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From Joe Baldwin <>
Subject Re: ORM Comparison
Date Thu, 09 Aug 2007 21:23:49 GMT

> Hm...  I recently wrote an app that involved processing large  
> numbers of rows
> (to the tune of about 250,000 currently, and sure to increase  
> rapidly).
> Granted, I had to code a little more carefully... create "throw  
> away" data contexts
> for some operations, etc. But the app runs quite nicely with cayenne.
> What performance issues did you encounter?

Didn't I just recently read a post in which Andrus commented that the  
original architecture assumed that persistence objects would *not* be  
released until the DataContext is destroyed and garbage collected.  I  
*believe* the new version allows more control over the atomic release  
of data objects, if I recall.

Could this have any influence on the performance issues that were  


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