> 64 bit Intel distro I'm missing? I saw someone suggesting I use the 
> AMD64 version, but when I attempt to boot that from the install disk I 
> get some debugging output and a message saying "BTX halted" - I 
> suspect that means I can't follow that suggestion...
> Thanks again for all your help!
I figured it out - this is an older Xeon processor apparently - 32 bit.

Sorry for the cluelessness - I'm a bit behind the times when it comes to 


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