You are using an outdated browser. Please upgrade your browser to improve your experience.
Resources: 🖥 Slides • 💻 Code
Our key learnings over the years have been Approximate stats now > Accurate stats tomorrow Our metrics were just aggregates (counts / uniques) with rollups Existing open source systems were more for system monitoring than business metrics Model aggregates as Commutative Monoids using Algebird's typeclasses.