Moving fast shouldn’t mean breaking things, but Facebook’s old mantra often reflects the realities of a rapidly evolving codebase and infrastructure. The Guardian’s development culture is designed to allow us to move quickly, deploy a dozen times a day and get statistically-significant A/B test results within hours.
Sometimes, though, that leads to the odd slip up.
In this talk I’ll lay bare just a few of the mistakes we made and more importantly, the lessons learned and remediation we took to avoid the problems in the future.
Required audience experience
Objective of the talk
You can view Gareth’s slides below: