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CometBFT can report and serve Prometheus metrics, which in turn can be consumed by Prometheus collector(s). This functionality is disabled by default. To enable Prometheus metrics, set instrumentation.prometheus=true in your config file. Metrics will be served under /metrics on port 26660 by default. The listen address can be changed in the config file (see instrumentation.prometheus\_listen\_addr).

List of available metrics

The following metrics are available:

Useful queries

Percentage of missing + byzantine validators: