[Zope] Transaction sizes

Hi all, I have a few forms that really work intermitently. They are quite large in processing, accessing several thousand occurences in several tables, several times. Wont go into details, but its a resource hog. Alot of times the page eventually returns a No data error. This causes me to wonder if there are some kind of restraints on Zope in terms of its job size. Are there any tweaks to zope that I can fix this, or is it directly related to the resources of the server? Anyone with an idea? TIA, -- Paz Oratrix Development BV http://www.oratrix.com GRiNS SMIL Editor -