On Mon, Mar 20, 2000 at 08:21:52PM +0100, Poul-Henning Kamp wrote:
> In message <[EMAIL PROTECTED]>, Alfred Perlstein writes:
>
> >Keeping the currect cluster code is a bad idea, if the drivers were
> >taught how to traverse the linked list in the buf struct rather
> >than just notice "a big buffer" we could avoid a lot of page
> >twiddling and also allow for massive IO clustering ( > 64k )
>
> Before we redesign the clustering, I would like to know if we
> actually have any recent benchmarks which prove that clustering
> is overall beneficial ?
>
> I would think that track-caches and intelligent drives would gain
> much if not more of what clustering was designed to do gain.
Hm. But I'd think that even with modern drives a smaller number of bigger
I/Os is preferable over lots of very small I/Os. Or have I missed the point?
--
Wilko Bulte Arnhem, The Netherlands
http://www.tcja.nl The FreeBSD Project: http://www.freebsd.org
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-current" in the body of the message
