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Message #25085
[Bug 516834] Re: bad default swappiness for desktop systems
Been using ubuntu for 5 years on the desktop, only just found out about
this it sucks the ubuntu desktop pacakge should set this value
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https://bugs.launchpad.net/bugs/516834
Title:
bad default swappiness for desktop systems
Status in Default settings for Lubuntu:
New
Status in “linux” package in Ubuntu:
Won't Fix
Status in “procps” package in Ubuntu:
Won't Fix
Status in “linux” package in openSUSE:
New
Bug description:
I am reporting this as a kubuntu-desktop bug, but I imagine it will
apply equally to all desktop flavours.
I did a clean install of Kubuntu on my laptop, which has 3GB RAM. I
didn't create a swap partition. Afterwards I installed swapd and set
it running. The performance was terrible. There was an awful lot of
unnecessary memory swapping which slowed the machine to a crawl.
I fixed this by changing the swappiness from 60 to 10, and making the
change permanent in /etc/sysctl.conf. The gratuitous swapping stopped
and the machine is responsive, as it should be. In other words the
default swappiness value is not appropriate for a desktop system.
Ubuntu should find a way to install itself that allows variables such
as swappiness to be preconfigured to values appropriate to the use for
which the particular flavour of Ubuntu is intended.
ProblemType: Bug
Architecture: amd64
Date: Thu Feb 4 01:09:24 2010
DistroRelease: Ubuntu 9.10
InstallationMedia: Kubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
Package: kubuntu-desktop 1.154
ProcEnviron:
LANGUAGE=
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-9.152-rt
SourcePackage: kubuntu-meta
Uname: Linux 2.6.31-9-rt x86_64
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