Skip Montanaro <s...@pobox.com> added the comment: Hopefully I'm not picking at a scab here. I updated the dbm.sqlite module in the sandbox. It now orders by rowid instead of by key. (I saw no performance penalty for the small table sizes I was using to ordering. I switched from ordering by key to ordering by rowid based on Gerhard's comment.
I got a big performance boost on writes by only committing once every 100 calls to __setitem__. I still commit when deleting keys and explicitly commit when closing. The main performance bottleneck now appears to be keys() and iterkeys(). I don't see how to make them any simpler. Oddly enough, it seems that iterkeys() is slower than keys(). Maybe it's just lack of sleep but I can't see why this is so. _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue3783> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
