polycli_p2p_sensor_metrics.md

Sensor Metrics

sensor_block_range

Difference between head and oldest block numbers

Metric Type: Gauge

sensor_broadcast_batch_size

Number of transactions per broadcast batch

Metric Type: Histogram

sensor_broadcast_queue_depth

Number of transaction batches in broadcast queue

Metric Type: Gauge

sensor_broadcast_send_errors

Number of failed broadcast sends

Metric Type: Counter

sensor_head_block_age

Time since head block was received (in seconds)

Metric Type: Gauge

sensor_head_block_number

Current head block number

Metric Type: Gauge

sensor_head_block_timestamp

Head block timestamp in Unix epoch seconds

Metric Type: Gauge

sensor_messages

Number and type of messages the sensor has sent and received

Metric Type: CounterVec

Variable Labels:

• message
• direction

sensor_oldest_block_number

Oldest block number (floor for parent fetching)

Metric Type: Gauge

sensor_peers

Number of peers the sensor is connected to

Metric Type: Gauge

sensor_rpc_requests

Number of RPC requests made

Metric Type: CounterVec

Variable Labels:

• method
• proxied