On Vie 21 Jun 2002 20:32, Greg A. Woods wrote: > [ On Friday, June 21, 2002 at 18:00:19 (-0300), Martín Marqués 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. :-) -- Porqué usar una base de datos relacional cualquiera, si podés usar PostgreSQL? ----------------------------------------------------------------- Martín Marqués | [EMAIL PROTECTED] Programador, Administrador, DBA | Centro de Telematica Universidad Nacional del Litoral -----------------------------------------------------------------