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Corda Metrics

Corda exposes metrics the Prometheus format.

The docker-compose configuration in this directory can be used to test this in the combined-worker, for example. To start Prometheus and Grafana, simply run docker compose up in this directory and browse to the grafana dashboard by on to http://localhost:3000/ using the initial username & password of admin/admin.

Prometheus is using the worker's /metrics endpoint exposed on the configured worker port (default 7000, or 7004 for the combined worker by default).

Grafana datasource

When running Grafana for the first time, it will be pre-configured with the prometheus datasource defined in grafana/provisioning/datasources/datasource.yaml

Grafana dashboards

When running Grafana for the first time, it will be pre-configured with the official Micrometer JVM dashboard, a copy of which resides in grafana/provisioning/dashboards/jvm-micrometer_rev9.json.

This can be found by going to Dashboards -> Browse, then searching for JVM. The dashboard can be "starred" when it is opened.

Custom metrics can be added to a dashboard by choosing the metrics name from the datasource. E.g. http_server_requests_total. An example Corda dashboard has been added (grafana/provisioning/dashboards/corda.json). Please note that this is for testing and development purpose and is not officially supported. Feel free to add/change/improve.