Re: HOW MANY CONCURRENT USERS-SUPPORT SINGLE A UNIX BOX

In article <35FD00D7.D0A3E0EA_at_UNIXFOR.ATH.FORTHNET.GR>,   no_at_unixfor.ath.forthnet.gr wrote:
> Hello,
>
> We wonder if anyone can help us.
>
> 1) In general, how many concurrent users is feasible to support a
> single Unix machine with 3 CPUs, 2 GB RAM, 100 GB HD, Oracle 7.3.X and
> Forms4.5 character mode running an invoicing application?

if the forms program is running on a client, then the server can accommodate a couple of hundred users (depending on applications). The key is how the software is written, use of multi-threaded server, etc.

I believe the figure is 500KB per user per client PGA. If so, then 500MB of memory would equate to 1K users.

>
> 2) What would be a typical number of concurrent users that will make
> feasible to go for a classic 3-tier model using a TP Monitor? ( for the
> scenario described in the previous question)
>

depends on the application.
> 3) Does anybody can help us to contact or describe the system
> configuration of some companies with the following profile.
> * Retail bussiness.
> * Oracle database version 7.X.X
> * More than 400 (four hundrend) concurrent users running forms 4.5.x
> in Unix character mode invoicing applications
> What we want to know is
> 3a) Do they Use a TP Monitor ?
> 3b) What is the system configuration (OS, CPUs, RAM, Disks, etc )
>

sorry not our area.

> If you need further details please contact us by e-mail
> necon_at_unixfor.ath.forthnet.gr
>
> Best Regards
>
> Nicolas Economou
>
>

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