{"id":61176,"date":"2025-04-29T11:35:54","date_gmt":"2025-04-29T03:35:54","guid":{"rendered":"https:\/\/fwq.ai\/blog\/61176\/"},"modified":"2025-04-29T11:35:54","modified_gmt":"2025-04-29T03:35:54","slug":"%e4%bc%98%e5%8c%96linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e7%bd%91%e7%bb%9c%e6%80%a7%e8%83%bd%ef%bc%9a%e8%b0%83%e6%95%b4%e7%bd%91%e7%bb%9c%e8%ae%be%e7%bd%ae%e4%b8%8e%e5%8f%82%e6%95%b0-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/61176\/","title":{"rendered":"\u4f18\u5316Linux\u670d\u52a1\u5668\u7684\u7f51\u7edc\u6027\u80fd\uff1a\u8c03\u6574\u7f51\u7edc\u8bbe\u7f6e\u4e0e\u53c2\u6570"},"content":{"rendered":"

\u5982\u4f55\u4f18\u5316\u548c\u8c03\u6574linux\u670d\u52a1\u5668\u7684\u7f51\u7edc\u6027\u80fd<\/p>\n

\u968f\u7740\u4e92\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u7f51\u7edc\u5df2\u7ecf\u6210\u4e3a\u4eba\u4eec\u5de5\u4f5c\u548c\u751f\u6d3b\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u5bf9\u4e8eLinux\u670d\u52a1\u5668\u6765\u8bf4\uff0c\u7f51\u7edc\u6027\u80fd\u7684\u4f18\u5316\u548c\u8c03\u6574\u662f\u63d0\u9ad8\u670d\u52a1\u5668\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u7684\u91cd\u8981\u73af\u8282\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u4f18\u5316\u548c\u8c03\u6574Linux\u670d\u52a1\u5668\u7f51\u7edc\u6027\u80fd\u7684\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u5e2e\u52a9\u60a8\u63d0\u5347\u670d\u52a1\u5668\u7684\u8fd0\u884c\u6548\u7387\u3002<\/p>\n

    \n
  1. \u8c03\u6574\u7f51\u7edc\u8bbe\u5907\u53c2\u6570<\/li>\n<\/ol>\n

    \u4f7f\u7528ethtool\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u548c\u8c03\u6574\u7f51\u7edc\u8bbe\u5907\u7684\u53c2\u6570\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u7f51\u7edc\u8bbe\u5907\u7684\u72b6\u6001\uff1a<\/p>\n

    ethtool eth0<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u5176\u4e2d\uff0ceth0\u662f\u9700\u8981\u67e5\u770b\u7684\u7f51\u7edc\u8bbe\u5907\u540d\u79f0\u3002\u67e5\u770b\u53c2\u6570\u7684\u8f93\u51fa\u4e2d\uff0c\u53ef\u4ee5\u5173\u6ce8\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u53c2\u6570\uff1a<\/p>\n
      \n
    • Speed\uff1a\u7f51\u7edc\u8bbe\u5907\u7684\u901f\u7387\uff0c\u53ef\u4ee5\u901a\u8fc7\u624b\u52a8\u8bbe\u7f6e\u6216\u81ea\u52a8\u534f\u5546\u6765\u63d0\u9ad8\u901f\u7387\u3002<\/li>\n
    • Duplex\uff1a\u5168\u53cc\u5de5\u6216\u534a\u53cc\u5de5\u6a21\u5f0f\uff0c\u5728\u670d\u52a1\u5668\u548c\u7f51\u7edc\u8bbe\u5907\u95f4\u9009\u62e9\u9002\u5f53\u7684\u6a21\u5f0f\u3002<\/li>\n
    • RX\/TX checksum offload\uff1a\u7981\u7528\u6216\u542f\u7528\u8f6f\u4ef6\u8ba1\u7b97\u6821\u9a8c\u548c\u3002<\/li>\n
    • Interrupt coalescing\uff1a\u5408\u5e76\u7f51\u7edc\u63a5\u6536\u4e2d\u65ad\uff0c\u51cf\u5c11\u4e2d\u65ad\u5f00\u9500\u3002<\/li>\n<\/ul>\n
      \u6839\u636e\u670d\u52a1\u5668\u7684\u5177\u4f53\u60c5\u51b5\uff0c\u4f18\u5316\u548c\u8c03\u6574\u8fd9\u4e9b\u53c2\u6570\u53ef\u4ee5\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd\u3002<\/p>\n
        \n
      1. \u8c03\u6574\u7f51\u7edc\u5185\u6838\u53c2\u6570<\/li>\n<\/ol>\n
        Linux\u5185\u6838\u7684\u7f51\u7edc\u53c2\u6570\u4e5f\u4f1a\u5f71\u54cd\u670d\u52a1\u5668\u7684\u7f51\u7edc\u6027\u80fd\u3002\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\/proc\/sys\/net\/\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u6765\u8c03\u6574\u8fd9\u4e9b\u53c2\u6570\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u7f51\u7edc\u5185\u6838\u53c2\u6570\u53ca\u5176\u4f18\u5316\u5efa\u8bae\uff1a<\/p>\n
          \n
        • net.core.rmem_default\u548cnet.core.rmem_max\uff1a\u7528\u4e8e\u8c03\u6574\u5185\u6838\u63a5\u6536\u7f13\u51b2\u533a\u7684\u5927\u5c0f\uff0c\u9002\u5f53\u589e\u5927\u7f13\u51b2\u533a\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u63a5\u6536\u7684\u6548\u7387\u3002<\/li>\n
        • net.core.wmem_default\u548cnet.core.wmem_max\uff1a\u7528\u4e8e\u8c03\u6574\u5185\u6838\u53d1\u9001\u7f13\u51b2\u533a\u7684\u5927\u5c0f\uff0c\u9002\u5f53\u589e\u5927\u7f13\u51b2\u533a\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u53d1\u9001\u7684\u6548\u7387\u3002<\/li>\n
        • net.ipv4.tcp_wmem\u548cnet.ipv4.tcp_rmem\uff1a\u7528\u4e8e\u8c03\u6574TCP\u8fde\u63a5\u7684\u53d1\u9001\u548c\u63a5\u6536\u7f13\u51b2\u533a\u7684\u5927\u5c0f\uff0c\u9002\u5f53\u589e\u5927\u7f13\u51b2\u533a\u53ef\u4ee5\u63d0\u9ad8TCP\u8fde\u63a5\u7684\u6027\u80fd\u3002<\/li>\n
        • net.ipv4.tcp_timestamps\u548cnet.ipv4.tcp_sack\uff1a\u7528\u4e8e\u8c03\u6574TCP\u8fde\u63a5\u7684\u65f6\u95f4\u6233\u548c\u9009\u62e9\u786e\u8ba4\uff08SACK\uff09\u7684\u5f00\u5173\uff0c\u6253\u5f00\u8fd9\u4e9b\u5f00\u5173\u53ef\u4ee5\u63d0\u9ad8TCP\u8fde\u63a5\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/li>\n
        • net.ipv4.tcp_syncookies\uff1a\u7528\u4e8e\u63a7\u5236\u662f\u5426\u5f00\u542fSYN Cookie\u9632\u62a4\u673a\u5236\uff0c\u5982\u679c\u670d\u52a1\u5668\u9762\u5bf9\u5927\u91cfSYN Flood\u653b\u51fb\uff0c\u53ef\u4ee5\u6253\u5f00\u8be5\u5f00\u5173\u3002<\/li>\n<\/ul>\n
          \u5728\u8c03\u6574\u8fd9\u4e9b\u5185\u6838\u53c2\u6570\u65f6\uff0c\u8bf7\u786e\u4fdd\u5bf9\u670d\u52a1\u5668\u6027\u80fd\u548c\u8d44\u6e90\u6d88\u8017\u6709\u5145\u5206\u7684\u4e86\u89e3\uff0c\u5e76\u4fdd\u7559\u539f\u6709\u7684\u914d\u7f6e\u6587\u4ef6\u5907\u4efd\uff0c\u4ee5\u9632\u51fa\u73b0\u610f\u5916\u60c5\u51b5\u3002<\/p>\n
            \n
          1. \u4f18\u5316\u5e94\u7528\u7a0b\u5e8f\u548c\u670d\u52a1<\/li>\n<\/ol>\n
            \u9664\u4e86\u8c03\u6574\u7f51\u7edc\u8bbe\u5907\u548c\u5185\u6838\u53c2\u6570\uff0c\u4f18\u5316\u5e94\u7528\u7a0b\u5e8f\u548c\u670d\u52a1\u4e5f\u662f\u63d0\u5347\u7f51\u7edc\u6027\u80fd\u7684\u91cd\u8981\u4e00\u73af\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f18\u5316\u5efa\u8bae\uff1a<\/p>\n
              \n
            • \u4f7f\u7528\u9ad8\u6548\u7684\u7f51\u7edc\u534f\u8bae\u548c\u7b97\u6cd5\uff1a\u4f8b\u5982\uff0c\u4f7f\u7528HTTP\/2\u4ee3\u66ffHTTP\/1.1\uff0c\u4f7f\u7528\u5feb\u901f\u7684HTTPS\u534f\u8bae\u5b9e\u73b0TLS\u52a0\u5bc6\u3002<\/li>\n
            • \u907f\u514d\u7f51\u7edc\u8bf7\u6c42\u7684\u963b\u585e\uff1a\u4f7f\u7528\u5f02\u6b65IO\u548c\u7ebf\u7a0b\u6c60\u6765\u5904\u7406\u7f51\u7edc\u8bf7\u6c42\uff0c\u907f\u514d\u5728\u4e3b\u7ebf\u7a0b\u4e2d\u8fdb\u884c\u7f51\u7edc\u963b\u585e\u64cd\u4f5c\u3002<\/li>\n
            • \u538b\u7f29\u548c\u7f13\u5b58\u7f51\u7edc\u4f20\u8f93\u7684\u6570\u636e\uff1a\u4f7f\u7528\u538b\u7f29\u7b97\u6cd5\u548c\u7f13\u5b58\u673a\u5236\u6765\u51cf\u5c11\u7f51\u7edc\u4f20\u8f93\u7684\u6570\u636e\u91cf\uff0c\u63d0\u5347\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u3002<\/li>\n
            • \u4f7f\u7528CDN\u52a0\u901f\u5185\u5bb9\u5206\u53d1\uff1a\u5728\u670d\u52a1\u5668\u4e0a\u4f7f\u7528\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff08CDN\uff09\u6765\u7f13\u5b58\u548c\u5206\u53d1\u9759\u6001\u5185\u5bb9\uff0c\u51cf\u5c11\u7f51\u7edc\u5ef6\u8fdf\u548c\u5e26\u5bbd\u6d88\u8017\u3002<\/li>\n
            • \u907f\u514d\u7f51\u7edc\u74f6\u9888\uff1a\u901a\u8fc7\u8d1f\u8f7d\u5747\u8861\u548c\u94fe\u8def\u805a\u5408\u6280\u672f\u6765\u907f\u514d\u5355\u70b9\u6545\u969c\u548c\u7f51\u7edc\u74f6\u9888\uff0c\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u53ef\u9760\u6027\u548c\u6027\u80fd\u3002<\/li>\n<\/ul>\n
                \n
              1. \u76d1\u6d4b\u548c\u8c03\u8bd5\u7f51\u7edc\u6027\u80fd<\/li>\n<\/ol>\n
                \u5b9a\u671f\u76d1\u6d4b\u548c\u8c03\u8bd5\u670d\u52a1\u5668\u7684\u7f51\u7edc\u6027\u80fd\u662f\u53ca\u65f6\u53d1\u73b0\u548c\u89e3\u51b3\u95ee\u9898\u7684\u5173\u952e\u3002\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u7f51\u7edc\u6027\u80fd\u76d1\u6d4b\u5de5\u5177\uff0c\u4f8b\u5982Nagios\u3001Zabbix\u7b49\uff0c\u6765\u5b9e\u65f6\u76d1\u6d4b\u670d\u52a1\u5668\u7684\u7f51\u7edc\u6d41\u91cf\u3001\u5ef6\u8fdf\u548c\u4e22\u5305\u7387\u7b49\u6307\u6807\u3002\u6839\u636e\u76d1\u6d4b\u7ed3\u679c\uff0c\u53ca\u65f6\u8fdb\u884c\u6545\u969c\u6392\u67e5\u548c\u6027\u80fd\u4f18\u5316\u3002<\/p>\n
                \u603b\u7ed3\uff1a<\/p>\n
                \u4f18\u5316\u548c\u8c03\u6574Linux\u670d\u52a1\u5668\u7684\u7f51\u7edc\u6027\u80fd\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u670d\u52a1\u5668\u7684\u8fd0\u884c\u6548\u7387\u548c\u7a33\u5b9a\u6027\u3002\u901a\u8fc7\u8c03\u6574\u7f51\u7edc\u8bbe\u5907\u53c2\u6570\u3001\u4f18\u5316\u7f51\u7edc\u5185\u6838\u53c2\u6570\u3001\u4f18\u5316\u5e94\u7528\u7a0b\u5e8f\u548c\u670d\u52a1\uff0c\u4ee5\u53ca\u76d1\u6d4b\u548c\u8c03\u8bd5\u7f51\u7edc\u6027\u80fd\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u7f51\u7edc\u6027\u80fd\u3002\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f18\u5316\u548c\u8c03\u6574\u7f51\u7edc\u6027\u80fd\u9700\u8981\u5145\u5206\u4e86\u89e3\u670d\u52a1\u5668\u7684\u786c\u4ef6\u548c\u8f6f\u4ef6\u73af\u5883\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u8c03\u6574\u548c\u4f18\u5316\u3002\u540c\u65f6\uff0c\u8bf7\u786e\u4fdd\u5728\u8fdb\u884c\u4efb\u4f55\u7f51\u7edc\u6027\u80fd\u4f18\u5316\u524d\u5907\u4efd\u91cd\u8981\u6570\u636e\u548c\u914d\u7f6e\u6587\u4ef6\uff0c\u4ee5\u9632\u51fa\u73b0\u610f\u5916\u60c5\u51b5\u3002<\/p>\n
                \u4ee5\u4e0a\u5c31\u662f\u4f18\u5316Linux\u670d\u52a1\u5668\u7684\u7f51\u7edc\u6027\u80fd\uff1a\u8c03\u6574\u7f51\u7edc\u8bbe\u7f6e\u4e0e\u53c2\u6570\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
                \u5982\u4f55\u4f18\u5316\u548c\u8c03\u6574linux\u670d\u52a1\u5668\u7684\u7f51\u7edc\u6027\u80fd \u968f\u7740\u4e92\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u7f51\u7edc\u5df2\u7ecf\u6210\u4e3a\u4eba\u4eec\u5de5\u4f5c\u548c\u751f\u6d3b\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u5bf9\u4e8eLinux\u670d\u52a1\u5668\u6765\u8bf4\uff0c\u7f51\u7edc\u6027\u80fd\u7684\u4f18\u5316\u548c\u8c03\u6574\u662f\u63d0\u9ad8\u670d\u52a1\u5668\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u7684\u91cd\u8981\u73af\u8282\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u4f18\u5316\u548c\u8c03\u6574Linux\u670d\u52a1\u5668\u7f51\u7edc\u6027\u80fd\u7684\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u5e2e\u52a9\u60a8\u63d0\u5347\u670d\u52a1\u5668\u7684\u8fd0\u884c\u6548\u7387\u3002 \u8c03\u6574\u7f51\u7edc\u8bbe\u5907\u53c2\u6570 \u4f7f\u7528ethtool\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u548c\u8c03\u6574\u7f51\u7edc\u8bbe\u5907\u7684\u53c2\u6570\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u7f51\u7edc\u8bbe\u5907\u7684\u72b6\u6001\uff1a ethtool eth0 \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0ceth0\u662f\u9700\u8981\u67e5\u770b\u7684\u7f51\u7edc\u8bbe\u5907\u540d\u79f0\u3002\u67e5\u770b\u53c2\u6570\u7684\u8f93\u51fa\u4e2d\uff0c\u53ef\u4ee5\u5173\u6ce8\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u53c2\u6570\uff1a Speed\uff1a\u7f51\u7edc\u8bbe\u5907\u7684\u901f\u7387\uff0c\u53ef\u4ee5\u901a\u8fc7\u624b\u52a8\u8bbe\u7f6e\u6216\u81ea\u52a8\u534f\u5546\u6765\u63d0\u9ad8\u901f\u7387\u3002 Duplex\uff1a\u5168\u53cc\u5de5\u6216\u534a\u53cc\u5de5\u6a21\u5f0f\uff0c\u5728\u670d\u52a1\u5668\u548c\u7f51\u7edc\u8bbe\u5907\u95f4\u9009\u62e9\u9002\u5f53\u7684\u6a21\u5f0f\u3002 RX\/TX checksum offload\uff1a\u7981\u7528\u6216\u542f\u7528\u8f6f\u4ef6\u8ba1\u7b97\u6821\u9a8c\u548c\u3002 Interrupt 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