Re: reaim - 2.6.3-mm1 IO performance down.

[Nick Piggin]

Con Kolivas wrote:

> > Running the reaim 'new_fserver' workload, we now see a performance drop on
> > 2.6.3-mm1, ext3 filesystem
>
> I observed a serious slowdown on non numa, non smt machines with kernbench and
> the scheduler changes (posted results a week ago here:
> http://marc.theaimsgroup.com/?l=linux-kernel&m=107719112225482&w=2 )
>
> A summary of those results is half job load (-j4 on 8x):
> 2.6.3: Elapsed Time 231.274
> 2.6.3-mm1: Elapsed Time 273.688
>
> The drop in reaim performance is possibly related.

I have been meaning to look at that. The STP wasn't working
for me for a couple of days, but Cliff fixed that so I'll get
on it.

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