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      <title>Linux 内核网络参数深度调优：高并发场景实战</title>
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      <pubDate>Fri, 20 Mar 2026 10:00:00 +0800</pubDate>
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      <description>在高并发场景下，Linux 默认内核参数往往成为系统瓶颈。本文从原理出发，系统讲解 TCP backlog、TIME_WAIT、keepalive、内存缓冲区、conntrack、网卡队列（RSS/RPS/RFS）的调优方法，并提供 K8s 节点专属的 sysctl DaemonSet 方案和完整的压测验证流程。</description>
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