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    <managingEditor>17691281867@163.com (Wenzhuo Huang)</managingEditor>
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      <title>Playbook：新建子环境的隔离 checklist——一次 ID 撞车污染 10 万条数据的事故复盘</title>
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      <author>17691281867@163.com (Wenzhuo Huang)</author>
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      <description>一个共用 RabbitMQ broker、共用 Aurora cluster、自增 id 都从 1 起步的新子环境上线 24 天，向已有环境的老用户项目里灌入了约 10 万条不属于他们的消息。本文复盘事故根因（4 件套同时成立才会爆雷），对比三种隔离方案的成本与风险，给出推荐架构（独立中间件 + 共享集群 + ID 起点错开），并把 7 条强制 checklist 沉淀为新子环境上线门槛，附完整可执行的 aws cli / kubectl / SQL / Go 中间件代码。</description>
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