Some forms 10 use to much memory on the Midtier

Hi!
I've never used Oracle Forms before, but now have to administer them.
We use IBM p5+ AIX + OAS 10.1.2.0
Some forms sessions use about 300MB of virtual memory on the server. Imagine 25-30 such sessions on 8GB server and you'll understand that the problem is big.
We are supposed to run 150 users concurrently, but now able only about 50.
What is the best way to pinpoint memory hog?
Is there a way to limit memory used by forms session on the midtier?
Thanks in advance, Vlad.

That sounds potentially excessive. You should contact Oracle Customer Support and have them analyze the situation. One thing that I think you should check before you call Oracle Support: Is the application calling out to Reports? If so, are you using the default method? The default method uses Java and on AIX that will start up a JVm for each Forms process that calls out to Reports and hold on to that JVM for the duration of the session. There is a workaround for that and Support will tell you how to set that up if when you call.

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