Re: CFQ IO scheduler patch series - AIM7 DBase results on a 16-way IA64

[Jens Axboe]

On Mon, Apr 30 2007, Alan D. Brunelle wrote:
> The results from a single run of an AIM7 DBase load on a 16-way ia64 box 
> (64GB RAM + 144 FC disks) showed a slight regression (~0.5%) by adding 
> in this patch. (Graph can be found at   
> http://free.linux.hp.com/~adb/cfq/cfq_dbase.png   ) It is only a single 
> set of runs, on a single platform, but it is something to keep an eye on 
> as the regression showed itself across the complete run.

Do you know if this regression is due to worse IO performance, or
increased system CPU usage?

-- 
Jens Axboe

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/