[Zope] performance issues

[John Doe]

Hi,

I'm running a Zope-application (2.5.1, Python 2.1.3)
on a dual processor (1 GB mem) Redhat 7.3 machine.
User-authentication is done by the
exUserFolder-product (on Postgresql 7.2.1). An
apache-server runs in front of the Zope server.

Now for the problem/questions. 
Problem: unacceptable performance with 200
requests/sec. 
Questions: 
- which steps can be taken to improve performance ? 
for the moment 6 child processes are running which
each use 60 MB of memory (?isn't this alot) ;
increasing the number of threads will probably help,
but if each thread will probably use 60 MB
- how good is the smp-support of Zope (Python) ?
 

Thx in advance,
ronny.

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