vinum performance

[l.ertl at univie.ac.at (Lukas Ertl)]

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
now.

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,
le

-- 
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/