Re: IOPS higher than expected on randwrite, direct=1 tests

[Jens Axboe <jaxboe@xxxxxxxxxxxx>]

On 2010-11-10 20:50, John Cagle wrote:
> If the disk is 2TB, then your 100GB test is only using 5% of it-- thus
> your observed IOPS will be a lot better than expected due to
> short-stroking.  Right?

That is also true, but probably not that much. See my previous email,
rotational latency should dominate here.

-- 
Jens Axboe

--
To unsubscribe from this list: send the line "unsubscribe fio" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html