"David Laight" <David@l8s.co.uk> writes:

> > have you increased the number of vnodes?  the default max vnode
> > calculation tends to limit UBC usage to a fairly small portion
> > of the total available RAM in my experience.
> 
> I whopped up the number of vnodes using sysctl - didn't seem to affect
> things.
> 
> I would have thought that the UBC remembered which disk blocks memeory
> held - so would have been independant of vnodes, but maybe someone
> implemented something different.

The handle that is used for "remembering" which memory pages map what data
is also called "vnode".

//art