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feat(go): expose realtime store latency histogram

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lingniu
2026-07-03 19:05:58 +08:00
parent afb301cb7a
commit 3900144ea4
6 changed files with 28 additions and 8 deletions
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docs/ops/go-service-observability.md
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@@ -53,6 +53,7 @@ curl -fsS http://127.0.0.1:20200/readyz
| `vehicle_history_batch_flush_duration_ms` | Last TDengine batch flush duration. Labels: `status`. |
| `vehicle_stat_writes_total` | MySQL metric writes. Labels: `topic`, `status`. |
| `vehicle_realtime_updates_total` | Redis/MySQL realtime projector updates. Labels: `topic`, `status`. |
| `vehicle_realtime_store_update_duration_ms_histogram` | Redis/MySQL store update duration histogram. Labels: `store`, `protocol`, `status`. |
| `vehicle_history_kafka_lag` | Estimated Kafka lag for history writer by topic and partition. |
| `vehicle_stat_kafka_lag` | Estimated Kafka lag for stat writer by topic and partition. |
| `vehicle_realtime_kafka_lag` | Estimated Kafka lag for realtime projector by topic and partition. |