On Nov 4, 2008, at 12:12 PM, Benji York wrote: > On Tue, Nov 4, 2008 at 12:01 PM, Jim Fulton <[EMAIL PROTECTED]> wrote: >> >> A few months back, there was a lot of discussion here about BTree >> performance. I got a sense that maximum BTree-node and bucket sizes >> should be increased. Does anyone have recommendations for new sizes? > > It'd be cool if the bucket size could be dynamic (say governed by an > attribute on the BTree), but I suspect that is dramatically out of > scope > for what you were planning on doing.
I have a list of projects I might try to do for 3.9. One would be to make BTrees subclassable and to modify BTrees to get these limits from class attributes. But whether I get to this or not, if there are more sensible defaults, it would make sense to use them. Jim -- Jim Fulton Zope Corporation _______________________________________________ For more information about ZODB, see the ZODB Wiki: http://www.zope.org/Wikis/ZODB/ ZODB-Dev mailing list - ZODB-Dev@zope.org http://mail.zope.org/mailman/listinfo/zodb-dev