Explore an open-source feature store called Feathr in this 33-minute conference talk presented by Hangfei Lin from LinkedIn at a CNCF event. Discover the background, internal design, and philosophy behind Feathr, which has been battle-tested in LinkedIn's production environment for over 5 years. Learn about its native feature transformation support, including feature aggregation, sliding window joins, and feature lookup. Understand how Feathr achieves 30X faster running time through optimizations like bloom filters, join plan optimizer, and salted join. Gain insights into its cloud-native architecture and how it serves as a scalable and enterprise-grade feature store for machine learning platforms.