Re: RFT: updatedb "morning after" problem [was: Re: -mm merge plans for 2.6.23]

From: Ray Lee
Date: Sun Jul 29 2007 - 11:03:32 EST


On 7/29/07, Rene Herman <rene.herman@xxxxxxxxx> wrote:
> On 07/29/2007 03:12 PM, Alan Cox wrote:
> > More radically if anyone wants to do real researchy type work - how about
> > log structured swap with a cleaner ?
>
> Right over my head. Why does log-structure help anything?

Log structured disk layouts allow for better placement of writeout, so
that you cn eliminate most or all seeks. Seeks are the enemy when
trying to get full disk bandwidth.

google on log structured disk layout, or somesuch, for details.

Ray
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/