One aspect of Varnish that customers and enthusiasts most often ask questions about is how to make more effective use of Varnish’s powerful logging features. Logging and log management is important because your logs can be a real-time account of what is happening behind the scenes with your web traffic and transactions, resource performance, and much more. The detailed nature of logs lets you identify specific issues, anomalies or patterns and troubleshoot, sometimes getting to root causes of problems or seeing and stopping threats emerge before they can do any damage.