Re: A quick fio test (was Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3)

Joel Becker
2007-02-23T22:32:30Z

On Fri, Feb 23, 2007 at 01:52:47PM +0100, Jens Axboe wrote:
> Results:
>
> Engine Depth Bw (MiB/sec)
> --------------------------------------------
> libaio 1 441
> syslet 1 574
> sync 1 589
> libaio 32 613
> syslet 32 681

Can we get runs with large I/Os, large I/O depths, and most
importantly tons of processes? I can absolutely believe that syslets
would compete well with one process on the system. But with 1000
processes doing 1000s of blocking I/Os, I'd really be interested to see
how that plays out.

Joel

--

Joel's Second Law:

If a code change requires additional user setup, it is wrong.

Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker@oracle.com
Phone: (650) 506-8127