[Zope] Zope performing poorly after adding objects to BTreeFolder - More info

[complaw@hal-pc.org]

I have been running top and have the following observations.

If you start Zope and just let it run, it does so quietly at about 8% of 
memory.  If you ask it to do something, it splits into two processes (or at 
least two PID's) with roughtly the same memory usage (which, if you add the 
two, is over 100%).  The box slows to a crawl, and I have to restart Zope to 
clear it all up.  I'm using Zope 2-4-3 on Linux.

Ron

> I don't know if this is related specifically to BTreeFolder, or cataloging, 
but 
> this is the problem...
> 
> I added a BTreeFolder to a regular folder.  I then added 13,115 DTML 
Documents 
> to the BTreeFolder.  I had added a ZCatalog and got it going, but the 
> performance hit from the ZCatalog made me think twice about it so I deleted 
it.
> 
> Unfortunately, some python process (related to Zope) starts running on my 
> machine when I access the 13,115 records (if nothing more than to list them). 
 
> I can watch the python process start eating memory (Zope normally uses about 
8% 
> on that system, but when the runaway process is going, it moves up 
> incrementally to around 80% of memory according to top).  I have to restart 
> Zope to cure the problem.  Unfortunately, I have to do this on a regular 
basis 
> and it is becoming quite a headache.
> 
> Does anyone know what the problem might be?
> 
> Thanks in advance,
> 
> Ron
> 
> 
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