[ZODB-Dev] URGENT: ZODB down - Important Software Application at CERN
Chris Withers
chris at simplistix.co.uk
Tue May 26 18:31:16 EDT 2009
Laurence Rowe wrote:
> Jim Fulton wrote:
>> Well said. A feature I'd like to add is the ability to have persistent
>> objects that don't get their own database records, so that you can get
>> the benefit of having them track their changes without incuring the
>> expense of a separate database object.
>
> +lots
>
> Hanno Schlichting recently posted a nice graph showing the persistent
> structure of a Plone Page object and it's 9 (!) sub-objects.
> http://blog.hannosch.eu/2009/05/visualizing-persistent-structure-of.html
That graph isn't quite correct ;-)
workflow_history has DateTime objects in it, and I think they get their
own pickle.
I had a major win on one CMFWorkflow project by changing the workflow
implementation to use a better data structure *and* store ints instead
of DateTime object. CMF should change this...
Chris
--
Simplistix - Content Management, Zope & Python Consulting
- http://www.simplistix.co.uk
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