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.

Thor