[ZODB-Dev] URGENT: ZODB down - Important Software Application at CERN

[Laurence Rowe]

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

A sub-persitent type would allow us to fix the latency problems we 
experience without needing to re-engineer Archetypes at the same time.

Laurence