Grafana Is the Right Default Dashboard Layer — With One Caveat
A season of running Grafana + Prometheus in production: where it earns the recommendation, and where Datadog still wins on pure time-to-value.
- Teams already self-hosting Prometheus or Loki
- Anyone standardizing dashboards across multiple data sources
- Cost-sensitive teams past Datadog's per-host pricing threshold
Grafana doesn’t collect any data itself — it’s purely the visualization and alerting layer on top of whatever you point it at. That’s exactly why it ends up as the default recommendation: it doesn’t lock you into one data source, so the investment in dashboards survives even if the underlying metrics backend changes later.
Where it wins
Datasource-agnostic by design. Prometheus, Loki, Postgres, InfluxDB, CloudWatch — one dashboarding layer across all of them. Teams migrating off a SaaS observability tool keep their Grafana dashboards even as the backend changes underneath.
The community dashboard library is genuinely useful. For anything standard — node exporter, Postgres, Redis — there’s a battle-tested dashboard to import rather than build from scratch.
Unified alerting across every connected datasource in one place, rather than configuring alerts separately per tool.
Where it falls short
Setup is real work. Between Prometheus, Grafana, and usually Loki for logs, you’re running and maintaining three services minimum. Datadog’s whole pitch is skipping this entirely, and for a small team without dedicated infra time, that trade can be the right one.
Alerting configuration has a learning curve — provisioning alert rules as code is the right long-term pattern but takes longer to get right than Datadog’s guided setup.
Setup notes
docker compose with Prometheus + Grafana + Loki is the fastest path to a working stack; provision dashboards and datasources as code from day one rather than clicking through the UI, or they won’t survive a redeploy.
Verdict
If you’re already self-hosting metrics infrastructure or actively trying to get off a SaaS observability bill, Grafana is the right call, full stop. If your team is under 10 engineers and doesn’t want to own infrastructure, Datadog’s time-to-value is hard to argue with despite the cost.