The article explores how Coralogix tackles the challenge of effectively monitoring Content Delivery Networks (CDNs) by optimizing costs and improving observability without indexing logs. It highlights the importance of request locality in CDN performance and outlines the steps taken using Coralogix's features to address this, such as utilizing the TCO Optimizer for cost reduction, enriching logs with geo-location data, converting logs into metrics, and visualizing them in custom dashboards. The process includes creating alerts for when CDN nodes do not serve requests from the same country, thereby ensuring efficient content delivery. The article emphasizes the capability of Coralogix to maintain deep insights without the cost and complexity of traditional log indexing, allowing users to explore data directly from cloud storage.