> One more thing, is that the default buffer cache size on FreeBSD is about
> twice that of NetBSD -- and that means that there can be more dirty blocks.
> At least the size of the dirty buffer memory is limited -- some merged
> schemes might allow even more.  That can make 'sync' time much worse
> under certain circumstances.

Jeff Mogul had a paper about the benefits of 'sync'ing incremental a
couple of usenixes ago.  As i recall, it was a very good paper.

I forget the conference and title (most of my proceedings are in my
office), but i can dig the info up if people want it.


chris