Good configurable I/O benchmark?

Ulf Lilleengen lulf at pvv.ntnu.no
Sun Dec 19 12:12:53 UTC 2010


On 12/18/2010 10:34 PM, Lev Serebryakov wrote:
> Hello, Freebsd-geom.
>
>
>    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.
>
I have used benchmarks/rawio in the past, which seems to work well, but 
not sure it fits all your requirements though.

Ulf


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