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perf: cache mysql vehicle identity lookups
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lingniu
2026-06-29 17:00:54 +08:00
parent 114e707a5b
commit f00d851f2a
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docs/operations/vehicle-ingest-tdengine-verification.md
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@@ -115,6 +115,7 @@ JT808 注册身份绑定：
- 生产需要把 0x0100 注册信息维护到 MySQL 时，设置 `VEHICLE_IDENTITY_STORE=mysql`。
- 需要提供 `VEHICLE_IDENTITY_MYSQL_JDBC_URL`、`VEHICLE_IDENTITY_MYSQL_USERNAME`、`VEHICLE_IDENTITY_MYSQL_PASSWORD`。
- 服务启动时自动创建 `vehicle_identity_binding` 表，按 `protocol + identifier_type + identifier_value` 维护 VIN 绑定。
- MySQL 绑定在启动时加载到内存索引，注册/补写时写穿 MySQL 并刷新内存索引；帧解析热路径只查内存，不按帧访问 MySQL。
- 绑定类型包括 `PHONE`、`DEVICE_ID`、`PLATE`；后续同一终端上报 raw/event 时会优先解析成已绑定 VIN。
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