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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/100k-capacity-baseline.md
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@@ -68,6 +68,8 @@ systemd gateway 已配置 `LimitNOFILE=1048576`，需要持续保持。
| Gateway | parse/publish duration | p99 小于容量目标 |
| History writer | `vehicle_history_batch_flush_total{status}` | `error` 不增长 |
| History writer | `vehicle_history_batch_rows_total{status}` | batch 行数持续增长 |
| History writer | `vehicle_history_batch_pending_messages` | 稳态接近 0，burst 后下降 |
| History writer | `vehicle_history_batch_pending_rows` | 稳态接近 0，burst 后下降 |
| 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 |
@@ -112,7 +114,7 @@ systemd gateway 已配置 `LimitNOFILE=1048576`，需要持续保持。
- gateway frame/publish counters
- NATS pending 和 ack pending
- Kafka lag
- Redis/MySQL/TDengine 写入耗时
- Redis/MySQL/TDengine 写入耗时和 pending depth
- CPU/load/memory/file descriptors
- 错误日志