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From: Bongani Hlope <bhlope@mweb.co.za>
To: Rene Herman <rene.herman@gmail.com>
Subject: Re: updatedb
Date: Thu, 26 Jul 2007 23:25:39 +0200
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On Thursday 26 July 2007 10:01:11 Rene Herman wrote:
> On 07/26/2007 09:08 AM, Bongani Hlope wrote:
> > On Thursday 26 July 2007 08:56:59 Rene Herman wrote:
> >> Great. Now concentrate on the "swpd" column, as it's the only thing
> >> relevant here. The fact that an updatedb run fills/replaces caches is
> >> completely and utterly unsurprising and not something swap-prefetch
> >> helps with. The only thing it does is bring back stuff from _swap_.
> >
> > ;)
> >
> > I have 2Gb of RAM and I never ever touched swap on all my work loads. I
> > was just showing the behavior of updatedb on my desktop. I have never
> > even looked at the swap-prefetch patch (for obvious reasons).
>
> I see... thanks for the report :)
>
> > I think people should also look at their /proc/sys/vm/overcommit_ratio
>
> In the sense that current stuff might be evicted earlier with no or little
> overcommit?
>

Oops, that was suppose to be /proc/sys/vm/swappiness Sorry about the 
confusion.