Re: [PATCH] dcache 2nd chance replacement

Rik van Riel (riel@conectiva.com.br)
Thu, 4 Jan 2001 13:00:28 -0200 (BRDT)

On Thu, 4 Jan 2001, Andrea Arcangeli wrote:
> On Wed, Jan 03, 2001 at 09:09:01PM -0200, Rik van Riel wrote:
> > Ever heard of slocate / updatedb ?
>
> ever heard of somebody killing all other tasks while updatedb is
> running?

Other tasks tend not to stress the dcache like updatedb does,
leading to the effect that updatedb can "flush out" the other
cached values faster than the other processes reference them.

This is something no amount of 2nd chance replacement or even
aging can prevent.

regards,

Rik

--
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	Trailer at 11.


		http://www.surriel.com/
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