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feat(go): expose history batch pending metrics

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lingniu
2026-07-03 18:46:40 +08:00
parent 1cbe29c5fc
commit 71905aca3d
6 changed files with 79 additions and 7 deletions
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docs/ops/go-vehicle-ingest-memory.md
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@@ -420,10 +420,12 @@ vehicle_async_sink_queue_depth{sink}
```text
vehicle_history_batch_flush_total{status}
vehicle_history_batch_rows_total{status}
vehicle_history_batch_pending_messages
vehicle_history_batch_pending_rows
vehicle_history_batch_flush_duration_ms{status}
```
进入带帧率压测时，必须同时观察 `vehicle_history_kafka_lag` 和 `vehicle_history_batch_*`。
进入带帧率压测时，必须同时观察 `vehicle_history_kafka_lag`、`vehicle_history_batch_pending_*` 和 `vehicle_history_batch_*`。如果 pending 持续非 0 但 Kafka lag 尚未放大，说明 history-writer 已经在本地批写或提交阶段形成早期积压。
## 下次恢复上下文时先做