anticipatory I/O scheduling

Luigi Rizzo rizzo at
Mon Nov 22 06:17:47 PST 2004

On Mon, Nov 22, 2004 at 03:12:51PM +0100, Dag-Erling Smørgrav wrote:
> I just ran across this paper and started wondering why I'd never heard
> of it before:
> <URL:>
> To summarize, the authors rewrote the I/O scheduling algorithm in
> FreeBSD 4.3 and got massive performance improvements for Apache, and
> smaller but noticeable improvements for AFS and TPC-B.
> Has anyone looked into this?

yes.... but what exactly do you want to know :)


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