Re: [PATCH] speed up SATA

From: Timothy Miller
Date: Tue Mar 30 2004 - 12:53:13 EST

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.

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