gstripe performance scaling with many disks

R. B. Riddick arne_woerner at yahoo.com
Fri Dec 29 04:55:56 PST 2006


--- Vasil Dimov <vd at FreeBSD.org> wrote:
> Here is what further tests showed:
> 
> First of all I switched from dd to raidtest. I had to tune raidtest in
> order to use it, see ports/107311. I am testing only reading with 8
> concurrent processes (raidtest test -n 8).
>
Interesting...
But the degradation is much less now... Not 25% (or what was it) but just
10%...

Did u try a different stripe size (-s 65536) with more concurrency (-n 20),
too?

-Arne


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