The integration of open-source Grafana and Prometheus is a popular choice among DevOps teams for monitoring infrastructure by storing and visualizing time series data. Prometheus functions as the storage backend, collecting metrics from HTTP endpoints, while Grafana serves as the interface for analysis and visualization. To monitor Prometheus itself, various metrics such as memory usage, storage, and service status can be tracked using Prometheus's own exposed metrics. The setup process involves deploying a Dockerized stack including Prometheus, Grafana, cAdvisor, NodeExporter, and AlertManager, with Prometheus configured to monitor itself. Users can define Prometheus as a data source in Grafana to create a monitoring dashboard, utilizing metrics like memory chunks, ingestion rates, and scrape intervals to identify performance issues. Grafana's built-in "Prometheus Stats" dashboard and the more advanced "Prometheus Benchmark" dashboard provide useful visualizations for ongoing monitoring, allowing for customization and experimentation with different queries to optimize dashboard construction. The combination of these tools facilitates an effective and flexible approach to infrastructure monitoring.