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feat(go): expose async sink publish latency histogram

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lingniu
2026-07-03 19:02:24 +08:00
parent 018015f9de
commit afb301cb7a
6 changed files with 15 additions and 2 deletions
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docs/ops/go-service-observability.md
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@@ -37,6 +37,7 @@ curl -fsS http://127.0.0.1:20200/readyz
| `vehicle_gateway_frames_total` | Protocol frames received and parsed by the gateway. Labels: `protocol`, `status`. |
| `vehicle_gateway_frame_duration_ms` | Last observed Gateway frame handling duration and histogram buckets for p95/p99. Labels: `protocol`, `status`. |
| `vehicle_gateway_publish_total` | Gateway publish result for raw events. Unified appears only when the compatibility stream is explicitly enabled. Labels: `protocol`, `kind`, `status`. |
| `vehicle_async_sink_publish_duration_ms_histogram` | Async sink publish duration histogram covering worker publish calls to the delegate sink. Labels: `sink`, `kind`, `status`. |
| `vehicle_bridge_messages_total` | NATS messages fetched by the bridge. Labels: `subject`, `status`. |
| `vehicle_bridge_kafka_writes_total` | Bridge writes to Kafka. Labels: `topic`, `status`. |
| `vehicle_bridge_nats_acks_total` | NATS ack results after Kafka write. Labels: `subject`, `status`. |