LinuxCon+ContainerCon Europe 2016

Varnish Cache is used by 2.2 million websites including Pinterest, Vimeo and Tesla to cache web content, maximize web performance and reduce origin-server load. People often want to know how they can squeeze more performance from their Varnish Cache infrastructures. In most cases, the Linux configuration needs some fine tuning as its default configuration is not optimised for a high web performance web server like Varnish Cache.
Googling for tuning advice about Linux when it comes to Varnish Cache does not always yield helpful advice. Much of what comes back is either outdated or not quite right and the tuning advice could have a detrimental effect of your site’s availability.
This practical session aimed at sysadmins will explain how to tune both: your Varnish Cache and Linux. It will run through all Linux’s default values that need to be changed to achieve high web performance..