Enable Prometheus metrics

Overview​

Credit Smart Chain can report and serve the Prometheus metrics, which in their turn can be consumed using Prometheus collector(s).

Prometheus metrics are disabled by default. It can be enabled by specifying the listener address using --prometheus flag or Telemetry.prometheus field in the config file. Metrics will be served under /metrics on the specified address.

Available metrics​

The following metrics are available:

Name	Type	Description
txpool_pending_transactions	Gauge	Number of pending transactions in TxPool
consensus_validators	Gauge	Number of Validators
consensus_rounds	Gauge	Number of Rounds
consensus_num_txs	Gauge	Number of Transactions in the latest block
consensus_block_interval	Gauge	Time between this and last block in seconds
network_peers	Gauge	Number of Connected peers
network_outbound_connections_count	Gauge	Number of outbound connections
network_inbound_connections_count	Gauge	Number of inbound connections
network_pending_outbound_connections_count	Gauge	Number of pending outbound connections
network_pending_inbound_connections_count	Gauge	Number of pending inbound connections