# Monitoring

- [SonarQube Server instance](/sonarqube-server/server-update-and-maintenance/monitoring/instance.md): Monitoring your SonarQube Server instance is key to keeping it healthy and ensuring user satisfaction.
- [Lines of Code](/sonarqube-server/server-update-and-maintenance/monitoring/lines-of-code.md): SonarQube calculates the Lines of Code analyzed against the subscription’s limit defined by the license.