Prometheus Store
All collected metrics are stored in a Prometheus server inside the mesh. This store can be accessed by both APIs and a built-in UI. To access the UI, visit the Prometheus URL from the Grey Matter application. A default deployment services the UI at /services/prometheus/latest.
NOTE: you can always find the URLs of core Grey Matter components, like the Prometheus base URL, with the toggles path.

Viewing Metrics

Grey Matter aggregates metrics from every instance of every Service throughout the Fabric mesh and presents them for insight and analysis. The main key indicators are brought forth in the historical and instance views of the Grey Matter application, but a great deal more can be accessed whenever needed.
From the UI, you can execute queries against the collected metrics and graph the results.
Prometheus Query
Prometheus Graph

Alerting

Alerting is currently performed directly through Prometheus alerting configuration. This requires the setup of an AlertManager and configuration of alerting rules. In the Prometheus configuration of the deployment.
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