From: Rene Herman <rene.herman@gmail.com>
To: Bongani Hlope <bhlope@mweb.co.za>
Cc: Robert Deaton <false.hopes@gmail.com>,
linux-kernel@vger.kernel.org, ck list <ck@vds.kolivas.org>,
linux-mm@kvack.org
Subject: Re: updatedb
Date: Thu, 26 Jul 2007 08:56:59 +0200 [thread overview]
Message-ID: <46A845BB.9080503@gmail.com> (raw)
In-Reply-To: <200707260839.51407.bhlope@mweb.co.za>
On 07/26/2007 08:39 AM, Bongani Hlope wrote:
> On Thursday 26 July 2007 05:59:53 Rene Herman wrote:
>> So what's happening? If you sit down with a copy op "top" in one terminal
>> and updatedb in another, what does it show?
> Just tested that, there's a steady increase in the useage of buff
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_.
Rene.
WARNING: multiple messages have this Message-ID (diff)
From: Rene Herman <rene.herman@gmail.com>
To: Bongani Hlope <bhlope@mweb.co.za>
Cc: Robert Deaton <false.hopes@gmail.com>,
linux-kernel@vger.kernel.org, ck list <ck@vds.kolivas.org>,
linux-mm@kvack.org
Subject: Re: updatedb
Date: Thu, 26 Jul 2007 08:56:59 +0200 [thread overview]
Message-ID: <46A845BB.9080503@gmail.com> (raw)
In-Reply-To: <200707260839.51407.bhlope@mweb.co.za>
On 07/26/2007 08:39 AM, Bongani Hlope wrote:
> On Thursday 26 July 2007 05:59:53 Rene Herman wrote:
>> So what's happening? If you sit down with a copy op "top" in one terminal
>> and updatedb in another, what does it show?
> Just tested that, there's a steady increase in the useage of buff
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_.
Rene.
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next prev parent reply other threads:[~2007-07-26 6:59 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-25 15:30 howto get a patch merged (WAS: Re: -mm merge plans for 2.6.23) Kacper Wysocki
2007-07-25 15:30 ` Kacper Wysocki
2007-07-25 16:01 ` Rene Herman
2007-07-25 16:01 ` Rene Herman
2007-07-25 17:15 ` Robert Deaton
2007-07-25 17:15 ` Robert Deaton
2007-07-26 3:59 ` updatedb Rene Herman
2007-07-26 3:59 ` updatedb Rene Herman
2007-07-26 6:23 ` updatedb Andika Triwidada
2007-07-26 6:23 ` updatedb Andika Triwidada
2007-07-26 7:49 ` updatedb Rene Herman
2007-07-26 7:49 ` updatedb Rene Herman
2007-07-26 9:37 ` updatedb Andika Triwidada
2007-07-26 9:37 ` updatedb Andika Triwidada
2007-07-27 0:46 ` updatedb Jesper Juhl
2007-07-27 0:46 ` updatedb Jesper Juhl
2007-07-27 6:00 ` updatedb Rene Herman
2007-07-27 6:00 ` updatedb Rene Herman
2007-07-27 7:54 ` updatedb Mike Galbraith
2007-07-27 7:54 ` updatedb Mike Galbraith
2007-07-27 8:28 ` updatedb Rene Herman
2007-07-27 8:28 ` updatedb Rene Herman
2007-07-27 9:26 ` updatedb Mike Galbraith
2007-07-27 9:26 ` updatedb Mike Galbraith
2007-07-27 11:09 ` updatedb Rene Herman
2007-07-27 11:09 ` updatedb Rene Herman
2007-07-27 11:48 ` updatedb Mike Galbraith
2007-07-27 11:48 ` updatedb Mike Galbraith
2007-07-27 12:28 ` updatedb Rene Herman
2007-07-27 12:28 ` updatedb Rene Herman
2007-07-27 13:32 ` updatedb Tilman Schmidt
2007-07-26 6:39 ` updatedb Bongani Hlope
2007-07-26 6:39 ` updatedb Bongani Hlope
2007-07-26 6:56 ` Rene Herman [this message]
2007-07-26 6:56 ` updatedb Rene Herman
2007-07-26 7:08 ` updatedb Bongani Hlope
2007-07-26 7:08 ` updatedb Bongani Hlope
2007-07-26 8:01 ` updatedb Rene Herman
2007-07-26 8:01 ` updatedb Rene Herman
2007-07-26 21:25 ` updatedb Bongani Hlope
2007-07-26 21:25 ` updatedb Bongani Hlope
2007-07-26 9:58 ` updatedb Björn Steinbrink
2007-07-26 9:58 ` updatedb Björn Steinbrink
2007-07-26 10:23 ` updatedb Björn Steinbrink
2007-07-26 10:23 ` updatedb Björn Steinbrink
2007-07-26 11:00 ` updatedb Rene Herman
2007-07-26 11:00 ` updatedb Rene Herman
2007-07-26 13:54 ` Re: howto get a patch merged (WAS: Re: -mm merge plans for 2.6.23) Jos Poortvliet
2007-07-25 16:07 ` Ingo Molnar
2007-07-25 16:07 ` Ingo Molnar
2007-07-25 16:40 ` [ck] " Michael Chang
2007-07-25 16:40 ` Michael Chang
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