[Nitro]
> ...
> I wonder if _commit is really *that* slow
Six years ago I timed factor-of-100 speed differences due to using MS
_commit() on WinXP at the time:
https://mail.zope.org/pipermail/zodb-dev/2004-July/007720.html
> or if there's another (faster) function which can be called...
No MS function that does the same thing.