Re: IDS Workgroup cpu limit

> -----Original Message----- > From: Art S. Kagel [mailto:kagel@bloomberg.net] > Posted At: Thursday, February 02, 2006 8:14 AM > Posted To: comp.databases.informix > Conversation: IDS Workgroup cpu limit > Subject: Re: IDS Workgroup cpu limit > > > Neil Truby wrote: > > A potential customer asked me a question which I think > raises a number of > > interesting points, and I'd like to see what others think. > > > > As you may know, the IDS 10 Workgroup Edition (WGE) > software has a check now > > so that when it starts up it checks the setting for > NUMCPUVPS and , if it> > exceeds 4, restricts the number of cpu vps started to 4. > > > > Given this, he wants to know if it is now legitimate to run > WGE on an 8-way > > box. Or even WGE and EE on the same box: > > > > " ... in principle would it not be possible to install & > run Enterprise > > Edition (EE) and WGE on the same 8 way box? The EE > instance would use the > > full 8 CPUs but WG would only use 4. The memory could be > apportioned > > appropriately....? > > You can certainly run WGE on an 8-way machine. The > restriction is on the > number of CPUS dedicated to CPU VPs at any one time - that is > controlled by > NUMCPUVPS and WGE forces the value to effectively be <= 4. > You can also > safely install both EE and WGE on the same box, just in > different directories. > > Art S. Kagel > > > I'm pretty sure the technical answer is yes but the > contractual answer must > > be "No". But it set me wondering how valid is the > restriction of NUMCPUVPS > > is as a way of enforcing a physical cpu limit. You'd still > get much better > > performance on an 8-way box with NUMCPUVPS=4 than on a > 4-way box (if > > processor affinity was not set). And actually many > respected posters on > > this board - and Obnoxio The Clown I think - suggest > setting NUMCPUVPS > > > number of physical cpus, which obviously you would be > precluded from doing > > in WGE now. > > > > Any thoughts? The restriction I don't like is 'can not use on a web application' Paul Watson Tel: +44 1414161772 Mob: +44 7818003457 GO FURTHER with DB2 GET THERE FASTER with Informix. Attend the IDUG 2006 North America Conference. Tampa, Florida, USA. 7-11 May 2006. Visit http://www.iiug.org/conf for more information.