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feat(go): expose bridge batch pressure metrics

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lingniu
2026-07-03 18:58:37 +08:00
parent 16ee09180c
commit 018015f9de
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docs/ops/go-service-observability.md
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@@ -43,6 +43,9 @@ curl -fsS http://127.0.0.1:20200/readyz
| `vehicle_bridge_nats_consumer_pending` | JetStream messages pending for the bridge durable consumer. |
| `vehicle_bridge_nats_consumer_ack_pending` | JetStream messages delivered to bridge but not yet acked. |
| `vehicle_bridge_nats_consumer_waiting` | Pull requests waiting on the bridge durable consumer. |
| `vehicle_bridge_batch_pending_messages` | NATS messages fetched by the bridge but not yet written to Kafka and acked. |
| `vehicle_bridge_batch_pending_kafka_messages` | Kafka messages prepared for the current bridge batch. |
| `vehicle_bridge_batch_duration_ms_histogram` | Bridge batch duration histogram covering Kafka write and NATS ack. Labels: `status`. |
| `vehicle_history_writes_total` | TDengine history writes. Labels: `topic`, `status`. |
| `vehicle_history_batch_pending_messages` | Messages fetched by history writer but not yet flushed and committed. |
| `vehicle_history_batch_pending_rows` | Parsed raw envelopes waiting in the current TDengine batch. |