Feathr, an Open Source, Battletested, Scalable and Enterprise-Grade Feature Store - Hangfei Lin

Feathr, an Open Source, Battletested, Scalable and Enterprise-Grade Feature Store - Hangfei Lin, LinkedIn

In this presentation, we will present an open-source feature store called Feathr. Feathr is the feature store that has been used in production and battle tested in LinkedIn for over 5 years, serving all the LinkedIn machine learning feature platform. In this talk, we will cover the background of Feathr, its internal design and philosophy, and our journey on building an enterprise feature store. Some of Feathr's highlights include: Native feature transformation support, including feature aggregation, sliding window joins, feature lookup, etc.; it is 30X faster running time with bloom filters, join plan optimizer, salted join, and other optimizations. It is also cloud native with simplified and scalable architecture.