On Dec 7, 2009, at 11:08 AM, Erik Dahl wrote:

...

> Our slow loading object was a persistent with a regular list inside of  
> the main pickle.  Objects that the list pointed to were persistent  
> which I believe means that hey will load separately.  In general we  
> have tried to make our persistent objects reasonably large to lower  
> the amount of load round trips.  I haven't actually checked its size  
> yet but it will be interesting to see.

Even if the list holds just persistent objects, if there are a lot of them, 
just loading the references can still be a big problem.  That would point to 
refactoring that part of the app, and/or investigating if the characteristics 
of things like zc.queue or zc.blist would help.

Gary
_______________________________________________
For more information about ZODB, see the ZODB Wiki:
http://www.zope.org/Wikis/ZODB/

ZODB-Dev mailing list  -  ZODB-Dev@zope.org
https://mail.zope.org/mailman/listinfo/zodb-dev

Reply via email to