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emqx/changes/ee/feat-12299.en.md

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Expose more metrics to improve observability:

Montior API:

  • Add retained_msg_count field to /api/v5/monitor_current.
  • Add license_quota field to /api/v5/monitor_current
  • Add retained_msg_count and node_uptime fields to /api/v5/monitor_current/nodes/{node}.
  • Add retained_msg_count, license_quota and node_uptime fields to /api/v5/monitor_current/nodes/{node}.

Prometheus API:

  • Add emqx_cert_expiry_at and emqx_license_expiry_at to /api/v5/prometheus/stats to display TLS listener certificate expiration time and license expiration time.
  • Add /api/v5/prometheus/auth endpoint to provide metrics such as execution count and running status for all authenticatiors and authorizators.
  • Add /api/v5/prometheus/data_integration endpoint to provide metrics such as execution count and status for all rules, actions, and connectors.

Limitations: Prometheus push gateway only supports the content in /api/v5/prometheus/stats?mode=node

For more API details and metric type information. Please see also in swagger api docs.