Re: [patch] zero-bounce block highmem I/O, #13

From: Jens Axboe (axboe@suse.de)
Date: Tue Aug 28 2001 - 05:41:26 EST

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On Tue, Aug 28 2001, Christoph Rohland wrote:
> Hi Jens,
>
> I tested both #11 and #13 on my 8GB machine with sym53c8xx. The
> initialization of a SAP DB database takes 20 minutes with 2.4.9 and
> with 2.4.9+b13 it took nearly 2.5 hours :-(

Hmm that sounds _very_ strange indeed. What does the controller + disk
detection info look like?

Could you attach vmstat 1 info for pristine and b13 so I can compare the
two and get a clue as to what is going on? Thanks.

-- Jens Axboe

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