EUC 2014 – Paul Davis – Knit: A New Tool for Releases and Upgrades


By Erlang Central | Published: July 30, 2014



If you’ve ever wondered about how Erlang releases and upgrades work, this talk is for you. This talk will be a whirlwind tour from hot code loading mechanics all the way through applying release upgrades. This talk will also announce Knit, a new tool for release and upgrade generation. Anyone familiar with the basics of Erlang will be able to follow this talk easily. Anyone that’s ever done `c(module).` in the shell will have enough background to understand the concepts. This talk is intended to be both an exploration of how releases and upgrades work as well as how Knit helps users work with them.
Talk objectives:

My primary goal is to provide a clear introduction to releases and upgrades. There’s currently no good tutorial/beginner’s guide which gives them an artificially high learning curve. Secondarily to that I’m also going to describe a new tool I’ve written to help working with releases and upgrades.
Target audience:

Anyone interested in seeing more information on releases and upgrades for deploying Erlang code into production. It should be helpful for anyone wanting to learn how to run production deployments or wants to learn how to generate them more easily.



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