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Metrics

Tendermint can report and serve the Prometheus metrics, which in their turn can be consumed by Prometheus collector(s).

This functionality is disabled by default.

To enable the Prometheus metrics, set instrumentation.prometheus=true if your config file. Metrics will be served under /metrics on 26660 port by default. Listen address can be changed in the config file (see instrumentation.prometheus\_listen\_addr).

List of available metrics

The following metrics are available:

Name Type Since Tags Description
consensus_height Gauge 0.21.0 Height of the chain
consensus_validators Gauge 0.21.0 Number of validators
consensus_validators_power Gauge 0.21.0 Total voting power of all validators
consensus_missing_validators Gauge 0.21.0 Number of validators who did not sign
consensus_missing_validators_power Gauge 0.21.0 Total voting power of the missing validators
consensus_byzantine_validators Gauge 0.21.0 Number of validators who tried to double sign
consensus_byzantine_validators_power Gauge 0.21.0 Total voting power of the byzantine validators
consensus_block_interval_seconds Histogram 0.21.0 Time between this and last block (Block.Header.Time) in seconds
consensus_rounds Gauge 0.21.0 Number of rounds
consensus_num_txs Gauge 0.21.0 Number of transactions
consensus_block_parts counter on dev peer_id number of blockparts transmitted by peer
consensus_latest_block_height gauge on dev /status sync_info number
consensus_fast_syncing gauge on dev either 0 (not fast syncing) or 1 (syncing)
consensus_total_txs Gauge 0.21.0 Total number of transactions committed
consensus_block_size_bytes Gauge 0.21.0 Block size in bytes
p2p_peers Gauge 0.21.0 Number of peers node's connected to
p2p_peer_receive_bytes_total counter on dev peer_id number of bytes received from a given peer
p2p_peer_send_bytes_total counter on dev peer_id number of bytes sent to a given peer
p2p_peer_pending_send_bytes gauge on dev peer_id number of pending bytes to be sent to a given peer
p2p_num_txs gauge on dev peer_id number of transactions submitted by each peer_id
p2p_pending_send_bytes gauge on dev peer_id amount of data pending to be sent to peer
mempool_size Gauge 0.21.0 Number of uncommitted transactions
mempool_tx_size_bytes histogram on dev transaction sizes in bytes
mempool_failed_txs counter on dev number of failed transactions
mempool_recheck_times counter on dev number of transactions rechecked in the mempool
state_block_processing_time histogram on dev time between BeginBlock and EndBlock in ms

Useful queries

Percentage of missing + byzantine validators:

((consensus\_byzantine\_validators\_power + consensus\_missing\_validators\_power) / consensus\_validators\_power) * 100
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