In article <6dl744$g1u$1@news.xmission.com>, webster@bom-co.in.DHL.COM
says...
>
> >From : x>carlson1@bellsouth.net
> To : informix-list@iiug.org
> Subject : Re: ONLINE SLOW on HP-9000!
> Date : 05/03/98 04:05
>
>
> Cecilio wrote:
> >
> > Hi!
> > I'm working with:
> > - HP-9000 817, 64MB RAM, HP-UX 10.20
> > - Informix ONLINE 7.14
> > - 4GL RDS Application
> > - My Database has 200 tables, but only 3 or 4 of them containing more
> > than 100,000 rows.
> > - 16 simultaneous users.
> >
> > I think it would work well, but the performance is LOW!!!
> > I've tested different changes in the ONCONFIG file without good results.
> > I don't know which is the problem:
> > - Incorrect HP-UX configuration ?
> > - Little memory? (I don't think so)
> > - Incorrect ONCONFIG configuration ?
>
> Well I think you are facing this problem because the memory of your machine
> is less. On an average HP-UX O/S 10.20 uses about 18-20MB of RAM. Also
> if Informix is running on the machine, each user is assigned about 3MB of
> RAM. And as you say that you have 16 simultaneous users working on the
> machine which totals to 20 MB+(3Mb*16users) = 68MB. Also for process that
> are initiated in the background memory is used.
>
> >
> > Which are the main things about performance?
> >
> > Someone can help me?
> >
> > Thanks.
>
> Webster D'Souza
>
You should follow a series of steps in tackling such performance problem.
What you should do FIRST is pin-pointing the bottleneck. Is it CPU,
memory, or I/O? In most cases, CPU is unlikely. So look out for memory
and I/O. Nail down the culprit and act accordingly.
Good luck!
LeeKB