Subject: Re: Do some disk accesses miss the UVM?
To: <>
From: David Laight <>
List: tech-kern
Date: 01/25/2002 00:58:42
> 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

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.