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Re: Bug#581488: general: lower vm.swappiness by default for desktop installations

Le 13/05/2010 20:04, Arthur Machlas a écrit :
On Thu, May 13, 2010 at 4:39 AM, Yves-Alexis Perez<corsac@debian.org>  wrote:
On jeu., 2010-05-13 at 08:41 +0200, Holger Levsen wrote:
I realise that I don't have any solid evidence that this is a good
move, maybe others can fill in with their experience. The goal here is
to improve desktop responsiveness when multi-tasking, especially on
machines with reasonably large RAM and one or more large applications.

[1] http://lists.debian.org/debian-kde/2010/05/msg00313.html
[2]<https://help.ubuntu.com/community/SwapFaq#What is swappiness and how
do I change it?>  [3] http://brainstorm.ubuntu.com/idea/5481/

I don't have much idea about side effects, especially on machine without
“reasonably large” RAM. I'm gonna try swapiness=0 for some time, and
maybe other people could try and report back, but I'd prefer to stay on
the safe side.


I was under the (perhaps mistaken) impression that a value of zero
would effectively disable swapping altogether.

Hi, it doesn't according to my experience, I have been using a zero or ten swappiness for years on Debian desktops and swapping still occurs when needed even with a zero setting, but only when it's inevitable.

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