Re: [Zope-dev] Re: Conflict errors on BDBMinimal storage

2004-05-19 Thread Dario Lopez-Kästen
Tres Seaver wrote: I recently reworked Anthony Baxter's SQLSessions product for a consulting customer ...snip... What I would like to do is revisit the effort, using the new PluginRegistry code released as part of the PluggableAuthService release; I am, however, pretty well booked up for the

[Zope-dev] Re: Conflict errors on BDBMinimal storage

2004-05-19 Thread Tres Seaver
Dario Lopez-Ksten wrote: Tres Seaver wrote: I recently reworked Anthony Baxter's SQLSessions product for a consulting customer ...snip... What I would like to do is revisit the effort, using the new PluginRegistry code released as part of the PluggableAuthService release; I am, however,

[Zope-dev] Re: Conflict errors on BDBMinimal storage

2004-05-18 Thread Tres Seaver
Chris McDonough wrote: 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

Re: [Zope-dev] Re: Conflict errors on BDBMinimal storage

2004-05-18 Thread Chris McDonough
On Tue, 2004-05-18 at 14:15, Tres Seaver wrote: I recently reworked Anthony Baxter's SQLSessions product for a consulting customer, essentially modernizing the code and making it compliant with the new Sessions interface (I dropped the bits which do the work currently done by

Re: [Zope-dev] Re: Conflict errors on BDBMinimal storage

2004-05-18 Thread robert rottermann
Chris McDonough wrote: On Tue, 2004-05-18 at 14:15, Tres Seaver wrote: I recently reworked Anthony Baxter's SQLSessions product for a consulting customer, essentially modernizing the code and making it compliant with the new Sessions interface (I dropped the bits which do the work currently

Re: [Zope-dev] Re: Conflict errors on BDBMinimal storage

2004-05-18 Thread Chris McDonough
On Tue, 2004-05-18 at 14:58, Chris McDonough wrote: On Tue, 2004-05-18 at 14:15, Tres Seaver wrote: I recently reworked Anthony Baxter's SQLSessions product for a consulting customer, essentially modernizing the code and making it compliant with the new Sessions interface (I dropped the

Re: [Zope-dev] Re: Conflict errors on BDBMinimal storage

2004-05-18 Thread Tres Seaver
robert rottermann wrote: On Tue, 2004-05-18 at 14:15, Tres Seaver wrote: I recently reworked Anthony Baxter's SQLSessions product for a consulting customer, essentially modernizing the code and making it compliant with the new Sessions interface (I dropped the bits which do the work

Re: [Zope-dev] Re: Conflict errors on BDBMinimal storage

2004-05-18 Thread Michael Dunstan
On 19/05/2004, at 8:36 AM, Chris McDonough wrote: As a result, I am coming to believe that along with the errors as part of main transaction patch for 2.7.1, I should also make the retry-on-conflict-error policy pluggable for those who really desperately need to slow their Zope systems to a

Re: [Zope-dev] Re: Conflict errors on BDBMinimal storage

2004-05-18 Thread Chris McDonough
On Tue, 2004-05-18 at 16:36, Chris McDonough wrote: In my testing, I'm able to see that naive sessioning applications (ones that hit the session on every request, whether they really need to or not) seem to fail down due to the abort after 3 conflicts in a row hardcoded policy under extremely