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Date: Thu, 26 Jul 2007 23:25:39 +0200 From: Bongani Hlope <bhlope@...b.co.za> To: Rene Herman <rene.herman@...il.com> Cc: Robert Deaton <false.hopes@...il.com>, linux-kernel@...r.kernel.org, ck list <ck@....kolivas.org>, linux-mm@...ck.org Subject: Re: updatedb 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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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