[Bug 640472] [NEW] mysqld causes 2-3 wakeups per second on idle

Luis Silva lacsilva at gmail.com
Thu Sep 16 14:05:53 BST 2010


Public bug reported:

mysqld-akonadi consistently causes 2 to 3 wakeups per second on idle on my machine. This makes it the highest cause of wakeups coming from a user source for me. By comparison, virtuoso-t, used by nepomuk causes 0.5 wakeups per second.
Is there a way to tweak mysql to wake up less frequently?
--- 
Architecture: amd64
CheckboxSubmission: 46db008fca60ff4eb912f9c7f988bb35
CheckboxSystem: 2954e74ba17fb0e37fc942cd1d9fab4e
DistroRelease: Ubuntu 10.10
InstallationMedia: Kubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100427)
Package: mysql-server-core-5.1 5.1.49-1ubuntu8
PackageArchitecture: amd64
ProcEnviron:
 LANGUAGE=
 PATH=(custom, user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.35-21.31-generic 2.6.35.4
Tags: maverick
Uname: Linux 2.6.35-21-generic x86_64
UserGroups: adm admin cdrom dialout libvirtd lpadmin plugdev sambashare users video

** Affects: mysql-5.1 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-collected

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mysqld causes 2-3 wakeups per second on idle
https://bugs.launchpad.net/bugs/640472
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