Hi Dr. Wagner, > thanks for the hint with minimal storage. however the same problem > occurs with filestorage and is even worse. > > we know very well, that we cannot avoid the appearance of conflict > errors in particular with zeo, and we understand what causes them. > > what wonders us is, that we find some contributions about this errors in > the mailing lists, but no one seems to have a real problem with it. but > we have! we are not worried about some errors appearing in a log, but we > are using plone2 witch currently 30 concurrent authenticated users, so > that this error occurs permanently, thus decreasing system performance > due to several retries and moreover leading to very frequent nasty > 'POS.Exception Errors' in the browser, whenever four successive tries > fail (almost every 100. request). > > this is not acceptable, and i wonder wheter there are any plone sites > with more than a handful of authenticated users that experience the same > problem. we found that one (there are more) product responsible for it > is the placeless translation service, which heavily writes to the session.
Are you using ZEO for your session storage or are you using a local storage? (You hint at it above but you don't actually say one way or the other.) > so we desperately need a solution for this problem, maybe uncouple the > session of the locking mechanism or whatever, and this should be a > problem that should be addressed by the core team. because this is a > strong reason (and so far the only one) to avoid using zope/plone in a > large user environment. I also need reliable sessioning for my own customers, so I am working towards fixing the issues I know about. But the issues I know about may not be the same issues as those that you want fixed. You can ensure your issues are addressed by devoting resources towards the problem, be that time+expertise or money or both. - C _______________________________________________ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )