{"id":806,"date":"2023-11-12T12:30:32","date_gmt":"2024-01-26T04:32:02","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e4%bd%bf%e7%94%a8%e5%a4%9a%e7%ba%bf%e7%a8%8b%e5%9c%a8node-js%e4%b8%ad%e7%9a%84%e6%96%b9%e6%b3%95%e5%a6%82%e4%bd%95%ef%bc%9f\/"},"modified":"2025-08-03T09:54:54","modified_gmt":"2025-08-03T01:54:54","slug":"%e4%bd%bf%e7%94%a8%e5%a4%9a%e7%ba%bf%e7%a8%8b%e5%9c%a8node-js%e4%b8%ad%e7%9a%84%e6%96%b9%e6%b3%95%e5%a6%82%e4%bd%95%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8%e5%a4%9a%e7%ba%bf%e7%a8%8b%e5%9c%a8node-js%e4%b8%ad%e7%9a%84%e6%96%b9%e6%b3%95%e5%a6%82%e4%bd%95%ef%bc%9f\/","title":{"rendered":"Node.js\u591a\u7ebf\u7a0b\u7f16\u7a0b\u5b8c\u5168\u6307\u5357\uff1aWorker 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\u5f15\u5165\u4e86 worker-threads \u6a21\u5757\uff0c\u5b83\u5141\u8bb8\u4f60\u521b\u5efa\u7ebf\u7a0b\u5e76\u540c\u65f6\u6267\u884c\u591a\u4e2a JavaScript \u4efb\u52a1\u3002\u4e00\u65e6\u4e00\u4e2a\u7ebf\u7a0b\u5b8c\u6210\u4e00\u4e2a\u4efb\u52a1\uff0c\u5b83\u4f1a\u5411\u4e3b\u7ebf\u7a0b\u53d1\u9001\u5305\u542b\u64cd\u4f5c\u7ed3\u679c\u7684\u6d88\u606f\uff0c\u4ee5\u4fbf\u53ef\u4ee5\u4e0e\u4ee3\u7801\u7684\u5176\u4ed6\u90e8\u5206\u4e00\u8d77\u4f7f\u7528\u3002\u4f7f\u7528 worker \u7ebf\u7a0b\u7684\u4f18\u52bf\u5728\u4e8e\u89e3\u51b3\u4e86\u7531\u4e8e CPU 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class=\"post-ul\">\n<li>\u4e00\u4e2a\u5177\u6709\u56db\u4e2a\u6216\u66f4\u591a\u6838\u5fc3\u7684\u591a\u6838\u7cfb\u7edf\u3002\u4f60\u4ecd\u7136\u53ef\u4ee5\u5728\u53cc\u6838\u7cfb\u7edf\u4e0a\u6309\u7167\u6559\u7a0b\u7684\u6b65\u9aa41\u52306\u8fdb\u884c\u64cd\u4f5c\u3002\u4f46\u662f\uff0c\u6b65\u9aa47\u9700\u8981\u56db\u4e2a\u6838\u5fc3\u624d\u80fd\u770b\u5230\u6027\u80fd\u6539\u8fdb\u3002<\/li>\n<li>\u4e00\u4e2aNode.js\u5f00\u53d1\u73af\u5883\u3002\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662fUbuntu 22.04\uff0c\u8bf7\u6309\u7167\u300a\u5982\u4f55\u5728Ubuntu 22.04\u4e0a\u5b89\u88c5Node.js\u300b\u7684\u6b65\u9aa43\u5b89\u88c5\u6700\u65b0\u7248\u672c\u7684Node.js\u3002\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662f\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\uff0c\u8bf7\u53c2\u9605\u300a\u5982\u4f55\u5b89\u88c5Node.js\u5e76\u521b\u5efa\u672c\u5730\u5f00\u53d1\u73af\u5883\u300b\u3002<\/li>\n<li>\u5bf9JavaScript\u4e2d\u7684\u4e8b\u4ef6\u5faa\u73af\u3001\u56de\u8c03\u548cPromise\u6709\u5f88\u597d\u7684\u7406\u89e3\uff0c\u4f60\u53ef\u4ee5\u5728\u6211\u4eec\u7684\u6559\u7a0b\u300a\u7406\u89e3JavaScript\u4e2d\u7684\u4e8b\u4ef6\u5faa\u73af\u3001\u56de\u8c03\u3001Promise\u548cAsync\/Await\u300b\u4e2d\u627e\u5230\u76f8\u5173\u5185\u5bb9\u3002<\/li>\n<li>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528Express Web\u6846\u67b6\u7684\u57fa\u672c\u77e5\u8bc6\u3002\u67e5\u770b\u6211\u4eec\u7684\u6307\u5357\u300a\u5982\u4f55\u5f00\u59cb\u4f7f\u7528Node.js\u548cExpress\u300b\u3002<\/li>\n<\/ul>\n<h2>\u5efa\u7acb\u9879\u76ee\u548c\u5b89\u88c5\u4f9d\u8d56\u9879<\/h2>\n<p>\u5728\u8fd9\u4e00\u6b65\u4e2d\uff0c\u4f60\u5c06\u521b\u5efa\u9879\u76ee\u76ee\u5f55\uff0c\u521d\u59cb\u5316npm\uff0c\u5e76\u5b89\u88c5\u6240\u6709\u5fc5\u8981\u7684\u4f9d\u8d56\u9879\u3002<\/p>\n<p>\u9996\u5148\uff0c\u521b\u5efa\u5e76\u8fdb\u5165\u9879\u76ee\u76ee\u5f55\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">mkdir<\/span> <mark>multi-threading_demo<\/mark><\/li>\n<li data-prefix=\"$\"><span class=\"token builtin class-name\">cd<\/span> <mark>multi-threading_demo<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>mkdir\u547d\u4ee4\u7528\u4e8e\u521b\u5efa\u76ee\u5f55\uff0ccd\u547d\u4ee4\u5219\u5c06\u5de5\u4f5c\u76ee\u5f55\u66f4\u6539\u4e3a\u65b0\u521b\u5efa\u7684\u76ee\u5f55\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u4f7f\u7528npm init\u547d\u4ee4\u521d\u59cb\u5316\u9879\u76ee\u76ee\u5f55\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">npm<\/span> init <span class=\"token parameter variable\">-y<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>-y\u9009\u9879\u63a5\u53d7\u6240\u6709\u7684\u9ed8\u8ba4\u9009\u9879\u3002<\/p>\n<p>\u5f53\u547d\u4ee4\u8fd0\u884c\u65f6\uff0c\u60a8\u7684\u8f93\u51fa\u5c06\u7c7b\u4f3c\u4e8e\u8fd9\u6837\uff1a<\/p>\n<pre class=\"post-pre\"><code>Wrote to \/home\/<mark>sammy<\/mark>\/<mark>multi-threading_demo<\/mark>\/package.json:\r\n\r\n{\r\n  \"name\": \"<mark>multi-threading_demo<\/mark>\",\r\n  \"version\": \"1.0.0\",\r\n  \"description\": \"\",\r\n  \"main\": \"index.js\",\r\n  \"scripts\": {\r\n    \"test\": \"echo \\\"Error: no test specified\\\" &amp;&amp; exit 1\"\r\n  },\r\n  \"keywords\": [],\r\n  \"author\": \"\",\r\n  \"license\": \"ISC\"\r\n}\r\n\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u5728Node.js web\u6846\u67b6\u4e2d\u5b89\u88c5Express\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">npm<\/span> <span class=\"token function\">install<\/span> express<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4f60\u5c06\u4f7f\u7528Express\u521b\u5efa\u4e00\u4e2a\u5177\u6709\u963b\u585e\u548c\u975e\u963b\u585e\u7aef\u70b9\u7684\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>Node.js\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u9644\u5e26\u4e86worker-threads\u6a21\u5757\uff0c\u56e0\u6b64\u60a8\u65e0\u9700\u5b89\u88c5\u3002<\/p>\n<p>\u4f60\u5df2\u7ecf\u5b89\u88c5\u597d\u4e86\u6240\u9700\u7684\u8f6f\u4ef6\u5305\u3002\u63a5\u4e0b\u6765\uff0c\u4f60\u5c06\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u8fdb\u7a0b\u548c\u7ebf\u7a0b\u4ee5\u53ca\u5b83\u4eec\u5728\u8ba1\u7b97\u673a\u4e0a\u5982\u4f55\u6267\u884c\u7684\u5185\u5bb9\u3002<\/p>\n<h2>\u7406\u89e3\u8fdb\u7a0b\u548c\u7ebf\u7a0b<\/h2>\n<p>\u5728\u4f60\u5f00\u59cb\u7f16\u5199\u4e0eCPU\u7ed1\u5b9a\u7684\u4efb\u52a1\u5e76\u5c06\u5176\u5206\u6d3e\u7ed9\u72ec\u7acb\u7ebf\u7a0b\u4e4b\u524d\uff0c\u4f60\u9996\u5148\u9700\u8981\u4e86\u89e3\u8fdb\u7a0b\u548c\u7ebf\u7a0b\u4ee5\u53ca\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\u3002\u6700\u91cd\u8981\u7684\u662f\uff0c\u4f60\u5c06\u4f1a\u56de\u987e\u8fdb\u7a0b\u548c\u7ebf\u7a0b\u5728\u5355\u6838\u6216\u591a\u6838\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e0a\u7684\u6267\u884c\u65b9\u5f0f\u3002<\/p>\n<h3>\u8fdb\u7a0b<\/h3>\n<p>\u4e00\u4e2a\u8fdb\u7a0b\u662f\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u8fd0\u884c\u7684\u7a0b\u5e8f\u3002\u5b83\u6709\u81ea\u5df1\u7684\u5185\u5b58\uff0c\u65e0\u6cd5\u770b\u5230\u6216\u8bbf\u95ee\u5176\u4ed6\u6b63\u5728\u8fd0\u884c\u7684\u7a0b\u5e8f\u7684\u5185\u5b58\u3002\u5b83\u8fd8\u6709\u4e00\u4e2a\u6307\u4ee4\u6307\u9488\uff0c\u6307\u793a\u5f53\u524d\u6b63\u5728\u6267\u884c\u7684\u7a0b\u5e8f\u7684\u6307\u4ee4\u3002\u4e00\u6b21\u53ea\u80fd\u6267\u884c\u4e00\u4e2a\u4efb\u52a1\u3002<\/p>\n<p>\u4e3a\u4e86\u7406\u89e3\u8fd9\u4e2a\uff0c\u4f60\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u5e26\u6709\u65e0\u9650\u5faa\u73af\u7684Node.js\u7a0b\u5e8f\uff0c\u8fd9\u6837\u5b83\u5728\u8fd0\u884c\u65f6\u4e0d\u4f1a\u9000\u51fa\u3002<\/p>\n<p>\u4f7f\u7528nano\u6216\u4f60\u9996\u9009\u7684\u6587\u672c\u7f16\u8f91\u5668\u521b\u5efa\u5e76\u6253\u5f00process.js \u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">nano<\/span> process.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5728\u4f60\u7684 process.js \u6587\u4ef6\u4e2d\uff0c\u8f93\u5165\u4ee5\u4e0b\u4ee3\u7801\u3002<\/p>\n<div>\u591a\u7ebf\u7a0b\u6f14\u793a\/\u8fdb\u7a0b.js<\/div>\n<h2>Node.js\u8fdb\u7a0b\u57fa\u7840\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u53c2\u6570\u521b\u5efa\u8fdb\u7a0b<\/h2>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">const<\/span> process_name <span class=\"token operator\">=<\/span> process<span class=\"token punctuation\">.<\/span>argv<span class=\"token punctuation\">.<\/span><span class=\"token function\">slice<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\ncount <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n  count<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>count <span class=\"token operator\">==<\/span> <span class=\"token number\">2000<\/span> <span class=\"token operator\">||<\/span> count <span class=\"token operator\">==<\/span> <span class=\"token number\">4000<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n    console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>process_name<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>count<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token punctuation\">}<\/span>\r\n<span class=\"token punctuation\">}<\/span><\/code><\/pre>\n<p>\u5728\u7b2c\u4e00\u884c\u4e2d\uff0c<code>process.argv<\/code>\u5c5e\u6027\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u7a0b\u5e8f\u547d\u4ee4\u884c\u53c2\u6570\u7684\u6570\u7ec4\u3002\u7136\u540e\uff0c\u4f7f\u7528JavaScript\u7684<code>slice()<\/code>\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e2a\u53c2\u65702\uff0c\u6765\u521b\u5efa\u4ece\u7d22\u5f152\u5f00\u59cb\u7684\u6570\u7ec4\u7684\u6d45\u62f7\u8d1d\u3002\u8fd9\u6837\u505a\u53ef\u4ee5\u8df3\u8fc7\u524d\u4e24\u4e2a\u53c2\u6570\uff0c\u5373Node.js\u7684\u8def\u5f84\u548c\u7a0b\u5e8f\u6587\u4ef6\u540d\u3002\u63a5\u4e0b\u6765\uff0c\u4f7f\u7528\u65b9\u62ec\u53f7\u8868\u793a\u6cd5\u8bed\u6cd5\u6765\u4ece\u5207\u7247\u540e\u7684\u6570\u7ec4\u4e2d\u68c0\u7d22\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728<code>process_name<\/code>\u53d8\u91cf\u4e2d\u3002<\/p>\n<p>\u7136\u540e\uff0c\u5b9a\u4e49\u4e00\u4e2a<code>while<\/code>\u5faa\u73af\uff0c\u5e76\u4f20\u5165\u4e00\u4e2a\u59cb\u7ec8\u4e3a\u771f\u7684\u6761\u4ef6\u4f7f\u5faa\u73af\u6c38\u8fdc\u6267\u884c\u3002\u5728\u5faa\u73af\u4e2d\uff0c\u6bcf\u6b21\u8fed\u4ee3\u65f6\u8ba1\u6570\u53d8\u91cf\u589e\u52a01\u3002\u63a5\u7740\u662f\u4e00\u4e2a<code>if<\/code>\u8bed\u53e5\uff0c\u68c0\u67e5\u8ba1\u6570\u662f\u5426\u7b49\u4e8e2000\u62164000\u3002\u5982\u679c\u6761\u4ef6\u4e3a\u771f\uff0c<code>console.log()<\/code>\u65b9\u6cd5\u5c06\u5728\u7ec8\u7aef\u4e2d\u8bb0\u5f55\u4e00\u6761\u6d88\u606f\u3002<\/p>\n<h3>\u8fd0\u884cNode.js\u7a0b\u5e8f<\/h3>\n<p>\u4f7f\u7528<code>CTRL+X<\/code>\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\uff0c\u7136\u540e\u6309<code>Y<\/code>\u4fdd\u5b58\u66f4\u6539\u3002<\/p>\n<p>\u4f7f\u7528<code>node<\/code>\u547d\u4ee4\u8fd0\u884c\u8be5\u7a0b\u5e8f\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">node<\/span> process.js A <span class=\"token operator\">&<\/span><\/code><\/pre>\n<p>\u5176\u4e2d\uff0cA\u662f\u4f20\u9012\u7ed9\u7a0b\u5e8f\u5e76\u5b58\u50a8\u5728<code>process_name<\/code>\u53d8\u91cf\u4e2d\u7684\u547d\u4ee4\u884c\u53c2\u6570\u3002\u7ed3\u5c3e\u5904\u7684<code>&<\/code>\u5141\u8bb8Node\u7a0b\u5e8f\u5728\u540e\u53f0\u8fd0\u884c\uff0c\u8fd9\u6837\u53ef\u4ee5\u5728Shell\u4e2d\u8f93\u5165\u66f4\u591a\u547d\u4ee4\u3002<\/p>\n<h3>\u7a0b\u5e8f\u8f93\u51fa\u4e0e\u8fdb\u7a0bID<\/h3>\n<p>\u5f53\u8fd0\u884c\u7a0b\u5e8f\u65f6\uff0c\u4f1a\u770b\u5230\u7c7b\u4f3c\u4e8e\u4ee5\u4e0b\u7684\u8f93\u51fa\uff1a<\/p>\n<div class=\"secondary-code-label\" title=\"\u8f93\u51fa\">\n<pre class=\"post-pre\"><code>[1] 7754 A: 2000 A: 4000<\/code><\/pre>\n<\/div>\n<p>7754\u662f\u64cd\u4f5c\u7cfb\u7edf\u5206\u914d\u7ed9\u5b83\u7684\u8fdb\u7a0bID\u3002\u7a0b\u5e8f\u8f93\u51fa\u4e3a\uff1aA\uff1a2000\u548cA\uff1a4000\u3002<\/p>\n<p>\u5f53\u4f7f\u7528<code>node<\/code>\u547d\u4ee4\u8fd0\u884c\u7a0b\u5e8f\u65f6\uff0c\u5b9e\u9645\u4e0a\u662f\u521b\u5efa\u4e86\u4e00\u4e2a\u8fdb\u7a0b\u3002\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u4e3a\u7a0b\u5e8f\u5206\u914d\u5185\u5b58\uff0c\u5728\u8ba1\u7b97\u673a\u7684\u78c1\u76d8\u4e0a\u5b9a\u4f4d\u7a0b\u5e8f\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u5e76\u5c06\u7a0b\u5e8f\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002\u7136\u540e\uff0c\u7cfb\u7edf\u4f1a\u4e3a\u5176\u5206\u914d\u4e00\u4e2a\u8fdb\u7a0bID\u5e76\u5f00\u59cb\u6267\u884c\u7a0b\u5e8f\u3002\u6b64\u65f6\uff0c\u7a0b\u5e8f\u5df2\u7ecf\u6210\u4e3a\u4e00\u4e2a\u8fdb\u7a0b\u3002<\/p>\n<h3>\u67e5\u770b\u548c\u7ba1\u7406\u8fdb\u7a0b<\/h3>\n<p>\u5f53\u8fdb\u7a0b\u6b63\u5728\u8fd0\u884c\u65f6\uff0c\u5b83\u7684\u8fdb\u7a0bID\u5c06\u88ab\u6dfb\u52a0\u5230\u64cd\u4f5c\u7cfb\u7edf\u7684\u8fdb\u7a0b\u5217\u8868\u4e2d\uff0c\u5e76\u53ef\u4ee5\u901a\u8fc7<code>htop<\/code>\u3001<code>top<\/code>\u6216<code>ps<\/code>\u7b49\u5de5\u5177\u8fdb\u884c\u67e5\u770b\u3002\u8fd9\u4e9b\u5de5\u5177\u63d0\u4f9b\u66f4\u591a\u5173\u4e8e\u8fdb\u7a0b\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u540c\u65f6\u8fd8\u53ef\u4ee5\u9009\u62e9\u505c\u6b62\u6216\u8bbe\u7f6e\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u3002<\/p>\n<p>\u8981\u5feb\u901f\u83b7\u5f97\u5173\u4e8eNode\u8fdb\u7a0b\u7684\u6458\u8981\uff0c\u8bf7\u5728\u7ec8\u7aef\u4e2d\u6309\u56de\u8f66\u952e\u4ee5\u83b7\u5f97\u63d0\u793a\u7b26\u3002\u63a5\u4e0b\u6765\uff0c\u8fd0\u884c<code>ps<\/code>\u547d\u4ee4\u4ee5\u67e5\u770bNode\u8fdb\u7a0b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">ps<\/span> <span class=\"token operator\">|<\/span><span class=\"token function\">grep<\/span> <span class=\"token function\">node<\/span><\/code><\/pre>\n<p><code>ps<\/code>\u547d\u4ee4\u5217\u51fa\u4e86\u7cfb\u7edf\u4e0a\u4e0e\u5f53\u524d\u7528\u6237\u76f8\u5173\u7684\u6240\u6709\u8fdb\u7a0b\u3002\u4f7f\u7528\u7ba1\u9053\u64cd\u4f5c\u7b26<code>|<\/code>\u5c06\u6240\u6709<code>ps<\/code>\u8f93\u51fa\u4f20\u9012\u7ed9<code>grep<\/code>\u8fc7\u6ee4\u5668\uff0c\u4ee5\u5217\u51fa\u4ec5Node\u8fdb\u7a0b\u3002<\/p>\n<p>\u8fd0\u884c\u8be5\u547d\u4ee4\u5c06\u4f1a\u4ea7\u751f\u7c7b\u4f3c\u4ee5\u4e0b\u7684\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n<div class=\"secondary-code-label\" title=\"\u8f93\u51fa\">\n<pre class=\"post-pre\"><code>7754 pts\/0 00:21:49 node<\/code><\/pre>\n<\/div>\n<h3>\u521b\u5efa\u591a\u4e2a\u8fdb\u7a0b<\/h3>\n<p>\u53ef\u4ee5\u4ece\u4e00\u4e2a\u7a0b\u5e8f\u4e2d\u521b\u5efa\u65e0\u6570\u4e2a\u8fdb\u7a0b\u3002\u6bd4\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u4e09\u4e2a\u5177\u6709\u4e0d\u540c\u53c2\u6570\u7684\u8fdb\u7a0b\uff0c\u5e76\u5c06\u5b83\u4eec\u653e\u5728\u540e\u53f0\u6267\u884c\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">node<\/span> process.js B <span class=\"token operator\">&<\/span> <span class=\"token function\">node<\/span> process.js C <span class=\"token operator\">&<\/span> <span class=\"token function\">node<\/span> process.js D <span class=\"token operator\">&<\/span><\/code><\/pre>\n<p>\u5728\u8be5\u547d\u4ee4\u4e2d\uff0c\u521b\u5efa\u4e86\u4e09\u4e2a<code>process.js<\/code>\u7a0b\u5e8f\u7684\u66f4\u591a\u5b9e\u4f8b\u3002\u7b26\u53f7<code>&<\/code>\u5c06\u6bcf\u4e2a\u8fdb\u7a0b\u653e\u7f6e\u5728\u540e\u53f0\u3002<\/p>\n<p>\u8fd0\u884c\u8be5\u547d\u4ee4\u540e\uff0c\u8f93\u51fa\u5c06\u7c7b\u4f3c\u4e8e\u4ee5\u4e0b\u5185\u5bb9\uff08\u987a\u5e8f\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\uff09\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>[2] <mark>7821<\/mark> [3] <mark>7822<\/mark> [4] <mark>7823<\/mark> D: 2000 D: 4000 B: 2000 B: 4000 C: 2000 C: 4000<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6b63\u5982\u60a8\u5728\u8f93\u51fa\u7ed3\u679c\u4e2d\u6240\u770b\u5230\u7684\uff0c\u5f53\u8ba1\u6570\u8fbe\u52302000\u548c4000\u65f6\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u4f1a\u5c06\u8fdb\u7a0b\u540d\u79f0\u8bb0\u5f55\u5728\u7ec8\u7aef\u4e2d\u3002\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u4e0d\u77e5\u9053\u5176\u4ed6\u8fdb\u7a0b\u6b63\u5728\u8fd0\u884c\uff1a\u8fdb\u7a0bD\u4e0d\u77e5\u9053\u8fdb\u7a0bC\u7684\u5b58\u5728\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u65e0\u8bba\u5728\u54ea\u4e2a\u8fdb\u7a0b\u4e2d\u53d1\u751f\u7684\u4efb\u4f55\u4e8b\u60c5\u90fd\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6Node.js\u8fdb\u7a0b\u3002<\/p>\n<p>\u5982\u679c\u60a8\u4ed4\u7ec6\u68c0\u67e5\u8f93\u51fa\uff0c\u60a8\u4f1a\u53d1\u73b0\u8f93\u51fa\u7684\u987a\u5e8f\u5e76\u4e0d\u662f\u60a8\u521b\u5efa\u4e09\u4e2a\u8fdb\u7a0b\u65f6\u7684\u987a\u5e8f\u3002\u5728\u8fd0\u884c\u547d\u4ee4\u65f6\uff0c\u8fdb\u7a0b\u7684\u53c2\u6570\u987a\u5e8f\u662fB\uff0cC\u548cD\u3002\u4f46\u73b0\u5728\uff0c\u987a\u5e8f\u662fD\uff0cB\u548cC\u3002\u539f\u56e0\u662f\u64cd\u4f5c\u7cfb\u7edf\u5177\u6709\u8c03\u5ea6\u7b97\u6cd5\uff0c\u51b3\u5b9a\u5728\u7ed9\u5b9a\u65f6\u95f4\u5728CPU\u4e0a\u8fd0\u884c\u54ea\u4e2a\u8fdb\u7a0b\u3002<\/p>\n<p>\u5728\u5355\u6838\u673a\u5668\u4e0a\uff0c\u8fdb\u7a0b\u5e76\u53d1\u6267\u884c\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5728\u89c4\u5b9a\u7684\u65f6\u95f4\u95f4\u9694\u5185\u5728\u8fdb\u7a0b\u4e4b\u95f4\u5207\u6362\u3002\u4f8b\u5982\uff0c\u8fdb\u7a0bD\u6267\u884c\u4e00\u6bb5\u65f6\u95f4\u540e\uff0c\u5b83\u7684\u72b6\u6001\u88ab\u4fdd\u5b58\u5728\u67d0\u4e2a\u5730\u65b9\uff0c\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6\u8fdb\u7a0bB\u6267\u884c\u4e00\u6bb5\u65f6\u95f4\uff0c\u5982\u6b64\u5f80\u590d\u3002\u76f4\u5230\u6240\u6709\u4efb\u52a1\u90fd\u5b8c\u6210\u4e3a\u6b62\u3002\u4ece\u8f93\u51fa\u7ed3\u679c\u770b\uff0c\u4f3c\u4e4e\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u5df2\u7ecf\u5b8c\u6210\u4e86\uff0c\u4f46\u5b9e\u9645\u4e0a\uff0c\u64cd\u4f5c\u7cfb\u7edf\u7684\u8c03\u5ea6\u5668\u4e0d\u65ad\u5728\u5b83\u4eec\u4e4b\u95f4\u8fdb\u884c\u5207\u6362\u3002<\/p>\n<p>\u5728\u591a\u6838\u7cfb\u7edf\u4e0a\uff0c\u5047\u8bbe\u4f60\u6709\u56db\u4e2a\u6838\u5fc3\uff0c\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u540c\u65f6\u5b89\u6392\u6bcf\u4e2a\u8fdb\u7a0b\u5728\u6bcf\u4e2a\u6838\u5fc3\u4e0a\u6267\u884c\u3002\u8fd9\u88ab\u79f0\u4e3a\u5e76\u884c\u6027\u3002\u7136\u800c\uff0c\u5982\u679c\u4f60\u521b\u5efa\u4e86\u56db\u4e2a\u989d\u5916\u7684\u8fdb\u7a0b\uff08\u603b\u5171\u516b\u4e2a\uff09\uff0c\u6bcf\u4e2a\u6838\u5fc3\u5c06\u540c\u65f6\u6267\u884c\u4e24\u4e2a\u8fdb\u7a0b\uff0c\u76f4\u5230\u5b83\u4eec\u5b8c\u6210\u3002<\/p>\n<h3>\u7ebf\u7a0b<\/h3>\n<p>\u7ebf\u7a0b\u5c31\u50cf\u8fdb\u7a0b\u4e00\u6837\uff1a\u5b83\u4eec\u6709\u81ea\u5df1\u7684\u6307\u4ee4\u6307\u9488\uff0c\u6bcf\u6b21\u53ea\u80fd\u6267\u884c\u4e00\u4e2aJavaScript\u4efb\u52a1\u3002\u4e0e\u8fdb\u7a0b\u4e0d\u540c\uff0c\u7ebf\u7a0b\u6ca1\u6709\u81ea\u5df1\u7684\u5185\u5b58\u3002\u76f8\u53cd\uff0c\u5b83\u4eec\u5b58\u5728\u4e8e\u8fdb\u7a0b\u7684\u5185\u5b58\u4e2d\u3002\u521b\u5efa\u8fdb\u7a0b\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528worker_threads\u6a21\u5757\u521b\u5efa\u591a\u4e2a\u7ebf\u7a0b\u6765\u5e76\u884c\u6267\u884cJavaScript\u4ee3\u7801\u3002\u6b64\u5916\uff0c\u7ebf\u7a0b\u53ef\u4ee5\u901a\u8fc7\u6d88\u606f\u4f20\u9012\u6216\u5728\u8fdb\u7a0b\u7684\u5185\u5b58\u4e2d\u5171\u4eab\u6570\u636e\u4e0e\u5f7c\u6b64\u901a\u4fe1\u3002\u76f8\u6bd4\u4e8e\u8fdb\u7a0b\uff0c\u8fd9\u4f7f\u5f97\u7ebf\u7a0b\u66f4\u52a0\u8f7b\u91cf\u7ea7\uff0c\u56e0\u4e3a\u751f\u6210\u7ebf\u7a0b\u4e0d\u4f1a\u5411\u64cd\u4f5c\u7cfb\u7edf\u8bf7\u6c42\u66f4\u591a\u7684\u5185\u5b58\u3002<\/p>\n<p>\u5f53\u6d89\u53ca\u5230\u7ebf\u7a0b\u7684\u6267\u884c\u65f6\uff0c\u5b83\u4eec\u4e0e\u8fdb\u7a0b\u6709\u7740\u7c7b\u4f3c\u7684\u884c\u4e3a\u3002\u5982\u679c\u5728\u5355\u6838\u7cfb\u7edf\u4e0a\u8fd0\u884c\u591a\u4e2a\u7ebf\u7a0b\uff0c\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u5b9a\u671f\u5728\u5b83\u4eec\u4e4b\u95f4\u5207\u6362\uff0c\u4f7f\u6bcf\u4e2a\u7ebf\u7a0b\u6709\u673a\u4f1a\u76f4\u63a5\u5728\u5355\u4e2aCPU\u4e0a\u6267\u884c\u3002\u5728\u591a\u6838\u7cfb\u7edf\u4e0a\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5c06\u7ebf\u7a0b\u5b89\u6392\u5728\u6240\u6709\u6838\u5fc3\u4e0a\u540c\u65f6\u6267\u884cJavaScript\u4ee3\u7801\u3002\u5982\u679c\u521b\u5efa\u7684\u7ebf\u7a0b\u6570\u8d85\u8fc7\u53ef\u7528\u7684\u6838\u5fc3\u6570\uff0c\u6bcf\u4e2a\u6838\u5fc3\u5c06\u540c\u65f6\u6267\u884c\u591a\u4e2a\u7ebf\u7a0b\u3002<\/p>\n<p>\u5728\u6b64\u4e4b\u540e\uff0c\u6309\u4e0b\u56de\u8f66\u952e\uff0c\u7136\u540e\u4f7f\u7528kill\u547d\u4ee4\u505c\u6b62\u5f53\u524d\u6b63\u5728\u8fd0\u884c\u7684\u6240\u6709Node\u8fdb\u7a0b\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">kill<\/span> <span class=\"token parameter variable\">-9<\/span> <span class=\"token variable\"><span class=\"token variable\">`<\/span>pgrep <span class=\"token function\">node<\/span><span class=\"token variable\">`<\/span><\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>pgrep\u547d\u4ee4\u5c06\u8fd4\u56de\u56db\u4e2aNode\u8fdb\u7a0b\u7684\u8fdb\u7a0bID\u7ed9kill\u547d\u4ee4\u3002-9\u9009\u9879\u6307\u793akill\u53d1\u9001\u4e00\u4e2aSIGKILL\u4fe1\u53f7\u3002<\/p>\n<p>\u8fd0\u884c\u8be5\u547d\u4ee4\u540e\uff0c\u60a8\u5c06\u770b\u5230\u7c7b\u4f3c\u4ee5\u4e0b\u8f93\u51fa\u7684\u7ed3\u679c\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>[1] Killed node process.js A [2] Killed node process.js B [3] Killed node process.js C [4] Killed node process.js D<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6709\u65f6\u5019\uff0c\u5728\u4f60\u7a0d\u540e\u8fd0\u884c\u5176\u4ed6\u547d\u4ee4\u65f6\uff0c\u8f93\u51fa\u53ef\u80fd\u4f1a\u5ef6\u8fdf\u663e\u793a\u51fa\u6765\u3002<\/p>\n<p>\u65e2\u7136\u4f60\u5df2\u7ecf\u4e86\u89e3\u4e86\u8fdb\u7a0b\u548c\u7ebf\u7a0b\u7684\u533a\u522b\uff0c\u63a5\u4e0b\u6765\u4f60\u5c06\u5728\u4e0b\u4e00\u8282\u4e2d\u4f7f\u7528Node.js\u4e2d\u9690\u85cf\u7684\u7ebf\u7a0b\u8fdb\u884c\u5de5\u4f5c\u3002<\/p>\n<h2>\u7406\u89e3 Node.js \u4e2d\u7684\u9690\u85cf\u7ebf\u7a0b<\/h2>\n<p>Node.js\u63d0\u4f9b\u4e86\u989d\u5916\u7684\u7ebf\u7a0b\uff0c\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5b83\u88ab\u8ba4\u4e3a\u662f\u591a\u7ebf\u7a0b\u7684\u539f\u56e0\u3002\u5728\u672c\u8282\u4e2d\uff0c\u60a8\u5c06\u4e86\u89e3Node.js\u4e2d\u7684\u9690\u85cf\u7ebf\u7a0b\uff0c\u8fd9\u4e9b\u7ebf\u7a0b\u6709\u52a9\u4e8e\u4f7fI\/O\u64cd\u4f5c\u975e\u963b\u585e\u3002<\/p>\n<p>\u5982\u4ecb\u7ecd\u4e2d\u6240\u63d0\u5230\u7684\uff0cJavaScript \u662f\u5355\u7ebf\u7a0b\u7684\uff0c\u6240\u6709\u7684 JavaScript \u4ee3\u7801\u90fd\u5728\u4e00\u4e2a\u7ebf\u7a0b\u4e2d\u6267\u884c\u3002\u8fd9\u5305\u62ec\u60a8\u7684\u7a0b\u5e8f\u6e90\u4ee3\u7801\u4ee5\u53ca\u60a8\u5728\u7a0b\u5e8f\u4e2d\u5f15\u5165\u7684\u7b2c\u4e09\u65b9\u5e93\u3002\u5f53\u7a0b\u5e8f\u6267\u884c I\/O \u64cd\u4f5c\u8bfb\u53d6\u6587\u4ef6\u6216\u8fdb\u884c\u7f51\u7edc\u8bf7\u6c42\u65f6\uff0c\u8fd9\u4f1a\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002<\/p>\n<p>\u7136\u800c\uff0cNode.js\u5b9e\u73b0\u4e86libuv\u5e93\uff0c\u4e3aNode.js\u8fdb\u7a0b\u63d0\u4f9b\u4e86\u56db\u4e2a\u989d\u5916\u7684\u7ebf\u7a0b\u3002\u901a\u8fc7\u8fd9\u4e9b\u7ebf\u7a0b\uff0cI\/O\u64cd\u4f5c\u88ab\u5206\u5f00\u5904\u7406\uff0c\u5f53\u5b83\u4eec\u5b8c\u6210\u65f6\uff0c\u4e8b\u4ef6\u5faa\u73af\u5c06\u4e0eI\/O\u4efb\u52a1\u76f8\u5173\u8054\u7684\u56de\u8c03\u6dfb\u52a0\u5230\u5fae\u4efb\u52a1\u961f\u5217\u4e2d\u3002\u5f53\u4e3b\u7ebf\u7a0b\u7684\u8c03\u7528\u5806\u6808\u6e05\u7a7a\u65f6\uff0c\u56de\u8c03\u88ab\u63a8\u5165\u8c03\u7528\u5806\u6808\uff0c\u7136\u540e\u6267\u884c\u3002\u4e3a\u4e86\u4f7f\u8fd9\u4e00\u70b9\u6e05\u695a\uff0c\u4e0e\u7ed9\u5b9a\u7684I\/O\u4efb\u52a1\u76f8\u5173\u8054\u7684\u56de\u8c03\u4e0d\u4f1a\u5e76\u884c\u6267\u884c\uff1b\u7136\u800c\uff0c\u501f\u52a9\u8fd9\u4e9b\u7ebf\u7a0b\uff0c\u8bfb\u53d6\u6587\u4ef6\u6216\u7f51\u7edc\u8bf7\u6c42\u7684\u4efb\u52a1\u672c\u8eab\u662f\u5e76\u884c\u8fdb\u884c\u7684\u3002\u4e00\u65e6I\/O\u4efb\u52a1\u5b8c\u6210\uff0c\u56de\u8c03\u5728\u4e3b\u7ebf\u7a0b\u4e2d\u8fd0\u884c\u3002<\/p>\n<p>\u9664\u4e86\u8fd9\u56db\u4e2a\u7ebf\u7a0b\u5916\uff0cV8\u5f15\u64ce\u8fd8\u63d0\u4f9b\u4e86\u4e24\u4e2a\u7ebf\u7a0b\u6765\u5904\u7406\u81ea\u52a8\u5783\u573e\u56de\u6536\u7b49\u4efb\u52a1\u3002\u8fd9\u6837\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u4e2d\u7684\u7ebf\u7a0b\u603b\u6570\u5c31\u53d8\u6210\u4e86\u4e03\u4e2a\uff1a\u4e00\u4e2a\u4e3b\u7ebf\u7a0b\uff0c\u56db\u4e2aNode.js\u7ebf\u7a0b\u4ee5\u53ca\u4e24\u4e2aV8\u7ebf\u7a0b\u3002<\/p>\n<p>\u5728\u540e\u53f0\u8fd0\u884cprocess.js\u6587\u4ef6\u5e76\u91cd\u590d\u8fd0\u884c\uff0c\u4ee5\u786e\u8ba4\u6bcf\u4e2aNode.js\u8fdb\u7a0b\u90fd\u5177\u6709\u4e03\u4e2a\u7ebf\u7a0b\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">node<\/span> process.js A <span class=\"token operator\">&amp;<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u7ec8\u7aef\u4f1a\u8bb0\u5f55\u7a0b\u5e8f\u7684\u8fdb\u7a0bID\u548c\u8f93\u51fa\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>[1] <mark>9933<\/mark> A: 2000 A: 4000<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u8bf7\u5728\u67d0\u5904\u8bb0\u5f55\u4e0b\u8fdb\u7a0bID\uff0c\u7136\u540e\u6309\u4e0b\u56de\u8f66\u952e\u4ee5\u4fbf\u518d\u6b21\u4f7f\u7528\u63d0\u793a\u7b26\u3002<\/p>\n<p>\u8981\u67e5\u770b\u7ebf\u7a0b\uff0c\u8bf7\u8fd0\u884ctop\u547d\u4ee4\uff0c\u5e76\u5c06\u663e\u793a\u5728\u8f93\u51fa\u4e2d\u7684\u8fdb\u7a0bID\u4f20\u9012\u7ed9\u5b83\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">top<\/span> <span class=\"token parameter variable\">-H<\/span> <span class=\"token parameter variable\">-p<\/span> <mark><span class=\"token number\">9933<\/span><\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>-H \u547d\u4ee4 top \u663e\u793a\u8fdb\u7a0b\u4e2d\u7684\u7ebf\u7a0b\u3002-p \u6807\u5fd7\u6307\u793a top \u4ec5\u76d1\u89c6\u7ed9\u5b9a\u8fdb\u7a0bID\u4e2d\u7684\u6d3b\u52a8\u3002<\/p>\n<p>\u5f53\u4f60\u8fd0\u884c\u547d\u4ee4\u65f6\uff0c\u4f60\u7684\u8f93\u51fa\u5c06\u7c7b\u4f3c\u4e8e\u4e0b\u9762\u7684\u60c5\u51b5:<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>top &#8211; 09:21:11 up 15:00, 1 user, load average: 0.99, 0.60, 0.26 Threads: <mark>7<\/mark> total, 1 running, 6 sleeping, 0 stopped, 0 zombie %Cpu(s): 24.8 us, 0.3 sy, 0.0 ni, 75.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st MiB Mem : 7951.2 total, 6756.1 free, 248.4 used, 946.7 buff\/cache MiB Swap: 0.0 total, 0.0 free, 0.0 used. 7457.4 avail Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 9933 node-us+ 20 0 597936 51864 33956 R 99.9 0.6 4:19.64 node 9934 node-us+ 20 0 597936 51864 33956 S 0.0 0.6 0:00.00 node 9935 node-us+ 20 0 597936 51864 33956 S 0.0 0.6 0:00.84 node 9936 node-us+ 20 0 597936 51864 33956 S 0.0 0.6 0:00.83 node 9937 node-us+ 20 0 597936 51864 33956 S 0.0 0.6 0:00.93 node 9938 node-us+ 20 0 597936 51864 33956 S 0.0 0.6 0:00.83 node 9939 node-us+ 20 0 597936 51864 33956 S 0.0 0.6 0:00.00 node<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6b63\u5982\u60a8\u5728\u8f93\u51fa\u4e2d\u6240\u770b\u5230\u7684\uff0cNode.js\u8fdb\u7a0b\u603b\u5171\u6709\u4e03\u4e2a\u7ebf\u7a0b\uff1a\u4e00\u4e2a\u7528\u4e8e\u6267\u884cJavaScript\u7684\u4e3b\u7ebf\u7a0b\uff0c\u56db\u4e2aNode.js\u7ebf\u7a0b\u548c\u4e24\u4e2aV8\u7ebf\u7a0b\u3002<\/p>\n<p>\u5982\u524d\u6240\u8ff0\uff0c\u56db\u4e2aNode.js\u7ebf\u7a0b\u7528\u4e8eI\/O\u64cd\u4f5c\uff0c\u4f7f\u5b83\u4eec\u53d8\u4e3a\u975e\u963b\u585e\u72b6\u6001\u3002\u5b83\u4eec\u5728\u8fd9\u65b9\u9762\u8868\u73b0\u826f\u597d\uff0c\u81ea\u5df1\u4e3aI\/O\u64cd\u4f5c\u521b\u5efa\u7ebf\u7a0b\u53ef\u80fd\u4f1a\u964d\u4f4e\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u3002\u7136\u800c\uff0c\u5bf9\u4e8eCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u5c31\u65e0\u6cd5\u8fd9\u6837\u8bf4\u4e86\u3002CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u4e0d\u4f1a\u4f7f\u7528\u8fdb\u7a0b\u4e2d\u7684\u989d\u5916\u7ebf\u7a0b\uff0c\u800c\u662f\u4f1a\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002<\/p>\n<p>\u73b0\u5728\u6309\u4e0bq\u952e\u9000\u51fatop\uff0c\u5e76\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u505c\u6b62Node\u8fdb\u7a0b\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">kill<\/span> <span class=\"token parameter variable\">-9<\/span> <mark><span class=\"token number\">9933<\/span><\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u65e2\u7136\u4f60\u5df2\u7ecf\u4e86\u89e3\u4e86Node.js\u8fdb\u7a0b\u4e2d\u7684\u7ebf\u7a0b\uff0c\u63a5\u4e0b\u6765\u4f60\u5c06\u5728\u4e0b\u4e00\u4e2a\u90e8\u5206\u4e2d\u7f16\u5199\u4e00\u4e2aCPU\u5bc6\u96c6\u578b\u7684\u4efb\u52a1\uff0c\u5e76\u89c2\u5bdf\u5b83\u5bf9\u4e3b\u7ebf\u7a0b\u7684\u5f71\u54cd\u3002<\/p>\n<h2>\u5728\u6ca1\u6709\u5de5\u4f5c\u7ebf\u7a0b\u7684\u60c5\u51b5\u4e0b\u521b\u5efa\u4e00\u4e2aCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u5728\u672c\u7ae0\u4e2d\uff0c\u60a8\u5c06\u6784\u5efa\u4e00\u4e2aExpress\u5e94\u7528\u7a0b\u5e8f\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2a\u975e\u963b\u585e\u7684\u8def\u7531\u548c\u4e00\u4e2a\u8fd0\u884cCPU\u7ed1\u5b9a\u4efb\u52a1\u7684\u963b\u585e\u8def\u7531\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5728\u4f60\u559c\u6b22\u7684\u7f16\u8f91\u5668\u4e2d\u6253\u5f00index.js\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">nano<\/span> index.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5728\u4f60\u7684index.js\u6587\u4ef6\u4e2d\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u4ee5\u521b\u5efa\u4e00\u4e2a\u57fa\u672c\u7684\u670d\u52a1\u5668\uff1a<\/p>\n<div>\u591a\u7ebf\u7a0b\u6f14\u793a\/index.js<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">const<\/span> express <span class=\"token operator\">=<\/span> <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"express\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">const<\/span> app <span class=\"token operator\">=<\/span> <span class=\"token function\">express<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">const<\/span> port <span class=\"token operator\">=<\/span> process<span class=\"token punctuation\">.<\/span>env<span class=\"token punctuation\">.<\/span><span class=\"token constant\">PORT<\/span> <span class=\"token operator\">||<\/span> <span class=\"token number\">3000<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/non-blocking\/\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span>\r\n  res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"This page is non-blocking\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span>\r\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">App listening on port <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>port<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u5728\u4e0b\u9762\u7684\u4ee3\u7801\u5757\u4e2d\uff0c\u4f60\u4f7f\u7528 Express \u521b\u5efa\u4e86\u4e00\u4e2aHTTP\u670d\u52a1\u5668\u3002\u5728\u7b2c\u4e00\u884c\u4e2d\uff0c\u4f60\u5bfc\u5165\u4e86express\u6a21\u5757\u3002\u63a5\u4e0b\u6765\uff0c\u4f60\u5c06app\u53d8\u91cf\u8bbe\u7f6e\u4e3a\u4e00\u4e2aExpress\u5b9e\u4f8b\u3002\u7136\u540e\uff0c\u4f60\u5b9a\u4e49\u4e86port\u53d8\u91cf\uff0c\u7528\u4e8e\u4fdd\u5b58\u670d\u52a1\u5668\u5e94\u8be5\u76d1\u542c\u7684\u7aef\u53e3\u53f7\u3002<\/p>\n<p>\u7d27\u63a5\u7740\uff0c\u4f60\u4f7f\u7528app.get(&#8216;\/non-blocking&#8217;)\u6765\u5b9a\u4e49\u5e94\u8be5\u53d1\u9001GET\u8bf7\u6c42\u7684\u8def\u7531\u3002\u6700\u540e\uff0c\u4f60\u8c03\u7528app.listen()\u65b9\u6cd5\u6765\u6307\u793a\u670d\u52a1\u5668\u5f00\u59cb\u57283000\u7aef\u53e3\u4e0a\u8fdb\u884c\u76d1\u542c\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u5b9a\u4e49\u53e6\u4e00\u6761\u8def\u7531\/\u963b\u585e\/\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2a\u5360\u7528CPU\u8d44\u6e90\u7684\u7e41\u91cd\u4efb\u52a1\u3002<\/p>\n<div>\u591a\u7ebf\u7a0b\u6f14\u793a\/\u7d22\u5f15\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">...<\/span>\r\n<mark>app<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/blocking\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n  <mark><span class=\"token keyword\">let<\/span> counter <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark><span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">20_000_000_000<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n    <mark>counter<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark><span class=\"token punctuation\">}<\/span><\/mark>\r\n  <mark>res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">result is <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>counter<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n<mark><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span>\r\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">App listening on port <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>port<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u5728Node.js\u591a\u7ebf\u7a0b\u5e94\u7528\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>app.get(\"\/blocking\")<\/code> \u6765\u5b9a\u4e49\u4e00\u4e2a&#8221;\u963b\u585e\u8def\u7531&#8221;\u3002\u8be5\u8def\u7531\u63a5\u53d7\u4e00\u4e2a\u4ee5 <code>async<\/code> \u5173\u952e\u5b57\u4e3a\u524d\u7f00\u7684\u5f02\u6b65\u56de\u8c03\u51fd\u6570\u4f5c\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570\uff0c\u7528\u4e8e\u8fd0\u884c\u4e00\u4e2a\u8017\u8d39CPU\u8d44\u6e90\u7684\u4efb\u52a1\u3002\u5728\u56de\u8c03\u51fd\u6570\u5185\u90e8\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a <code>for<\/code> \u5faa\u73af\uff0c\u5b83\u4f1a\u8fed\u4ee3200\u4ebf\u6b21\uff0c\u6bcf\u6b21\u8fed\u4ee3\u90fd\u5c06\u8ba1\u6570\u5668\u53d8\u91cf\u52a01\u3002\u8fd9\u4e2a\u8ba1\u7b97\u5bc6\u96c6\u578b\u4efb\u52a1\u5b8c\u5168\u5728CPU\u4e0a\u8fd0\u884c\uff0c\u901a\u5e38\u9700\u8981\u51e0\u79d2\u949f\u624d\u80fd\u5b8c\u6210\u3002<\/p>\n<p>\u5b9e\u73b0\u8fd9\u4e2a\u963b\u585e\u8def\u7531\u540e\uff0c\u4f60\u7684 <code>index.js<\/code> \u6587\u4ef6\u7ed3\u6784\u5c06\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<div>\u591a\u7ebf\u7a0b\u793a\u4f8b\/index.js<\/div>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">const<\/span> express <span class=\"token operator\">=<\/span> <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"express\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">const<\/span> app <span class=\"token operator\">=<\/span> <span class=\"token function\">express<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">const<\/span> port <span class=\"token operator\">=<\/span> process<span class=\"token punctuation\">.<\/span>env<span class=\"token punctuation\">.<\/span><span class=\"token constant\">PORT<\/span> <span class=\"token operator\">||<\/span> <span class=\"token number\">3000<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/non-blocking\/\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"This page is non-blocking\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/blocking\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token keyword\">let<\/span> counter <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">20_000_000_000<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n    counter<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token punctuation\">}<\/span>\r\n  res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">result is <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>counter<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">App listening on port <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>port<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u4fdd\u5b58\u5e76\u9000\u51fa\u6587\u4ef6\uff0c\u7136\u540e\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u542f\u52a8\u670d\u52a1\u5668\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">node<\/span> index.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5f53\u4f60\u8fd0\u884c\u8fd9\u4e2a\u547d\u4ee4\u65f6\uff0c\u4f60\u5c06\u4f1a\u770b\u5230\u7c7b\u4f3c\u4e8e\u4ee5\u4e0b\u7684\u8f93\u51fa\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"\u8f93\u51fa\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5e94\u7528\u7a0b\u5e8f\u6b63\u5728\u76d1\u542c\u7aef\u53e33000<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u8fd9\u663e\u793a\u670d\u52a1\u5668\u6b63\u5728\u8fd0\u884c\u5e76\u51c6\u5907\u670d\u52a1\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u5728\u60a8\u559c\u6b22\u7684\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95eehttp:\/\/localhost:3000\/non-blocking\u3002\u60a8\u4f1a\u7acb\u5373\u770b\u5230\u4e00\u6761\u5e26\u6709&#8221;\u6b64\u9875\u9762\u662f\u975e\u963b\u585e\u7684&#8221;\u6d88\u606f\u7684\u56de\u5e94\u3002<\/p>\n<div class=\"post-conf-note\">\n<p class=\"post-conf-desc\">\u6ce8\u610f: \u5982\u679c\u60a8\u6b63\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u8ddf\u968f\u6559\u7a0b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u7aef\u53e3\u8f6c\u53d1\u5728\u6d4f\u89c8\u5668\u4e2d\u6d4b\u8bd5\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>\u5728Express\u670d\u52a1\u5668\u4ecd\u5728\u8fd0\u884c\u65f6\uff0c\u5728\u60a8\u7684\u672c\u5730\u8ba1\u7b97\u673a\u4e0a\u6253\u5f00\u53e6\u4e00\u4e2a\u7ec8\u7aef\uff0c\u5e76\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4:<\/p>\n<p>ssh -L 3000:localhost:3000 your-non-root-user@yourserver-ip<\/p>\n<p>\u8fde\u63a5\u5230\u670d\u52a1\u5668\u540e\uff0c\u5728\u672c\u5730\u673a\u5668\u7684Web\u6d4f\u89c8\u5668\u4e2d\u5bfc\u822a\u5230http:\/\/localhost:3000\/non-blocking\u3002\u5728\u672c\u6559\u7a0b\u7684\u5176\u4f59\u90e8\u5206\u4e2d\u4fdd\u6301\u7b2c\u4e8c\u4e2a\u7ec8\u7aef\u5f00\u542f\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6253\u5f00\u4e00\u4e2a\u65b0\u7684\u6807\u7b7e\u9875\u8bbf\u95eehttp:\/\/localhost:3000\/blocking\u3002\u9875\u9762\u52a0\u8f7d\u65f6\uff0c\u8fc5\u901f\u6253\u5f00\u53e6\u5916\u4e24\u4e2a\u6807\u7b7e\u9875\u5e76\u518d\u6b21\u8bbf\u95eehttp:\/\/localhost:3000\/non-blocking\u3002\u4f60\u5c06\u4f1a\u53d1\u73b0\u4f60\u4e0d\u4f1a\u7acb\u5373\u5f97\u5230\u54cd\u5e94\uff0c\u5e76\u4e14\u9875\u9762\u5c06\u4e0d\u65ad\u5c1d\u8bd5\u52a0\u8f7d\u3002\u53ea\u6709\u5728\/blocking\u8def\u5f84\u5b8c\u6210\u52a0\u8f7d\u5e76\u8fd4\u56de\u7ed3\u679c20000000000\u540e\uff0c\u5176\u4f59\u7684\u8def\u5f84\u624d\u4f1a\u8fd4\u56de\u54cd\u5e94\u3002<\/p>\n<\/div>\n<p>\u6240\u6709\u975e\u963b\u585e\u8def\u7531\u4e0d\u8d77\u4f5c\u7528\u7684\u539f\u56e0\u662f\u56e0\u4e3a\u6709\u4e00\u4e2a\u5360\u7528CPU\u7684\u5faa\u73af\u963b\u585e\u4e86\u4e3b\u7ebf\u7a0b\u3002\u5f53\u4e3b\u7ebf\u7a0b\u88ab\u963b\u585e\u65f6\uff0cNode.js\u65e0\u6cd5\u54cd\u5e94\u4efb\u4f55\u8bf7\u6c42\uff0c\u76f4\u5230CPU\u7ed1\u5b9a\u4efb\u52a1\u5b8c\u6210\u3002\u56e0\u6b64\uff0c\u5982\u679c\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u6709\u6210\u5343\u4e0a\u4e07\u4e2a\u540c\u65f6\u53d1\u8d77GET\u8bf7\u6c42\u7684\u975e\u963b\u585e\u8def\u7531\uff0c\u53ea\u9700\u8bbf\u95ee\u4e00\u6b21\u963b\u585e\u8def\u7531\uff0c\u5c31\u8db3\u4ee5\u4f7f\u5f97\u6240\u6709\u5e94\u7528\u7a0b\u5e8f\u8def\u7531\u65e0\u6cd5\u54cd\u5e94\u3002<\/p>\n<p>\u6839\u636e\u60a8\u6240\u89c1\uff0c\u963b\u585e\u4e3b\u7ebf\u7a0b\u53ef\u80fd\u4f1a\u5f71\u54cd\u7528\u6237\u4f7f\u7528\u60a8\u7684\u5e94\u7528\u7684\u4f53\u9a8c\u3002\u4e3a\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u60a8\u9700\u8981\u5c06\u6d88\u8017CPU\u8d44\u6e90\u7684\u4efb\u52a1\u8f6c\u79fb\u5230\u53e6\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u4ee5\u4fbf\u4e3b\u7ebf\u7a0b\u53ef\u4ee5\u7ee7\u7eed\u5904\u7406\u5176\u4ed6HTTP\u8bf7\u6c42\u3002<\/p>\n<p>\u5728\u5b8c\u6210\u8fd9\u4e00\u6b65\u4e4b\u540e\uff0c\u6309\u4e0bCTRL + C\u505c\u6b62\u670d\u52a1\u5668\u3002\u5728\u5bf9index.js\u6587\u4ef6\u8fdb\u884c\u66f4\u591a\u4fee\u6539\u540e\uff0c\u60a8\u5c06\u5728\u4e0b\u4e00\u8282\u91cd\u65b0\u542f\u52a8\u670d\u52a1\u5668\u3002\u505c\u6b62\u670d\u52a1\u5668\u7684\u539f\u56e0\u662fNode.js\u5728\u6587\u4ef6\u8fdb\u884c\u65b0\u7684\u66f4\u6539\u65f6\u4e0d\u4f1a\u81ea\u52a8\u5237\u65b0\u3002<\/p>\n<p>\u65e2\u7136\u4f60\u660e\u767d\u4e86CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u5bf9\u5e94\u7528\u7a0b\u5e8f\u7684\u8d1f\u9762\u5f71\u54cd\uff0c\u73b0\u5728\u4f60\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528Promise\u6765\u907f\u514d\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002<\/p>\n<h2>\u4f7f\u7528Promise\u6765\u5378\u8f7dCPU\u5bc6\u96c6\u578b\u4efb\u52a1<\/h2>\n<p>\u901a\u5e38\uff0c\u5f53\u5f00\u53d1\u8005\u4e86\u89e3\u5230\u7531\u4e8eCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u4ea7\u751f\u7684\u963b\u585e\u6027\u80fd\u95ee\u9898\u65f6\uff0c\u4ed6\u4eec\u4f1a\u4f7f\u7528Promise\uff08\u627f\u8bfa\uff09\u6765\u4f7f\u4ee3\u7801\u53d8\u5f97\u975e\u963b\u585e\u3002\u8fd9\u79cd\u76f4\u89c9\u6e90\u81ea\u4e8e\u4f7f\u7528\u975e\u963b\u585e\u7684\u57fa\u4e8ePromise\u7684I\/O\u65b9\u6cd5\uff0c\u5982readFile()\u548cwriteFile()\u3002\u4f46\u662f\u5982\u4f60\u6240\u5b66\uff0cI\/O\u64cd\u4f5c\u5229\u7528\u4e86Node.js\u7684\u9690\u85cf\u7ebf\u7a0b\uff0c\u800cCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u5219\u6ca1\u6709\u4f7f\u7528\u8fd9\u4e9b\u7ebf\u7a0b\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u5728\u672c\u8282\u4e2d\uff0c\u4f60\u5c06\u628aCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u5c01\u88c5\u5728\u4e00\u4e2aPromise\u4e2d\uff0c\u4ee5\u8bd5\u56fe\u5c06\u5176\u53d8\u4e3a\u975e\u963b\u585e\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4f1a\u8d77\u4f5c\u7528\uff0c\u4f46\u5b83\u5c06\u5e2e\u52a9\u4f60\u770b\u5230\u4f7f\u7528\u5de5\u4f5c\u7ebf\u7a0b\u7684\u4ef7\u503c\uff0c\u800c\u8fd9\u5c06\u4f1a\u5728\u4e0b\u4e00\u8282\u4e2d\u4ecb\u7ecd\u3002<\/p>\n<p>\u8bf7\u518d\u6b21\u5728\u7f16\u8f91\u5668\u4e2d\u6253\u5f00index.js\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">nano<\/span> index.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5728\u4f60\u7684index.js\u6587\u4ef6\u4e2d\uff0c\u5220\u9664\u5305\u542bCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u7a81\u51fa\u663e\u793a\u4ee3\u7801\u3002<\/p>\n<div>\n<p>\u591a\u7ebf\u7a0b\u6f14\u793a\/\u7d22\u5f15.js<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">...<\/span>\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/blocking\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span>\r\n  <mark><span class=\"token keyword\">let<\/span> counter <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark><span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">20_000_000_000<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n    <mark>counter<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark><span class=\"token punctuation\">}<\/span><\/mark>\r\n  res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">result is <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>counter<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token operator\">...<\/span>\r\n<\/code><\/pre>\n<\/div>\n<p>\u63a5\u4e0b\u6765\uff0c\u6dfb\u52a0\u4e0b\u9762\u7a81\u51fa\u663e\u793a\u7684\u4ee3\u7801\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2a\u8fd4\u56dePromise\u7684\u51fd\u6570\u3002<\/p>\n<div>\n<p>\u591a\u7ebf\u7a0b\u6f14\u793a\/\u7d22\u5f15.js<\/p>\n<\/div>\n<pre class=\"post-pre\"><code><span class=\"token operator\">...<\/span>\r\n<mark><span class=\"token keyword\">function<\/span> <span class=\"token function\">calculateCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n  <mark><span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Promise<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">resolve<span class=\"token punctuation\">,<\/span> reject<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n    <mark><span class=\"token keyword\">let<\/span> counter <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n    <mark><span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">20_000_000_000<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n      <mark>counter<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n    <mark><span class=\"token punctuation\">}<\/span><\/mark>\r\n    <mark><span class=\"token function\">resolve<\/span><span class=\"token punctuation\">(<\/span>counter<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n<mark><span class=\"token punctuation\">}<\/span><\/mark>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/blocking\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span>\r\n  res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">\u8ba1\u7b97\u7ed3\u679c\u662f <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>counter<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u51fd\u6570<code>calculateCount()<\/code>\u73b0\u5728\u5305\u542b\u4e86\u4f60\u5728<code>\/blocking<\/code>\u5904\u7406\u51fd\u6570\u4e2d\u7684\u8ba1\u7b97\u3002\u8be5\u51fd\u6570\u8fd4\u56de\u4e00\u4e2aPromise\uff0c\u5b83\u4f7f\u7528\u65b0\u7684Promise\u8bed\u6cd5\u8fdb\u884c\u521d\u59cb\u5316\u3002\u8fd9\u4e2aPromise\u91c7\u7528\u4e00\u4e2a\u5e26\u6709resolve\u548creject\u53c2\u6570\u7684\u56de\u8c03\u51fd\u6570\uff0c\u7528\u6765\u5904\u7406\u6210\u529f\u6216\u5931\u8d25\u7684\u60c5\u51b5\u3002\u5f53for\u5faa\u73af\u8fd0\u884c\u7ed3\u675f\u65f6\uff0cPromise\u4f1a\u901a\u8fc7counter\u53d8\u91cf\u7684\u503c\u6765\u89e3\u6790\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u5728index.js\u6587\u4ef6\u4e2d\u7684<code>\/blocking<\/code>\u5904\u7406\u51fd\u6570\u4e2d\u8c03\u7528<code>calculateCount()<\/code>\u51fd\u6570\u3002<\/p>\n<p>\u591a\u7ebf\u7a0b\u793a\u4f8b\/index.js<\/p>\n<pre class=\"post-pre\"><code>app<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/blocking\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span>\r\n  <mark><span class=\"token keyword\">const<\/span> counter <span class=\"token operator\">=<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">calculateCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">\u8ba1\u7b97\u7ed3\u679c\u662f <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>counter<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u91cc\uff0c\u60a8\u8c03\u7528\u4e86calculateCount()\u51fd\u6570\uff0c\u5e76\u5728\u524d\u9762\u52a0\u4e0aawait\u5173\u952e\u5b57\u6765\u7b49\u5f85Promise\u89e3\u6790\u3002\u4e00\u65e6Promise\u89e3\u6790\u5b8c\u6210\uff0c\u8ba1\u6570\u5668\u53d8\u91cf\u5c31\u4f1a\u88ab\u8bbe\u7f6e\u4e3a\u89e3\u6790\u540e\u7684\u503c\u3002<\/p>\n<p>\u60a8\u7684\u5b8c\u6574\u4ee3\u7801\u73b0\u5728\u5c06\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<div>\u591a\u7ebf\u7a0b\u6f14\u793a\/index.js<\/div>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">const<\/span> express <span class=\"token operator\">=<\/span> <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"express\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">const<\/span> app <span class=\"token operator\">=<\/span> <span class=\"token function\">express<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">const<\/span> port <span class=\"token operator\">=<\/span> process<span class=\"token punctuation\">.<\/span>env<span class=\"token punctuation\">.<\/span><span class=\"token constant\">PORT<\/span> <span class=\"token operator\">||<\/span> <span class=\"token number\">3000<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/non-blocking\/\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u8fd9\u4e2a\u9875\u9762\u662f\u975e\u963b\u585e\u7684\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">function<\/span> <span class=\"token function\">calculateCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Promise<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">resolve<span class=\"token punctuation\">,<\/span> reject<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n    <span class=\"token keyword\">let<\/span> counter <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>\r\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\"><<\/span> <span class=\"token number\">20_000_000_000<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n      counter<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span>\r\n    <span class=\"token punctuation\">}<\/span>\r\n    <span class=\"token function\">resolve<\/span><span class=\"token punctuation\">(<\/span>counter<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/blocking\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token keyword\">const<\/span> counter <span class=\"token operator\">=<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">calculateCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">\u8ba1\u7b97\u7ed3\u679c\u662f <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>counter<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">\u5e94\u7528\u6b63\u5728\u76d1\u542c\u7aef\u53e3 <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>port<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u4fdd\u5b58\u5e76\u9000\u51fa\u6587\u4ef6\uff0c\u7136\u540e\u91cd\u65b0\u542f\u52a8\u670d\u52a1\u5668\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">node<\/span> index.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5728\u60a8\u7684\u7f51\u7edc\u6d4f\u89c8\u5668\u4e2d\uff0c\u8bbf\u95ee http:\/\/localhost:3000\/blocking\uff0c\u5e76\u5728\u52a0\u8f7d\u65f6\uff0c\u5feb\u901f\u91cd\u65b0\u52a0\u8f7d http:\/\/localhost:3000\/non-blocking \u6807\u7b7e\u9875\u3002\u60a8\u4f1a\u53d1\u73b0\uff0c\u975e\u963b\u585e\u8def\u7531\u4ecd\u7136\u53d7\u5230\u5f71\u54cd\uff0c\u5b83\u4eec\u90fd\u5c06\u7b49\u5f85 \/blocking \u8def\u7531\u5b8c\u6210\u52a0\u8f7d\u3002\u56e0\u4e3a\u8def\u7531\u4ecd\u7136\u53d7\u5230\u5f71\u54cd\uff0c\u6240\u4ee5Promise\uff08\u627f\u8bfa\uff09\u65e0\u6cd5\u4f7fJavaScript\u4ee3\u7801\u5e76\u884c\u6267\u884c\uff0c\u4e5f\u4e0d\u80fd\u7528\u4e8e\u4f7fCPU\u5bc6\u96c6\u4efb\u52a1\u53d8\u4e3a\u975e\u963b\u585e\u3002<\/p>\n<p>\u4f7f\u7528CTRL+C\u505c\u6b62\u5e94\u7528\u670d\u52a1\u5668\u3002<\/p>\n<p>\u65e2\u7136\u60a8\u77e5\u9053Promise\u4e0d\u63d0\u4f9b\u4efb\u4f55\u673a\u5236\u5c06CPU\u7ed1\u5b9a\u4efb\u52a1\u53d8\u4e3a\u975e\u963b\u585e\uff0c\u90a3\u4e48\u60a8\u5c06\u4f1a\u4f7f\u7528Node.js\u7684worker-threads\uff08\u5de5\u4f5c\u7ebf\u7a0b\uff09\u6a21\u5757\u5c06CPU\u7ed1\u5b9a\u4efb\u52a1\u5206\u79bb\u5230\u4e00\u4e2a\u72ec\u7acb\u7684\u7ebf\u7a0b\u4e2d\u3002<\/p>\n<h2>\u4f7f\u7528worker-threads\u6a21\u5757\u6765\u5378\u8f7d\u4e00\u4e2aCPU\u7ed1\u5b9a\u7684\u4efb\u52a1<\/h2>\n<p>\u5728\u8fd9\u90e8\u5206\u4e2d\uff0c\u60a8\u5c06\u4f7f\u7528 worker_threads \u6a21\u5757\u5c06\u4e00\u4e2aCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u8f6c\u79fb\u5230\u53e6\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u4ee5\u907f\u514d\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002\u4e3a\u4e86\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u60a8\u5c06\u521b\u5efa\u4e00\u4e2a worker.js \u6587\u4ef6\uff0c\u5176\u4e2d\u5305\u542bCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u3002\u5728 index.js \u6587\u4ef6\u4e2d\uff0c\u60a8\u5c06\u4f7f\u7528 worker_threads \u6a21\u5757\u521d\u59cb\u5316\u7ebf\u7a0b\u5e76\u5728 worker.js \u6587\u4ef6\u4e2d\u542f\u52a8\u4efb\u52a1\uff0c\u4f7f\u5176\u4e0e\u4e3b\u7ebf\u7a0b\u5e76\u884c\u8fd0\u884c\u3002\u4efb\u52a1\u5b8c\u6210\u540e\uff0c\u5de5\u4f5c\u7ebf\u7a0b\u5c06\u5411\u4e3b\u7ebf\u7a0b\u53d1\u9001\u5305\u542b\u7ed3\u679c\u7684\u6d88\u606f\u3002<\/p>\n<p>\u9996\u5148\uff0c\u4f7f\u7528 nproc \u547d\u4ee4\u9a8c\u8bc1\u60a8\u662f\u5426\u62e5\u67092\u4e2a\u6216\u66f4\u591a\u5185\u6838\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">nproc<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"\u8f93\u51fa\">\u8f93\u51fa<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p><mark>4<\/mark><\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<\/div>\n<p>\u5982\u679c\u663e\u793a\u51fa\u4e24\u4e2a\u6216\u66f4\u591a\u4e2a\u6838\u5fc3\uff0c\u4f60\u53ef\u4ee5\u8fdb\u884c\u4e0b\u4e00\u6b65\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u5728\u4f60\u7684\u6587\u672c\u7f16\u8f91\u5668\u4e2d\u521b\u5efa\u5e76\u6253\u5f00 worker.js \u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">nano<\/span> worker.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5728\u60a8\u7684 worker.js \u6587\u4ef6\u4e2d\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u4ee5\u5bfc\u5165 worker_threads \u6a21\u5757\u5e76\u6267\u884c CPU \u5bc6\u96c6\u578b\u4efb\u52a1\u3002<\/p>\n<div>\u591a\u7ebf\u7a0b\u6f14\u793a\/worker.js<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span> parentPort <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">=<\/span> <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"worker_threads\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">let<\/span> counter <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">20_000_000_000<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n  counter<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<\/div>\n<p>\u7b2c\u4e00\u884c\u52a0\u8f7d\u4e86 <code>worker_threads<\/code> \u6a21\u5757\uff0c\u5e76\u63d0\u53d6\u4e86 <code>parentPort<\/code> \u7c7b\u3002\u8be5\u7c7b\u63d0\u4f9b\u4e86\u53ef\u4ee5\u7528\u6765\u5411\u4e3b\u7ebf\u7a0b\u53d1\u9001\u6d88\u606f\u7684\u65b9\u6cd5\u3002\u63a5\u4e0b\u6765\uff0c\u4f60\u6709\u4e00\u4e2a\u5728 index.js \u6587\u4ef6\u4e2d\u5f53\u524d\u4f4d\u4e8e <code>calculateCount()<\/code> \u51fd\u6570\u5185\u7684CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u3002\u5728\u540e\u9762\u7684\u6b65\u9aa4\u4e2d\uff0c\u4f60\u5c06\u4ece index.js \u4e2d\u5220\u9664\u8fd9\u4e2a\u51fd\u6570\u3002<\/p>\n<p>\u6309\u7167\u8fd9\u4e2a\u6b65\u9aa4\uff0c\u5728\u4e0b\u9762\u6dfb\u52a0\u6807\u8bb0\u7684\u4ee3\u7801\uff1a<\/p>\n<div>\u591a\u7ebf\u7a0b\u6f14\u793a\/worker.js<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span> parentPort <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">=<\/span> <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"worker_threads\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">let<\/span> counter <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">20_000_000_000<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n  counter<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n\r\n<mark>parentPort<span class=\"token punctuation\">.<\/span><span class=\"token function\">postMessage<\/span><span class=\"token punctuation\">(<\/span>counter<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n<\/code><\/pre>\n<\/div>\n<p>\u5728\u8fd9\u91cc\uff0c\u60a8\u8c03\u7528\u4e86 parentPort \u7c7b\u7684 postMessage() \u65b9\u6cd5\uff0c\u5b83\u4f1a\u5411\u4e3b\u7ebf\u7a0b\u53d1\u9001\u4e00\u6761\u6d88\u606f\uff0c\u6d88\u606f\u4e2d\u5305\u542b\u8ba1\u6570\u5668\u53d8\u91cf\u4e2d\u5b58\u50a8\u7684CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u4fdd\u5b58\u5e76\u9000\u51fa\u6587\u4ef6\u3002\u5728\u60a8\u7684\u6587\u672c\u7f16\u8f91\u5668\u4e2d\u6253\u5f00 index.js \u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">nano<\/span> index.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u65e2\u7136\u4f60\u5df2\u7ecf\u5728 worker.js \u4e2d\u6709\u4e86CPU\u7ed1\u5b9a\u7684\u4efb\u52a1\uff0c\u90a3\u5c31\u4ece index.js \u4e2d\u5220\u9664\u6389\u88ab\u6807\u8bb0\u7684\u4ee3\u7801\u3002<\/p>\n<div>\u591a\u7ebf\u7a0b\u6f14\u793a\/index.js<\/div>\n<p>\u8fd9\u662f\u6587\u7ae0\u300a\u4f7f\u7528\u591a\u7ebf\u7a0b\u5728Node.js\u4e2d\u7684\u65b9\u6cd5\u5982\u4f55\uff1f\u300b\u7684\u7b2c13\u90e8\u5206\uff08\u517123\u90e8\u5206\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">const<\/span> express <span class=\"token operator\">=<\/span> <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"express\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">const<\/span> app <span class=\"token operator\">=<\/span> <span class=\"token function\">express<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">const<\/span> port <span class=\"token operator\">=<\/span> process<span class=\"token punctuation\">.<\/span>env<span class=\"token punctuation\">.<\/span><span class=\"token constant\">PORT<\/span> <span class=\"token operator\">||<\/span> <span class=\"token number\">3000<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/non-blocking\/\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u8fd9\u4e2a\u9875\u9762\u662f\u975e\u963b\u585e\u7684\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<mark><span class=\"token keyword\">function<\/span> <span class=\"token function\">calculateCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n  <mark><span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Promise<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">resolve<span class=\"token punctuation\">,<\/span> reject<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n    <mark><span class=\"token keyword\">let<\/span> counter <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n    <mark><span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">20_000_000_000<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n      <mark>counter<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n    <mark><span class=\"token punctuation\">}<\/span><\/mark>\r\n    <mark><span class=\"token function\">resolve<\/span><span class=\"token punctuation\">(<\/span>counter<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n<mark><span class=\"token punctuation\">}<\/span><\/mark>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/blocking\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  <mark><span class=\"token keyword\">const<\/span> counter <span class=\"token operator\">=<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">calculateCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark>res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">\u8ba1\u7b97\u7ed3\u679c\u662f <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>counter<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">\u5e94\u7528\u7a0b\u5e8f\u6b63\u5728\u76d1\u542c\u7aef\u53e3 <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>port<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u591a\u7ebf\u7a0b\u6f14\u793a\/index.js<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u5728app.get(&#8220;\/blocking&#8221;)\u7684\u56de\u8c03\u51fd\u6570\u4e2d\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u6765\u521d\u59cb\u5316\u7ebf\u7a0b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">const<\/span> express <span class=\"token operator\">=<\/span> <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"express\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<mark><span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span> Worker <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">=<\/span> <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"worker_threads\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n<span class=\"token operator\">...<\/span>\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/blocking\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  <mark><span class=\"token keyword\">const<\/span> worker <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Worker<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\".\/worker.js\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark>worker<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"message\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">data<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n    <mark>res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">result is <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>data<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark>worker<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"error\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">msg<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n    <mark>res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">404<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">An error occurred: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>msg<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token operator\">...<\/span>\r\n<\/code><\/pre>\n<p>\u9996\u5148\uff0c\u60a8\u5bfc\u5165worker_threads\u6a21\u5757\u5e76\u89e3\u6784\u51faWorker\u7c7b\u3002\u5728app.get(&#8220;\/blocking&#8221;)\u56de\u8c03\u51fd\u6570\u4e2d\uff0c\u60a8\u4f7f\u7528new\u5173\u952e\u5b57\u521b\u5efa\u4e00\u4e2aWorker\u5b9e\u4f8b\uff0c\u5e76\u5c06worker.js\u6587\u4ef6\u8def\u5f84\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5b83\u3002\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u65b0\u7ebf\u7a0b\uff0cworker.js\u6587\u4ef6\u4e2d\u7684\u4ee3\u7801\u5c06\u5728\u53e6\u4e00\u4e2a\u6838\u5fc3\u4e0a\u7684\u7ebf\u7a0b\u4e2d\u5f00\u59cb\u8fd0\u884c\u3002<\/p>\n<p>\u968f\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528on(&#8220;message&#8221;)\u65b9\u6cd5\u5c06\u4e8b\u4ef6\u76d1\u542c\u5668\u9644\u52a0\u5230\u5de5\u4f5c\u7ebf\u7a0b\u5b9e\u4f8b\u4e0a\uff0c\u4ee5\u76d1\u542c\u6d88\u606f\u4e8b\u4ef6\u3002\u5f53\u63a5\u6536\u5230\u6765\u81eaworker.js\u6587\u4ef6\u7684\u5305\u542b\u7ed3\u679c\u7684\u6d88\u606f\u65f6\uff0c\u8be5\u6d88\u606f\u5c06\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u56de\u8c03\u51fd\u6570\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5305\u542bCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u7ed3\u679c\u7684\u54cd\u5e94\u7ed9\u7528\u6237\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528on(&#8220;error&#8221;)\u65b9\u6cd5\u5c06\u53e6\u4e00\u4e2a\u4e8b\u4ef6\u76d1\u542c\u5668\u9644\u52a0\u5230\u5de5\u4f5c\u7ebf\u7a0b\u5b9e\u4f8b\uff0c\u4ee5\u4fa6\u542c\u9519\u8bef\u4e8b\u4ef6\u3002\u5982\u679c\u51fa\u73b0\u9519\u8bef\uff0c\u56de\u8c03\u51fd\u6570\u5c06\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u9519\u8bef\u6d88\u606f\u7684404\u54cd\u5e94\u7ed9\u7528\u6237\u3002<\/p>\n<p>\u60a8\u7684\u5b8c\u6574\u6587\u4ef6\u73b0\u5728\u5c06\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<div>\u591a\u7ebf\u7a0b\u6f14\u793a\/index.js<\/div>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">const<\/span> express <span class=\"token operator\">=<\/span> <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"express\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span> Worker <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">=<\/span> <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"worker_threads\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">const<\/span> app <span class=\"token operator\">=<\/span> <span class=\"token function\">express<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">const<\/span> port <span class=\"token operator\">=<\/span> process<span class=\"token punctuation\">.<\/span>env<span class=\"token punctuation\">.<\/span><span class=\"token constant\">PORT<\/span> <span class=\"token operator\">||<\/span> <span class=\"token number\">3000<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/non-blocking\/\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u8fd9\u4e2a\u9875\u9762\u662f\u975e\u963b\u585e\u7684\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/blocking\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token keyword\">const<\/span> worker <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Worker<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\".\/worker.js\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  worker<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"message\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">data<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n    res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">\u7ed3\u679c\u662f <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>data<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  worker<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"error\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">msg<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n    res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">404<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">\u53d1\u751f\u9519\u8bef: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>msg<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">\u5e94\u7528\u6b63\u5728\u76d1\u542c\u7aef\u53e3 <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>port<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u4fdd\u5b58\u5e76\u9000\u51fa\u60a8\u7684\u6587\u4ef6\uff0c\u7136\u540e\u8fd0\u884c\u670d\u52a1\u5668\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">node<\/span> index.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u518d\u6b21\u5728\u60a8\u7684\u7f51\u7edc\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95eehttp:\/\/localhost:3000\/blocking\u9875\u9762\u3002\u5728\u5b83\u52a0\u8f7d\u5b8c\u6210\u4e4b\u524d\uff0c\u5237\u65b0\u6240\u6709\u7684http:\/\/localhost:3000\/non-blocking\u9875\u9762\u3002\u60a8\u73b0\u5728\u5e94\u8be5\u6ce8\u610f\u5230\u5b83\u4eec\u4f1a\u7acb\u5373\u52a0\u8f7d\uff0c\u800c\u65e0\u9700\u7b49\u5f85\/blocking\u8def\u7531\u52a0\u8f7d\u5b8c\u6210\u3002\u8fd9\u662f\u56e0\u4e3aCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u5df2\u7ecf\u88ab\u5206\u914d\u5230\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u4e0a\uff0c\u4e3b\u7ebf\u7a0b\u5904\u7406\u6240\u6709\u4f20\u5165\u7684\u8bf7\u6c42\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u4f7f\u7528CTRL+C\u505c\u6b62\u60a8\u7684\u670d\u52a1\u5668\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u5de5\u4f5c\u7ebf\u7a0b\u4f7fCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u4e0d\u518d\u963b\u585e\uff0c\u56e0\u6b64\u4f60\u5c06\u4f7f\u7528\u56db\u4e2a\u5de5\u4f5c\u7ebf\u7a0b\u6765\u6539\u5584CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u6027\u80fd\u3002<\/p>\n<h2>\u4f7f\u7528\u56db\u4e2a\u5de5\u4f5c\u7ebf\u7a0b\u4f18\u5316\u4e00\u4e2aCPU\u5bc6\u96c6\u578b\u4efb\u52a1<\/h2>\n<p>\u5728\u8fd9\u4e2a\u90e8\u5206\u4e2d\uff0c\u4f60\u5c06\u628aCPU\u5bc6\u96c6\u4efb\u52a1\u5206\u914d\u7ed9\u56db\u4e2a\u5de5\u4f5c\u7ebf\u7a0b\uff0c\u4ee5\u4fbf\u5b83\u4eec\u53ef\u4ee5\u66f4\u5feb\u5730\u5b8c\u6210\u4efb\u52a1\u5e76\u7f29\u77ed\u963b\u585e\u8def\u7ebf\u7684\u52a0\u8f7d\u65f6\u95f4\u3002<\/p>\n<p>\u4e3a\u4e86\u8ba9\u66f4\u591a\u5de5\u4f5c\u7ebf\u7a0b\u540c\u65f6\u5904\u7406\u540c\u4e00\u4efb\u52a1\uff0c\u4f60\u9700\u8981\u5c06\u4efb\u52a1\u5206\u5272\u3002\u7531\u4e8e\u6b64\u4efb\u52a1\u9700\u8981\u5faa\u73af200\u4ebf\u6b21\uff0c\u4f60\u5c06200\u4ebf\u9664\u4ee5\u4f60\u60f3\u8981\u4f7f\u7528\u7684\u7ebf\u7a0b\u6570\u91cf\u3002\u5728\u672c\u4f8b\u4e2d\uff0c\u662f4\u4e2a\u7ebf\u7a0b\u3002\u8ba1\u7b97200_000_000_000 \/ 4\u5c06\u5f97\u52305_000_000_000\u3002\u56e0\u6b64\u6bcf\u4e2a\u7ebf\u7a0b\u5c06\u5faa\u73af\u4ece0\u52305_000_000_000\uff0c\u5e76\u5c06\u8ba1\u6570\u5668\u589e\u52a01\u3002\u5f53\u6bcf\u4e2a\u7ebf\u7a0b\u5b8c\u6210\u65f6\uff0c\u5b83\u5c06\u5411\u4e3b\u7ebf\u7a0b\u53d1\u9001\u5305\u542b\u7ed3\u679c\u7684\u6d88\u606f\u3002\u4e00\u65e6\u4e3b\u7ebf\u7a0b\u5206\u522b\u63a5\u6536\u5230\u6765\u81ea\u56db\u4e2a\u7ebf\u7a0b\u7684\u6d88\u606f\uff0c\u4f60\u5c06\u5408\u5e76\u7ed3\u679c\u5e76\u5411\u7528\u6237\u53d1\u9001\u4e00\u4e2a\u54cd\u5e94\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u9700\u8981\u8fed\u4ee3\u5927\u578b\u6570\u7ec4\u7684\u4efb\u52a1\uff0c\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u76f8\u540c\u7684\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u60f3\u8981\u8c03\u6574\u76ee\u5f55\u4e2d\u7684800\u4e2a\u56fe\u50cf\u5927\u5c0f\uff0c\u4f60\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u6240\u6709\u56fe\u50cf\u6587\u4ef6\u8def\u5f84\u7684\u6570\u7ec4\u3002\u63a5\u4e0b\u6765\uff0c\u5c06800\u9664\u4ee54\uff08\u7ebf\u7a0b\u6570\uff09\uff0c\u8ba9\u6bcf\u4e2a\u7ebf\u7a0b\u5904\u7406\u4e00\u4e2a\u8303\u56f4\u3002\u7b2c\u4e00\u4e2a\u7ebf\u7a0b\u5c06\u8c03\u6574\u6570\u7ec4\u7d22\u5f15\u4ece0\u5230199\u7684\u56fe\u50cf\u5927\u5c0f\uff0c\u7b2c\u4e8c\u4e2a\u7ebf\u7a0b\u4ece\u7d22\u5f15200\u5230399\uff0c\u4f9d\u6b64\u7c7b\u63a8\u3002<\/p>\n<p>\u9996\u5148\uff0c\u786e\u8ba4\u60a8\u7684\u7535\u8111\u62e5\u6709\u56db\u4e2a\u6216\u66f4\u591a\u6838\u5fc3\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">nproc<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"\u8f93\u51fa\">\u8f93\u51fa<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p><mark>4<\/mark><\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<\/div>\n<p>\u4f7f\u7528cp\u547d\u4ee4\u590d\u5236worker.js\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cp<\/span> worker.js four_workers.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5f53\u524d\u7684index.js\u548cworker.js\u6587\u4ef6\u5c06\u4fdd\u6301\u4e0d\u53d8\uff0c\u4ee5\u4fbf\u7a0d\u540e\u53ef\u4ee5\u518d\u6b21\u8fd0\u884c\u5b83\u4eec\u4ee5\u4e0e\u672c\u8282\u4e2d\u7684\u66f4\u6539\u8fdb\u884c\u6027\u80fd\u6bd4\u8f83\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6253\u5f00\u60a8\u7684\u6587\u672c\u7f16\u8f91\u5668\u4e2d\u7684four_workers.js\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">nano<\/span> four_workers.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5728\u4f60\u7684four_workers.js\u6587\u4ef6\u4e2d\uff0c\u6dfb\u52a0\u5982\u4e0b\u7a81\u51fa\u4ee3\u7801\u6765\u5f15\u5165workerData\u5bf9\u8c61\uff1a<\/p>\n<div>\u591a\u7ebf\u7a0b\u6f14\u793a\/\u56db\u4e2a\u5de5\u4f5c\u8005.js<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span> <mark>workerData<span class=\"token punctuation\">,<\/span><\/mark> parentPort <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">=<\/span> <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"worker_threads\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">let<\/span> counter <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">20_000_000_000<\/span><mark> <span class=\"token operator\">\/<\/span> workerData<span class=\"token punctuation\">.<\/span>thread_count<\/mark><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n  counter<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n\r\nparentPort<span class=\"token punctuation\">.<\/span><span class=\"token function\">postMessage<\/span><span class=\"token punctuation\">(<\/span>counter<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u9996\u5148\uff0c\u4f60\u63d0\u53d6WorkerData\u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u5305\u542b\u4ece\u4e3b\u7ebf\u7a0b\u4f20\u9012\u7684\u6570\u636e\uff0c\u5728\u521d\u59cb\u5316\u7ebf\u7a0b\u65f6\uff08\u5373\u5c06\u5728index.js\u6587\u4ef6\u4e2d\u5b8c\u6210\uff09\u4f20\u5165\u3002\u8be5\u5bf9\u8c61\u6709\u4e00\u4e2athread_count\u5c5e\u6027\uff0c\u8868\u793a\u7ebf\u7a0b\u6570\uff0c\u4e3a4\u3002\u63a5\u4e0b\u6765\u5728for\u5faa\u73af\u4e2d\uff0c\u5c0620_000_000_000\u9664\u4ee54\uff0c\u5f97\u52305_000_000_000\u3002<\/p>\n<p>\u4fdd\u5b58\u5e76\u5173\u95ed\u4f60\u7684\u6587\u4ef6\uff0c\u7136\u540e\u590d\u5236index.js\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cp<\/span> index.js index_four_workers.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5728\u4f60\u7684\u7f16\u8f91\u5668\u4e2d\u6253\u5f00index_four_workers.js\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">nano<\/span> index_four_workers.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5728\u4f60\u7684index_four_workers.js\u6587\u4ef6\u4e2d\uff0c\u6dfb\u52a0\u7a81\u51fa\u663e\u793a\u7684\u4ee3\u7801\u6765\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u5b9e\u4f8b\u3002<\/p>\n<div>\u591a\u7ebf\u7a0b\u6f14\u793a\/\u7d22\u5f15_\u56db\u4e2a\u5de5\u4f5c\u8005.js<\/div>\n<pre class=\"post-pre\"><code><span class=\"token operator\">...<\/span>\r\n<span class=\"token keyword\">const<\/span> app <span class=\"token operator\">=<\/span> <span class=\"token function\">express<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">const<\/span> port <span class=\"token operator\">=<\/span> process<span class=\"token punctuation\">.<\/span>env<span class=\"token punctuation\">.<\/span><span class=\"token constant\">PORT<\/span> <span class=\"token operator\">||<\/span> <span class=\"token number\">3000<\/span><span class=\"token punctuation\">;<\/span>\r\n<mark><span class=\"token keyword\">const<\/span> <span class=\"token constant\">THREAD_COUNT<\/span> <span class=\"token operator\">=<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n<span class=\"token operator\">...<\/span>\r\n<mark><span class=\"token keyword\">function<\/span> <span class=\"token function\">createWorker<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n  <mark><span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Promise<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">function<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">resolve<span class=\"token punctuation\">,<\/span> reject<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n    <mark><span class=\"token keyword\">const<\/span> worker <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Worker<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\".\/four_workers.js\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n      <mark><span class=\"token literal-property property\">workerData<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">thread_count<\/span><span class=\"token operator\">:<\/span> <span class=\"token constant\">THREAD_COUNT<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><\/mark>\r\n    <mark><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n<mark><span class=\"token punctuation\">}<\/span><\/mark>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/blocking\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token operator\">...<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>\r\n<span class=\"token operator\">...<\/span>\r\n<\/code><\/pre>\n<p>\u9996\u5148\uff0c\u60a8\u5b9a\u4e49<code>THREAD_COUNT<\/code>\u5e38\u91cf\uff0c\u5176\u4e2d\u5305\u542b\u60a8\u60f3\u521b\u5efa\u7684\u7ebf\u7a0b\u6570\u76ee\u3002\u4e4b\u540e\uff0c\u5f53\u60a8\u7684\u670d\u52a1\u5668\u4e0a\u6709\u66f4\u591a\u6838\u5fc3\u65f6\uff0c\u6269\u5c55\u4f1a\u6d89\u53ca\u5c06<code>THREAD_COUNT<\/code>\u7684\u503c\u66f4\u6539\u4e3a\u60a8\u60f3\u8981\u4f7f\u7528\u7684\u7ebf\u7a0b\u6570\u76ee\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c<code>createWorker()<\/code>\u51fd\u6570\u521b\u5efa\u5e76\u8fd4\u56de\u4e00\u4e2aPromise\u3002\u5728Promise\u56de\u8c03\u51fd\u6570\u4e2d\uff0c\u901a\u8fc7\u5c06<code>four_workers.js<\/code>\u6587\u4ef6\u7684\u6587\u4ef6\u8def\u5f84\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\u4f20\u9012\u7ed9Worker\u7c7b\uff0c\u521d\u59cb\u5316\u4e00\u4e2a\u65b0\u7684\u7ebf\u7a0b\u3002\u7136\u540e\uff0c\u5c06\u4e00\u4e2a\u5bf9\u8c61\u4f5c\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4f20\u9012\u3002\u63a5\u4e0b\u6765\uff0c\u5c06\u8be5\u5bf9\u8c61\u5206\u914d\u7ed9<code>workerData<\/code>\u5c5e\u6027\uff0c\u5176\u503c\u4e3a\u53e6\u4e00\u4e2a\u5bf9\u8c61\u3002\u6700\u540e\uff0c\u5c06\u8be5\u5bf9\u8c61\u5206\u914d\u7ed9<code>thread_count<\/code>\u5c5e\u6027\uff0c\u5176\u503c\u4e3a<code>THREAD_COUNT<\/code>\u5e38\u91cf\u4e2d\u7684\u7ebf\u7a0b\u6570\u3002<code>workerData<\/code>\u5bf9\u8c61\u662f\u4e4b\u524d\u5728<code>workers.js<\/code>\u6587\u4ef6\u4e2d\u5f15\u7528\u7684\u90a3\u4e2a\u5bf9\u8c61\u3002<\/p>\n<p>\u4e3a\u4e86\u786e\u4fdd\u627f\u8bfa\u80fd\u591f\u6210\u529f\u89e3\u51b3\u6216\u629b\u51fa\u9519\u8bef\uff0c\u8bf7\u6dfb\u52a0\u4e0b\u9762\u7a81\u51fa\u90e8\u5206\u7684\u4ee3\u7801\u884c\uff1a<\/p>\n<div>\u591a\u7ebf\u7a0b\u6f14\u793a\/\u6307\u6570\u56db\u4e2a\u5de5\u4f5c\u8005.js<\/div>\n<pre class=\"post-pre\"><code><span class=\"token operator\">...<\/span>\r\n<span class=\"token keyword\">function<\/span> <span class=\"token function\">createWorker<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Promise<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">function<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">resolve<span class=\"token punctuation\">,<\/span> reject<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n    <span class=\"token keyword\">const<\/span> worker <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Worker<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\".\/four_workers.js\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span>\r\n      <span class=\"token literal-property property\">workerData<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">thread_count<\/span><span class=\"token operator\">:<\/span> <span class=\"token constant\">THREAD_COUNT<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span>\r\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    <mark>worker<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"message\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">data<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n      <mark><span class=\"token function\">resolve<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n    <mark><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n    <mark>worker<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"error\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">msg<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n      <mark><span class=\"token function\">reject<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">An error ocurred: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>msg<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n    <mark><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<span class=\"token operator\">...<\/span>\r\n<\/code><\/pre>\n<p>\u5f53\u5de5\u4f5c\u7ebf\u7a0b\u5411\u4e3b\u7ebf\u7a0b\u53d1\u9001\u6d88\u606f\u65f6\uff0cPromise\u5c06\u901a\u8fc7\u8fd4\u56de\u7684\u6570\u636e\u6765\u89e3\u51b3\u3002\u7136\u800c\uff0c\u5982\u679c\u53d1\u751f\u9519\u8bef\uff0cPromise\u5c06\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\u6d88\u606f\u3002<\/p>\n<p>\u73b0\u5728\u60a8\u5df2\u7ecf\u5b9a\u4e49\u4e86\u4e00\u4e2a\u521d\u59cb\u5316\u65b0\u7ebf\u7a0b\u5e76\u4ece\u7ebf\u7a0b\u8fd4\u56de\u6570\u636e\u7684\u51fd\u6570\uff0c\u60a8\u5c06\u5728app.get(&#8220;\/blocking&#8221;)\u4e2d\u4f7f\u7528\u8be5\u51fd\u6570\u6765\u521b\u5efa\u65b0\u7684\u7ebf\u7a0b\u3002<\/p>\n<p>\u73b0\u5728\u60a8\u5df2\u7ecf\u5b9a\u4e49\u4e86\u4e00\u4e2a\u521d\u59cb\u5316\u65b0\u7ebf\u7a0b\u5e76\u8fd4\u56de\u7ebf\u7a0b\u6570\u636e\u7684\u51fd\u6570\uff0c\u60a8\u5c06\u5728app.get(&#8220;\/blocking&#8221;)\u4e2d\u4f7f\u7528\u8be5\u51fd\u6570\u6765\u751f\u6210\u65b0\u7ebf\u7a0b\u3002<\/p>\n<p>\u4f46\u662f\u9996\u5148\uff0c\u5220\u9664\u4ee5\u4e0b\u7a81\u51fa\u663e\u793a\u7684\u4ee3\u7801\uff0c\u56e0\u4e3a\u60a8\u5df2\u7ecf\u5728 createWorker() \u51fd\u6570\u4e2d\u5b9a\u4e49\u4e86\u6b64\u529f\u80fd\u3002<\/p>\n<div>\u591a\u7ebf\u7a0b\u6f14\u793a\/\u56db\u4e2a\u5de5\u4f5c\u7ebf\u7a0b\u7d22\u5f15.js<\/div>\n<pre class=\"post-pre\"><code><span class=\"token operator\">...<\/span>\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/blocking\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span>\r\n  <mark><span class=\"token keyword\">const<\/span> worker <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Worker<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\".\/worker.js\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark>worker<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"message\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">data<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n    <mark>res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">result is <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>data<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark>worker<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"error\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">msg<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n    <mark>res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">404<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">An error ocurred: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>msg<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token operator\">...<\/span>\r\n<\/code><\/pre>\n<p>\u5220\u9664\u4ee3\u7801\u540e\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u6765\u521d\u59cb\u5316\u56db\u4e2a\u5de5\u4f5c\u7ebf\u7a0b\uff1a<\/p>\n<div>\u591a\u7ebf\u7a0b\u6f14\u793a\/\u7d22\u5f15_\u56db\u4e2a\u5de5\u4f5c\u8005.js<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">...<\/span>\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/blocking\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span>\r\n  <mark><span class=\"token keyword\">const<\/span> workerPromises <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark><span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token constant\">THREAD_COUNT<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/mark>\r\n    <mark>workerPromises<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">createWorker<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark><span class=\"token punctuation\">}<\/span><\/mark>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token operator\">...<\/span>\r\n<\/code><\/pre>\n<p>\u9996\u5148\uff0c\u60a8\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3aworkerPromises\u7684\u53d8\u91cf\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2a\u7a7a\u6570\u7ec4\u3002\u63a5\u4e0b\u6765\uff0c\u60a8\u6309\u7167THREAD_COUNT\u7684\u503c\uff08\u53734\uff09\u8fdb\u884c\u76f8\u5e94\u6b21\u6570\u7684\u8fed\u4ee3\u3002\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\uff0c\u60a8\u8c03\u7528createWorker()\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7ebf\u7a0b\u3002\u7136\u540e\uff0c\u4f7f\u7528JavaScript\u7684push\u65b9\u6cd5\u5c06\u51fd\u6570\u8fd4\u56de\u7684promise\u5bf9\u8c61\u63a8\u5165workerPromises\u6570\u7ec4\u4e2d\u3002\u5f53\u5faa\u73af\u7ed3\u675f\u65f6\uff0cworkerPromises\u6570\u7ec4\u4e2d\u5c06\u5305\u542b\u56db\u4e2a\u7ecf\u8fc7createWorker()\u51fd\u6570\u8c03\u7528\u8fd4\u56de\u7684promise\u5bf9\u8c61\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u5728\u4e0b\u9762\u6dfb\u52a0\u4ee5\u4e0b\u7a81\u51fa\u663e\u793a\u7684\u4ee3\u7801\uff0c\u7b49\u5f85\u627f\u8bfa\u89e3\u51b3\u5e76\u5411\u7528\u6237\u8fd4\u56de\u54cd\u5e94\u3002<\/p>\n<div>\u591a\u7ebf\u7a0b\u6f14\u793a\/index_four_workers.js<\/p>\n<pre class=\"post-pre\"><code>app<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/blocking\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token keyword\">const<\/span> workerPromises <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token constant\">THREAD_COUNT<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n    workerPromises<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">createWorker<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token punctuation\">}<\/span>\r\n\r\n  <mark><span class=\"token keyword\">const<\/span> thread_results <span class=\"token operator\">=<\/span> <span class=\"token keyword\">await<\/span> Promise<span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span>workerPromises<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark><span class=\"token keyword\">const<\/span> total <span class=\"token operator\">=<\/span><\/mark>\r\n    <mark>thread_results<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">+<\/span><\/mark>\r\n    <mark>thread_results<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">+<\/span><\/mark>\r\n    <mark>thread_results<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">+<\/span><\/mark>\r\n    <mark>thread_results<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n  <mark>res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">\u8ba1\u7b97\u7ed3\u679c\u662f <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>total<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u7531\u4e8eworkerPromises\u6570\u7ec4\u5305\u542b\u901a\u8fc7\u8c03\u7528createWorker()\u51fd\u6570\u8fd4\u56de\u7684Promise\u5bf9\u8c61\uff0c\u56e0\u6b64\u60a8\u5728Promise.all()\u65b9\u6cd5\u524d\u4f7f\u7528await\u8bed\u6cd5\u5e76\u8c03\u7528all()\u65b9\u6cd5\uff0c\u5c06workerPromises\u4f5c\u4e3a\u5176\u53c2\u6570\u3002Promise.all()\u65b9\u6cd5\u4f1a\u7b49\u5f85\u6570\u7ec4\u4e2d\u7684\u6240\u6709Promise\u5bf9\u8c61\u90fd\u5b8c\u6210\u89e3\u6790\u3002\u5f53\u6240\u6709Promise\u90fd\u89e3\u6790\u5b8c\u6210\u540e\uff0cthread_results\u53d8\u91cf\u5c06\u5305\u542b\u8fd9\u4e9bPromise\u89e3\u6790\u5f97\u5230\u7684\u503c\u3002\u7531\u4e8e\u8ba1\u7b97\u4efb\u52a1\u88ab\u5206\u914d\u7ed9\u4e86\u56db\u4e2a\u5de5\u4f5c\u7ebf\u7a0b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7\u8868\u793a\u6cd5\u4ecethread_results\u4e2d\u83b7\u53d6\u6bcf\u4e2a\u503c\uff0c\u5e76\u5c06\u5b83\u4eec\u5168\u90e8\u76f8\u52a0\u3002\u76f8\u52a0\u5b8c\u6210\u540e\uff0c\u60a8\u5c06\u603b\u503c\u8fd4\u56de\u7ed9\u9875\u9762\u3002<\/p>\n<p>\u73b0\u5728\u60a8\u7684\u5b8c\u6574\u6587\u4ef6\u5e94\u8be5\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<div>\u591a\u7ebf\u7a0b\u793a\u4f8b\u6587\u4ef6index_four_workers.js<\/div>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">const<\/span> express <span class=\"token operator\">=<\/span> <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"express\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span> Worker <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">=<\/span> <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"worker_threads\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">const<\/span> app <span class=\"token operator\">=<\/span> <span class=\"token function\">express<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">const<\/span> port <span class=\"token operator\">=<\/span> process<span class=\"token punctuation\">.<\/span>env<span class=\"token punctuation\">.<\/span><span class=\"token constant\">PORT<\/span> <span class=\"token operator\">||<\/span> <span class=\"token number\">3000<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">const<\/span> <span class=\"token constant\">THREAD_COUNT<\/span> <span class=\"token operator\">=<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/non-blocking\/\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u6b64\u9875\u9762\u662f\u975e\u963b\u585e\u7684\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">function<\/span> <span class=\"token function\">createWorker<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Promise<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">function<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">resolve<span class=\"token punctuation\">,<\/span> reject<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n    <span class=\"token keyword\">const<\/span> worker <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Worker<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\".\/four_workers.js\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span>\r\n      <span class=\"token literal-property property\">workerData<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">thread_count<\/span><span class=\"token operator\">:<\/span> <span class=\"token constant\">THREAD_COUNT<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span>\r\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    worker<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"message\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">data<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n      <span class=\"token function\">resolve<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    worker<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"error\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">msg<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n      <span class=\"token function\">reject<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">\u53d1\u751f\u9519\u8bef: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>msg<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/blocking\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">req<span class=\"token punctuation\">,<\/span> res<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token keyword\">const<\/span> workerPromises <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\"><<\/span> <span class=\"token constant\">THREAD_COUNT<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n    workerPromises<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">createWorker<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token punctuation\">}<\/span>\r\n  <span class=\"token keyword\">const<\/span> thread_results <span class=\"token operator\">=<\/span> <span class=\"token keyword\">await<\/span> Promise<span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span>workerPromises<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token keyword\">const<\/span> total <span class=\"token operator\">=<\/span>\r\n    thread_results<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">+<\/span>\r\n    thread_results<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">+<\/span>\r\n    thread_results<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">+<\/span>\r\n    thread_results<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\r\n  res<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">\u8ba1\u7b97\u7ed3\u679c\u662f <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>total<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=><\/span> <span class=\"token punctuation\">{<\/span>\r\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">\u5e94\u7528\u7a0b\u5e8f\u6b63\u5728\u76d1\u542c\u7aef\u53e3 <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>port<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u4fdd\u5b58\u5e76\u5173\u95ed\u60a8\u7684\u6587\u4ef6\u3002\u5728\u8fd0\u884c\u6b64\u6587\u4ef6\u4e4b\u524d\uff0c\u8bf7\u5148\u8fd0\u884cindex.js\u6765\u6d4b\u91cf\u5176\u54cd\u5e94\u65f6\u95f4\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">node<\/span> index.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u5728\u4f60\u7684\u672c\u5730\u7535\u8111\u4e0a\u6253\u5f00\u4e00\u4e2a\u65b0\u7684\u7ec8\u7aef\uff0c\u5e76\u8f93\u5165\u4ee5\u4e0bcurl\u547d\u4ee4\u6765\u6d4b\u91cf\u4ece\/blocking\u8def\u7531\u63a5\u6536\u5230\u54cd\u5e94\u6240\u9700\u7684\u65f6\u95f4\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">time<\/span> <span class=\"token function\">curl<\/span> <span class=\"token parameter variable\">&#8211;get<\/span> http:\/\/localhost:3000\/blocking<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>time\u547d\u4ee4\u7528\u6765\u6d4b\u91cfcurl\u547d\u4ee4\u7684\u8fd0\u884c\u65f6\u95f4\u3002curl\u547d\u4ee4\u5411\u7ed9\u5b9a\u7684URL\u53d1\u9001HTTP\u8bf7\u6c42\uff0c&#8211;get\u9009\u9879\u544a\u8bc9curl\u8fdb\u884cGET\u8bf7\u6c42\u3002<\/p>\n<p>\u5f53\u547d\u4ee4\u8fd0\u884c\u65f6\uff0c\u4f60\u7684\u8f93\u51fa\u5c06\u7c7b\u4f3c\u4e8e\u8fd9\u6837\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"\u8f93\u51fa\">\u8f93\u51fa<\/p>\n<pre class=\"post-pre\"><code>real 0m<mark>28.882s<\/mark> user 0m0.018s sys 0m0.000s<\/code><\/pre>\n<p>\u9ad8\u4eae\u663e\u793a\u7684\u8f93\u51fa\u663e\u793a\uff0c\u83b7\u53d6\u54cd\u5e94\u5927\u7ea6\u9700\u898128\u79d2\uff0c\u53ef\u80fd\u56e0\u60a8\u7684\u8ba1\u7b97\u673a\u800c\u5f02\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u4f7f\u7528CTRL+C\u505c\u6b62\u670d\u52a1\u5668\uff0c\u5e76\u8fd0\u884cindex_four_workers.js\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">node<\/span> index_four_workers.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u518d\u6b21\u5728\u4f60\u7684\u7b2c\u4e8c\u4e2a\u7ec8\u7aef\u8bbf\u95ee&#8221;\/blocking&#8221;\u8def\u7531\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">time<\/span> <span class=\"token function\">curl<\/span> <span class=\"token parameter variable\">&#8211;get<\/span> http:\/\/localhost:3000\/blocking<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4f60\u4f1a\u770b\u5230\u4e0e\u4ee5\u4e0b\u76f8\u7b26\u7684\u8f93\u51fa\u3002<\/p>\n<div class=\"secondary-code-label\" title=\"\u8f93\u51fa\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code>real 0m<mark>8.491s<\/mark> user 0m0.011s sys 0m0.005s<\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\u663e\u793a\uff0c\u5927\u7ea6\u9700\u89818\u79d2\uff0c\u8fd9\u610f\u5473\u7740\u60a8\u5c06\u52a0\u8f7d\u65f6\u95f4\u7f29\u77ed\u4e86\u8fd170%\u3002<\/p>\n<p>\u4f60\u6210\u529f\u5730\u901a\u8fc7\u4f7f\u7528\u56db\u4e2a\u5de5\u4f5c\u7ebf\u7a0b\u6765\u4f18\u5316\u4e86CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u3002\u5982\u679c\u4f60\u6709\u4e00\u53f0\u5177\u6709\u8d85\u8fc7\u56db\u4e2a\u6838\u5fc3\u7684\u673a\u5668\uff0c\u8bf7\u5c06THREAD_COUNT\u66f4\u65b0\u4e3a\u8be5\u6570\u5b57\uff0c\u8fd9\u6837\u4f60\u5c06\u8fdb\u4e00\u6b65\u51cf\u5c11\u52a0\u8f7d\u65f6\u95f4\u3002<\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u4f60\u7528Node\u5e94\u7528\u7a0b\u5e8f\u6784\u5efa\u4e86\u4e00\u4e2a\u4f1a\u963b\u585e\u4e3b\u7ebf\u7a0b\u7684CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u3002\u63a5\u7740\uff0c\u4f60\u5c1d\u8bd5\u4f7f\u7528promises\u4f7f\u4efb\u52a1\u53d8\u4e3a\u975e\u963b\u585e\uff0c\u4f46\u672a\u6210\u529f\u3002\u7136\u540e\uff0c\u4f60\u4f7f\u7528\u4e86worker_threads\u6a21\u5757\u5c06CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u8f6c\u79fb\u5230\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u4e2d\uff0c\u4f7f\u5176\u53d8\u4e3a\u975e\u963b\u585e\u3002\u6700\u540e\uff0c\u4f60\u4f7f\u7528worker_threads\u6a21\u5757\u521b\u5efa\u4e86\u56db\u4e2a\u7ebf\u7a0b\u6765\u52a0\u901fCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u3002<\/p>\n<p>\u4f5c\u4e3a\u4e0b\u4e00\u6b65\uff0c\u60a8\u53ef\u4ee5\u67e5\u770bNode.js\u7684Worker\u7ebf\u7a0b\u6587\u6863\uff0c\u4e86\u89e3\u66f4\u591a\u9009\u9879\u3002\u6b64\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u67e5\u770bpiscina\u5e93\uff0c\u5b83\u5141\u8bb8\u60a8\u4e3aCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u521b\u5efa\u4e00\u4e2a\u5de5\u4f5c\u7ebf\u7a0b\u6c60\u3002\u5982\u679c\u60a8\u60f3\u7ee7\u7eed\u5b66\u4e60Node.js\uff0c\u8bf7\u53c2\u9605\u6559\u7a0b\u7cfb\u5217\u300a\u5982\u4f55\u5728Node.js\u4e2d\u7f16\u7801\u300b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 Node.js\u5728\u5355\u4e2a\u7ebf\u7a0b\u4e2d\u8fd0\u884cJavaScript\u4ee3\u7801\uff0c\u8fd9\u610f\u5473\u7740\u4f60\u7684\u4ee3\u7801\u4e00\u6b21\u53ea\u80fd\u6267\u884c\u4e00\u4e2a\u4efb\u52a1\u3002\u7136\u800c\uff0cNo [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[293,642,2138,973,710],"class_list":["post-806","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-javascript","tag-node-js","tag-worker-threads","tag-973","tag-710"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Node.js\u591a\u7ebf\u7a0b\u7f16\u7a0b\u5b8c\u5168\u6307\u5357\uff1aWorker Threads\u4f7f\u7528\u65b9\u6cd5\u4e0e\u5b9e\u4f8b - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecdNode.js\u4e2d\u5b9e\u73b0\u591a\u7ebf\u7a0b\u7684\u65b9\u6cd5\uff0c\u91cd\u70b9\u8bb2\u89e3Worker Threads\u6a21\u5757\u7684\u4f7f\u7528\u3002\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u7406\u89e3\u5982\u4f55\u5728Node.js\u73af\u5883\u4e2d\u5229\u7528\u591a\u7ebf\u7a0b\u63d0\u5347\u6027\u80fd\uff0c\u89e3\u51b3CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u5e76\u53d1\u5904\u7406\u95ee\u9898\u3002\" \/>\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.silicloud.com\/zh\/blog\/\u4f7f\u7528\u591a\u7ebf\u7a0b\u5728node-js\u4e2d\u7684\u65b9\u6cd5\u5982\u4f55\uff1f\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Node.js\u591a\u7ebf\u7a0b\u7f16\u7a0b\u5b8c\u5168\u6307\u5357\uff1aWorker Threads\u4f7f\u7528\u65b9\u6cd5\u4e0e\u5b9e\u4f8b\" \/>\n<meta property=\"og:description\" content=\"\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecdNode.js\u4e2d\u5b9e\u73b0\u591a\u7ebf\u7a0b\u7684\u65b9\u6cd5\uff0c\u91cd\u70b9\u8bb2\u89e3Worker Threads\u6a21\u5757\u7684\u4f7f\u7528\u3002\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u7406\u89e3\u5982\u4f55\u5728Node.js\u73af\u5883\u4e2d\u5229\u7528\u591a\u7ebf\u7a0b\u63d0\u5347\u6027\u80fd\uff0c\u89e3\u51b3CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u5e76\u53d1\u5904\u7406\u95ee\u9898\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528\u591a\u7ebf\u7a0b\u5728node-js\u4e2d\u7684\u65b9\u6cd5\u5982\u4f55\uff1f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-26T04:32:02+00:00\" 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