[Bug 516834] Re: bad default swappiness for desktop systems

[Brad Figg]

This bug was filed against a series that is no longer supported and so
is being marked as Won't Fix. If this issue still exists in a supported
series, please file a new bug.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: Confirmed => Won't Fix

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Title:
  bad default swappiness for desktop systems

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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