Re: 2.6.0-test8/test9 io scheduler needs tuning?

[Dave Olien]

Yes, it seems Nick's latest patch from 10/27, has helped reaim
considerably.

The dbt2 workload still has a problem though.  Mary ran this patch today,
with deadline and with as-iosched:

2.6.0-test9, elevator=deadline			1644 NOTPM 
2.6.0-test9, unpatched as-iosched		 977 NOTPM
2.6.0-test9, as-iosched with as-fix.patch	 980 NOTPM

Higher NOTPM numbers are better.

On Tue, Oct 28, 2003 at 09:26:12AM -0800, cliff white wrote:
> > cliff white wrote:
> 
> So far, looks quite good. ( i know 2.4.18 is wierd for some, but they were
> hot off the stp, so i used 'em )
> 
> 4-cpu
> STP id Kernel Name         MaxJPM      Change  Options
> 282391 linux-2.4.18        5250.23     0.00	
> 282413 Nick's patch	   5484.95     4.27   elevator=deadline
> 282413 Nick's patch        5416.51     3.06
> 
> 282395 linux-2.4.18        6581.17     0.0
> 282415 Nick's patch        8293.95     20.6
> 282415 Nick's patch        8484.95     22.43 elevator=deadline
> 
> And, the graph is nice and flat!
> http://khack.osdl.org/stp/282416/results/jpm.png
> 
> Full results: http://developer.osdl.org/cliffw/reaim/index.html
> 
> Any test detail: http://khack.osdl.org/stp/<STP id>
> 
> cliffw
> 
> > 
> 
> 
> -- 
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