On Vie 21 Jun 2002 20:32, Greg A. Woods wrote:
> [ On Friday, June 21, 2002 at 18:00:19 (-0300), Mart�n Marqu�s wrote: ]
>
> >
> > Other UNIX? If you could rely on it, why does Informix (and other
> > database servers, but this is the one I used) still use it's own FS to
> > write the database files?
>
> Because there are tremendous performance advantages to using RAW I/O if
> you're prepared to go to the trouble of dealing with all the niggling
> details....
>
> (some of these advantages are supposedly less visible on modern hardware
> and modern systems, but they sure as heck were plainly visible even a
> few years ago)
You sure are right about this. That's why some comercial databases are
changing to OS read/write instead of doing raw read/writes. :-)
--
Porqu� usar una base de datos relacional cualquiera,
si pod�s usar PostgreSQL?
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Mart�n Marqu�s | [EMAIL PROTECTED]
Programador, Administrador, DBA | Centro de Telematica
Universidad Nacional
del Litoral
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