CPU Load, kernel, and hardware questions
chip at corelands.com
Sun Jan 8 21:30:53 UTC 2006
Maxim Mass wrote:
> First of all, big thanks to everyone contributing to this project --
> this is a truly cool idea and it's helping our site performance a hell
> of a lot.
> I'm currently running 10 3ghz Xeon machines with -- temporarily -- a gig
> of ram each on the 2.4 kernel. My concern is that I'm seeing an average
> of about 40% system cpu usage with only 2% usermode usage. Looking at
> the stats, each box is being hit at roughly 1100 get/set requests a
> second and reading about 71kb/s while writing 361kb/s. Would moving to
> 2.6 reduce cpu load? Turning off hyperthreading?
2.6 will reduce CPU load, assuming you have EPoll enabled correctly.
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