Hyperthreading/Dual core CPU's

Ed Wilts ewilts at ewilts.org
Fri Nov 11 16:57:47 UTC 2005


On Fri, Nov 11, 2005 at 09:55:45AM -0600, Rhugga Harper wrote:
> I would disable hyper-threading. We have 24k+ hosts (Mostly 2650's and
> 2850's) and saw nothing but problems with hyperthreading on nearly every
> distro: RH AS 2.1, 3 and SLES 9. In many cases it actually inhibited
> performance. 

I suggest you retest with RHEL 4 which has enhancements for
hyperthreaded cpus. You may find yourself with a free performance boost. 

-- 
Ed Wilts, RHCE
Mounds View, MN, USA
mailto:ewilts at ewilts.org
Member #1, Red Hat Community Ambassador Program




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