Explore log management at scale in this GOTO Copenhagen 2017 conference talk. Dive into handling high-velocity, high-variety, and high-volume log data for security, failure detection, and analytics. Learn about Kafka, microservices, event formats, and data models. Discover DevOps methodologies, behavioral detection techniques, and ransomware detection strategies. Understand the Pyramid of Pain concept and how to leverage logs effectively. Gain insights on machine learning applications, GDPR considerations, and handling sensitive data in log management. Follow the journey from Elastic to Greylog and explore open-source solutions for managing logs at scale.