{"id":88069,"date":"2026-07-31T12:58:09","date_gmt":"2026-07-31T04:58:09","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/88069.html"},"modified":"2026-07-31T12:58:09","modified_gmt":"2026-07-31T04:58:09","slug":"%e4%b8%80%e5%8f%b0%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%9c%80%e5%a4%9a%e8%83%bd%e5%bb%ba%e7%ab%8b%e5%a4%9a%e5%b0%91-tcp-%e8%bf%9e%e6%8e%a5%ef%bc%9a%e4%bb%8e%e7%90%86%e8%ae%ba%e6%9e%81%e9%99%90%e5%88%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/88069.html","title":{"rendered":"\u4e00\u53f0\u670d\u52a1\u5668\u6700\u591a\u80fd\u5efa\u7acb\u591a\u5c11 TCP \u8fde\u63a5\uff1a\u4ece\u7406\u8bba\u6781\u9650\u5230\u5b9e\u9645\u74f6\u9888"},"content":{"rendered":"<\/p>\n<h4>\u4e00\u53f0\u670d\u52a1\u5668\u6700\u591a\u80fd\u5efa\u7acb\u591a\u5c11 TCP \u8fde\u63a5&#xff1a;\u4ece\u7406\u8bba\u6781\u9650\u5230\u5b9e\u9645\u74f6\u9888<\/h4>\n<ul>\n<li>\n<ul>\n<li>01. \u524d\u8a00&#xff1a;\u4e00\u4e2a\u7ecf\u5178\u5374\u5bb9\u6613\u88ab\u7b54\u9519\u7684\u95ee\u9898<\/li>\n<li>02. \u6838\u5fc3\u539f\u7406&#xff1a;\u4ec0\u4e48\u552f\u4e00\u6807\u8bc6\u4e00\u4e2a TCP \u8fde\u63a5&#xff1f;<\/li>\n<li>03. \u670d\u52a1\u7aef vs \u5ba2\u6237\u7aef&#xff1a;\u9650\u5236\u5b8c\u5168\u4e0d\u540c<\/li>\n<li>\n<ul>\n<li>3.1 \u670d\u52a1\u7aef\u89c6\u89d2&#xff08;\u5982 Nginx\u3001Tomcat&#xff09;<\/li>\n<li>3.2 \u5ba2\u6237\u7aef\u89c6\u89d2&#xff08;\u5982 curl\u3001\u6d4f\u89c8\u5668&#xff09;<\/li>\n<\/ul>\n<\/li>\n<li>04. \u670d\u52a1\u7aef&#xff1a;\u5230\u5e95\u80fd\u5efa\u7acb\u591a\u5c11\u8fde\u63a5&#xff1f;<\/li>\n<li>\n<ul>\n<li>4.1 \u7406\u8bba\u6781\u9650\u8ba1\u7b97<\/li>\n<li>4.2 \u5b9e\u9645\u74f6\u9888&#xff1a;\u5185\u5b58<\/li>\n<li>4.3 \u5176\u4ed6\u74f6\u9888\u56e0\u7d20<\/li>\n<\/ul>\n<\/li>\n<li>05. \u5ba2\u6237\u7aef&#xff1a;\u4e3a\u4ec0\u4e48\u53ea\u6709 6 \u4e07\u5de6\u53f3&#xff1f;<\/li>\n<li>\n<ul>\n<li>5.1 \u5ba2\u6237\u7aef\u7684\u7aef\u53e3\u9650\u5236<\/li>\n<li>5.2 \u7a81\u7834\u5ba2\u6237\u7aef\u9650\u5236\u7684\u65b9\u6cd5<\/li>\n<\/ul>\n<\/li>\n<li>06. \u5b9e\u9645\u538b\u6d4b\u6570\u636e\u53c2\u8003<\/li>\n<li>\n<ul>\n<li>6.1 \u5355\u53f0\u670d\u52a1\u5668&#xff08;C10K \/ C100K \/ C1M \u95ee\u9898&#xff09;<\/li>\n<li>6.2 \u771f\u5b9e\u573a\u666f\u7ecf\u9a8c\u503c<\/li>\n<\/ul>\n<\/li>\n<li>07. \u670d\u52a1\u7aef\u8fde\u63a5\u6570\u9650\u5236\u56e0\u7d20\u6d41\u7a0b\u56fe<\/li>\n<li>08. Linux \u7cfb\u7edf\u8c03\u4f18\u53c2\u6570&#xff08;\u7a81\u7834\u9650\u5236&#xff09;<\/li>\n<li>\n<ul>\n<li>8.1 \u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236<\/li>\n<li>8.2 \u5185\u6838 TCP \u53c2\u6570<\/li>\n<li>8.3 \u4f7f\u7528 epoll \u800c\u975e select\/poll<\/li>\n<\/ul>\n<\/li>\n<li>09. \u7ecf\u5178\u95ee\u9898&#xff1a;C10K \/ C100K \/ C1M \u95ee\u9898<\/li>\n<li>10. \u5bf9\u6bd4\u603b\u7ed3\u8868<\/li>\n<li>11. \u9762\u8bd5\u56de\u7b54\u6a21\u677f<\/li>\n<li>12. \u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td width=\"50%\">\n<p>     <font face=\"STCAIYUN\" color=\"red\" size=\"4\">&#x1f33a;The Begin&#x1f33a;\u70b9\u70b9\u5173\u6ce8&#xff0c;\u6536\u85cf\u4e0d\u8ff7\u8def&#x1f33a;<\/font>\n     <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>01. \u524d\u8a00&#xff1a;\u4e00\u4e2a\u7ecf\u5178\u5374\u5bb9\u6613\u88ab\u7b54\u9519\u7684\u95ee\u9898<\/h3>\n<p>\u201c\u4e00\u53f0\u670d\u52a1\u5668\u6700\u591a\u80fd\u652f\u6301\u591a\u5c11 TCP \u8fde\u63a5&#xff1f;\u201d\u8fd9\u662f\u9762\u8bd5\u9ad8\u9891\u9898&#xff0c;\u4e5f\u662f\u5f88\u591a\u8fd0\u7ef4\u548c\u540e\u53f0\u5f00\u53d1\u4eba\u5458\u771f\u6b63\u5173\u5fc3\u7684\u95ee\u9898\u3002<\/p>\n<p>\u5e38\u89c1\u7684\u9519\u8bef\u56de\u7b54&#xff1a;<\/p>\n<ul>\n<li>\u201c65535 \u4e2a&#xff0c;\u56e0\u4e3a\u7aef\u53e3\u53f7\u53ea\u6709 16 \u4f4d\u201d<\/li>\n<li>\u201c\u767e\u4e07\u7ea7&#xff0c;\u56e0\u4e3a Linux \u53ef\u4ee5\u8c03\u53c2\u201d<\/li>\n<\/ul>\n<p>\u6b63\u786e\u7b54\u6848\u662f&#xff1a;\u7406\u8bba\u4e0a\u51e0\u4e4e\u65e0\u9650&#xff0c;\u5b9e\u9645\u53d7\u9650\u4e8e\u5185\u5b58\u3001\u6587\u4ef6\u63cf\u8ff0\u7b26\u3001CPU \u7b49\u56e0\u7d20&#xff0c;\u5e76\u4e14\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u9650\u5236\u5b8c\u5168\u4e0d\u540c\u3002<\/p>\n<p>\u672c\u6587\u4ece TCP \u56db\u5143\u7ec4\u539f\u7406\u51fa\u53d1&#xff0c;\u5206\u522b\u5206\u6790\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u4e0a\u9650&#xff0c;\u9010\u4e00\u62c6\u89e3\u5404\u9879\u9650\u5236\u56e0\u7d20&#xff0c;\u5e76\u7ed9\u51fa\u5b9e\u9645\u7684\u538b\u6d4b\u6570\u636e\u548c\u8c03\u4f18\u65b9\u6cd5\u3002<\/p>\n<hr \/>\n<h3>02. \u6838\u5fc3\u539f\u7406&#xff1a;\u4ec0\u4e48\u552f\u4e00\u6807\u8bc6\u4e00\u4e2a TCP \u8fde\u63a5&#xff1f;<\/h3>\n<p>\u4e00\u4e2a TCP \u8fde\u63a5\u7531\u56db\u5143\u7ec4\u552f\u4e00\u6807\u8bc6&#xff1a;<\/p>\n<p>(\u6e90IP\u5730\u5740, \u6e90\u7aef\u53e3, \u76ee\u6807IP\u5730\u5740, \u76ee\u6807\u7aef\u53e3)<\/p>\n<p>\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n\u2502                      TCP \u8fde\u63a5\u56db\u5143\u7ec4                              \u2502<br \/>\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524<br \/>\n\u2502  \u6e90IP\u5730\u5740      : 192.168.1.100                                   \u2502<br \/>\n\u2502  \u6e90\u7aef\u53e3        : 54321                                           \u2502<br \/>\n\u2502  \u76ee\u6807IP\u5730\u5740    : 10.0.0.1                                        \u2502<br \/>\n\u2502  \u76ee\u6807\u7aef\u53e3      : 8080                                            \u2502<br \/>\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n<p>\u5173\u952e\u63a8\u8bba&#xff1a;<\/p>\n<ul>\n<li>\u53ea\u8981\u56db\u5143\u7ec4\u4e0d\u540c&#xff0c;\u5c31\u662f\u4e0d\u540c\u7684 TCP \u8fde\u63a5<\/li>\n<li>\u540c\u4e00\u4e2a\u670d\u52a1\u7aef\u7aef\u53e3&#xff08;\u5982 80&#xff09;\u53ef\u4ee5\u63a5\u53d7\u65e0\u6570\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5&#xff0c;\u56e0\u4e3a\u5ba2\u6237\u7aef\u7684 IP&#043;\u7aef\u53e3\u4e0d\u540c<\/li>\n<\/ul>\n<hr \/>\n<h3>03. \u670d\u52a1\u7aef vs \u5ba2\u6237\u7aef&#xff1a;\u9650\u5236\u5b8c\u5168\u4e0d\u540c<\/h3>\n<h4>3.1 \u670d\u52a1\u7aef\u89c6\u89d2&#xff08;\u5982 Nginx\u3001Tomcat&#xff09;<\/h4>\n<p>\u670d\u52a1\u7aef\u56fa\u5b9a\u53c2\u6570&#xff1a;<br \/>\n  \u76ee\u6807IP &#061; \u670d\u52a1\u5668\u81ea\u5df1\u7684 IP&#xff08;\u5982 10.0.0.1&#xff09;<br \/>\n  \u76ee\u6807\u7aef\u53e3 &#061; \u670d\u52a1\u76d1\u542c\u7684\u7aef\u53e3&#xff08;\u5982 80&#xff09;<\/p>\n<p>\u53d8\u5316\u7684\u662f&#xff1a;<br \/>\n  \u6e90IP&#xff08;\u65e0\u6570\u4e2a\u4e0d\u540c\u7684\u5ba2\u6237\u7aef IP&#xff09;<br \/>\n  \u6e90\u7aef\u53e3&#xff08;\u6bcf\u4e2a\u5ba2\u6237\u7aef\u6700\u591a 65535 \u4e2a\u7aef\u53e3&#xff09;<\/p>\n<p>\u7406\u8bba\u4e0a\u670d\u52a1\u7aef\u6700\u5927\u8fde\u63a5\u6570 &#061; \u5ba2\u6237\u7aefIP\u6570 \u00d7 \u6bcf\u4e2a\u5ba2\u6237\u7aef\u7684\u7aef\u53e3\u6570<\/p>\n<p>\u7406\u8bba\u4e0a\u9650&#xff1a;\u51e0\u4e4e\u662f\u65e0\u9650\u7684&#xff08;\u53d7\u5185\u5b58\u9650\u5236&#xff09;<\/p>\n<h4>3.2 \u5ba2\u6237\u7aef\u89c6\u89d2&#xff08;\u5982 curl\u3001\u6d4f\u89c8\u5668&#xff09;<\/h4>\n<p>\u5ba2\u6237\u7aef\u56fa\u5b9a\u53c2\u6570&#xff1a;<br \/>\n  \u6e90IP &#061; \u5ba2\u6237\u7aef\u81ea\u5df1\u7684 IP&#xff08;\u5982 192.168.1.100&#xff09;<\/p>\n<p>\u53d8\u5316\u7684\u662f&#xff1a;<br \/>\n  \u6e90\u7aef\u53e3&#xff08;16\u4f4d&#xff0c;0-65535&#xff0c;\u5b9e\u9645\u53ef\u7528\u7ea6 28k-64k&#xff09;<br \/>\n  \u76ee\u6807IP &#043; \u76ee\u6807\u7aef\u53e3&#xff08;\u53ef\u4ee5\u8fde\u4e0d\u540c\u7684\u670d\u52a1\u5668&#xff09;<\/p>\n<p>\u7406\u8bba\u4e0a\u5355\u4e2a\u5ba2\u6237\u7aef\u6700\u5927\u8fde\u63a5\u6570 \u2248 \u672c\u5730\u53ef\u7528\u7aef\u53e3\u6570&#xff08;\u7ea6 28k-64k&#xff09;<\/p>\n<p>\u7406\u8bba\u4e0a\u9650&#xff1a;\u7ea6 2.8 \u4e07 ~ 6.5 \u4e07&#xff08;\u53d6\u51b3\u4e8e\u7cfb\u7edf\u914d\u7f6e&#xff09;<\/p>\n<hr \/>\n<h3>04. \u670d\u52a1\u7aef&#xff1a;\u5230\u5e95\u80fd\u5efa\u7acb\u591a\u5c11\u8fde\u63a5&#xff1f;<\/h3>\n<h4>4.1 \u7406\u8bba\u6781\u9650\u8ba1\u7b97<\/h4>\n<p>\u670d\u52a1\u7aef\u76d1\u542c\u7684\u7aef\u53e3\u662f\u56fa\u5b9a\u7684&#xff08;\u5982 80&#xff09;&#xff0c;\u56db\u5143\u7ec4\u4e2d\u53d8\u5316\u7684\u662f&#xff1a;<\/p>\n<ul>\n<li>\u6e90 IP&#xff08;IPv4&#xff1a;\u7ea6 42 \u4ebf\u4e2a&#xff09;<\/li>\n<li>\u6e90\u7aef\u53e3&#xff08;65535 \u4e2a&#xff09;<\/li>\n<\/ul>\n<p>\u7406\u8bba\u6700\u5927\u8fde\u63a5\u6570 &#061; 2^32&#xff08;\u6e90IP\u6570&#xff09; \u00d7 2^16&#xff08;\u6e90\u7aef\u53e3\u6570&#xff09; \u2248 2.8 \u00d7 10^14<\/p>\n<p>\u7406\u8bba\u4e0a&#xff1a;\u51e0\u767e\u4e07\u4ebf\u4e2a\u8fde\u63a5\u2014\u2014\u4f46\u8fd9\u53ea\u662f\u6570\u5b66\u4e0a\u7684\u53ef\u80fd&#xff0c;\u73b0\u5b9e\u4e2d\u6839\u672c\u8fbe\u4e0d\u5230\u3002<\/p>\n<h4>4.2 \u5b9e\u9645\u74f6\u9888&#xff1a;\u5185\u5b58<\/h4>\n<p>\u6bcf\u4e2a TCP \u8fde\u63a5\u90fd\u4f1a\u5360\u7528\u5185\u6838\u5185\u5b58&#xff0c;\u4e3b\u8981\u662f TCP \u63a7\u5236\u5757&#xff08;TCB&#xff09;&#xff1a;<\/p>\n<p>\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n\u2502                    \u6bcf\u4e2a TCP \u8fde\u63a5\u7684\u5185\u5b58\u5f00\u9500                        \u2502<br \/>\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524<br \/>\n\u2502  \u5185\u6838 TCB \u7ed3\u6784\u4f53       : ~1.5KB ~ 2KB&#xff08;Linux&#xff09;                   \u2502<br \/>\n\u2502  \u53d1\u9001\u7f13\u51b2\u533a&#xff08;\u9ed8\u8ba4&#xff09;    : 16KB&#xff08;\u53ef\u8c03&#xff09;                            \u2502<br \/>\n\u2502  \u63a5\u6536\u7f13\u51b2\u533a&#xff08;\u9ed8\u8ba4&#xff09;    : 64KB ~ 128KB&#xff08;\u53ef\u8c03&#xff09;                    \u2502<br \/>\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524<br \/>\n\u2502  \u8f7b\u91cf\u7ea7&#xff08;\u65e0\u6570\u636e&#xff09;      : ~2KB                                     \u2502<br \/>\n\u2502  \u6709\u6570\u636e\u4f20\u8f93&#xff08;\u9ed8\u8ba4&#xff09;    : ~80KB ~ 150KB                            \u2502<br \/>\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n<p>\u5b9e\u9645\u4f30\u7b97&#xff08;\u4ec5\u5185\u5b58&#xff09;&#xff1a;<\/p>\n<table>\n<tr>\u573a\u666f\u5355\u8fde\u63a5\u5185\u5b588GB \u670d\u52a1\u5668\u6781\u965064GB \u670d\u52a1\u5668\u6781\u9650<\/tr>\n<tbody>\n<tr>\n<td>\u7a7a\u95f2\u8fde\u63a5&#xff08;\u65e0\u6570\u636e&#xff09;<\/td>\n<td>~2KB<\/td>\n<td>\u7ea6 400 \u4e07<\/td>\n<td>\u7ea6 3200 \u4e07<\/td>\n<\/tr>\n<tr>\n<td>\u6d3b\u8dc3\u8fde\u63a5&#xff08;\u6709\u6570\u636e&#xff09;<\/td>\n<td>~80KB<\/td>\n<td>\u7ea6 10 \u4e07<\/td>\n<td>\u7ea6 80 \u4e07<\/td>\n<\/tr>\n<tr>\n<td>\u5927\u91cf\u5c0f\u6587\u4ef6\u4e0b\u8f7d&#xff08;\u9ad8\u7f13\u51b2&#xff09;<\/td>\n<td>~150KB<\/td>\n<td>\u7ea6 5 \u4e07<\/td>\n<td>\u7ea6 40 \u4e07<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>4.3 \u5176\u4ed6\u74f6\u9888\u56e0\u7d20<\/h4>\n<table>\n<tr>\u9650\u5236\u56e0\u7d20\u8bf4\u660e\u5178\u578b\u4e0a\u9650<\/tr>\n<tbody>\n<tr>\n<td>\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236<\/td>\n<td>\u6bcf\u4e2a\u8fde\u63a5\u5360\u7528\u4e00\u4e2a fd&#xff0c;\u7cfb\u7edf\u7ea7 &#043; \u8fdb\u7a0b\u7ea7\u9650\u5236<\/td>\n<td>100 \u4e07&#xff08;\u8c03\u4f18\u540e&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>epoll \u4e8b\u4ef6\u76d1\u542c\u4e0a\u9650<\/td>\n<td>epoll \u7406\u8bba\u4e0a\u65e0\u4e0a\u9650&#xff0c;\u4f46\u4e8b\u4ef6\u5904\u7406\u6709\u6027\u80fd\u62d0\u70b9<\/td>\n<td>\u6570\u5341\u4e07~\u767e\u4e07\u7ea7<\/td>\n<\/tr>\n<tr>\n<td>CPU \u8f6f\u4e2d\u65ad<\/td>\n<td>\u5927\u91cf\u8fde\u63a5\u5373\u4f7f\u7a7a\u95f2&#xff0c;\u4e5f\u4f1a\u4ea7\u751f\u5b9a\u65f6\u5668\u4e8b\u4ef6&#xff08;Keep-Alive\u3001\u8d85\u65f6\u91cd\u4f20&#xff09;<\/td>\n<td>\u6570\u5341\u4e07\u8fde\u63a5\u65f6 CPU \u98d9\u5347<\/td>\n<\/tr>\n<tr>\n<td>\u7aef\u53e3\u8303\u56f4<\/td>\n<td>\u670d\u52a1\u7aef\u76d1\u542c\u56fa\u5b9a\u7aef\u53e3&#xff0c;\u4e0d\u53d7\u672c\u5730\u7aef\u53e3\u9650\u5236<\/td>\n<td>\u4e0d\u53d7\u9650&#xff08;\u56e0\u4e3a\u662f\u76ee\u6807\u7aef\u53e3&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>TCP \u5143\u6570\u636e\u8868\u5927\u5c0f<\/td>\n<td>\u5185\u6838\u54c8\u5e0c\u8868 tcp_hashinfo \u7684\u5927\u5c0f<\/td>\n<td>\u53ef\u8c03&#xff0c;\u8c03\u5927\u5360\u5185\u5b58<\/td>\n<\/tr>\n<tr>\n<td>\u7f51\u7edc\u5e26\u5bbd<\/td>\n<td>\u5373\u4f7f\u8fde\u63a5\u6570\u5f88\u591a&#xff0c;\u5b9e\u9645\u541e\u5410\u53d7\u5e26\u5bbd\u9650\u5236<\/td>\n<td>\u4e0e\u8fde\u63a5\u6570\u65e0\u5173<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>05. \u5ba2\u6237\u7aef&#xff1a;\u4e3a\u4ec0\u4e48\u53ea\u6709 6 \u4e07\u5de6\u53f3&#xff1f;<\/h3>\n<h4>5.1 \u5ba2\u6237\u7aef\u7684\u7aef\u53e3\u9650\u5236<\/h4>\n<p>\u5ba2\u6237\u7aef\u53d1\u8d77\u8fde\u63a5\u65f6&#xff0c;\u9700\u8981\u5206\u914d\u4e00\u4e2a\u6e90\u7aef\u53e3\u3002\u7aef\u53e3\u662f 16 \u4f4d\u6574\u6570&#xff08;0-65535&#xff09;&#xff1a;<\/p>\n<p>\u53ef\u7528\u7aef\u53e3\u8303\u56f4&#xff08;Linux \u9ed8\u8ba4&#xff09;&#xff1a;<br \/>\n  net.ipv4.ip_local_port_range &#061; 32768    60999<br \/>\n  \u53ef\u7528\u7aef\u53e3\u6570 &#061; 60999 &#8211; 32768 &#043; 1 &#061; 28232 \u4e2a<\/p>\n<p>\u8fd9\u5c31\u662f\u5355 IP \u5ba2\u6237\u7aef\u80fd\u5efa\u7acb\u7684\u6700\u5927\u5e76\u53d1\u8fde\u63a5\u6570\u4e0a\u9650\u2014\u2014\u7ea6 2.8 \u4e07\u3002<\/p>\n<p>\u5ba2\u6237\u7aef\u6700\u5927\u8fde\u63a5\u6570 &#061; \u672c\u5730\u53ef\u7528\u7aef\u53e3\u6570&#xff08;\u7ea6 28k~64k&#xff09;<\/p>\n<h4>5.2 \u7a81\u7834\u5ba2\u6237\u7aef\u9650\u5236\u7684\u65b9\u6cd5<\/h4>\n<table>\n<tr>\u65b9\u6cd5\u539f\u7406\u80fd\u8fbe\u5230\u7684\u8fde\u63a5\u6570<\/tr>\n<tbody>\n<tr>\n<td>\u4fee\u6539 ip_local_port_range<\/td>\n<td>\u6269\u5927\u53ef\u7528\u7aef\u53e3\u8303\u56f4&#xff08;\u5982 1024-65535&#xff09;<\/td>\n<td>\u7ea6 64k<\/td>\n<\/tr>\n<tr>\n<td>\u7ed1\u5b9a\u591a\u4e2a\u5ba2\u6237\u7aef IP<\/td>\n<td>\u6bcf\u4e2a IP \u6709\u81ea\u5df1\u7684\u7aef\u53e3\u7a7a\u95f4<\/td>\n<td>IP\u6570 \u00d7 \u7aef\u53e3\u6570<\/td>\n<\/tr>\n<tr>\n<td>\u4f7f\u7528 SO_REUSEADDR &#043; SO_REUSEPORT<\/td>\n<td>\u5141\u8bb8\u591a\u4e2a socket \u7ed1\u5b9a\u540c\u4e00\u4e2a\u7aef\u53e3&#xff08;\u4f46\u9700\u4e0d\u540c\u76ee\u6807&#xff09;<\/td>\n<td>\u6709\u9650\u5236<\/td>\n<\/tr>\n<tr>\n<td>\u8fde\u63a5\u4e0d\u540c\u76ee\u6807\u670d\u52a1\u5668<\/td>\n<td>\u76ee\u6807 IP&#043;\u7aef\u53e3 \u53d8\u5316\u65f6&#xff0c;\u6e90\u7aef\u53e3\u53ef\u590d\u7528<\/td>\n<td>\u7406\u8bba\u65e0\u9650&#xff08;\u4f46\u5b9e\u9645\u6709\u9650&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u91cd\u8981&#xff1a;\u5ba2\u6237\u7aef\u8fde\u63a5\u4e0d\u540c\u7684\u76ee\u6807\u670d\u52a1\u5668\u65f6&#xff0c;\u5373\u4f7f\u6e90\u7aef\u53e3\u76f8\u540c&#xff0c;\u56db\u5143\u7ec4\u4e5f\u4e0d\u540c&#xff0c;\u6240\u4ee5\u53ef\u4ee5\u590d\u7528\u7aef\u53e3\u3002<\/p>\n<p>\u5ba2\u6237\u7aef (192.168.1.100:12345) \u2192 \u670d\u52a1\u5668A (10.0.0.1:80)   \u2705 \u8fde\u63a51<br \/>\n\u5ba2\u6237\u7aef (192.168.1.100:12345) \u2192 \u670d\u52a1\u5668B (10.0.0.2:80)   \u2705 \u8fde\u63a52&#xff08;\u56db\u5143\u7ec4\u4e0d\u540c&#xff09;<\/p>\n<p>\u6240\u4ee5\u7406\u8bba\u4e0a&#xff0c;\u4e00\u4e2a\u5ba2\u6237\u7aef\u53ef\u4ee5\u5efa\u7acb\u7684\u8fde\u63a5\u6570 \u2248 \u7aef\u53e3\u6570 \u00d7 \u76ee\u6807\u670d\u52a1\u5668\u6570\u91cf\u3002<\/p>\n<hr \/>\n<h3>06. \u5b9e\u9645\u538b\u6d4b\u6570\u636e\u53c2\u8003<\/h3>\n<h4>6.1 \u5355\u53f0\u670d\u52a1\u5668&#xff08;C10K \/ C100K \/ C1M \u95ee\u9898&#xff09;<\/h4>\n<table>\n<tr>\u5e74\u4ee3\u76ee\u6807\u5b9e\u9645\u53ef\u884c\u5173\u952e\u6280\u672f<\/tr>\n<tbody>\n<tr>\n<td>2000\u5e74<\/td>\n<td>C10K&#xff08;1\u4e07&#xff09;<\/td>\n<td>\u2705 \u5df2\u89e3\u51b3<\/td>\n<td>select\/poll \u2192 epoll\/kqueue<\/td>\n<\/tr>\n<tr>\n<td>2010\u5e74<\/td>\n<td>C100K&#xff08;10\u4e07&#xff09;<\/td>\n<td>\u2705 \u53ef\u884c<\/td>\n<td>epoll &#043; \u5185\u5b58\u4f18\u5316 &#043; \u591a\u7ebf\u7a0b<\/td>\n<\/tr>\n<tr>\n<td>2015\u5e74<\/td>\n<td>C1M&#xff08;100\u4e07&#xff09;<\/td>\n<td>\u2705 \u53ef\u884c<\/td>\n<td>\u8db3\u591f\u5185\u5b58 &#043; \u8c03\u4f18 &#043; 64\u4f4d\u7cfb\u7edf<\/td>\n<\/tr>\n<tr>\n<td>\u73b0\u5728<\/td>\n<td>C10M&#xff08;1000\u4e07&#xff09;<\/td>\n<td>\u26a0\ufe0f \u56f0\u96be<\/td>\n<td>\u9700\u8981\u4e13\u7528\u786c\u4ef6\/DPDK\/\u7528\u6237\u6001\u534f\u8bae\u6808<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>6.2 \u771f\u5b9e\u573a\u666f\u7ecf\u9a8c\u503c<\/h4>\n<table>\n<tr>\u670d\u52a1\u5668\u914d\u7f6e\u7a7a\u95f2\u8fde\u63a5\u4e0a\u9650\u6d3b\u8dc3\u8fde\u63a5\u4e0a\u9650&#xff08;QPS&#xff09;<\/tr>\n<tbody>\n<tr>\n<td>4\u68388G&#xff08;Nginx \u9759\u6001\u6587\u4ef6&#xff09;<\/td>\n<td>30-50 \u4e07<\/td>\n<td>3-5 \u4e07 QPS<\/td>\n<\/tr>\n<tr>\n<td>8\u683816G&#xff08;\u4e1a\u52a1 API&#xff09;<\/td>\n<td>50-80 \u4e07<\/td>\n<td>1-3 \u4e07 QPS<\/td>\n<\/tr>\n<tr>\n<td>16\u683832G&#xff08;\u957f\u8fde\u63a5\u63a8\u9001\u670d\u52a1&#xff09;<\/td>\n<td>200-300 \u4e07<\/td>\n<td>\u53d6\u51b3\u4e8e\u4e1a\u52a1\u903b\u8f91<\/td>\n<\/tr>\n<tr>\n<td>32\u683864G&#xff08;\u8c03\u4f18\u540e C1M \u5b9e\u9a8c&#xff09;<\/td>\n<td>100 \u4e07&#043;<\/td>\n<td>\u6570\u4e07 QPS&#xff08;\u53d7 CPU \u9650\u5236&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>C1M&#xff08;\u4e00\u767e\u4e07\u8fde\u63a5&#xff09;\u5df2\u88ab\u5f88\u591a\u516c\u53f8\u9a8c\u8bc1\u53ef\u884c&#xff0c;\u5982 WhatsApp&#xff08;Erlang&#xff09;\u3001Nginx \u8c03\u4f18\u6848\u4f8b\u3002<\/p>\n<hr \/>\n<h3>07. \u670d\u52a1\u7aef\u8fde\u63a5\u6570\u9650\u5236\u56e0\u7d20\u6d41\u7a0b\u56fe<\/h3>\n<p>                   \u4e00\u53f0\u670d\u52a1\u5668\u6700\u591a\u80fd\u5efa\u7acb\u591a\u5c11 TCP \u8fde\u63a5&#xff1f;<br \/>\n                              \u2502<br \/>\n                              \u25bc<br \/>\n              \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n              \u2502 \u7b2c\u4e00\u6b65&#xff1a;\u7406\u8bba\u4e0a\u6709\u4e0a\u9650\u5417&#xff1f;        \u2502<br \/>\n              \u2502 \u56db\u5143\u7ec4\u4e2d\u670d\u52a1\u7aef IP&#043;\u7aef\u53e3\u56fa\u5b9a&#xff0c;    \u2502<br \/>\n              \u2502 \u5ba2\u6237\u7aef IP&#043;\u7aef\u53e3\u51e0\u4e4e\u65e0\u9650 \u2192 \u65e0\u7406\u8bba\u4e0a\u9650\u2502<br \/>\n              \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<br \/>\n                              \u2502<br \/>\n                              \u25bc<br \/>\n              \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n              \u2502 \u7b2c\u4e8c\u6b65&#xff1a;\u5b9e\u9645\u74f6\u98881 \u2014\u2014 \u5185\u5b58      \u2502<br \/>\n              \u2502 \u6bcf\u4e2a\u8fde\u63a5 ~2KB&#xff08;\u7a7a\u95f2&#xff09;~150KB&#xff08;\u6d3b\u8dc3&#xff09;\u2502<br \/>\n              \u2502 8GB\u5185\u5b58 \u2192 5\u4e07~400\u4e07\u8fde\u63a5        \u2502<br \/>\n              \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<br \/>\n                              \u2502<br \/>\n                              \u25bc<br \/>\n              \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n              \u2502 \u7b2c\u4e09\u6b65&#xff1a;\u5b9e\u9645\u74f6\u98882 \u2014\u2014 \u6587\u4ef6\u63cf\u8ff0\u7b26\u2502<br \/>\n              \u2502 ulimit -n \u9650\u5236\u8fdb\u7a0b\u6253\u5f00 fd \u6570   \u2502<br \/>\n              \u2502 \u9ed8\u8ba4 1024 \u2192 \u9700\u8c03\u5927\u5230 100\u4e07&#043;    \u2502<br \/>\n              \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<br \/>\n                              \u2502<br \/>\n                              \u25bc<br \/>\n              \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n              \u2502 \u7b2c\u56db\u6b65&#xff1a;\u5b9e\u9645\u74f6\u98883 \u2014\u2014 CPU       \u2502<br \/>\n              \u2502 \u7a7a\u95f2\u8fde\u63a5\u4e5f\u6709\u5b9a\u65f6\u5668\u5f00\u9500         \u2502<br \/>\n              \u2502 \u767e\u4e07\u8fde\u63a5 \u2192 CPU \u8f6f\u4e2d\u65ad\u98d9\u5347      \u2502<br \/>\n              \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<br \/>\n                              \u2502<br \/>\n                              \u25bc<br \/>\n              \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n              \u2502 \u7b2c\u4e94\u6b65&#xff1a;\u5b9e\u9645\u74f6\u98884 \u2014\u2014 \u7f51\u7edc\u5e26\u5bbd  \u2502<br \/>\n              \u2502 \u5373\u4f7f\u8fde\u63a5\u6570\u591a&#xff0c;\u603b\u541e\u5410\u53d7\u5e26\u5bbd\u9650\u5236  \u2502<br \/>\n              \u2502 1Gbps \u5e26\u5bbd\u6700\u591a ~10\u4e07 QPS \u5c0f\u5305  \u2502<br \/>\n              \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<br \/>\n                              \u2502<br \/>\n                              \u25bc<br \/>\n              \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n              \u2502 \u7ed3\u8bba&#xff1a;\u5355\u673a\u767e\u4e07\u8fde\u63a5\u53ef\u884c         \u2502<br \/>\n              \u2502 \u4f46\u9700\u6743\u8861\u5185\u5b58\u3001fd\u3001CPU\u3001\u5e26\u5bbd    \u2502<br \/>\n              \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n<hr \/>\n<h3>08. Linux \u7cfb\u7edf\u8c03\u4f18\u53c2\u6570&#xff08;\u7a81\u7834\u9650\u5236&#xff09;<\/h3>\n<h4>8.1 \u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236<\/h4>\n<p><span class=\"token comment\"># \u7cfb\u7edf\u7ea7\u6700\u5927 fd \u6570<\/span><br \/>\n<span class=\"token function\">sysctl<\/span> fs.file-max <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2000000<\/span><\/p>\n<p><span class=\"token comment\"># \u8fdb\u7a0b\u7ea7\u6700\u5927 fd \u6570<\/span><br \/>\n<span class=\"token builtin class-name\">ulimit<\/span> <span class=\"token parameter variable\">-n<\/span> <span class=\"token number\">1000000<\/span><\/p>\n<p><span class=\"token comment\"># \u6c38\u4e45\u4fee\u6539 \/etc\/security\/limits.conf<\/span><br \/>\n* soft nofile <span class=\"token number\">1000000<\/span><br \/>\n* hard nofile <span class=\"token number\">1000000<\/span><\/p>\n<h4>8.2 \u5185\u6838 TCP \u53c2\u6570<\/h4>\n<p><span class=\"token comment\"># \u6269\u5927\u672c\u5730\u7aef\u53e3\u8303\u56f4&#xff08;\u5ba2\u6237\u7aef\u7528&#xff09;<\/span><br \/>\n<span class=\"token function\">sysctl<\/span> net.ipv4.ip_local_port_range <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1024<\/span> <span class=\"token number\">65535<\/span><\/p>\n<p><span class=\"token comment\"># \u52a0\u5feb TIME_WAIT \u56de\u6536&#xff08;\u8c28\u614e\u4f7f\u7528&#xff09;<\/span><br \/>\n<span class=\"token function\">sysctl<\/span> net.ipv4.tcp_tw_reuse <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><br \/>\n<span class=\"token function\">sysctl<\/span> net.ipv4.tcp_tw_recycle <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span>   <span class=\"token comment\"># \u5df2\u5e9f\u5f03&#xff0c;\u4e0d\u5efa\u8bae\u7528<\/span><\/p>\n<p><span class=\"token comment\"># \u51cf\u5c11\u5185\u5b58\u5360\u7528&#xff08;\u9488\u5bf9\u5927\u91cf\u7a7a\u95f2\u957f\u8fde\u63a5&#xff09;<\/span><br \/>\n<span class=\"token function\">sysctl<\/span> net.ipv4.tcp_keepalive_time <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">600<\/span><br \/>\n<span class=\"token function\">sysctl<\/span> net.ipv4.tcp_keepalive_intvl <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">30<\/span><br \/>\n<span class=\"token function\">sysctl<\/span> net.ipv4.tcp_keepalive_probes <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3<\/span><\/p>\n<p><span class=\"token comment\"># \u8c03\u6574 TCP \u5185\u5b58\u4e0a\u9650<\/span><br \/>\n<span class=\"token function\">sysctl<\/span> net.ipv4.tcp_mem <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;786432 1048576 1572864&#034;<\/span><br \/>\n<span class=\"token function\">sysctl<\/span> net.ipv4.tcp_rmem <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;4096 87380 6291456&#034;<\/span><br \/>\n<span class=\"token function\">sysctl<\/span> net.ipv4.tcp_wmem <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;4096 65536 6291456&#034;<\/span><\/p>\n<h4>8.3 \u4f7f\u7528 epoll \u800c\u975e select\/poll<\/h4>\n<p>select\/poll&#xff1a;O(N) \u590d\u6742\u5ea6&#xff0c;N&#061;10\u4e07\u65f6\u6027\u80fd\u707e\u96be<br \/>\nepoll&#xff1a;O(1) \u590d\u6742\u5ea6&#xff0c;\u4e8b\u4ef6\u9a71\u52a8&#xff0c;\u767e\u4e07\u8fde\u63a5\u53ef\u884c<\/p>\n<hr \/>\n<h3>09. \u7ecf\u5178\u95ee\u9898&#xff1a;C10K \/ C100K \/ C1M \u95ee\u9898<\/h3>\n<table>\n<tr>\u95ee\u9898\u542b\u4e49\u6838\u5fc3\u89e3\u51b3\u65b9\u6848<\/tr>\n<tbody>\n<tr>\n<td>C10K<\/td>\n<td>1 \u4e07\u5e76\u53d1\u8fde\u63a5<\/td>\n<td>epoll \/ kqueue&#xff08;\u4e8b\u4ef6\u9a71\u52a8&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>C100K<\/td>\n<td>10 \u4e07\u5e76\u53d1\u8fde\u63a5<\/td>\n<td>epoll &#043; \u5185\u5b58\u4f18\u5316 &#043; \u591a\u7ebf\u7a0b<\/td>\n<\/tr>\n<tr>\n<td>C1M<\/td>\n<td>100 \u4e07\u5e76\u53d1\u8fde\u63a5<\/td>\n<td>64\u4f4d\u7cfb\u7edf &#043; \u5927\u5185\u5b58 &#043; \u7cbe\u7ec6\u8c03\u4f18 &#043; \u96f6\u62f7\u8d1d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>C1M \u7ecf\u5178\u914d\u7f6e\u793a\u4f8b&#xff08;\u5355\u673a\u767e\u4e07\u8fde\u63a5&#xff09;&#xff1a;<\/p>\n<ul>\n<li>CPU&#xff1a;16 \u6838\u4ee5\u4e0a<\/li>\n<li>\u5185\u5b58&#xff1a;64GB&#043;<\/li>\n<li>\u5185\u6838&#xff1a;\u5b9a\u5236\u7f16\u8bd1&#xff0c;\u51cf\u5c11\u5185\u5b58\u5360\u7528<\/li>\n<li>\u5e94\u7528&#xff1a;\u4f7f\u7528 epoll \u4e8b\u4ef6\u9a71\u52a8\u6a21\u578b&#xff08;\u5982 Nginx\u3001Netty\u3001Golang netpoller&#xff09;<\/li>\n<\/ul>\n<hr \/>\n<h3>10. \u5bf9\u6bd4\u603b\u7ed3\u8868<\/h3>\n<table>\n<tr>\u89d2\u8272\u6700\u5927\u8fde\u63a5\u6570\u4e0a\u9650\u4e3b\u8981\u9650\u5236\u56e0\u7d20<\/tr>\n<tbody>\n<tr>\n<td>\u670d\u52a1\u7aef<\/td>\n<td>\u767e\u4e07\u7ea7 ~ \u5343\u4e07\u7ea7<\/td>\n<td>\u5185\u5b58&#xff08;TCB&#043;\u7f13\u51b2\u533a&#xff09;\u3001fd \u9650\u5236\u3001CPU&#xff08;\u8f6f\u4e2d\u65ad&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5ba2\u6237\u7aef<\/td>\n<td>2.8\u4e07 ~ 6.5\u4e07&#xff08;\u5355 IP&#xff09;<\/td>\n<td>\u672c\u5730\u7aef\u53e3\u8303\u56f4&#xff08;ip_local_port_range&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5ba2\u6237\u7aef<\/td>\n<td>\u53ef\u7a81\u7834&#xff08;\u591a IP &#043; \u591a\u76ee\u6807&#xff09;<\/td>\n<td>\u7ed1\u5b9a\u591a\u4e2a IP&#xff0c;\u6216\u8fde\u63a5\u4e0d\u540c\u670d\u52a1\u5668<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>11. \u9762\u8bd5\u56de\u7b54\u6a21\u677f<\/h3>\n<p>\u95ee&#xff1a;\u4e00\u53f0\u670d\u52a1\u5668\u6700\u591a\u80fd\u5efa\u7acb\u591a\u5c11 TCP \u8fde\u63a5&#xff1f;<\/p>\n<p>\u7b54&#xff1a;<\/p>\n<li>\u7406\u8bba\u4e0a&#xff1a;\u670d\u52a1\u7aef\u76d1\u542c\u56fa\u5b9a\u7aef\u53e3&#xff0c;\u56db\u5143\u7ec4\u4e2d\u5ba2\u6237\u7aef IP \u548c\u7aef\u53e3\u53ef\u65e0\u9650\u7ec4\u5408&#xff0c;\u6240\u4ee5\u6ca1\u6709\u7406\u8bba\u4e0a\u9650\u3002<\/li>\n<li>\u5b9e\u9645\u4e0a&#xff1a;\u53d7\u9650\u4e8e\u5185\u5b58\u3001\u6587\u4ef6\u63cf\u8ff0\u7b26\u3001CPU\u3002\u6bcf\u4e2a\u7a7a\u95f2\u8fde\u63a5\u7ea6\u5360\u7528 2KB \u5185\u5b58&#xff0c;8GB \u670d\u52a1\u5668\u7ea6\u80fd\u652f\u6301 400 \u4e07\u7a7a\u95f2\u8fde\u63a5&#xff1b;\u6d3b\u8dc3\u8fde\u63a5\u56e0\u7f13\u51b2\u533a\u5360\u7528\u5185\u5b58\u66f4\u591a&#xff0c;\u901a\u5e38\u51e0\u5341\u4e07\u3002<\/li>\n<li>\u5ba2\u6237\u7aef\u4e0d\u540c&#xff1a;\u5355\u4e2a\u5ba2\u6237\u7aef IP \u53d7\u672c\u5730\u7aef\u53e3\u8303\u56f4\u9650\u5236&#xff0c;\u9ed8\u8ba4\u7ea6 2.8 \u4e07\u4e2a&#xff0c;\u8c03\u4f18\u540e\u53ef\u8fbe 6.5 \u4e07\u4e2a\u3002<\/li>\n<li>C10M \u95ee\u9898&#xff1a;\u5343\u4e07\u7ea7\u8fde\u63a5\u9700\u8981 DPDK\u3001\u7528\u6237\u6001\u534f\u8bae\u6808\u7b49\u7279\u6b8a\u6280\u672f&#xff0c;\u5e38\u89c4 TCP \u6808\u96be\u4ee5\u505a\u5230\u3002<\/li>\n<hr \/>\n<h3>12. \u603b\u7ed3<\/h3>\n<p>\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n\u2502         \u4e00\u53f0\u670d\u52a1\u5668\u6700\u591a\u80fd\u5efa\u7acb\u591a\u5c11 TCP \u8fde\u63a5&#xff1f;&#xff08;\u4e00\u53e5\u8bdd&#xff09;           \u2502<br \/>\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524<br \/>\n\u2502  \u7406\u8bba\u4e0a\u65e0\u4e0a\u9650&#xff0c;\u5b9e\u9645\u53d6\u51b3\u4e8e&#xff1a;                                      \u2502<br \/>\n\u2502    1. \u5185\u5b58&#xff08;\u6bcf\u4e2a\u8fde\u63a5 2KB~150KB&#xff09;                                 \u2502<br \/>\n\u2502    2. \u6587\u4ef6\u63cf\u8ff0\u7b26\u4e0a\u9650&#xff08;ulimit -n&#xff09;                                \u2502<br \/>\n\u2502    3. 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