Metrics Reference

All metrics are exported via Prometheus at /metrics on the configured port (default: 9090).

Pipeline metrics

Metric	Type	Labels	Description
laredo_pipeline_state	Gauge	pipeline_id, source_id, table	Current state (enum)
laredo_pipeline_row_count	Gauge	pipeline_id, table	Rows in target
laredo_pipeline_buffer_depth	Gauge	pipeline_id	Current buffer depth
laredo_pipeline_buffer_capacity	Gauge	pipeline_id	Buffer capacity
laredo_pipeline_inserts_total	Counter	pipeline_id, table	Total inserts applied
laredo_pipeline_updates_total	Counter	pipeline_id, table	Total updates applied
laredo_pipeline_deletes_total	Counter	pipeline_id, table	Total deletes applied
laredo_pipeline_truncates_total	Counter	pipeline_id, table	Total truncates applied
laredo_pipeline_errors_total	Counter	pipeline_id, table	Total change errors
laredo_pipeline_dead_letters_total	Counter	pipeline_id	Dead letters written
laredo_pipeline_rows_expired_total	Counter	pipeline_id, table	Rows expired by TTL

Source metrics

Metric	Type	Labels	Description
laredo_source_lag_bytes	Gauge	source_id	Replication lag in bytes
laredo_source_lag_seconds	Gauge	source_id	Replication lag in seconds
laredo_source_connected	Gauge	source_id	1 if connected, 0 if not

Timing metrics

Metric	Type	Labels	Description
laredo_change_apply_duration_seconds	Histogram	pipeline_id, action	Time to apply a single change
laredo_baseline_duration_seconds	Histogram	pipeline_id	Total baseline loading time
laredo_snapshot_duration_seconds	Histogram		Time to create a snapshot

Fan-out metrics

Metric	Type	Labels	Description
laredo_fanout_connected_clients	Gauge	pipeline_id	Connected fan-out clients
laredo_fanout_journal_entries	Gauge	pipeline_id	Journal entries retained
laredo_fanout_journal_oldest_age_seconds	Gauge	pipeline_id	Age of oldest journal entry
laredo_fanout_snapshots_total	Counter	pipeline_id	Fan-out snapshots created

Snapshot metrics

Metric	Type	Labels	Description
laredo_snapshots_created_total	Counter		Total snapshots created
laredo_snapshots_failed_total	Counter		Total snapshot failures
laredo_snapshots_restored_total	Counter		Total snapshot restores