Why it matters

Well-designed Grafana dashboards make ops fast; poor dashboards waste time. Learning good dashboarding is a real skill.

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The architecture

Data sources: connect to Prometheus, cloud metrics, DBs. Each returns time series.

Panels: graph, gauge, stat, table, heatmap. Configure per visualization needs.

Grafana structureData sourcesPrometheus, CW, etcPanelsgraph, stat, tableDashboardsgrouped panelsTemplating with variables lets one dashboard serve many environments / services
Grafana components.
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How it works end to end

Templating: variables in queries. One dashboard for many services, environments, regions.

Alerting: unified alerting across data sources.

Dashboard as code: JSON export, version control, provisioning via API.

Golden signals: latency, traffic, errors, saturation. Standard set on every service dashboard.