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From: Chris Mason on 5 Aug 2010 15:10
On Thu, Aug 05, 2010 at 02:58:37PM -0400, Jeff Moyer wrote:
> Chris Mason <chris.mason(a)oracle.com> writes:
>
> > But, I'm surprised your drive is doing 8K dio reads at 16MB/s, that
> > seems a little high.
>
> I'm not sure why you think that. We're talking about a plain old SATA
> disk, right? I can get 40-50MB/s on my systems for 8KB O_DIRECT reads.
> What am I missing?

Clearly I'm wrong, his drive is going much faster ;) I expect the
smaller reads to be slower but the drive's internal cache is doing well.

-chris

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