Re: [PATCH] speed up SATA

Timothy Miller
2004-03-30T17:48:03Z

Jens Axboe wrote:

> - The optimal_sectors calculation is just an average of previous maximum
> with current maximum. The scheme has a number of break down points,
> for instance writes starving reads will give you a bad read execution
> time, further limiting ->optimal_sectors[READ]

I did look through your code a bit, but one thing to be concerned with
is that going only on max throughput might be fooled by cache hits on
the drive.