Overview
Grafana is the industry standard for visualizing time-series data. While it is most commonly used with Prometheus, it can also connect to Graphite, InfluxDB, Elasticsearch, AWS CloudWatch, and many other sources.
Key Features
- Rich Visualizations: Supports a wide range of panels, including graphs, heatmaps, tables, and world maps.
- Templating: Create dynamic dashboards that can be easily filtered by variables (e.g., by cluster, namespace, or instance).
- Alerting: Define visual alert rules and receive notifications when thresholds are met.
- Plugins: A massive ecosystem of plugins for adding new data sources and visualizations.
Importance
Provides a unified 'single pane of glass' for monitoring the health and performance of complex infrastructures.