Faster Insights and Improved Accuracy - Spotify's Prometheus Upgrade

Discover how Spotify successfully migrated from their in-house time series database (Heroic) to VictoriaMetrics and Prometheus in this 12-minute lightning talk from a CNCF conference. Learn about the comprehensive 2-year migration process that resulted in 10x faster query speeds and significant cost savings while addressing critical issues with stability, performance, and stakeholder satisfaction. Explore the evaluation criteria used to select VictoriaMetrics, including its superior speed, cost efficiency, Prometheus compatibility, and self-hosted deployment flexibility. Understand the technical challenges involved in transitioning from Heroic's overly flexible data model and often misused HQL query language to Prometheus's standardized structure and best-practice PromQL implementation. Examine the migration strategy that encompassed updating metric collection agents, adapting alert management systems, and executing a major fleet-wide transition. Gain insights into the substantial benefits achieved, including dramatically improved dashboard loading times, faster alerting capabilities, enhanced data accuracy, and better alignment with industry-standard monitoring practices.