Highlights 1. Unified multi-cluster visibility: Learn how we built a centralized observability stack for Kubernetes using VictoriaMetrics, Grafana, and Loki. 2. From Prometheus to VictoriaMetrics: Discover why we switched to VictoriaMetrics for better scalability, performance, and cost efficiency. 3. Open-source power, enterprise results: Achieve production-grade Kubernetes observability without paid tools