Subject: Re: UBC status
To: Neil A. Carson <>
From: Chuck Silvers <>
List: tech-kern
Date: 09/25/1999 06:49:49
On Fri, Sep 24, 1999 at 10:33:29PM -0700, Neil A. Carson wrote:
> matthew green wrote:
> > 
> >    - add limits on how much of physmem is used for cached file data?
> > 
> > there should definately be limits on this...
> If the system works properly and the page eviction and growth management
> policies are correct, there should be absolutely no need for this.
> Possibly the main thing worth limiting in this respect is the amount of
> _dirty_ data,b ut if you then become extremely clever you can get by
> without this too.

yea, I'm not very excited about a limit on cached file data either,
but many people have talked about such a thing so I listed it tentatively.
I was including limiting dirty pages under "pagedaemon optimizations"...
could you elaborate on the extremely clever ways this could be avoided?