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feat(hub,stability): bounded outbound queue、worker liveness 检测、事件循环 watchdog 及 DB 操作异步化

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- aether-hub: unbounded channel 改为 bounded channel (BoundedOutbound)，队列满时标记拥塞并主动关闭连接，防止内存无限增长
- aether-hub: worker idle timeout 从命令行参数改为基于心跳的 liveness 检测，默认 60 秒
- aether-hub: 新增 ConnConfig 统一管理连接配置，新增 outbound_queue_capacity 参数
- hub_transport: 新增事件循环 watchdog，检测 lag 超过阈值时临时降级暂停新流
- gunicorn_conf: 启用 faulthandler，worker abort 时自动 dump 全部线程栈用于诊断
- health/endpoint_checker/recording: 同步 DB 操作移至 asyncio.to_thread，避免阻塞事件循环
- Dockerfile: 移除 --worker-idle-timeout 0 命令行参数，改由环境变量和默认值控制
This commit is contained in:
fawney19
2026-03-12 12:19:04 +08:00
parent 4d338ebd3d
commit 71ae1a2307
14 changed files with 676 additions and 280 deletions
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aether-hub/Cargo.lock generated
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@@ -10,7 +10,7 @@ checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
[[package]]
name = "aether-hub"
version = "0.1.4"
version = "0.1.5"
dependencies = [
"axum",
"clap",