Subject: Re: buffer priority [Re: unified buffers and responsibility]
To: Thor Lancelot Simon <tls@rek.tjls.com>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: tech-kern
Date: 06/13/2002 17:09:28
On Wed, Jun 12, 2002 at 09:55:35PM -0400, Thor Lancelot Simon wrote:
> On Thu, Jun 13, 2002 at 12:42:57AM +0200, Manuel Bouyer wrote:
> >
> > The second problem is I/O priority: buffers of a large, batch I/O have
> > the same priority as a one-buffer I/O on which a process is blocked.
> > This also kills interractive performances (and the disksort() routines
> > probably make this even worse).
>
> There's an SGI white paper on the dual-queue method they use to minimize
> this problem in Irix. I think I sent a link for it to this list at one
> point in the past.
I couldn't find it ...
Do you remember the title of the paper ?
--
Manuel Bouyer, LIP6, Universite Paris VI. Manuel.Bouyer@lip6.fr
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