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vinum performance

On Wed, 2 Apr 2003, Greg 'groggy' Lehey wrote:

> > I've done some rawio benchmarks with different process counts (1, 2, 4, 8,
> > 16, 32 and 64). The results are at
> > <http://mailbox.univie.ac.at/~le/rawio.html>.
> How does this compare to the raw disk?

Oops, sorry, I've forgotten to include them on the page. They are on there

Raw disk performance is indeed worse than RAID0/RAID5. Also interesting is
that the sequential read performance drops significantly in all cases when
going from 8 to 16 processes. Probably the bus is filled up then.

best regards,

Lukas Ertl                             eMail: l_(_dot_)_ertl_(_at_)_univie_(_dot_)_ac_(_dot_)_at
UNIX-Systemadministrator               Tel.:  (+43 1) 4277-14073
Zentraler Informatikdienst (ZID)       Fax.:  (+43 1) 4277-9140
der Universit?t Wien                   http://mailbox.univie.ac.at/~le/