We have some BTreeFolder2's containing hundreds of thousands of objects, even 
one containing over 2 million instances of Folder. That is really no problem in 

Under our setup, beyond 300-400,000 contained objects, the batching provided by 
getBatchObjectListing becomes unusable. I've seen this problem mentioned 
somewhere but never any hint of a solution.

We have a new application that will require pagination, or ideally, the ability 
to go forward and back through the items (any order). Is there a way to refer 
to the contained items by something like offset? It might be easy if the 
objects had sequential, consecutive numeric ids, but sadly this cannot be the 

We are using the BTreeFolder2-1.0.2 version that came with Zope 2.10.



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