[geeks] 64-bit apps vs. 32-bit apps

[Ido Dubrawsky]

I.m in the process of building a new mailserver (Solaris 10, Ultra 10 300MHz , 
512MB memory) to replace my old server (an Ultra 1 170MHz) for the house and I 
noticed that while the Solaris kernel is 64-bit, almost all of the binaries in 
the OS are 32-bit.  I've just finished building OpenSSH as a 64-bit app (to 
replace the Sun SSH) just for kicks and I'm now working on building BIND 9.3.3. 
Can anyone out there answer whether it's better to use a 32-bit app on a 64-bit 
machine or a 64-bit app?  I've read an article that said that MySQL performance 
as a 64-bit app is actually worse than the 32-bit version.  Any thoughts?

Ido
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Ido Dubrawsky, CISSP           		E-mail:          ido at dubrawsky.org
Network Security Architect			   idubraws at siliconsec.com
dubrawsky.org
500 Hermleigh Rd
Silver Spring, MD. 20902
(301) 651-5441 (cell)
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