HEADS UP: Major CAM performance regression
Luigi Rizzo
rizzo at iet.unipi.it
Mon Feb 16 23:51:40 PST 2009
On Sat, Feb 14, 2009 at 07:33:25AM -0700, Scott Long wrote:
...
> >I'll try your suggestion if you have one.
>
> I don't have a magic universal testing suite in my back pocket, sorry.
> You need to look at your expected workload and develop tests to simulate
> it. When I do testing during driver development, I try a lot of
> different parallel, sequential, large i/o, and small i/o combinations.
i just committed a port sysutils/fio that perhaps can help testing
IO performance with various patterns.
cheers
luigi
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