L7-sysfs cookbook

Description

Configures sysfs kernel subsystem control parameters via Opscode Chef in /etc/sysfs.conf

Supported Platforms

• Ubuntu 12.04+
• Debian 7.0+

Recipes

• L7-sysfs - The default no-op recipe.
• Predefined parameters:
• L7-sysfs::nic_tuning - Sets tx queue length to higher value and increase rps queue.
• L7-sysfs::disk_tuning - Set io scheduler and rq affinity.
• L7-sysfs::tsc_clocksource - Sets clocksource to tsc.
• L7-sysfs::disable_thp - Disables transparent huge pages.

Usage

• name: The sysfs parameter.
• comment: Optional string for identification.
• value: Must be set to proper value.
• immediately: Optional true/false. Sets value at runtime or at the end of chef run.

L7_sysfs 'devices/system/clocksource/clocksource0/current_clocksource' do
    comment 'Set clocksource to tsc'
    value 'tsc'
    immediately true
end

TODO

• Rewrite to LWRP

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Added some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request

License

• Freely distributable and licensed under the MIT license.
• Copyright (c) 2015 Gabor Szelcsanyi