Re: 2.4.1pre8 slowdown on dbench tests

Jens Axboe (axboe@suse.de)
Fri, 19 Jan 2001 02:43:51 +0100

On Thu, Jan 18 2001, Marcelo Tosatti wrote:
> > Marcelo can you give a try with `high_queued_sectors = total_ram / 3' and
> > low_queued_sectors = high_queued_sectors / 2 and drop the big ram machine
> > check?
>
> Andrea,
>
> With the changes you suggested I got almost the same results with
> pre8.

Good, so it's getting closer. Actually, the dbench numbers being
this close (or better) is only due to blk-xx optimizations. The
latency is much smaller, which usually really hurts dbench quite
a bit in testing.

-- 
* Jens Axboe <axboe@suse.de>
* SuSE Labs
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