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feat(go): add capacity health check tool

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lingniu
2026-07-03 19:54:29 +08:00
parent 68b729fa7b
commit 3edd7462c7
6 changed files with 349 additions and 0 deletions
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docs/ops/go-vehicle-ingest-memory.md
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@@ -24,6 +24,8 @@ Go 版本车辆数据接入链路已经作为生产主链路运行在 ECS `115.2
TDengine writer 的 raw/location 子表创建有进程内单飞保护：同一子表 key 并发首次写入时，只有一个 goroutine 执行 `CREATE TABLE IF NOT EXISTS` 和 tag 更新，其他 goroutine 等待结果后继续 INSERT，避免 10W 车辆启动或回放时对 TDengine 形成重复 DDL 风暴。
容量健康摘要工具：`/opt/lingniu-go-native/current/capacity-check` 会抓本机各 Go 服务 `/metrics` 并输出 JSON。关键 backlog、Kafka lag、连接拒绝或 metrics 抓取失败时退出码为 `2`，可以接 cron/告警。
## 服务和端口
ECS：`115.29.187.205`
@@ -316,6 +318,7 @@ GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -trimpath -ldflags='-s -w' -o /tm
GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -trimpath -ldflags='-s -w' -o /tmp/lingniu-go-deploy/stat-writer ./cmd/stat-writer
GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -trimpath -ldflags='-s -w' -o /tmp/lingniu-go-deploy/nats-fast-writer ./cmd/nats-fast-writer
GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -trimpath -ldflags='-s -w' -o /tmp/lingniu-go-deploy/nats-kafka-bridge ./cmd/nats-kafka-bridge
GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -trimpath -ldflags='-s -w' -o /tmp/lingniu-go-deploy/capacity-check ./cmd/capacity-check
```
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