Why is Prometheus paired with Grafana in Merge Mind's monitoring stack?

Prometheus and Grafana serve two complementary roles: Prometheus collects and stores time-series metrics from the running services, while Grafana turns those metrics into readable dashboards.

• Prometheus is well suited to scraping metrics at regular intervals from multiple services, like FastAPI, Qdrant, and the review pipeline
• Grafana provides the visualization layer so operators can see trends, spikes, and failures at a glance instead of querying raw metrics manually
• Together they give a self-hosted deployment the kind of observability a SaaS vendor would normally handle behind the scenes

For a tool a team is fully responsible for operating themselves, this pairing is what turns something might be wrong into a precise picture of exactly when a failure rate spiked.

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