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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
6 changed files with 97 additions and 0 deletions
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docs/ops/100k-capacity-baseline.md
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@@ -73,6 +73,8 @@ systemd gateway 已配置 `LimitNOFILE=1048576`，需要持续保持。
| History writer | `vehicle_history_batch_flush_duration_ms{status}` | flush 延迟不持续上升 |
| NATS bridge | `vehicle_bridge_nats_consumer_ack_pending` | 稳态为 0 |
| NATS bridge | `vehicle_bridge_nats_consumer_pending` | burst 后下降 |
| NATS bridge | `vehicle_bridge_batch_pending_messages` | 稳态接近 0，burst 后下降 |
| NATS bridge | `vehicle_bridge_batch_duration_ms_histogram_bucket` | p99 不持续上升 |
| Kafka consumers | `vehicle_*_kafka_lag` | 稳态为 0，burst 后下降 |
| Realtime Redis | `vehicle_realtime_store_update_duration_ms{store="redis"}` | 毫秒级 |
| Realtime MySQL | async queue depth | 不持续增长 |