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
> 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.
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