Re: linux readahead setting?

Rik van Riel (riel@conectiva.com.br)
Tue, 13 Nov 2001 13:55:42 -0200 (BRST)


On Tue, 13 Nov 2001, Roy Sigurd Karlsbakk wrote:

> I heard linux does <= 32 page readahead from block devices
> (scsi/ide/que?). Is there a way to double this? I want to read 256kB
> chunks from the SCSI drives, as to get the best speed. These numbers are
> based on some testing and information I've got from Compaq's storage guys.

The -ac kernels have a way to tune this dynamically,
I guess we might want to push this change into 2.4
later on...

regards,

Rik

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