4.9 vs 5.2 with consideration of support for SMP, hyperthread, and 3ware

Chuck Swiger cswiger at mac.com
Sat Mar 6 19:13:38 PST 2004

Brent Wiese wrote:
> While this server will be used in production, it is understood by the client
> that we're not offering "5 nines" (due to the nature of the situation, not
> the o/s). With that being said, I'm not looking for the "run 4.9 because
> it's the latest stable branch".


> I also do not want to be on the bleeding edge as far as 5.2 would be
> concerned.


> I'd probably pick the latest production release and stick to that.

OK.  Only, I bet you're still going to ask questions about which release you 
actually should run, even though you've indicated that you're discounting the 
criteria normally used to make such a decision.

> I don't want to spend all my time cvsup'ing sources and buildworld'ing
> (especially given the probability I'll be duplicating this config another 3
> times).


> What I'm looking for is experience and/or opinion on 4.9/5.2 in regards to
> better support, speed (where applicable), and stability in regards to
> HyperThreading (it won't pain me to not use hyperthreading, but if I can,
> might as well), 3ware controllers, and SMP.

4.9 is better supported, particularly for someone not willing to update their 
sources and do your own builds.  4.9 is probably still faster than 5.x for 
most circumstances (certainly unless you disable WITNESS), and it is also more 


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