Good configurable I/O benchmark?

Bruce Cran bruce at cran.org.uk
Sat Dec 18 21:40:10 UTC 2010


On Sun, 19 Dec 2010 00:34:41 +0300
Lev Serebryakov <lev at serebryakov.spb.ru> wrote:

>   Is here any good I/O benchmark? What do I mean by `good':
> 
>  (1) Multiprocess workloads with different workloads per processe
> (thread) (a) Sequential R or W.
>    (b) Random R and W with configurable R:W ratio.
>    (c) Configurable min/max/avg distance seek in random workloads.
>  (2) All above with configurable block size.
>  (3) All of above with configurable I/O queue depth.

It sounds like sysutils/fio should do a lot of that.

-- 
Bruce Cran


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