Salt at Scale: Lessons from LinkedIn

LinkedIn was an early adopter of salt. Within LinkedIn, there are multiple groups with differing requirements. Salt is used by the application support organization (aka SRE). There have been a number of challenges ranging from supporting 30,000+ servers, to having hundreds of contributors. The deployment system now uses the salt-api for deployments. There is an existing metrics system that salt plugs into using the reactor subsystem. Lastly, all salt commands are recorded via an internal "Twitter-like" posting application.In this webcast led by Craig Sebenik you will learn:Pitfalls for running a large infrastructure with 10s of thousands of minions and hundreds of users spread across multiple departments.We had to implement process for rolling out new modules in a safe and controlled manner. There were more than technical challenges; training was huge, as was dealing with the politics of a large organization.