Hi, Dylan Neild schrieb:
> 1. We just installed a very large MySQL installation on a dual opteron > 2ghz system with 16GB of memory and it -flies-. That's pretty > subjective, so check: > > http://www6.tomshardware.com/cpu/20030422/opteron-17.html > http://www.infoworld.com/article/04/09/17/38FE64shootout2_1.html Thank you for the informative links. > 2. A 32-bit Linux distribution (ie, 32-bit kernel) is pretty much like > running an Athlon XP processor (save for the perfformance increases of > the Opteron chip). You don't get any 64-bit advantages. You definitely > need a 64-bit kernel and 64-bit libraries to take advantage of the > Opteron processor. > > That said, 64-bit kernels come with 32-bit libraries usually, so you > don't lose backwards compatibility, but simply gain 64-bit computing. > Also, generally, 64-bit binaries compiled specifically for the opteron > are faster than 32-bit code executed on the same opteron CPU. > > 64-bit Linux is pretty much everywhere. SuSE and RedHat ship a stable > 64-bit distribution, though Debian 3.1 works great as well (i > personally use Debian). Good to know. I was a little bit afraid to go with a 64 bit linux, 'cos at the local linux user group someone reported that Suse 9.2 64 Bit doesn't work with his EM64T system. But it's Suse and Intel, I'm a friend of AMD and Debian. > Hope it helps, It definitely does. Regards, A. -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
