Re: I/O performance

W dniu 2012-06-21 18:19, Allen, Brandon pisze:
> I've researched this more and was a little surprised by my findings so 
> figured I'd share them in case anyone else also finds them interesting and 
> hoping someone else will correct me if I'm wrong.  The following article 
> explains the fact that the typical IOPS advertised or calculated for a given 
> disk is based on two major assumptions:
>
> http://www.qdpma.com/Storage/IoQueueDepthStrategy.html
>
> 1) Random IO is spread across the entire disk
> 2) A queue length (aka depth) of 1
>
Have You ever considered SLOB as a benchmark tool for such kind of tests ?
http://kevinclosson.wordpress.com/2012/02/06/introducing-slob-the-silly-little-oracle-benchmark/

Orion has his drawbacks and can be misleading .
Regards
GregG

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