Re: IO scheduler based IO controller V10

[Ray Lee]

On Fri, Oct 2, 2009 at 7:56 AM, Jens Axboe <jens.axboe@xxxxxxxxxx> wrote:
> In some cases I wish we had a server vs desktop switch, since it would
> decisions on this easier. I know you say that servers care about
> latency, but not at all to the extent that desktops do. Most desktop
> users would gladly give away the top of the performance for latency,
> that's not true of most server users. Depends on what the server does,
> of course.

If most of the I/O on a system exhibits seeky tendencies, couldn't the
schedulers notice that and use that as the hint for what to optimize?

I mean, there's no switch better than the actual I/O behavior itself.
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