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[dm-devel] Re: IO scheduler based IO controller V10

On Fri, 2009-10-02 at 20:19 +0200, Jens Axboe wrote:

> I'm not too worried about the "single IO producer" scenarios, and it
> looks like (from a quick look) that most of your numbers are within some
> expected noise levels. It's the more complex mixes that are likely to
> cause a bit of a stink, but lets worry about that later. One quick thing
> would be to read eg 2 or more files sequentially from disk and see how
> that performs.

Hm.  git(s) should be good for a nice repeatable load.  Suggestions?

> If you could do a cleaned up version of your overload patch based on
> this:
> http://git.kernel.dk/?p=linux-2.6-block.git;a=commit;h=1d2235152dc745c6d94bedb550fea84cffdbf768
> then lets take it from there.

I'll try to find a good repeatable git beater first.  At this point, I
only know it helps with one load.


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