Changing the Wheels on a Moving Bus — Spotify’s Event Delivery Migration
At Spotify, data rules all. We log a variety of data, from listening history, to results of A/B testing, to page load times so we can analyze and improve the Spotify service. We instrument and log data across every surface that is running Spotify code through a system called the Event Delivery Infrastructure (EDI). Throughout this blog post we make a distinction between the internal users of the E