Re: TCP Listeners: Preferences?
Posted in 2007
Topics: Performance & Tuning, Server Administration, Networking & sqlhosts Configuration
> -----Original Message----- > From: Keith Simmons [mailto:smiley73@googlemail.com] > Posted At: 04 April 2007 10:37 > Posted To: comp.databases.informix > Conversation: TCP Listeners: Preferences? > Subject: Re: TCP Listeners: Preferences? > > > On 04/04/07, Tom Girsch <tgirsch@nospam.gmail.com> wrote: > > Hello, all. We're in the process of setting up several new IDS 10 > > servers which will run TCP/IP listeners (onsoctcp on AIX) > _only_. In > > the past, we've set up shared memory (onipcshm) poll > threads to run on > > CPU VPs, with the TCP/IP poll threads running on NET VPs. > Since the > > new servers are running TCP exclusively, with no SHM at all, we're > > toying with the idea of running the TCP listeners on the > CPU VPs. But > > a zillion versions ago (probably 9.21 or maybe even 7.32), > doing this > > caused problems. > > > > Does anyone have any strong preferences one way or the > other? Pros? Cons? > > > > Any feedback is appreciated. > > > > Thanks, > > > > - Tom Girsch > > Hilton Hotels > > _______________________________________________ > > Informix-list mailing list > > Informix-list@iiug.org > > http://www.iiug.org/mailman/listinfo/informix-list > > > Tom > > TCP connections should always be run on NET VPs and SHM on > CPU. There are many threads on this from about 2002/3 > explaining exactly why and how performance will plummet if > you mix them up !! > Summarised at http://www.oninit.com/reference/index.php?page=vp.html Paul Watson Tel: +44 1414161772 +1 913-400-2620 Mob: +44 7818003457 +1 913-636-2858 Web: www.oninit.com Failure is not as frightening as regret. Attend IDUG 2007 San Jose, North America May 6-10, 2007 Visit http://www.iiug.org/conf for more information.
Paul Watson wrote: > Summarised at > > http://www.oninit.com/reference/index.php?page=vp.html > Thanks, but here in the States, we "summarize" things. :)