Re: Informix and Oracle in the same shop
Posted in 1997
On Jun 4, 9:50am, Jonathan Leffler wrote: > Subject: Re: Informix and Oracle in the same shop > > < snipped > > though I think it is available with a few versions of Unix. o Sun Solaris o SGI IRIX 6.2 o HPUX o (I believe) Linux dunno about DEC... > NT, on the other hand, does support this sort of threading, AFAIK. It does as well as OS/2. > > To have multiple threads of a single process on multiple CPUs > concurrently requires an extra level of operating system support. Def! > I don't know of a version of Unix > which does (though there are probably some experimental versions around, > and I may not know enough about the market). None of the above O/S listed are experimental. > >That's the type of threading I'm talking about. > > OK. Ideally, on platforms where that threading is possible, it should > be used. > > However, because 90% or more of the machines out there running Unix do > not support that sort of threading, 90%? How about some data points to support this assertion? > [ informix stuff deleted ] I'm holding Informix Inc. accountable for saying that it's multithreaded. It's not. Well, not in the community of user threads. > > Don't believe the (vendor) hype. > > ... Or the 'academic hype' for what is theoretically possible against > the pragmatics of the market place! Pragmatics != misleading the public. The Informix Online engine is not multithreaded. It's some bastardization of threading. It's a nice concept but it still incurs overhead. Multithreaded applications are production now, there's nothing experimental about 'em. Perhaps you should consider reading comp.programming.threads for more info... -- Pablo Sanchez | Ph # (415) 933.3812 Fax # (415) 933.2821 pablo@sgi.com | Pg # (800) 930.5635 -or- pablo_p@corp.sgi.com =============================================================================== I am accountable for my actions. http://reality.sgi.com/pablo [ /Sybase_FAQ ]