{"id":65068,"date":"2026-01-24T13:57:03","date_gmt":"2026-01-24T05:57:03","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/65068.html"},"modified":"2026-01-24T13:57:03","modified_gmt":"2026-01-24T05:57:03","slug":"%e9%ab%98%e5%b9%b6%e5%8f%91%e7%9a%84%e6%9c%ac%e8%b4%a8%ef%bc%9a%e8%b6%85%e8%b6%8a%e8%af%ad%e8%a8%80%e7%9a%84%e5%8d%8f%e4%bd%9c%e5%93%b2%e5%ad%a6-%e4%bb%a5-go-http-%e6%9c%8d%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/65068.html","title":{"rendered":"\u9ad8\u5e76\u53d1\u7684\u672c\u8d28\uff1a\u8d85\u8d8a\u8bed\u8a00\u7684\u534f\u4f5c\u54f2\u5b66\u2014\u2014\u4ee5 Go HTTP \u670d\u52a1\u5668\u4e3a\u4f8b"},"content":{"rendered":"<p>\u6838\u5fc3\u89c2\u70b9&#xff1a; \u9ad8\u5e76\u53d1\u4e0d\u662f&#034;\u6280\u672f\u9009\u578b&#034;\u95ee\u9898&#xff0c;\u800c\u662f&#034;\u89d2\u8272\u534f\u4f5c&#034;\u95ee\u9898\u3002\u65e0\u8bba Go\u3001Rust \u8fd8\u662f Java&#xff0c;\u5e95\u5c42\u90fd\u5728\u89e3\u51b3\u540c\u4e00\u4e2a\u7269\u7406\u5b66\u96be\u9898&#xff1a;\u5982\u4f55\u8ba9\u6709\u9650\u7684 CPU \u6838\u5fc3&#xff0c;\u516c\u5e73\u4e14\u9ad8\u6548\u5730\u670d\u52a1\u65e0\u9650\u589e\u957f\u7684\u5e76\u53d1\u8bf7\u6c42&#xff1f;<\/p>\n<hr \/>\n<h3>&#x1f331; \u903b\u8f91\u539f\u70b9&#xff1a;\u4e00\u4e2a\u65e0\u6cd5\u56de\u907f\u7684\u7269\u7406\u7ea6\u675f<\/h3>\n<h4>\u5047\u8bbe\u4f60\u7684\u670d\u52a1\u5668\u914d\u7f6e\u5982\u4e0b&#xff1a;<\/h4>\n<ul>\n<li>4 \u6838 CPU&#xff0c;\u6bcf\u6838\u7406\u8bba\u5cf0\u503c 1000 QPS<\/li>\n<li>\u5355\u8bf7\u6c42\u5e73\u5747\u8017\u65f6 10ms&#xff08;\u5176\u4e2d IO \u7b49\u5f85 8ms&#xff0c;CPU \u8ba1\u7b97 2ms&#xff09;<\/li>\n<\/ul>\n<h4>\u5f53\u5e76\u53d1\u4ece 100 QPS \u66b4\u6da8\u5230 10000 QPS \u65f6&#xff0c;\u8bf7\u95ee&#xff1a;<\/h4>\n<li>\n<p>\u7406\u8bba\u4e0a\u9650\u662f\u591a\u5c11&#xff1f;<br \/>\n4 \u6838 \u00d7 1000 QPS &#061; 4000 QPS&#xff08;\u524d\u63d0\u662f CPU 100% \u5229\u7528\u7387&#xff0c;\u65e0 IO \u7b49\u5f85&#xff09;<\/p>\n<\/li>\n<li>\n<p>\u4f20\u7edf&#034;\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b&#034;\u6a21\u578b\u7684\u4ee3\u4ef7&#xff1f;<\/p>\n<ul>\n<li>10000 \u4e2a\u7ebf\u7a0b \u00d7 2MB \u6808\u7a7a\u95f4 &#061; 20GB \u5185\u5b58<\/li>\n<li>\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6\u5f00\u9500&#xff1a;CPU \u5c06\u82b1\u8d39 70% \u65f6\u95f4\u5728\u4e0a\u4e0b\u6587\u5207\u6362&#xff0c;\u800c\u975e\u5904\u7406\u8bf7\u6c42<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7269\u7406\u6096\u8bba&#xff1a;<br \/>\n\u5f53\u67d0\u4e2a\u7ebf\u7a0b\u5728\u7b49\u5f85\u6570\u636e\u5e93\u54cd\u5e94&#xff08;8ms IO \u963b\u585e&#xff09;\u65f6&#xff0c;CPU \u5e94\u8be5&#034;\u50bb\u7b49&#034;\u8fd8\u662f&#034;\u53bb\u670d\u52a1\u5176\u4ed6\u8bf7\u6c42&#034;&#xff1f;<\/p>\n<\/li>\n<p>\u8fd9\u4e0d\u662f\u4ee3\u7801\u95ee\u9898&#xff0c;\u800c\u662f\u8c03\u5ea6\u95ee\u9898&#xff1a; \u5982\u4f55\u5728&#034;\u6709\u9650\u7684\u7269\u7406\u8d44\u6e90&#034;\u4e0a&#xff0c;\u6700\u5927\u5316\u5e76\u53d1\u541e\u5410\u91cf&#xff1f;\u7b54\u6848\u662f&#xff1a;\u8ba9\u591a\u4e2a\u89d2\u8272\u7cbe\u5bc6\u534f\u4f5c\u3002<\/p>\n<hr \/>\n<h3>&#x1f9e0; \u82cf\u683c\u62c9\u5e95\u5f0f\u5bf9\u8bdd&#xff1a;\u9010\u5c42\u62c6\u89e3\u95ee\u9898<\/h3>\n<h4>\u7b2c\u4e00\u5c42&#xff1a;\u6700\u539f\u59cb\u7684\u89e3\u6cd5\u662f\u4ec0\u4e48&#xff1f;<\/h4>\n<p>\u6734\u7d20\u65b9\u6848&#xff1a;Thread-per-Request<\/p>\n<p><span class=\"token comment\">\/\/ \u6700\u539f\u59cb\u7684 HTTP \u670d\u52a1\u5668<\/span><br \/>\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    conn <span class=\"token operator\">:&#061;<\/span> listener<span class=\"token punctuation\">.<\/span><span class=\"token function\">Accept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">go<\/span> <span class=\"token function\">handleRequest<\/span><span class=\"token punctuation\">(<\/span>conn<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u6bcf\u4e2a\u8bf7\u6c42\u4e00\u4e2a goroutine<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u770b\u4f3c\u5b8c\u7f8e&#xff1f; \u4f46\u5f53\u5e76\u53d1\u8fbe\u5230 10 \u4e07\u65f6&#xff1a;<\/p>\n<ul>\n<li>\u6bcf\u4e2a\u7ebf\u7a0b\u81f3\u5c11\u5360\u7528 2MB \u6808\u7a7a\u95f4 \u2192 200GB \u5185\u5b58<\/li>\n<li>\u7ebf\u7a0b\u4e0a\u4e0b\u6587\u5207\u6362\u6210\u672c \u2192 CPU \u82b1 90% \u65f6\u95f4\u5728\u5207\u6362&#xff0c;\u53ea\u6709 10% \u5728\u5904\u7406\u8bf7\u6c42<\/li>\n<\/ul>\n<p>\u7269\u7406\u74f6\u9888\u66b4\u9732&#xff1a; \u7ebf\u7a0b\u662f\u6602\u8d35\u7684\u7cfb\u7edf\u8d44\u6e90&#xff0c;\u4e0d\u80fd\u65e0\u9650\u521b\u5efa\u3002<\/p>\n<hr \/>\n<h4>\u7b2c\u4e8c\u5c42&#xff1a;\u5f53\u89c4\u6a21\u6269\u5927 100 \u500d&#xff0c;\u7cfb\u7edf\u5728\u54ea\u91cc\u5d29\u6e83&#xff1f;<\/h4>\n<p>\u6539\u8fdb\u65b9\u6848&#xff1a;\u5f15\u5165 Goroutine&#xff08;\u8f7b\u91cf\u7ea7\u7ebf\u7a0b&#xff09;<\/p>\n<p><span class=\"token comment\">\/\/ Go \u7684\u6539\u8fdb\u7248<\/span><br \/>\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    conn <span class=\"token operator\">:&#061;<\/span> listener<span class=\"token punctuation\">.<\/span><span class=\"token function\">Accept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">go<\/span> <span class=\"token function\">handleRequest<\/span><span class=\"token punctuation\">(<\/span>conn<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u521d\u59cb\u6808\u53ea\u6709 2KB<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u65b0\u95ee\u9898\u6765\u4e86&#xff1a;<\/p>\n<li>\n<p>10 \u4e07\u4e2a goroutine \u5982\u4f55&#034;\u516c\u5e73\u5730&#034;\u5171\u4eab 4 \u4e2a CPU \u6838\u5fc3&#xff1f;<br \/>\n\u2192 \u9700\u8981\u4e00\u4e2a \u8c03\u5ea6\u5668 \u6765\u5206\u914d CPU \u65f6\u95f4\u7247\u3002<\/p>\n<\/li>\n<li>\n<p>\u5f53\u67d0\u4e2a goroutine \u8bfb\u53d6\u6570\u636e\u5e93\u65f6&#xff08;\u963b\u585e 8ms&#xff09;&#xff0c;\u5982\u4f55\u8ba9 CPU \u4e0d\u6d6a\u8d39&#xff1f;<br \/>\n\u2192 \u9700\u8981 \u975e\u963b\u585e IO &#043; \u4e8b\u4ef6\u5faa\u73af \u673a\u5236\u3002<\/p>\n<\/li>\n<li>\n<p>\u591a\u4e2a goroutine \u540c\u65f6\u4fee\u6539\u540c\u4e00\u4e2a\u8ba1\u6570\u5668\u600e\u4e48\u529e&#xff1f;<br \/>\n\u2192 \u9700\u8981 \u540c\u6b65\u539f\u8bed&#xff08;\u9501\u3001Channel\u3001\u539f\u5b50\u64cd\u4f5c&#xff09;\u3002<\/p>\n<\/li>\n<p>\u5d29\u6e83\u70b9&#xff1a; \u7f3a\u5c11\u4e00\u4e2a&#034;\u4e2d\u592e\u534f\u8c03\u673a\u5236&#034;\u6765\u7ba1\u7406\u89d2\u8272\u534f\u4f5c\u3002<\/p>\n<hr \/>\n<h4>\u7b2c\u4e09\u5c42&#xff1a;\u4e3a\u4e86\u4fee\u8865\u5d29\u6e83\u70b9&#xff0c;\u6211\u4eec\u5fc5\u987b\u5f15\u5165\u4ec0\u4e48\u65b0\u7ef4\u5ea6&#xff1f;<\/h4>\n<p>\u7b54\u6848&#xff1a; \u4e00\u4e2a\u5b8c\u6574\u7684&#034;\u534f\u4f5c\u7cfb\u7edf&#034;&#xff0c;\u5305\u542b\u4ee5\u4e0b\u89d2\u8272&#xff1a;<\/p>\n<table>\n<tr>\u89d2\u8272\u804c\u8d23Go \u7684\u5b9e\u73b0<\/tr>\n<tbody>\n<tr>\n<td>\u4efb\u52a1\u751f\u4ea7\u8005<\/td>\n<td>\u521b\u5efa\u5e76\u53d1\u4efb\u52a1<\/td>\n<td>go func()<\/td>\n<\/tr>\n<tr>\n<td>\u4efb\u52a1\u8c03\u5ea6\u5668<\/td>\n<td>\u5206\u914d CPU \u65f6\u95f4\u7247<\/td>\n<td>GMP \u8c03\u5ea6\u5668&#xff08;G&#061;Goroutine, M&#061;\u7ebf\u7a0b, P&#061;\u5904\u7406\u5668&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u540c\u6b65\u534f\u8c03\u8005<\/td>\n<td>\u9632\u6b62\u6570\u636e\u7ade\u4e89<\/td>\n<td>sync.Mutex, sync.RWMutex, atomic<\/td>\n<\/tr>\n<tr>\n<td>\u6d88\u606f\u4f20\u9012\u8005<\/td>\n<td>\u5b89\u5168\u5730\u5728\u4efb\u52a1\u95f4\u901a\u4fe1<\/td>\n<td>channel<\/td>\n<\/tr>\n<tr>\n<td>\u8d44\u6e90\u6c60\u7ba1\u7406\u8005<\/td>\n<td>\u9650\u5236\u5e76\u53d1\u6570\u91cf<\/td>\n<td>sync.WaitGroup, context.Context<\/td>\n<\/tr>\n<tr>\n<td>\u9519\u8bef\u5904\u7406\u8005<\/td>\n<td>\u8d85\u65f6\u3001\u964d\u7ea7\u3001\u7194\u65ad<\/td>\n<td>context.WithTimeout, errgroup<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>&#x1f4ca; \u89c6\u89c9\u9aa8\u67b6&#xff1a;Go HTTP \u670d\u52a1\u5668\u7684\u591a\u89d2\u8272\u534f\u4f5c<\/h3>\n<h4>\u573a\u666f&#xff1a;\u4e00\u4e2a\u771f\u5b9e\u7684\u751f\u4ea7\u7ea7 HTTP \u670d\u52a1\u5668<\/h4>\n<p>\u26a0\ufe0f \u9519\u8bef\u5904\u7406\u5668&#x1f4be; \u6570\u636e\u5e93\u8fde\u63a5\u6c60&#x1f527; Goroutine\u2699\ufe0f GMP \u8c03\u5ea6\u5668&#x1f6a6; \u9650\u6d41\u5668(Channel)&#x1f3a7; Listener&#x1f310; \u5ba2\u6237\u7aef\u26a0\ufe0f \u9519\u8bef\u5904\u7406\u5668&#x1f4be; \u6570\u636e\u5e93\u8fde\u63a5\u6c60&#x1f527; Goroutine\u2699\ufe0f GMP \u8c03\u5ea6\u5668&#x1f6a6; \u9650\u6d41\u5668(Channel)&#x1f3a7; Listener&#x1f310; \u5ba2\u6237\u7aef#mermaid-svg-XbwGOajExvzhuKvQ{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#mermaid-svg-XbwGOajExvzhuKvQ .edge-animation-slow{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 50s linear infinite;stroke-linecap:round;}#mermaid-svg-XbwGOajExvzhuKvQ .edge-animation-fast{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 20s linear infinite;stroke-linecap:round;}#mermaid-svg-XbwGOajExvzhuKvQ .error-icon{fill:#552222;}#mermaid-svg-XbwGOajExvzhuKvQ .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-XbwGOajExvzhuKvQ .edge-thickness-normal{stroke-width:1px;}#mermaid-svg-XbwGOajExvzhuKvQ .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-XbwGOajExvzhuKvQ .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-XbwGOajExvzhuKvQ .edge-thickness-invisible{stroke-width:0;fill:none;}#mermaid-svg-XbwGOajExvzhuKvQ .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-XbwGOajExvzhuKvQ .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-XbwGOajExvzhuKvQ .marker{fill:#333333;stroke:#333333;}#mermaid-svg-XbwGOajExvzhuKvQ .marker.cross{stroke:#333333;}#mermaid-svg-XbwGOajExvzhuKvQ svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-XbwGOajExvzhuKvQ p{margin:0;}#mermaid-svg-XbwGOajExvzhuKvQ .actor{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-XbwGOajExvzhuKvQ text.actor&gt;tspan{fill:black;stroke:none;}#mermaid-svg-XbwGOajExvzhuKvQ .actor-line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);}#mermaid-svg-XbwGOajExvzhuKvQ .innerArc{stroke-width:1.5;stroke-dasharray:none;}#mermaid-svg-XbwGOajExvzhuKvQ .messageLine0{stroke-width:1.5;stroke-dasharray:none;stroke:#333;}#mermaid-svg-XbwGOajExvzhuKvQ .messageLine1{stroke-width:1.5;stroke-dasharray:2,2;stroke:#333;}#mermaid-svg-XbwGOajExvzhuKvQ #arrowhead path{fill:#333;stroke:#333;}#mermaid-svg-XbwGOajExvzhuKvQ .sequenceNumber{fill:white;}#mermaid-svg-XbwGOajExvzhuKvQ #sequencenumber{fill:#333;}#mermaid-svg-XbwGOajExvzhuKvQ #crosshead path{fill:#333;stroke:#333;}#mermaid-svg-XbwGOajExvzhuKvQ .messageText{fill:#333;stroke:none;}#mermaid-svg-XbwGOajExvzhuKvQ .labelBox{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-XbwGOajExvzhuKvQ .labelText,#mermaid-svg-XbwGOajExvzhuKvQ .labelText&gt;tspan{fill:black;stroke:none;}#mermaid-svg-XbwGOajExvzhuKvQ .loopText,#mermaid-svg-XbwGOajExvzhuKvQ .loopText&gt;tspan{fill:black;stroke:none;}#mermaid-svg-XbwGOajExvzhuKvQ .loopLine{stroke-width:2px;stroke-dasharray:2,2;stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);}#mermaid-svg-XbwGOajExvzhuKvQ .note{stroke:#aaaa33;fill:#fff5ad;}#mermaid-svg-XbwGOajExvzhuKvQ .noteText,#mermaid-svg-XbwGOajExvzhuKvQ .noteText&gt;tspan{fill:black;stroke:none;}#mermaid-svg-XbwGOajExvzhuKvQ .activation0{fill:#f4f4f4;stroke:#666;}#mermaid-svg-XbwGOajExvzhuKvQ .activation1{fill:#f4f4f4;stroke:#666;}#mermaid-svg-XbwGOajExvzhuKvQ .activation2{fill:#f4f4f4;stroke:#666;}#mermaid-svg-XbwGOajExvzhuKvQ .actorPopupMenu{position:absolute;}#mermaid-svg-XbwGOajExvzhuKvQ .actorPopupMenuPanel{position:absolute;fill:#ECECFF;box-shadow:0px 8px 16px 0px rgba(0,0,0,0.2);filter:drop-shadow(3px 5px 2px rgb(0 0 0 \/ 0.4));}#mermaid-svg-XbwGOajExvzhuKvQ .actor-man line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-XbwGOajExvzhuKvQ .actor-man circle,#mermaid-svg-XbwGOajExvzhuKvQ line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;stroke-width:2px;}#mermaid-svg-XbwGOajExvzhuKvQ :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}Worker \u963b\u585e\u5728 IO \u65f6Scheduler \u81ea\u52a8\u5207\u6362\u5230\u5176\u4ed6 Goroutinealt[\u8fde\u63a5\u6c60\u5df2\u6ee1][\u8fde\u63a5\u6210\u529f]alt[\u9650\u6d41\u901a\u8fc7][\u8d85\u8fc7\u9650\u6d41\u9608\u503c]HTTP \u8bf7\u6c42\u5c1d\u8bd5\u83b7\u53d6\u4ee4\u724c\u653e\u884c\u521b\u5efa Goroutine\u8c03\u5ea6\u5230 M(\u7ebf\u7a0b)\u8bf7\u6c42\u8fde\u63a5\u8d85\u65f6\u9519\u8bef\u8bb0\u5f55\u9519\u8bef &#043; \u964d\u7ea7503 &#043; Retry-After\u8fd4\u56de\u6570\u636e\u91cd\u65b0\u8c03\u5ea6200 OK429 Too Many Requests<\/p>\n<hr \/>\n<h4>\u5173\u952e\u534f\u4f5c\u70b9\u6df1\u5ea6\u89e3\u6790<\/h4>\n<h5>1. Listener \u4e0e Scheduler \u7684\u534f\u4f5c&#xff1a;\u804c\u8d23\u5206\u79bb<\/h5>\n<p><span class=\"token comment\">\/\/ net\/http\/server.go (\u7b80\u5316\u7248)<\/span><br \/>\n<span class=\"token keyword\">func<\/span> <span class=\"token punctuation\">(<\/span>srv <span class=\"token operator\">*<\/span>Server<span class=\"token punctuation\">)<\/span> <span class=\"token function\">Serve<\/span><span class=\"token punctuation\">(<\/span>l net<span class=\"token punctuation\">.<\/span>Listener<span class=\"token punctuation\">)<\/span> <span class=\"token builtin\">error<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    ctx <span class=\"token operator\">:&#061;<\/span> context<span class=\"token punctuation\">.<\/span><span class=\"token function\">WithValue<\/span><span class=\"token punctuation\">(<\/span>baseCtx<span class=\"token punctuation\">,<\/span> ServerContextKey<span class=\"token punctuation\">,<\/span> srv<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        rw<span class=\"token punctuation\">,<\/span> err <span class=\"token operator\">:&#061;<\/span> l<span class=\"token punctuation\">.<\/span><span class=\"token function\">Accept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u89d2\u82721: \u53ea\u8d1f\u8d23\u63a5\u6536\u8fde\u63a5<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> err <span class=\"token operator\">!&#061;<\/span> <span class=\"token boolean\">nil<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">select<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> <span class=\"token operator\">&lt;-<\/span>srv<span class=\"token punctuation\">.<\/span><span class=\"token function\">getDoneChan<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span>  <span class=\"token comment\">\/\/ \u4f18\u96c5\u5173\u95ed\u4fe1\u53f7<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> ErrServerClosed<br \/>\n            <span class=\"token keyword\">default<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">continue<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        c <span class=\"token operator\">:&#061;<\/span> srv<span class=\"token punctuation\">.<\/span><span class=\"token function\">newConn<\/span><span class=\"token punctuation\">(<\/span>rw<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">go<\/span> c<span class=\"token punctuation\">.<\/span><span class=\"token function\">serve<\/span><span class=\"token punctuation\">(<\/span>ctx<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u89d2\u82722: \u628a\u4efb\u52a1\u63d0\u4ea4\u7ed9\u8c03\u5ea6\u5668<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8bbe\u8ba1\u54f2\u5b66&#xff1a; Listener \u4e0d\u5173\u5fc3&#034;\u5982\u4f55\u8c03\u5ea6&#034;&#xff0c;Scheduler \u4e0d\u5173\u5fc3&#034;\u5982\u4f55\u63a5\u6536\u8fde\u63a5&#034;\u3002<\/p>\n<hr \/>\n<h5>2. GMP \u8c03\u5ea6\u5668&#xff1a;\u975e\u963b\u585e IO \u7684\u9b54\u6cd5<\/h5>\n<p><span class=\"token comment\">\/\/ runtime\/proc.go (\u4f2a\u4ee3\u7801)<\/span><br \/>\n<span class=\"token keyword\">func<\/span> <span class=\"token function\">schedule<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        gp <span class=\"token operator\">:&#061;<\/span> <span class=\"token function\">findRunnableGoroutine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u627e\u5230\u53ef\u8fd0\u884c\u7684 goroutine<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> gp<span class=\"token punctuation\">.<\/span><span class=\"token function\">isBlockedOnIO<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u628a goroutine \u4ece M(\u7ebf\u7a0b) \u4e0a\u6458\u4e0b\u6765<\/span><br \/>\n            <span class=\"token function\">detachFromM<\/span><span class=\"token punctuation\">(<\/span>gp<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8ba9 M \u53bb\u6267\u884c\u5176\u4ed6 goroutine<\/span><br \/>\n            <span class=\"token keyword\">continue<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token function\">execute<\/span><span class=\"token punctuation\">(<\/span>gp<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u5728 M \u4e0a\u6267\u884c goroutine<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5173\u952e\u673a\u5236&#xff1a;<\/p>\n<ul>\n<li>netpoller&#xff08;\u7f51\u7edc\u8f6e\u8be2\u5668&#xff09;&#xff1a; \u628a\u963b\u585e\u7684 socket \u64cd\u4f5c\u8f6c\u6362\u4e3a\u4e8b\u4ef6\u901a\u77e5<\/li>\n<li>\u534f\u4f5c\u5f0f\u8c03\u5ea6&#xff1a; goroutine \u4e3b\u52a8\u8ba9\u51fa CPU&#xff08;\u800c\u975e\u62a2\u5360\u5f0f&#xff09;<\/li>\n<\/ul>\n<hr \/>\n<h5>3. Channel \u4f5c\u4e3a\u9650\u6d41\u5668&#xff1a;\u4fe1\u53f7\u91cf\u7684\u4f18\u96c5\u5b9e\u73b0<\/h5>\n<p><span class=\"token keyword\">var<\/span> rateLimiter <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">make<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">chan<\/span> <span class=\"token keyword\">struct<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u6700\u591a 100 \u5e76\u53d1<\/span><\/p>\n<p><span class=\"token keyword\">func<\/span> <span class=\"token function\">handleConnection<\/span><span class=\"token punctuation\">(<\/span>conn net<span class=\"token punctuation\">.<\/span>Conn<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">select<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">case<\/span> rateLimiter <span class=\"token operator\">&lt;-<\/span> <span class=\"token keyword\">struct<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">:<\/span>  <span class=\"token comment\">\/\/ \u83b7\u53d6\u4ee4\u724c&#xff08;\u963b\u585e&#xff09;<\/span><br \/>\n        <span class=\"token keyword\">defer<\/span> <span class=\"token keyword\">func<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token operator\">&lt;-<\/span>rateLimiter <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u91ca\u653e\u4ee4\u724c<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5904\u7406\u8bf7\u6c42&#8230;<\/span><br \/>\n    <span class=\"token keyword\">case<\/span> <span class=\"token operator\">&lt;-<\/span>time<span class=\"token punctuation\">.<\/span><span class=\"token function\">After<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">5<\/span> <span class=\"token operator\">*<\/span> time<span class=\"token punctuation\">.<\/span>Second<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        conn<span class=\"token punctuation\">.<\/span><span class=\"token function\">Write<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token function\">byte<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;HTTP\/1.1 503 Service Unavailable\\\\r\\\\n\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u672c\u8d28&#xff1a; Channel \u65e2\u662f&#034;\u6d88\u606f\u961f\u5217&#034;&#xff0c;\u4e5f\u662f&#034;\u4fe1\u53f7\u91cf&#034;\u3002<\/p>\n<hr \/>\n<h5>4. \u6570\u636e\u5e93\u8fde\u63a5\u6c60&#xff1a;\u5b8c\u6574\u7684\u8d85\u65f6\u4e0e\u91cd\u8bd5\u673a\u5236<\/h5>\n<p><span class=\"token keyword\">type<\/span> Pool <span class=\"token keyword\">struct<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    mu       sync<span class=\"token punctuation\">.<\/span>Mutex<br \/>\n    conns    <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">*<\/span>sql<span class=\"token punctuation\">.<\/span>Conn<br \/>\n    maxConns <span class=\"token builtin\">int<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">func<\/span> <span class=\"token punctuation\">(<\/span>p <span class=\"token operator\">*<\/span>Pool<span class=\"token punctuation\">)<\/span> <span class=\"token function\">Get<\/span><span class=\"token punctuation\">(<\/span>ctx context<span class=\"token punctuation\">.<\/span>Context<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>sql<span class=\"token punctuation\">.<\/span>Conn<span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">error<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    deadline<span class=\"token punctuation\">,<\/span> ok <span class=\"token operator\">:&#061;<\/span> ctx<span class=\"token punctuation\">.<\/span><span class=\"token function\">Deadline<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token operator\">!<\/span>ok <span class=\"token punctuation\">{<\/span><br \/>\n        deadline <span class=\"token operator\">&#061;<\/span> time<span class=\"token punctuation\">.<\/span><span class=\"token function\">Now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">Add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">30<\/span> <span class=\"token operator\">*<\/span> time<span class=\"token punctuation\">.<\/span>Second<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    timer <span class=\"token operator\">:&#061;<\/span> time<span class=\"token punctuation\">.<\/span><span class=\"token function\">NewTimer<\/span><span class=\"token punctuation\">(<\/span>time<span class=\"token punctuation\">.<\/span><span class=\"token function\">Until<\/span><span class=\"token punctuation\">(<\/span>deadline<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">defer<\/span> timer<span class=\"token punctuation\">.<\/span><span class=\"token function\">Stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        p<span class=\"token punctuation\">.<\/span>mu<span class=\"token punctuation\">.<\/span><span class=\"token function\">Lock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>p<span class=\"token punctuation\">.<\/span>conns<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            conn <span class=\"token operator\">:&#061;<\/span> p<span class=\"token punctuation\">.<\/span>conns<span class=\"token punctuation\">[<\/span><span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>p<span class=\"token punctuation\">.<\/span>conns<span class=\"token punctuation\">)<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><br \/>\n            p<span class=\"token punctuation\">.<\/span>conns <span class=\"token operator\">&#061;<\/span> p<span class=\"token punctuation\">.<\/span>conns<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>p<span class=\"token punctuation\">.<\/span>conns<span class=\"token punctuation\">)<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><br \/>\n            p<span class=\"token punctuation\">.<\/span>mu<span class=\"token punctuation\">.<\/span><span class=\"token function\">Unlock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> conn<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">nil<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        p<span class=\"token punctuation\">.<\/span>mu<span class=\"token punctuation\">.<\/span><span class=\"token function\">Unlock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">select<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> <span class=\"token operator\">&lt;-<\/span>timer<span class=\"token punctuation\">.<\/span>C<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">nil<\/span><span class=\"token punctuation\">,<\/span> ErrTimeout<br \/>\n        <span class=\"token keyword\">case<\/span> <span class=\"token operator\">&lt;-<\/span>time<span class=\"token punctuation\">.<\/span><span class=\"token function\">After<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span> <span class=\"token operator\">*<\/span> time<span class=\"token punctuation\">.<\/span>Millisecond<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u91cd\u8bd5<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u751f\u4ea7\u7ec6\u8282&#xff1a; \u5fc5\u987b\u5904\u7406&#034;\u8d85\u65f6\u3001\u91cd\u8bd5\u3001\u8d44\u6e90\u6cc4\u6f0f&#034;\u95ee\u9898\u3002<\/p>\n<hr \/>\n<h3>\u2696\ufe0f \u6743\u8861\u6a21\u578b&#xff1a;\u5b9e\u6d4b\u6570\u636e\u8bf4\u8bdd<\/h3>\n<h4>Benchmark&#xff1a;10000 \u6b21\u5e76\u53d1\u5199\u5165\u540c\u4e00\u4e2a\u8ba1\u6570\u5668<\/h4>\n<table>\n<tr>\u540c\u6b65\u65b9\u5f0f\u5ef6\u8fdf P50\u5ef6\u8fdf P99\u541e\u5410\u91cf\u4ee3\u7801\u590d\u6742\u5ea6<\/tr>\n<tbody>\n<tr>\n<td>atomic.AddInt64<\/td>\n<td>5ns<\/td>\n<td>12ns<\/td>\n<td>200M ops\/s<\/td>\n<td>\u2b50 (1\u884c)<\/td>\n<\/tr>\n<tr>\n<td>sync.Mutex<\/td>\n<td>25ns<\/td>\n<td>100ns<\/td>\n<td>40M ops\/s<\/td>\n<td>\u2b50\u2b50 (5\u884c)<\/td>\n<\/tr>\n<tr>\n<td>channel(\u65e0\u7f13\u51b2)<\/td>\n<td>150ns<\/td>\n<td>500ns<\/td>\n<td>6M ops\/s<\/td>\n<td>\u2b50\u2b50\u2b50 (10\u884c)<\/td>\n<\/tr>\n<tr>\n<td>channel(\u7f13\u51b21000)<\/td>\n<td>80ns<\/td>\n<td>300ns<\/td>\n<td>12M ops\/s<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50 (15\u884c)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u9009\u62e9\u51b3\u7b56\u6811<\/h4>\n<p>#mermaid-svg-IsGMdKC4WmwBgf8R{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#mermaid-svg-IsGMdKC4WmwBgf8R .edge-animation-slow{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 50s linear infinite;stroke-linecap:round;}#mermaid-svg-IsGMdKC4WmwBgf8R .edge-animation-fast{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 20s linear infinite;stroke-linecap:round;}#mermaid-svg-IsGMdKC4WmwBgf8R .error-icon{fill:#552222;}#mermaid-svg-IsGMdKC4WmwBgf8R .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-IsGMdKC4WmwBgf8R .edge-thickness-normal{stroke-width:1px;}#mermaid-svg-IsGMdKC4WmwBgf8R .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-IsGMdKC4WmwBgf8R .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-IsGMdKC4WmwBgf8R .edge-thickness-invisible{stroke-width:0;fill:none;}#mermaid-svg-IsGMdKC4WmwBgf8R .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-IsGMdKC4WmwBgf8R .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-IsGMdKC4WmwBgf8R .marker{fill:#333333;stroke:#333333;}#mermaid-svg-IsGMdKC4WmwBgf8R .marker.cross{stroke:#333333;}#mermaid-svg-IsGMdKC4WmwBgf8R svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-IsGMdKC4WmwBgf8R p{margin:0;}#mermaid-svg-IsGMdKC4WmwBgf8R .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-IsGMdKC4WmwBgf8R .cluster-label text{fill:#333;}#mermaid-svg-IsGMdKC4WmwBgf8R .cluster-label span{color:#333;}#mermaid-svg-IsGMdKC4WmwBgf8R .cluster-label span p{background-color:transparent;}#mermaid-svg-IsGMdKC4WmwBgf8R .label text,#mermaid-svg-IsGMdKC4WmwBgf8R span{fill:#333;color:#333;}#mermaid-svg-IsGMdKC4WmwBgf8R .node rect,#mermaid-svg-IsGMdKC4WmwBgf8R .node circle,#mermaid-svg-IsGMdKC4WmwBgf8R .node ellipse,#mermaid-svg-IsGMdKC4WmwBgf8R .node polygon,#mermaid-svg-IsGMdKC4WmwBgf8R .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-IsGMdKC4WmwBgf8R .rough-node .label text,#mermaid-svg-IsGMdKC4WmwBgf8R .node .label text,#mermaid-svg-IsGMdKC4WmwBgf8R .image-shape .label,#mermaid-svg-IsGMdKC4WmwBgf8R .icon-shape .label{text-anchor:middle;}#mermaid-svg-IsGMdKC4WmwBgf8R .node .katex path{fill:#000;stroke:#000;stroke-width:1px;}#mermaid-svg-IsGMdKC4WmwBgf8R .rough-node .label,#mermaid-svg-IsGMdKC4WmwBgf8R .node .label,#mermaid-svg-IsGMdKC4WmwBgf8R .image-shape .label,#mermaid-svg-IsGMdKC4WmwBgf8R .icon-shape .label{text-align:center;}#mermaid-svg-IsGMdKC4WmwBgf8R .node.clickable{cursor:pointer;}#mermaid-svg-IsGMdKC4WmwBgf8R .root .anchor path{fill:#333333!important;stroke-width:0;stroke:#333333;}#mermaid-svg-IsGMdKC4WmwBgf8R .arrowheadPath{fill:#333333;}#mermaid-svg-IsGMdKC4WmwBgf8R .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-IsGMdKC4WmwBgf8R .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-IsGMdKC4WmwBgf8R .edgeLabel{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-IsGMdKC4WmwBgf8R .edgeLabel p{background-color:rgba(232,232,232, 0.8);}#mermaid-svg-IsGMdKC4WmwBgf8R .edgeLabel rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-IsGMdKC4WmwBgf8R .labelBkg{background-color:rgba(232, 232, 232, 0.5);}#mermaid-svg-IsGMdKC4WmwBgf8R .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-IsGMdKC4WmwBgf8R .cluster text{fill:#333;}#mermaid-svg-IsGMdKC4WmwBgf8R .cluster span{color:#333;}#mermaid-svg-IsGMdKC4WmwBgf8R div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-IsGMdKC4WmwBgf8R .flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-IsGMdKC4WmwBgf8R rect.text{fill:none;stroke-width:0;}#mermaid-svg-IsGMdKC4WmwBgf8R .icon-shape,#mermaid-svg-IsGMdKC4WmwBgf8R .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-IsGMdKC4WmwBgf8R .icon-shape p,#mermaid-svg-IsGMdKC4WmwBgf8R .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-IsGMdKC4WmwBgf8R .icon-shape rect,#mermaid-svg-IsGMdKC4WmwBgf8R .image-shape rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-IsGMdKC4WmwBgf8R .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-IsGMdKC4WmwBgf8R .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-IsGMdKC4WmwBgf8R :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u662f<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u5426<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u662f<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u662f<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u5426<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u662f<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u5426<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u5426<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u662f<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u5426<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u5e76\u53d1\u9700\u6c42<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u9700\u8981\u901a\u4fe1?<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>Channel<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u9700\u8981\u5171\u4eab\u72b6\u6001?<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u8bfb\u591a\u5199\u5c11?<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>sync.RWMutex<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u53ea\u662f\u8ba1\u6570?<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>atomic<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>sync.Mutex<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u72ec\u7acb Goroutine<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u9700\u8981\u9650\u6d41?<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u5e26\u7f13\u51b2 Channel<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u65e0\u7f13\u51b2 Channel<\/p>\n<p><\/span><\/p>\n<p>\u516c\u5f0f\u5316\u603b\u7ed3&#xff1a;<\/p>\n<p>Goroutine \u6a21\u578b &#061;<br \/>\n    \u89e3\u51b3\u4e86 [\u7ebf\u7a0b\u5f00\u9500\u5de8\u5927]<br \/>\n  &#043; \u727a\u7272\u4e86 [\u7ec6\u7c92\u5ea6\u8c03\u5ea6\u63a7\u5236]<br \/>\n  &#043; \u589e\u52a0\u4e86 [GC \u7684\u590d\u6742\u5ea6]<\/p>\n<p>Channel \u6a21\u5f0f &#061;<br \/>\n    \u89e3\u51b3\u4e86 [\u5171\u4eab\u5185\u5b58\u7684\u6570\u636e\u7ade\u4e89]<br \/>\n  &#043; \u727a\u7272\u4e86 [\u6027\u80fd&#xff08;\u76f8\u6bd4 atomic&#xff09;]<br \/>\n  &#043; \u589e\u52a0\u4e86 [\u6b7b\u9501\u98ce\u9669]<\/p>\n<hr \/>\n<h3>\u26a0\ufe0f \u5e38\u89c1\u53cd\u6a21\u5f0f\u8b66\u793a<\/h3>\n<h4>1. Goroutine \u6cc4\u6f0f<\/h4>\n<p>\u95ee\u9898\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token keyword\">func<\/span> <span class=\"token function\">handleRequest<\/span><span class=\"token punctuation\">(<\/span>w http<span class=\"token punctuation\">.<\/span>ResponseWriter<span class=\"token punctuation\">,<\/span> r <span class=\"token operator\">*<\/span>http<span class=\"token punctuation\">.<\/span>Request<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">go<\/span> <span class=\"token keyword\">func<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        time<span class=\"token punctuation\">.<\/span><span class=\"token function\">Sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span> <span class=\"token operator\">*<\/span> time<span class=\"token punctuation\">.<\/span>Second<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u6c38\u8fdc\u4e0d\u4f1a\u88ab\u53d6\u6d88<\/span><br \/>\n        <span class=\"token comment\">\/\/ &#8230;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4fee\u590d&#xff1a;<\/p>\n<p><span class=\"token keyword\">func<\/span> <span class=\"token function\">handleRequest<\/span><span class=\"token punctuation\">(<\/span>w http<span class=\"token punctuation\">.<\/span>ResponseWriter<span class=\"token punctuation\">,<\/span> r <span class=\"token operator\">*<\/span>http<span class=\"token punctuation\">.<\/span>Request<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    ctx <span class=\"token operator\">:&#061;<\/span> r<span class=\"token punctuation\">.<\/span><span class=\"token function\">Context<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">go<\/span> <span class=\"token keyword\">func<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">select<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> <span class=\"token operator\">&lt;-<\/span>time<span class=\"token punctuation\">.<\/span><span class=\"token function\">After<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span> <span class=\"token operator\">*<\/span> time<span class=\"token punctuation\">.<\/span>Second<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token comment\">\/\/ &#8230;<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> <span class=\"token operator\">&lt;-<\/span>ctx<span class=\"token punctuation\">.<\/span><span class=\"token function\">Done<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span>  <span class=\"token comment\">\/\/ \u8bf7\u6c42\u53d6\u6d88\u65f6\u9000\u51fa<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h4>2. Channel \u6b7b\u9501<\/h4>\n<p>\u7ecf\u5178\u9519\u8bef&#xff1a;<\/p>\n<p>ch <span class=\"token operator\">:&#061;<\/span> <span class=\"token function\">make<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">chan<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">)<\/span><br \/>\nch <span class=\"token operator\">&lt;-<\/span> <span class=\"token number\">1<\/span>  <span class=\"token comment\">\/\/ \u6b7b\u9501&#xff1a;\u6ca1\u6709\u63a5\u6536\u8005<\/span><\/p>\n<p>\u4fee\u590d&#xff1a;<\/p>\n<p>ch <span class=\"token operator\">:&#061;<\/span> <span class=\"token function\">make<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">chan<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u4f7f\u7528\u7f13\u51b2 channel<\/span><br \/>\nch <span class=\"token operator\">&lt;-<\/span> <span class=\"token number\">1<\/span><\/p>\n<hr \/>\n<h4>3. \u8fc7\u5ea6\u4f7f\u7528 Mutex<\/h4>\n<p>\u95ee\u9898&#xff1a; \u7528\u5168\u5c40\u9501\u4fdd\u62a4\u6574\u4e2a HTTP handler<\/p>\n<p><span class=\"token keyword\">var<\/span> mu sync<span class=\"token punctuation\">.<\/span>Mutex<br \/>\n<span class=\"token keyword\">var<\/span> counter <span class=\"token builtin\">int<\/span><\/p>\n<p><span class=\"token keyword\">func<\/span> <span class=\"token function\">handler<\/span><span class=\"token punctuation\">(<\/span>w http<span class=\"token punctuation\">.<\/span>ResponseWriter<span class=\"token punctuation\">,<\/span> r <span class=\"token operator\">*<\/span>http<span class=\"token punctuation\">.<\/span>Request<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    mu<span class=\"token punctuation\">.<\/span><span class=\"token function\">Lock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u6240\u6709\u8bf7\u6c42\u4e32\u884c\u5316&#xff01;<\/span><br \/>\n    <span class=\"token keyword\">defer<\/span> mu<span class=\"token punctuation\">.<\/span><span class=\"token function\">Unlock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    counter<span class=\"token operator\">&#043;&#043;<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8230;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u89e3\u51b3&#xff1a; \u7f29\u5c0f\u9501\u7c92\u5ea6&#xff0c;\u6216\u6539\u7528 atomic<\/p>\n<p><span class=\"token keyword\">var<\/span> counter <span class=\"token builtin\">int64<\/span><\/p>\n<p><span class=\"token keyword\">func<\/span> <span class=\"token function\">handler<\/span><span class=\"token punctuation\">(<\/span>w http<span class=\"token punctuation\">.<\/span>ResponseWriter<span class=\"token punctuation\">,<\/span> r <span class=\"token operator\">*<\/span>http<span class=\"token punctuation\">.<\/span>Request<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    atomic<span class=\"token punctuation\">.<\/span><span class=\"token function\">AddInt64<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>counter<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8230;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h3>&#x1f501; \u8bb0\u5fc6\u951a\u70b9&#xff1a;\u9ad8\u5e76\u53d1\u7684\u63a5\u53e3\u5b9a\u4e49<\/h3>\n<p><span class=\"token comment\">\/\/ \u9ad8\u5e76\u53d1\u7cfb\u7edf\u7684\u63a5\u53e3\u5951\u7ea6<\/span><br \/>\n<span class=\"token keyword\">type<\/span> ConcurrencySystem <span class=\"token keyword\">interface<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ Spawn \u542f\u52a8\u4e00\u4e2a\u72ec\u7acb\u4efb\u52a1<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; task: \u4efb\u52a1\u51fd\u6570&#xff08;\u5e94\u901a\u8fc7 context \u611f\u77e5\u53d6\u6d88&#xff09;<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; returns: \u53d6\u6d88\u51fd\u6570<\/span><br \/>\n    <span class=\"token function\">Spawn<\/span><span class=\"token punctuation\">(<\/span>task <span class=\"token keyword\">func<\/span><span class=\"token punctuation\">(<\/span>context<span class=\"token punctuation\">.<\/span>Context<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span>cancel <span class=\"token keyword\">func<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Acquire \u83b7\u53d6\u8d44\u6e90\u8bbf\u95ee\u6743\u9650&#xff08;\u4fe1\u53f7\u91cf&#xff09;<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; limit: \u6700\u5927\u5e76\u53d1\u6570<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; timeout: \u7b49\u5f85\u8d85\u65f6\u65f6\u95f4<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; returns: \u91ca\u653e\u51fd\u6570 &#043; \u9519\u8bef&#xff08;\u5982\u8d85\u65f6&#xff09;<\/span><br \/>\n    <span class=\"token function\">Acquire<\/span><span class=\"token punctuation\">(<\/span>limit <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> timeout time<span class=\"token punctuation\">.<\/span>Duration<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span>release <span class=\"token keyword\">func<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> err <span class=\"token builtin\">error<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Broadcast \u5411\u6240\u6709\u8ba2\u9605\u8005\u53d1\u9001\u6d88\u606f<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; event: \u4e8b\u4ef6\u6570\u636e<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; returns: \u6210\u529f\u63a5\u6536\u7684\u8ba2\u9605\u8005\u6570\u91cf<\/span><br \/>\n    <span class=\"token function\">Broadcast<\/span><span class=\"token punctuation\">(<\/span>event <span class=\"token keyword\">interface<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token builtin\">int<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Shutdown \u4f18\u96c5\u5173\u95ed<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; gracePeriod: \u7b49\u5f85\u4efb\u52a1\u5b8c\u6210\u7684\u65f6\u95f4<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; returns: \u5269\u4f59\u672a\u5b8c\u6210\u4efb\u52a1\u6570<\/span><br \/>\n    <span class=\"token function\">Shutdown<\/span><span class=\"token punctuation\">(<\/span>gracePeriod time<span class=\"token punctuation\">.<\/span>Duration<span class=\"token punctuation\">)<\/span> <span class=\"token builtin\">int<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h3>&#x1f3af; \u4e00\u53e5\u8bdd\u603b\u7ed3<\/h3>\n<p>\u9ad8\u5e76\u53d1 &#061; \u5728\u6709\u9650\u7684\u7269\u7406\u8d44\u6e90&#xff08;CPU\/\u5185\u5b58\/IO&#xff09;\u4e0b&#xff0c;\u901a\u8fc7\u591a\u4e2a\u89d2\u8272&#xff08;Scheduler\/Mutex\/Channel\/Context&#xff09;\u7684\u7cbe\u5bc6\u534f\u4f5c&#xff0c;\u5b9e\u73b0\u4efb\u52a1\u7684&#034;\u516c\u5e73\u8c03\u5ea6 &#043; \u5b89\u5168\u901a\u4fe1 &#043; \u4f18\u96c5\u964d\u7ea7&#034;\u3002<\/p>\n<h4>Demo \u7ea7\u4ee3\u7801 vs \u751f\u4ea7\u4ee3\u7801\u7684\u533a\u522b<\/h4>\n<table>\n<tr>Demo\u751f\u4ea7<\/tr>\n<tbody>\n<tr>\n<td>\u53ea\u6709 1-2 \u4e2a goroutine<\/td>\n<td>10&#043; \u89d2\u8272\u534f\u4f5c<\/td>\n<\/tr>\n<tr>\n<td>\u4e0d\u5904\u7406\u9519\u8bef<\/td>\n<td>Context \u8d85\u65f6 &#043; \u4f18\u96c5\u5173\u95ed<\/td>\n<\/tr>\n<tr>\n<td>\u65e0\u9650\u5236\u5e76\u53d1<\/td>\n<td>\u9650\u6d41\u5668 &#043; \u80cc\u538b\u673a\u5236<\/td>\n<\/tr>\n<tr>\n<td>\u76f4\u63a5 panic<\/td>\n<td>\u9519\u8bef\u4e0a\u62a5 &#043; \u7194\u65ad\u964d\u7ea7<\/td>\n<\/tr>\n<tr>\n<td>5 \u884c\u4ee3\u7801<\/td>\n<td>500 \u884c\u4ee3\u7801&#xff08;80% \u662f\u5f02\u5e38\u5904\u7406&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>&#x1f4a1; \u8de8\u8bed\u8a00\u7684\u542f\u793a<\/h3>\n<p>\u867d\u7136\u672c\u6587\u4ee5 Go \u4e3a\u4f8b&#xff0c;\u4f46\u5e95\u5c42\u903b\u8f91\u653e\u4e4b\u56db\u6d77\u800c\u7686\u51c6&#xff1a;<\/p>\n<ul>\n<li>Go: Goroutine &#043; Channel&#xff08;CSP \u6a21\u578b&#xff09;<\/li>\n<li>Rust: async\/await &#043; Future&#xff08;\u96f6\u6210\u672c\u62bd\u8c61&#xff09;<\/li>\n<li>Java: ThreadPool &#043; BlockingQueue&#xff08;\u4f20\u7edf\u5e76\u53d1&#xff09;<\/li>\n<li>Erlang: Actor \u6a21\u578b&#xff08;\u6d88\u606f\u4f20\u9012&#xff09;<\/li>\n<\/ul>\n<p>\u5b83\u4eec\u90fd\u5728\u89e3\u51b3\u540c\u4e00\u4e2a\u95ee\u9898&#xff1a;<\/p>\n<li>\u5b9a\u4e49\u89d2\u8272&#xff08;\u751f\u4ea7\u8005\/\u6d88\u8d39\u8005\/\u8c03\u5ea6\u5668\/\u770b\u95e8\u72d7&#xff09;<\/li>\n<li>\u8bbe\u8ba1\u534f\u4f5c\u534f\u8bae&#xff08;\u5171\u4eab\u5185\u5b58 or \u6d88\u606f\u4f20\u9012&#xff1f;&#xff09;<\/li>\n<li>\u5904\u7406\u5f02\u5e38\u60c5\u51b5&#xff08;\u8d85\u65f6\/\u6b7b\u9501\/\u8d44\u6e90\u8017\u5c3d&#xff09;<\/li>\n<p>\u6700\u540e&#xff0c;\u7528 Go HTTP \u7684\u542f\u52a8\u6d41\u7a0b\u4f53\u4f1a\u8fd9\u79cd&#034;\u534f\u4f5c\u4e4b\u7f8e&#034;&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ net\/http\/server.go (\u7b80\u5316\u7248)<\/span><br \/>\n<span class=\"token keyword\">func<\/span> <span class=\"token punctuation\">(<\/span>srv <span class=\"token operator\">*<\/span>Server<span class=\"token punctuation\">)<\/span> <span class=\"token function\">Serve<\/span><span class=\"token punctuation\">(<\/span>l net<span class=\"token punctuation\">.<\/span>Listener<span class=\"token punctuation\">)<\/span> <span class=\"token builtin\">error<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    ctx <span class=\"token operator\">:&#061;<\/span> context<span class=\"token punctuation\">.<\/span><span class=\"token function\">WithValue<\/span><span class=\"token punctuation\">(<\/span>baseCtx<span class=\"token punctuation\">,<\/span> ServerContextKey<span class=\"token punctuation\">,<\/span> srv<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        rw<span class=\"token punctuation\">,<\/span> err <span class=\"token operator\">:&#061;<\/span> l<span class=\"token punctuation\">.<\/span><span class=\"token function\">Accept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u89d2\u82721: \u63a5\u6536\u8fde\u63a5<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> err <span class=\"token operator\">!&#061;<\/span> <span class=\"token boolean\">nil<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">select<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> <span class=\"token operator\">&lt;-<\/span>srv<span class=\"token punctuation\">.<\/span><span class=\"token function\">getDoneChan<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span>  <span class=\"token comment\">\/\/ \u89d2\u82722: \u4f18\u96c5\u5173\u95ed<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> ErrServerClosed<br \/>\n            <span class=\"token keyword\">default<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">continue<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        c <span class=\"token operator\">:&#061;<\/span> srv<span class=\"token punctuation\">.<\/span><span class=\"token function\">newConn<\/span><span class=\"token punctuation\">(<\/span>rw<span class=\"token punctuation\">)<\/span><br \/>\n        c<span class=\"token punctuation\">.<\/span><span class=\"token function\">setState<\/span><span class=\"token punctuation\">(<\/span>StateNew<span class=\"token punctuation\">,<\/span> runHooks<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">go<\/span> c<span class=\"token punctuation\">.<\/span><span class=\"token function\">serve<\/span><span class=\"token punctuation\">(<\/span>ctx<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u89d2\u82723: \u542f\u52a8 goroutine<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6bcf\u4e00\u884c\u4ee3\u7801\u80cc\u540e&#xff0c;\u90fd\u662f\u591a\u4e2a\u89d2\u8272\u7684&#034;\u65e0\u58f0\u534f\u4f5c&#034;\u3002\u8fd9\u624d\u662f\u9ad8\u5e76\u53d1\u7684\u771f\u6b63\u5965\u4e49\u3002<\/p>\n<hr \/>\n","protected":false},"excerpt":{"rendered":"<p>\u6838\u5fc3\u89c2\u70b9&#xff1a; \u9ad8\u5e76\u53d1\u4e0d\u662f\\&#8221;\u6280\u672f\u9009\u578b\\&#8221;\u95ee\u9898&#xff0c;\u800c\u662f\\&#8221;\u89d2\u8272\u534f\u4f5c\\&#8221;\u95ee\u9898\u3002\u65e0\u8bba Go\u3001Rust \u8fd8\u662f Java&#xff0c;\u5e95\u5c42\u90fd\u5728\u89e3\u51b3\u540c\u4e00\u4e2a\u7269\u7406\u5b66\u96be\u9898&#xff1a;\u5982\u4f55\u8ba9\u6709\u9650\u7684 CPU \u6838\u5fc3&#xff0c;\u516c\u5e73\u4e14\u9ad8\u6548\u5730\u670d\u52a1\u65e0\u9650\u589e\u957f\u7684\u5e76\u53d1\u8bf7\u6c42&#xff1f;&#x1f331; \u903b\u8f91\u539f\u70b9&#xff1a;\u4e00\u4e2a\u65e0\u6cd5\u56de\u907f\u7684\u7269\u7406\u7ea6\u675f<br \/>\n\u5047\u8bbe\u4f60\u7684\u670d\u52a1\u5668\u914d\u7f6e\u5982\u4e0b&#xff1a;<br \/>\n4 \u6838 CPU&#xff0c;\u6bcf\u6838\u7406\u8bba\u5cf0\u503c 1000 QPS\u5355\u8bf7\u6c42\u5e73\u5747\u8017\u65f6 10ms&amp;#xff<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[6886,6884,6887,6885,746,151,43],"topic":[],"class_list":["post-65068","post","type-post","status-publish","format-standard","hentry","category-server","tag-goroutine","tag-go","tag-6887","tag-6885","tag-golang","tag-http","tag-43"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u9ad8\u5e76\u53d1\u7684\u672c\u8d28\uff1a\u8d85\u8d8a\u8bed\u8a00\u7684\u534f\u4f5c\u54f2\u5b66\u2014\u2014\u4ee5 Go HTTP \u670d\u52a1\u5668\u4e3a\u4f8b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/65068.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u9ad8\u5e76\u53d1\u7684\u672c\u8d28\uff1a\u8d85\u8d8a\u8bed\u8a00\u7684\u534f\u4f5c\u54f2\u5b66\u2014\u2014\u4ee5 Go HTTP \u670d\u52a1\u5668\u4e3a\u4f8b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6838\u5fc3\u89c2\u70b9&#xff1a; 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