{"id":46306,"date":"2025-07-30T02:51:26","date_gmt":"2025-07-29T18:51:26","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/46306.html"},"modified":"2025-07-30T02:51:26","modified_gmt":"2025-07-29T18:51:26","slug":"%e7%a7%91%e6%99%ae%e6%96%87%ef%bc%9a%e8%bd%af%e4%bb%b6%e6%9e%b6%e6%9e%84%e4%b9%8blinux%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%80%a7%e8%83%bd%e3%80%90%e8%bf%9e%e6%8e%a5%e6%95%b0%ef%bc%9a%e5%8d%95%e5%8f%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/46306.html","title":{"rendered":"\u79d1\u666e\u6587\uff1a\u8f6f\u4ef6\u67b6\u6784\u4e4bLinux\u670d\u52a1\u5668\u6027\u80fd\u3010\u8fde\u63a5\u6570\uff1a\u5355\u53f0\u670d\u52a1\u5668\u652f\u6301\u591a\u5c11TCP\u8fde\u63a5\uff1f6.4\u4e07\uff1f\u3011"},"content":{"rendered":"

\u6982\u53d9<\/h2>\n

\"\"<\/p>\n

\u4f17\u6240\u5468\u4e0d\u77e5，\u5728\u5fae\u670d\u52a1\u67b6\u6784\u7684\u4eca\u5929，\u6211\u4eec\u8fd8\u8981\u4e13\u6ce8\u670d\u52a1\u5668\u7684\u6027\u80fd\u3002<\/p>\n

Java web\u5e94\u7528\u6027\u80fd\u5206\u6790\u6982\u53d9_javaweb\u7cfb\u7edf\u54cd\u5e94\u7f13\u6162\u53ef\u80fd\u7684\u95ee\u9898,\u4ea7\u751f\u7684\u539f\u56e0-CSDN\u535a\u5ba2<\/p>\n

\"\"<\/p>\n

\u00a0\u4eca\u5929\u6211\u4eec\u8bf4\u8bf4\u670d\u52a1\u5668\u8fde\u63a5\u6570，\u6bd5\u7adfjava web\u5e94\u7528\u8d70\u7684HTTP\/HTTPs\u540e\u9762\u7528\u7684\u662fTCP\u8fde\u63a5（HTTP3.0\/QUIC \u7684UDP\u6682\u65f6\u8fd8\u672a\u98ce\u9761\u8d77\u6765）\u3002<\/p>\n

\u79d1\u666e\u6587：\u8be6\u89e3HTTP3.0\u534f\u8bae\u548cQUIC\u534f\u8bae_quic\u534f\u8bae\u7248\u672c-CSDN\u535a\u5ba2<\/p>\n

\u5b9e\u6218：QUIC\u5b9e\u6218_quic\u534f\u8bae\u6293\u5305-CSDN\u535a\u5ba2<\/p>\n

\u79d1\u666e\u6587：\u8f6f\u4ef6\u67b6\u6784Nginx\u7cfb\u5217\u4e4b\u3010Nginx 1.25.0\u652f\u6301HTTP\/3：QUIC\u3011_nginx quic-CSDN\u535a\u5ba2<\/p>\n

\u79d1\u666e\u6587：HTTP1.1\u534f\u8bae\u30101.1\u30012.0\u30013.0\u3011-CSDN\u535a\u5ba2<\/p>\n

\u56de\u5f52\u4e3b\u9898：\u5355\u53f0\u670d\u52a1\u5668\u652f\u6301\u591a\u5c11TCP\u8fde\u63a5？6.4\u4e07？<\/p>\n

\u5355\u53f0\u670d\u52a1\u5668\u80fd\u591f\u652f\u6301\u7684TCP\u8fde\u63a5\u6570\u91cf\u5e76\u4e0d\u662f\u4e00\u4e2a\u56fa\u5b9a\u7684\u6570\u5b57，\u5b83\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd，\u5305\u62ec\u670d\u52a1\u5668\u7684\u786c\u4ef6\u914d\u7f6e\u3001\u64cd\u4f5c\u7cfb\u7edf\u3001\u7f51\u7edc\u914d\u7f6e\u4ee5\u53ca\u5e94\u7528\u7a0b\u5e8f\u7684\u7279\u6027\u7b49\u3002<\/p>\n

\u56e0\u6b64，\u4e0d\u80fd\u7b80\u5355\u5730\u8bf4\u5355\u53f0\u670d\u52a1\u5668\u5c31\u80fd\u652f\u63016.4\u4e07TCP\u8fde\u63a5，\u8fd9\u4e2a\u6570\u503c\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u8fdb\u884c\u8bc4\u4f30\u3002<\/p>\n

\u5728\u5b9e\u9645\u5e94\u7528\u4e2d，\u53ef\u4ee5\u901a\u8fc7\u538b\u529b\u6d4b\u8bd5\u5de5\u5177\u6765\u6a21\u62df\u5927\u91cf\u7684TCP\u8fde\u63a5，\u5e76\u89c2\u5bdf\u670d\u52a1\u5668\u7684\u6027\u80fd\u8868\u73b0\u548c\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5，\u4ece\u800c\u5f97\u51fa\u4e00\u4e2a\u76f8\u5bf9\u51c6\u786e\u7684\u6570\u503c\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5f71\u54cd\u670d\u52a1\u5668\u652f\u6301TCP\u8fde\u63a5\u6570\u91cf\u7684\u5173\u952e\u56e0\u7d20：<\/p>\n

  • \n

    \u200c\u5185\u5b58\u200c：\u6bcf\u4e2aTCP\u8fde\u63a5\u90fd\u9700\u8981\u4e00\u5b9a\u7684\u5185\u5b58\u6765\u5b58\u50a8\u8fde\u63a5\u72b6\u6001\u4fe1\u606f，\u5305\u62ec\u63a5\u6536\u548c\u53d1\u9001\u7f13\u51b2\u533a\u3001\u7a97\u53e3\u5927\u5c0f\u7b49\u3002\u56e0\u6b64，\u670d\u52a1\u5668\u7684\u5185\u5b58\u5927\u5c0f\u4f1a\u76f4\u63a5\u5f71\u54cd\u5176\u80fd\u591f\u652f\u6301\u7684TCP\u8fde\u63a5\u6570\u91cf\u3002\u5185\u5b58\u8d8a\u5927，\u901a\u5e38\u80fd\u591f\u652f\u6301\u7684\u8fde\u63a5\u6570\u5c31\u8d8a\u591a\u3002<\/p>\n<\/li>\n

  • \n

    \u200c\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236\u200c：\u5728Linux\u7b49\u64cd\u4f5c\u7cfb\u7edf\u4e2d，\u6bcf\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u6253\u5f00\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u6570\u91cf\u662f\u6709\u9650\u7684\u3002\u7531\u4e8eTCP\u8fde\u63a5\u5728\u5e95\u5c42\u662f\u901a\u8fc7\u6587\u4ef6\u63cf\u8ff0\u7b26\u6765\u8868\u793a\u7684，\u56e0\u6b64\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u9650\u5236\u4e5f\u4f1a\u5f71\u54cd\u670d\u52a1\u5668\u80fd\u591f\u652f\u6301\u7684TCP\u8fde\u63a5\u6570\u91cf\u3002\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u7cfb\u7edf\u53c2\u6570\u6765\u589e\u52a0\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u9650\u5236\u3002<\/p>\n<\/li>\n

  • \n

    \u200c\u7f51\u7edc\u5e26\u5bbd\u548c\u5ef6\u8fdf\u200c：\u7f51\u7edc\u5e26\u5bbd\u548c\u5ef6\u8fdf\u4e5f\u4f1a\u5f71\u54cdTCP\u8fde\u63a5\u7684\u6027\u80fd\u548c\u6570\u91cf\u3002\u5982\u679c\u670d\u52a1\u5668\u7684\u7f51\u7edc\u5e26\u5bbd\u4e0d\u8db3\u6216\u5ef6\u8fdf\u8f83\u9ad8，\u90a3\u4e48\u5373\u4f7f\u80fd\u591f\u5efa\u7acb\u5927\u91cf\u7684TCP\u8fde\u63a5，\u8fd9\u4e9b\u8fde\u63a5\u7684\u6027\u80fd\u4e5f\u4f1a\u53d7\u5230\u5f71\u54cd\u3002<\/p>\n<\/li>\n

  • \n

    \u200c\u5e94\u7528\u7a0b\u5e8f\u7684\u7279\u6027\u200c：\u5e94\u7528\u7a0b\u5e8f\u7684\u7279\u6027\u4e5f\u4f1a\u5f71\u54cdTCP\u8fde\u63a5\u7684\u6570\u91cf\u3002\u4f8b\u5982，\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u9891\u7e41\u5730\u5efa\u7acb\u548c\u5173\u95edTCP\u8fde\u63a5（\u77ed\u8fde\u63a5），\u90a3\u4e48\u670d\u52a1\u5668\u9700\u8981\u5904\u7406\u66f4\u591a\u7684\u8fde\u63a5\u5f00\u9500\u3002\u76f8\u53cd，\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u957f\u8fde\u63a5，\u90a3\u4e48\u670d\u52a1\u5668\u80fd\u591f\u652f\u6301\u7684\u8fde\u63a5\u6570\u5c31\u53ef\u80fd\u4f1a\u66f4\u591a\u3002<\/p>\n<\/li>\n

  • \n

    \u200c\u64cd\u4f5c\u7cfb\u7edf\u7684\u4f18\u5316\u200c：\u64cd\u4f5c\u7cfb\u7edf\u7684\u7f51\u7edc\u6808\u53c2\u6570\u3001TCP\u53c2\u6570\u7b49\u4e5f\u4f1a\u5f71\u54cdTCP\u8fde\u63a5\u7684\u6027\u80fd\u548c\u6570\u91cf\u3002\u901a\u8fc7\u8c03\u6574\u8fd9\u4e9b\u53c2\u6570，\u53ef\u4ee5\u4f18\u5316\u670d\u52a1\u5668\u7684TCP\u8fde\u63a5\u5904\u7406\u80fd\u529b\u3002<\/p>\n<\/li>\n

    \u670d\u52a1\u5668TCP\u8fde\u63a5\u6570\u5206\u6790<\/h2>\n

    \u5355\u53f0\u670d\u52a1\u5668\u7684TCP\u8fde\u63a5\u6570\u4e0a\u9650\u5e76\u975e\u56fa\u5b9a\u503c（\u59826.4\u4e07，\u670d\u52a1\u5668\u7f51\u5361\u670965535\u4e2a\u7aef\u53e3，\u5176\u4e2d0-1023\u662f\u4fdd\u7559\u7aef\u53e3），\u800c\u662f\u7531\u64cd\u4f5c\u7cfb\u7edf\u3001\u5185\u5b58\u3001\u7f51\u7edc\u5e26\u5bbd\u3001\u5e94\u7528\u7279\u6027\u7b49\u591a\u4e2a\u56e0\u7d20\u5171\u540c\u51b3\u5b9a\u3002<\/p>\n

    1. \u7aef\u53e3\u7f16\u53f7\u8303\u56f4<\/p>\n

      \n
    • \u200c\u6709\u6548\u8303\u56f4\u200c：0-65535（16\u4f4d\u65e0\u7b26\u53f7\u6574\u6570）<\/li>\n
    • \u200c\u5212\u5206\u6807\u51c6\u200c：\n
        \n
      • \u200c\u77e5\u540d\u7aef\u53e3\u200c：0-1023（\u9700root\u6743\u9650）<\/li>\n
      • \u200c\u6ce8\u518c\u7aef\u53e3\u200c：1024-49151<\/li>\n
      • \u200c\u52a8\u6001\/\u79c1\u6709\u7aef\u53e3\u200c：49152-65535<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

        2. \u7aef\u53e3\u7f16\u53f7\u8d77\u59cb<\/p>\n

          \n
        • \u200c\u5b9e\u9645\u8d77\u59cb\u503c\u200c：1（0\u4fdd\u7559\u4e3a\u65e0\u6548\u7aef\u53e3）<\/li>\n
        • \u200c\u7279\u6b8a\u8bf4\u660e\u200c：\n
            \n
          • 0\u7aef\u53e3\u7528\u4e8eACL\u89c4\u5219\u5339\u914d<\/li>\n
          • 0-1023\u7aef\u53e3\u9700\u7279\u6b8a\u6743\u9650\u624d\u80fd\u7ed1\u5b9a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

            TCP\u8fde\u63a5\u7531\u56db\u5143\u7ec4\u552f\u4e00\u6807\u8bc6：\u00a0{\u670d\u52a1\u5668IP, \u670d\u52a1\u5668\u7aef\u53e3, \u5ba2\u6237\u7aefIP, \u5ba2\u6237\u7aef\u7aef\u53e3}<\/p>\n

              \n
            • \u670d\u52a1\u5668：\u901a\u5e38\u56fa\u5b9a\u76d1\u542c1\u4e2a\u7aef\u53e3（\u5982Nginx\u752880\u7aef\u53e3）<\/li>\n
            • \u5ba2\u6237\u7aef：IP\u6570 \u2248 2\u00b3\u00b2（42\u4ebf），\u7aef\u53e3\u6570 \u2248 6\u4e07（1024~65535）\u00a0<\/li>\n
            • \u7406\u8bba\u6700\u5927\u8fde\u63a5\u6570 = \u5ba2\u6237\u7aefIP\u6570 \u00d7 \u5ba2\u6237\u7aef\u7aef\u53e3\u6570 \u2248 2\u2074\u2078（281\u4e07\u4ebf）<\/li>\n<\/ul>\n

              \u7c7b\u6bd4\u7406\u89e3：\u597d\u6bd4\u4e00\u5bb6\u94f6\u884c（\u670d\u52a1\u5668）\u53ea\u6709\u4e00\u4e2a\u5927\u95e8（80\u7aef\u53e3），\u4f46\u53ef\u540c\u65f6\u63a5\u5f85\u65e0\u6570\u5ba2\u6237（\u4e0d\u540cIP+\u4e0d\u540c\u95e8\u724c\u53f7）\u3002\u5ba2\u6237A（IP1）\u4ece\u81ea\u5bb6\u5ba2\u5385（\u7aef\u53e35000）\u8fdb\u95e8，\u5ba2\u6237B（IP2）\u4ece\u4e66\u623f（\u7aef\u53e35001）\u8fdb\u95e8\u2014\u2014\u94f6\u884c\u5927\u95e8\u867d\u53ea\u6709\u4e00\u4e2a，\u4f46\u5ba2\u6237\u6765\u6e90\u5343\u5dee\u4e07\u522b\u3002<\/p>\n

              \u4e00\u3001\u7406\u8bba\u6781\u9650\u8ba1\u7b97<\/h3>\n\n\u9650\u5236\u56e0\u7d20\u8ba1\u7b97\u516c\u5f0f\u5178\u578b\u503c\u793a\u4f8b<\/tr>\n\n\n\n\n\n
              \u7aef\u53e3\u53f7\u8017\u5c3d<\/td>\n65,536（16\u4f4d\u7aef\u53e3） – 1024（\u4fdd\u7559）<\/td>\n\u224864,000<\/td>\n<\/tr>\n
              \u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236<\/td>\nulimit -n<\/td>\n\u9ed8\u8ba41,024（\u53ef\u8c03\u81f3\u767e\u4e07\u7ea7）<\/td>\n<\/tr>\n
              \u5185\u5b58\u9650\u5236<\/td>\n\u6bcf\u4e2a\u8fde\u63a5\u7ea64-10KB<\/td>\n10\u4e07\u8fde\u63a5\u22481GB\u5185\u5b58<\/td>\n<\/tr>\n
              CPU\u5904\u7406\u80fd\u529b<\/td>\n\u53d6\u51b3\u4e8e\u4e2d\u65ad\u5904\u7406\u6027\u80fd<\/td>\n\u73b0\u4ee3CPU\u224850\u4e07\u8fde\u63a5\/\u6838<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              \u7406\u8bba\u6700\u5927\u503c： \u73b0\u4ee3Linux\u670d\u52a1\u5668（\u4f18\u5316\u540e）\u53ef\u652f\u6301 100\u4e07+ \u5e76\u53d1\u8fde\u63a5（\u9700\u6ee1\u8db3：\u53ef\u7528\u7aef\u53e3\u6570 > \u5185\u5b58\u5bb9\u91cf > \u6587\u4ef6\u63cf\u8ff0\u7b26\u6570）<\/p>\n

              1. \u64cd\u4f5c\u7cfb\u7edf\u7ea7\u9650\u5236<\/h4>\n
                \n
              • \n

                \u200cLinux\u7cfb\u7edf\u200c：<\/p>\n

                  \n
                • \u9ed8\u8ba4\u6700\u5927\u8fde\u63a5\u6570：\u7ea66.4\u4e07（\u7531net.ipv4.ip_local_port_range\u63a7\u5236，\u901a\u5e38\u4e3a32768-60999）<\/li>\n
                • \u4f7f\u7528SO_REUSEPORT（\u907f\u514d\u7aef\u53e3\u7ade\u4e89）：\n
                    \n
                  • \u6ce8\u610f\u200c：\u542f\u7528SO_REUSEPORT\u9700\u914d\u5408\u8fde\u63a5\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5（\u5982Round Robin）\u3002\u5728\u5bb9\u5668\u5316\u73af\u5883\u4e2d\u5efa\u8bae\u914d\u5408Service Mesh\u4f7f\u7528\u3002<\/li>\n
                  • \n

                    Linux\u5185\u6838\u652f\u6301\u8981\u6c42：\u200c\u6700\u4f4e\u5185\u6838\u7248\u672c\u200c3.9+<\/p>\n

                    # \u68c0\u67e5\u5185\u6838\u652f\u6301
                    \ngrep CONFIG_SO_REUSEPORT \/boot\/config-$(uname -r)\n <\/li>\n

                  • \n

                    \u9002\u7528\u573a\u666f\u9009\u62e9\u200c：\u9002\u5408I\/O\u5bc6\u96c6\u578b\u5e94\u7528（\u5982Web\u670d\u52a1\u5668）；\u4e0d\u63a8\u8350\u8ba1\u7b97\u5bc6\u96c6\u578b\u670d\u52a1\u4f7f\u7528\u3002<\/p>\n<\/li>\n

                  • \n

                    \u6027\u80fd\u5bf9\u6bd4\u6570\u636e<\/p>\n\n\u914d\u7f6e\u65b9\u6848\u5e76\u53d1\u8fde\u63a5\u6570\u5ef6\u8fdf(ms)CPU\u5229\u7528\u7387<\/tr>\n\n\n\n\n
                    \u4f20\u7edf\u5355\u7aef\u53e3<\/td>\n50,000<\/td>\n12.4<\/td>\n85%<\/td>\n<\/tr>\n
                    SO_REUSEPORT<\/td>\n200,000<\/td>\n8.7<\/td>\n65%<\/td>\n<\/tr>\n
                    SO_REUSEPORT+DPDK<\/td>\n500,000<\/td>\n4.1<\/td>\n40%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<\/ul>\n<\/li>\n
                  • \u53ef\u901a\u8fc7\u5185\u6838\u53c2\u6570\u8c03\u6574\u5230\u767e\u4e07\u7ea7： # \u4fee\u6539\u7aef\u53e3\u8303\u56f4
                    \necho "1024 65535" > \/proc\/sys\/net\/ipv4\/ip_local_port_range
                    \n# \u589e\u5927\u6700\u5927\u8fde\u63a5\u6570
                    \nsysctl -w net.core.somaxconn=65535\n <\/li>\n<\/ul>\n<\/li>\n
                  • \n

                    \u200cWindows\u7cfb\u7edf\u200c：<\/p>\n

                      \n
                    • \u9ed8\u8ba4\u6700\u5927\u8fde\u63a5\u6570：\u7ea61.6\u4e07（\u7531TcpNumConnectionsLimit\u63a7\u5236）<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                      2. \u786c\u4ef6\u7ea7\u9650\u5236<\/h4>\n
                        \n
                      • \u200c\u7f51\u5361\u961f\u5217\u200c：\u73b0\u4ee3\u4e07\u5146\u7f51\u5361\u901a\u5e38\u652f\u6301256K+\u8fde\u63a5<\/li>\n
                      • \u200c\u5185\u5b58\u6d88\u8017\u200c：\u6bcf\u4e2aTCP\u8fde\u63a5\u7ea6\u5360\u75283KB\u5185\u5b58（10\u4e07\u8fde\u63a5\u9700300MB\u5185\u5b58）<\/li>\n<\/ul>\n

                        \u4e8c\u3001\u5b9e\u9645\u751f\u4ea7\u73af\u5883\u74f6\u9888<\/h3>\n<\/p>\n

                        1.\u6027\u80fd\u5173\u952e\u5f71\u54cd\u56e0\u7d20<\/h4>\n

                        1. \u8fde\u63a5\u4fdd\u6301\u80fd\u529b<\/p>\n

                          \n
                        • \n

                          \u200c\u957f\u8fde\u63a5\u573a\u666f\u200c（\u5982WebSocket）：<\/p>\n

                            \n
                          • \u9700\u66f4\u591a\u5185\u5b58（\u6bcf\u4e2a\u8fde\u63a5\u4fdd\u6301\u72b6\u6001）<\/li>\n
                          • \u63a8\u8350\u503c：\u7406\u8bba\u503c\u768430-50%<\/li>\n<\/ul>\n<\/li>\n
                          • \n

                            \u200c\u77ed\u8fde\u63a5\u573a\u666f\u200c（\u5982HTTP）：<\/p>\n

                              \n
                            • \u53ef\u63a5\u8fd1\u7406\u8bba\u6700\u5927\u503c<\/li>\n
                            • \u4f46\u9700\u8003\u8651\u8fde\u63a5\u5efa\u7acb\/\u9500\u6bc1\u5f00\u9500<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                              2. \u5178\u578b\u74f6\u9888\u8868\u73b0<\/p>\n

                                \n
                              • \n

                                \u200c\u8fde\u63a5\u6570>1\u4e07\u65f6\u200c：<\/p>\n

                                  \n
                                • CPU\u5f00\u59cb\u6d88\u8017\u5728TCP\u8fde\u63a5\u7ba1\u7406<\/li>\n
                                • \u5185\u5b58\u5360\u7528\u663e\u8457\u589e\u52a0<\/li>\n
                                • \u4e0a\u4e0b\u6587\u5207\u6362\u5f00\u9500\u4e0a\u5347<\/li>\n<\/ul>\n<\/li>\n
                                • \n

                                  \u200c\u8fde\u63a5\u6570>5\u4e07\u65f6\u200c：<\/p>\n

                                    \n
                                  • \u9700\u8981\u4e13\u7528\u7f51\u7edc\u786c\u4ef6（\u5982DPDK）<\/li>\n
                                  • \u5fc5\u987b\u4f18\u5316\u5185\u6838\u53c2\u6570<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                                    2.\u7f51\u7edc\u534f\u8bae\u6808\u4f18\u5316：<\/h4>\n

                                    # \u5173\u952e\u5185\u6838\u53c2\u6570（\/etc\/sysctl.conf）
                                    \n net.ipv4.ip_local_port_range = 1024 65535
                                    \n net.ipv4.tcp_tw_reuse = 1
                                    \n net.core.somaxconn = 32768
                                    \n net.ipv4.tcp_max_syn_backlog = 8192 <\/p>\n

                                    3.\u8fde\u63a5\u7ef4\u6301\u6210\u672c：<\/h4>\n\n\u8fde\u63a5\u72b6\u6001CPU\u5f00\u9500\u5185\u5b58\u5f00\u9500<\/tr>\n\n\n\n\n
                                    ESTABLISHED<\/td>\n\u4f4e<\/td>\n4KB<\/td>\n<\/tr>\n
                                    SYN_RECV<\/td>\n\u9ad8<\/td>\n8KB<\/td>\n<\/tr>\n
                                    TIME_WAIT<\/td>\n\u65e0<\/td>\n2KB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                    4. \u786c\u4ef6\u5236\u7ea6：<\/h4>\n
                                      \n
                                    • \u4e07\u5146\u7f51\u5361：\u7ea6150\u4e07pps（\u5305\/\u79d2）\n
                                        \n
                                      • \u6309\u6700\u5c0fTCP\u5305（84\u5b57\u8282）\u8ba1\u7b97：\u00a0150\u4e07pps \u00d7 3600s \u2248 540\u4e07\u8fde\u63a5\/\u5c0f\u65f6<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/p>\n

                                        \u4e09\u3001\u4e0d\u540c\u573a\u666f\u4e0b\u7684\u5b9e\u6d4b\u6570\u636e<\/h3>\n

                                        1. \u6839\u636e\u670d\u52a1\u5668\u8d44\u6e90\u914d\u7f6e\u9884\u4f30\u8fde\u63a5\u6570<\/h4>\n\n\u670d\u52a1\u5668\u914d\u7f6e\u7406\u8bba\u8fde\u63a5\u6570\u5b9e\u9645\u63a8\u8350\u503c\u74f6\u9888\u56e0\u7d20<\/tr>\n\n\n\n\n
                                        4\u68388G\u4e91\u670d\u52a1\u5668<\/td>\n6.4\u4e07<\/td>\n1-3\u4e07<\/td>\nCPU\/\u5185\u5b58\/\u6587\u4ef6\u63cf\u8ff0\u7b26<\/td>\n<\/tr>\n
                                        16\u683864G\u7269\u7406\u670d\u52a1\u5668<\/td>\n100\u4e07+<\/td>\n5-20\u4e07<\/td>\n\u7f51\u7edc\u4e2d\u65ad\u5904\u7406\u80fd\u529b<\/td>\n<\/tr>\n
                                        \u4e13\u7528\u8d1f\u8f7d\u5747\u8861\u8bbe\u5907<\/td>\n100\u4e07+<\/td>\n50\u4e07+<\/td>\n\u786c\u4ef6\u52a0\u901f\u7279\u6027<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                        2. \u6839\u636e\u670d\u52a1\u5668\u5b9e\u9645\u529f\u80fd\u7c7b\u9884\u4f30\u8fde\u63a5\u6570<\/h4>\n\n\u670d\u52a1\u5668\u7c7b\u578b\u914d\u7f6e\u5b9e\u6d4b\u8fde\u63a5\u6570\u5173\u952e\u4f18\u5316\u624b\u6bb5<\/tr>\n\n\n\n\n\n
                                        Nginx\u53cd\u5411\u4ee3\u7406<\/td>\n32\u6838\/64GB<\/td>\n80\u4e07<\/td>\n\u542f\u7528REUSEPORT，\u8c03\u6574worker_connections<\/td>\n<\/tr>\n
                                        API\u7f51\u5173<\/td>\n16\u6838\/32GB<\/td>\n50\u4e07<\/td>\n\u4f7f\u7528epoll\u8fb9\u7f18\u89e6\u53d1<\/td>\n<\/tr>\n
                                        Redis\u96c6\u7fa4\u8282\u70b9<\/td>\n8\u6838\/16GB<\/td>\n6.4\u4e07<\/td>\n\u53d7\u9650\u4e8e\u5355\u7ebf\u7a0b\u6a21\u578b<\/td>\n<\/tr>\n
                                        MySQL\u6570\u636e\u5e93<\/td>\n64\u6838\/128GB<\/td>\n3\u4e07<\/td>\n\u8fde\u63a5\u6c60\u4f18\u5316（\u5982HikariCP）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                        \u6ce8：Redis\u76846.4\u4e07\u8fde\u63a5\u9650\u5236\u6e90\u4e8e\u5176\u5355\u7ebf\u7a0b\u67b6\u6784，\u4e0eTCP\u534f\u8bae\u6808\u65e0\u5173<\/p>\n

                                        \u56db\u3001\u7a81\u7834\u767e\u4e07\u8fde\u63a5\u7684\u5b9e\u8df5\u65b9\u6848<\/h3>\n

                                        1. Linux\u5185\u6838\u8c03\u4f18：<\/h4>\n

                                        # \u6269\u5927\u6587\u4ef6\u63cf\u8ff0\u7b26
                                        \n echo "* soft nofile 1000000" >> \/etc\/security\/limits.conf<\/p>\n

                                        # \u589e\u52a0TCP\u5185\u5b58\u6c60
                                        \n echo "net.ipv4.tcp_mem = 1024000 8738000 16777216" >> \/etc\/sysctl.conf <\/p>\n

                                        2. \u67b6\u6784\u4f18\u5316\/\u5e94\u7528\u5c42\u4f18\u5316<\/h4>\n
                                          \n
                                        • \u200c\u8fde\u63a5\u5206\u6d41\u200c：\u4f7f\u7528LVS\/Nginx\u505a\u8d1f\u8f7d\u5747\u8861<\/li>\n
                                        • \u200c\u8fde\u63a5\u590d\u7528\u200c：HTTP Keep-Alive\/WebSocket<\/li>\n
                                        • \u8fde\u63a5\u6c60：\u91c7\u7528\u957f\u8fde\u63a5+\u8fde\u63a5\u6c60（\u5982gRPC Channel）<\/li>\n
                                        • \u200c\u5f02\u6b65\u5904\u7406\u200c：\u5f02\u6b65I\/O\u6a21\u578b（epoll\/kqueue）\u4e8b\u4ef6\u6a21\u578b<\/li>\n<\/ul>\n

                                          \u200c\u6ce8\u610f\u200c：\u5b9e\u9645\u751f\u4ea7\u73af\u5883\u4e2d，\u5efa\u8bae\u5c06\u5355\u670d\u52a1\u5668\u8fde\u63a5\u6570\u63a7\u5236\u5728\u7406\u8bba\u503c\u768450%\u4ee5\u5185（\u59826.4\u4e07\u7406\u8bba\u503c\u63093\u4e07\u90e8\u7f72），\u5e76\u914d\u5408\u76d1\u63a7\u7cfb\u7edf\u5b9e\u65f6\u89c2\u5bdf\u8fde\u63a5\u6570\u53d8\u5316\u3002\u91d1\u878d\u7ea7\u4e1a\u52a1\u5efa\u8bae\u8fdb\u4e00\u6b65\u964d\u4f4e\u52301-2\u4e07\u8fde\u63a5\/\u670d\u52a1\u5668\u3002<\/p>\n

                                          3.\u00a0\u786c\u4ef6\u9009\u62e9：<\/h4>\n
                                            \n
                                          • CPU：\u9009\u62e9\u9ad8\u4e3b\u9891（>3.5GHz）\u51cf\u5c11\u4e2d\u65ad\u5ef6\u8fdf<\/li>\n
                                          • \u7f51\u5361：Intel XXV710（\u652f\u6301DPDK\u52a0\u901f）<\/li>\n
                                          • OS：\u5185\u6838\u7248\u672c\u22655.4（BPF\u4f18\u5316）<\/li>\n<\/ul>\n\n\u7f51\u7edc\u914d\u7f6e\u5efa\u8bae\u6700\u5927\u8fde\u63a5\u6570\u5178\u578b\u74f6\u9888<\/tr>\n\n\n\n\n\n
                                            \u5343\u5146\u7f51\u5361<\/td>\n50,000<\/td>\nCPU\u4e2d\u65ad\u5904\u7406\u80fd\u529b<\/td>\n<\/tr>\n
                                            \u4e07\u5146\u7f51\u5361<\/td>\n200,000+<\/td>\n\u5185\u5b58\u5e26\u5bbd<\/td>\n<\/tr>\n
                                            25G\/40G\u7f51\u5361<\/td>\n500,000+<\/td>\nPCIe\u603b\u7ebf\u5e26\u5bbd<\/td>\n<\/tr>\n
                                            100G\u7f51\u5361+DPDK<\/td>\n1,000,000+<\/td>\n\u786c\u4ef6\u8d44\u6e90<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                            \u7269\u7406\u7f51\u5361\u7aef\u53e3<\/p>\n

                                              \n
                                            • \u200c\u7269\u7406\u7aef\u53e3\u6570\u91cf\u200c：\u901a\u5e381-4\u4e2a（\u670d\u52a1\u5668\u4e3b\u677f\u96c6\u6210）<\/li>\n
                                            • \u200c\u865a\u62df\u7aef\u53e3\u6269\u5c55\u200c：\n
                                                \n
                                              • SR-IOV：\u53ef\u865a\u62df\u5316\u51fa256+\u865a\u62df\u7aef\u53e3<\/li>\n
                                              • VF（Virtual Function）：\u6bcf\u7269\u7406\u7aef\u53e3\u53ef\u521b\u5efa\u226564VF<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                                                \u7f51\u7edc\u8fde\u63a5\u7aef\u53e3<\/p>\n

                                                  \n
                                                • \u200c\u5355\u7f51\u5361\u7406\u8bba\u8fde\u63a5\u6570\u200c：\n
                                                    \n
                                                  • \u53d7\u9650\u4e8e\u7aef\u53e3\u8303\u56f4（65K）<\/li>\n
                                                  • \u5b9e\u9645\u53ef\u627f\u8f7d\u8fde\u63a5\u6570（\u8003\u8651TIME_WAIT\u7b49\u72b6\u6001）：\u5b9e\u9645\u8fde\u63a5\u6570 = (\u7aef\u53e3\u8303\u56f4\u4e0a\u9650 – \u4fdd\u7559\u7aef\u53e3) \u00d7 2 \u2248 6.4\u4e07<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                                                    \u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

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