memory process use is 10M is that normal?mlml

I am using Dedicated Server process as oppose to MTS. so on in HPUX10.20 , ORACle 7.3.4
each user connection creates a process like : oracleSIDNAME

using 'top' this process takes up 10M of memory! (maybe i am interpreting this number wrongly)

We have many users, e.g. 100 so, they all take up 100*10M=1000M=1G memory.

This is creating 'out of mem' errors.

My qustion is:
Is that normal?
What do i do to reduce this 10M per process mem usage?

cheers
Mike
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