Daniël Van Eeden

GitHub's gh-ost is a MySQL online schema migration tool changing the operational paradigm. It is triggerless, controllable, auditable, and generates a low writeload on the master.

This session describes how gh-ost differs from existing online schema migration tools, and the many perks made available by its design.

gh-ost runs all of GitHub's migrations. It is released as open source and supported by GitHub at https://github.com/github/gh-ost

There are many interesting ways in how we can get MySQL to fail. Then we need to recover. It will be mythbusters style! Let's do everything what the manual tells us we must not do!