On Tue, 27 Jan 2003, Ron Johnson wrote:
> [read-ahead detection stuff deleted]
>
> It wouldn't work well, though, in a client-server DB like Postgres,
> which, in a busy multi-user system, is constantly hitting different
> parts of different files.
It works great. You just do it on a file-descriptor by file-descriptor
basis.
Unfortunately, I don't know of any OSes that detect backwards scans.
cjs
--
Curt Sampson <cjs@cynic.net> +81 90 7737 2974 http://www.netbsd.org
Don't you know, in this new Dark Age, we're all light. --XTC