I want to cache a lot of objects of the same type (currently 250,000, probably 
approaching a million in a year or two). As I understand the way treecache 
works, if there are any changes on a given node, the entire contents of the 
node are replicated. If that's true, I probably need to distribute my objects 
around the tree so that smaller batches are replicated with every update.

So I was thinking about using the key of each object to contruct a more unique 
cache region. Say if the object's key was "seattle", I'd store it in the cache 
region /s/e/a/t or /s/e/a/t/t/l/e or something.

The question: With TreeCache, is it more efficient to have a really deep tree 
with very few objects on each node, or a flatter tree with more objects on each 
node,  and what are the tradeoffs?

M.

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