Monitoring Guidelines Apply these monitoring principles to ensure system reliability, performance visibility, and proactive issue detection. Core Monitoring Principles - Monitor the four golden signals: latency, traffic, errors, and saturation - Implement monitoring as code for reproducibility - Design monitoring around user experience and business impact - Use SLOs (Service Level Objectives) to guide alerting decisions - Balance comprehensive coverage with actionable insights Key Metrics to Monitor Application Metrics - Request rate (requests per second) - Error rate (percentage of failed re…