[Zope3-Users] ZODB conflict for session data container

2008-03-20 Thread Yuan HOng
Hi, list I have newly migrated an Zope2 application to Zope3 and added session support to it. When I stress test the application with 'ab -c 20', I found lots of database conflict errors, like the following: 2008-03-20T13:44:24 WARNING ZopePublication Competing writes/reads at

Re: [Zope3-Users] ZODB conflict for session data container

2008-03-20 Thread Bernd Dorn
On 20.03.2008, at 07:07, Yuan HOng wrote: Now comes the part that I can not understand. This simultaneous adding to the BTree seem to cause the conflict error, since the BTree and Bucket are also persistent object themselves. This would mean that ZODB is not suitable for the cases of

[Zope3-Users] Support for components and interfaces in Python 2.5

2008-03-20 Thread Nate Lowrie
Long time python programmer. New to Zope. I want to use Zope 3's component and interface libraries for a plugin system for a rather complex Accounting/ERP program I am developing. I was extremely dismayed when I found absolutely no support for Python 2.5. What is going on? Python 2.5 has been

Re: [Zope3-Users] Support for components and interfaces in Python 2.5

2008-03-20 Thread Benji York
Nate Lowrie wrote: Long time python programmer. New to Zope. I want to use Zope 3's component and interface libraries for a plugin system for a rather complex Accounting/ERP program I am developing. I was extremely dismayed when I found absolutely no support for Python 2.5. You're

Re: [Zope3-Users] Support for components and interfaces in Python 2.5

2008-03-20 Thread Nate Lowrie
On Thu, Mar 20, 2008 at 2:35 PM, Benji York [EMAIL PROTECTED] wrote: Nate Lowrie wrote: Long time python programmer. New to Zope. I want to use Zope 3's component and interface libraries for a plugin system for a rather complex Accounting/ERP program I am developing. I was extremely