{"id":511,"date":"2023-10-06T16:23:07","date_gmt":"2023-01-16T21:40:38","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/node-js%e3%81%a7%e3%83%9e%e3%83%ab%e3%83%81%e3%82%b9%e3%83%ac%e3%83%83%e3%83%89%e3%82%92%e4%bd%bf%e3%81%86%e6%96%b9%e6%b3%95\/"},"modified":"2025-08-01T00:09:40","modified_gmt":"2025-07-31T15:09:40","slug":"node-js%e3%81%a7%e3%83%9e%e3%83%ab%e3%83%81%e3%82%b9%e3%83%ac%e3%83%83%e3%83%89%e3%82%92%e4%bd%bf%e3%81%86%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/node-js%e3%81%a7%e3%83%9e%e3%83%ab%e3%83%81%e3%82%b9%e3%83%ac%e3%83%83%e3%83%89%e3%82%92%e4%bd%bf%e3%81%86%e6%96%b9%e6%b3%95\/","title":{"rendered":"Node.js\u3067\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u3046\u65b9\u6cd5"},"content":{"rendered":"<p>\u7b46\u8005\u306f\u3001Write for Donations \u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u4e00\u74b0\u3068\u3057\u3066\u3001Open Sourcing Mental Illness \u306b\u5bc4\u4ed8\u3092\u3059\u308b\u3053\u3068\u3092\u9078\u3073\u307e\u3057\u305f\u3002<\/p>\n<h3>\u306f\u3058\u3081\u306b<\/h3>\n<p>Node.js\u306fJavaScript\u30b3\u30fc\u30c9\u3092\u5358\u4e00\u306e\u30b9\u30ec\u30c3\u30c9\u3067\u5b9f\u884c\u3059\u308b\u305f\u3081\u3001\u3042\u306a\u305f\u306e\u30b3\u30fc\u30c9\u306f\u4e00\u5ea6\u306b1\u3064\u306e\u30bf\u30b9\u30af\u3057\u304b\u51e6\u7406\u3067\u304d\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001Node.js\u81ea\u4f53\u306f\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3067\u3042\u308a\u3001I\/O\u64cd\u4f5c\uff08\u30c7\u30a3\u30b9\u30af\u304b\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u8fbc\u307f\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u306a\u3069\uff09\u3092\u51e6\u7406\u3059\u308blibuv\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u901a\u3058\u3066\u96a0\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u96a0\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u306e\u5229\u7528\u306b\u3088\u308a\u3001Node.js\u306f\u975e\u540c\u671f\u30e1\u30bd\u30c3\u30c9\u3092\u63d0\u4f9b\u3057\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u306a\u304fI\/O\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Node.js\u306b\u306f\u96a0\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u304c\u5b58\u5728\u3057\u307e\u3059\u304c\u3001\u8907\u96d1\u306a\u8a08\u7b97\u3001\u753b\u50cf\u306e\u30ea\u30b5\u30a4\u30ba\u3001\u307e\u305f\u306f\u30d3\u30c7\u30aa\u306e\u5727\u7e2e\u306a\u3069\u306eCPU\u8ca0\u8377\u306e\u9ad8\u3044\u30bf\u30b9\u30af\u3092\u30aa\u30d5\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002JavaScript\u306f\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u3067\u3042\u308b\u305f\u3081\u3001CPU\u8ca0\u8377\u306e\u9ad8\u3044\u30bf\u30b9\u30af\u304c\u5b9f\u884c\u3055\u308c\u308b\u3068\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3001\u30bf\u30b9\u30af\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u4ed6\u306e\u30b3\u30fc\u30c9\u304c\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\u3002\u4ed6\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u308f\u305a\u306bCPU\u306b\u3088\u3063\u3066\u5236\u7d04\u3055\u308c\u305f\u30bf\u30b9\u30af\u306e\u51e6\u7406\u901f\u5ea6\u3092\u4e0a\u3052\u308b\u552f\u4e00\u306e\u65b9\u6cd5\u306f\u3001\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u901f\u5ea6\u3092\u4e0a\u3052\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u6700\u8fd1\u306e\u6570\u5e74\u9593\u3001CPU\u306f\u901f\u304f\u306a\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u4f59\u5206\u306a\u30b3\u30a2\u3092\u642d\u8f09\u3057\u3066\u304a\u308a\u30018\u30b3\u30a2\u4ee5\u4e0a\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u4e00\u822c\u7684\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u306e\u50be\u5411\u306b\u3082\u95a2\u308f\u3089\u305a\u3001JavaScript\u306f\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u3067\u3042\u308b\u305f\u3081\u3001CPU\u306b\u8ca0\u8377\u306e\u304b\u304b\u308b\u30bf\u30b9\u30af\u3092\u9ad8\u901f\u5316\u3057\u305f\u308a\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u58ca\u3055\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u4f59\u5206\u306a\u30b3\u30a2\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u3001Node.js\u3067\u306fworker-threads\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b9\u30ec\u30c3\u30c9\u3092\u4f5c\u6210\u3057\u3001\u8907\u6570\u306eJavaScript\u30bf\u30b9\u30af\u3092\u4e26\u5217\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b9\u30ec\u30c3\u30c9\u304c\u30bf\u30b9\u30af\u3092\u7d42\u4e86\u3057\u305f\u3089\u3001\u4e3b\u30b9\u30ec\u30c3\u30c9\u306b\u7d50\u679c\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3057\u3001\u30b3\u30fc\u30c9\u306e\u4ed6\u306e\u90e8\u5206\u3067\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002worker\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u5229\u70b9\u306f\u3001CPU\u306b\u8ca0\u8377\u304c\u304b\u304b\u308b\u30bf\u30b9\u30af\u304c\u4e3b\u30b9\u30ec\u30c3\u30c9\u3092\u30d6\u30ed\u30c3\u30af\u305b\u305a\u3001\u30bf\u30b9\u30af\u3092\u8907\u6570\u306e\u30ef\u30fc\u30ab\u30fc\u306b\u5206\u5272\u3057\u3066\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u70b9\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308bCPU\u96c6\u4e2d\u30bf\u30b9\u30af\u3092\u6301\u3064Node.js\u30a2\u30d7\u30ea\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u6b21\u306b\u3001worker-threads\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u30d6\u30ed\u30c3\u30af\u305b\u305a\u306bCPU\u96c6\u4e2d\u30bf\u30b9\u30af\u3092\u5225\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u30aa\u30d5\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001CPU\u306b\u675f\u7e1b\u3055\u308c\u305f\u30bf\u30b9\u30af\u3092\u5206\u5272\u3057\u30014\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u3067\u4e26\u884c\u3057\u3066\u4f5c\u696d\u3055\u305b\u308b\u3053\u3068\u3067\u30bf\u30b9\u30af\u306e\u51e6\u7406\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n<h2>\u8981\u4ef6<\/h2>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u5b8c\u4e86\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u304c\u5fc5\u8981\u3067\u3059:<\/p>\n<ul class=\"post-ul\">\n<li>A multi-core system with four or more cores. You can still follow the tutorial from Steps 1 through 6 on a dual-core system. However, Step 7 requires four cores to see the performance improvements.<\/li>\n<li>A Node.js development environment. If you\u2019re on Ubuntu 22.04, install the recent version of Node.js by following step 3 of How To Install Node.js on Ubuntu 22.04. If you\u2019re on another operating system, see How to Install Node.js and Create a Local Development Environment.<\/li>\n<li>A good understanding of the event loop, callbacks, and promises in JavaScript, which you can find in our tutorial, Understanding the Event Loop, Callbacks, Promises, and Async\/Await in JavaScript.<\/li>\n<li>Basic knowledge of how to use the Express web framework. Check out our guide, How To Get Started with Node.js and Express.<\/li>\n<\/ul>\n<h2>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3068\u4f9d\u5b58\u95a2\u4fc2\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u884c\u3046\u3002<\/h2>\n<p>\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3057\u3001npm\u3092\u521d\u671f\u5316\u3057\u3001\u5fc5\u8981\u306a\u4f9d\u5b58\u95a2\u4fc2\u3092\u3059\u3079\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n<p>\u6700\u521d\u306b\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3057\u3066\u79fb\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\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<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>mkdir\u30b3\u30de\u30f3\u30c9\u306f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3057\u3001cd\u30b3\u30de\u30f3\u30c9\u306f\u65b0\u3057\u304f\u4f5c\u6210\u3057\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u4f5c\u696d\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u5f8c\u3001npm\u306enpm init\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u521d\u671f\u5316\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">npm<\/span> init <span class=\"token parameter variable\">-y<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>-y\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3059\u3079\u3066\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u53d7\u3051\u4ed8\u3051\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3055\u308c\u308b\u3068\u3001\u51fa\u529b\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>Wrote to \/home\/<mark>sammy<\/mark>\/<mark>multi-threading_demo<\/mark>\/package.json:\r\n\r\n{\r\n  \"name\": \"<mark>multi-threading_demo<\/mark>\",\r\n  \"version\": \"1.0.0\",\r\n  \"description\": \"\",\r\n  \"main\": \"index.js\",\r\n  \"scripts\": {\r\n    \"test\": \"echo \\\"Error: no test specified\\\" &amp;&amp; exit 1\"\r\n  },\r\n  \"keywords\": [],\r\n  \"author\": \"\",\r\n  \"license\": \"ISC\"\r\n}\r\n\r\n<\/code><\/pre>\n<p>\u6b21\u306b\u3001Node.js\u306e\u30a6\u30a7\u30d6\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308bexpress\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><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<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>Express\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u3068\u30ce\u30f3\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u6301\u3064\u30b5\u30fc\u30d0\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<p>Node.js\u306b\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067worker-threads\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3042\u306a\u305f\u306f\u4eca\u3001\u5fc5\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3057\u305f\u3002\u6b21\u306b\u3001\u30d7\u30ed\u30bb\u30b9\u3084\u30b9\u30ec\u30c3\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u5b66\u3073\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u4e0a\u3067\u306e\u5b9f\u884c\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3082\u5b66\u3073\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30bb\u30b9\u3068\u30b9\u30ec\u30c3\u30c9\u306e\u7406\u89e3<\/h2>\n<p>CPU \u30d0\u30a6\u30f3\u30c9\u30bf\u30b9\u30af\u3092\u66f8\u304d\u59cb\u3081\u3066\u305d\u308c\u3092\u5225\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u30aa\u30d5\u30ed\u30fc\u30c9\u3059\u308b\u524d\u306b\u3001\u307e\u305a\u3001\u30d7\u30ed\u30bb\u30b9\u3068\u30b9\u30ec\u30c3\u30c9\u306e\u5b9a\u7fa9\u3084\u305d\u308c\u3089\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u91cd\u8981\u306a\u3053\u3068\u306b\u3001\u30d7\u30ed\u30bb\u30b9\u3068\u30b9\u30ec\u30c3\u30c9\u304c\u5358\u4e00\u307e\u305f\u306f\u30de\u30eb\u30c1\u30b3\u30a2\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067\u3069\u306e\u3088\u3046\u306b\u5b9f\u884c\u3055\u308c\u308b\u306e\u304b\u3001\u518d\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30d7\u30ed\u30bb\u30b9<\/h3>\n<p>\u30d7\u30ed\u30bb\u30b9\u306f\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u5185\u3067\u5b9f\u884c\u3055\u308c\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3059\u3002\u305d\u308c\u306f\u72ec\u81ea\u306e\u30e1\u30e2\u30ea\u3092\u6301\u3061\u3001\u4ed6\u306e\u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30e1\u30e2\u30ea\u3092\u898b\u305f\u308a\u30a2\u30af\u30bb\u30b9\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u3067\u73fe\u5728\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u547d\u4ee4\u3092\u793a\u3059\u547d\u4ee4\u30dd\u30a4\u30f3\u30bf\u3082\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u4e00\u5ea6\u306b\u5b9f\u884c\u3055\u308c\u308b\u30bf\u30b9\u30af\u306f1\u3064\u3060\u3051\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u306f\u3001Node.js\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u3001\u5b9f\u884c\u6642\u306b\u7d42\u4e86\u3057\u306a\u3044\u3088\u3046\u306b\u7121\u9650\u30eb\u30fc\u30d7\u3092\u542b\u3081\u307e\u3059\u3002<\/p>\n<p>\u300cnano\u300d\u3084\u304a\u597d\u307f\u306e\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3092\u4f7f\u7528\u3057\u3066\u3001\u300cprocess.js\u300d\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3001\u958b\u304d\u307e\u3059\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<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u300cprocess.js\u300d\u30d5\u30a1\u30a4\u30eb\u306b\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30c7\u30e2\/\u30d7\u30ed\u30bb\u30b9.js<\/div>\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>\r\n\r\n<\/code><\/pre>\n<p>\u6700\u521d\u306e\u884c\u3067\u306f\u3001process.argv\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3092\u542b\u3080\u914d\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002\u305d\u308c\u304b\u3089\u3001JavaScript\u306eslice()\u30e1\u30bd\u30c3\u30c9\u3092\u5f15\u65702\u3067\u7d50\u5408\u3057\u3066\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b92\u4ee5\u964d\u306e\u914d\u5217\u306e\u6d45\u3044\u30b3\u30d4\u30fc\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001Node.js\u306e\u30d1\u30b9\u3068\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3068\u3044\u3046\u6700\u521d\u306e2\u3064\u306e\u5f15\u6570\u3092\u30b9\u30ad\u30c3\u30d7\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u62ec\u5f27\u306e\u8a18\u6cd5\u3092\u4f7f\u3063\u3066\u30b9\u30e9\u30a4\u30b9\u3055\u308c\u305f\u914d\u5217\u304b\u3089\u6700\u521d\u306e\u5f15\u6570\u3092\u53d6\u5f97\u3057\u3001process_name\u5909\u6570\u306b\u683c\u7d0d\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u5f8c\u3001while\u30eb\u30fc\u30d7\u3092\u5b9a\u7fa9\u3057\u3001\u30eb\u30fc\u30d7\u304c\u6c38\u9060\u306b\u7d9a\u304f\u3088\u3046\u306btrue\u306e\u6761\u4ef6\u3092\u6e21\u3057\u307e\u3059\u3002\u30eb\u30fc\u30d7\u5185\u3067\u306f\u3001\u5404\u53cd\u5fa9\u3054\u3068\u306bcount\u5909\u6570\u304c1\u5897\u52a0\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001count\u304c2000\u307e\u305f\u306f4000\u3068\u7b49\u3057\u3044\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308bif\u6587\u304c\u7d9a\u304d\u307e\u3059\u3002\u6761\u4ef6\u304c\u771f\u306e\u5834\u5408\u3001console.log()\u30e1\u30bd\u30c3\u30c9\u304c\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n<p>CTRL+X\u3092\u4f7f\u3063\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u9589\u3058\u3001\u5909\u66f4\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306bY\u3092\u62bc\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30ce\u30fc\u30c9\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\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>A\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u6e21\u3055\u308c\u3001process_name\u5909\u6570\u306b\u683c\u7d0d\u3055\u308c\u308b\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3067\u3059\u3002&amp;\u306f\u672b\u5c3e\u306b\u3042\u308a\u3001Node\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u30b7\u30a7\u30eb\u306b\u3055\u3089\u306a\u308b\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u51fa\u529b\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>[1] <mark>7754<\/mark> A: 2000 A: 4000<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6570\u50247754\u306f\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u304c\u305d\u308c\u306b\u5272\u308a\u5f53\u3066\u305f\u30d7\u30ed\u30bb\u30b9ID\u3067\u3059\u3002A\uff1a2000\u3068A\uff1a4000\u306f\u3001\u305d\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u51fa\u529b\u3067\u3059\u3002<\/p>\n<p>node\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u305f\u3081\u306b\u30e1\u30e2\u30ea\u3092\u5272\u308a\u5f53\u3066\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u30c7\u30a3\u30b9\u30af\u4e0a\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3092\u898b\u3064\u3051\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30e1\u30e2\u30ea\u306b\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30d7\u30ed\u30bb\u30b9\u306b\u30d7\u30ed\u30bb\u30b9ID\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u304c\u958b\u59cb\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u6642\u70b9\u3067\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u30d7\u30ed\u30bb\u30b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u3068\u3001\u305d\u306e\u30d7\u30ed\u30bb\u30b9ID\u304c\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306e\u30d7\u30ed\u30bb\u30b9\u30ea\u30b9\u30c8\u306b\u8ffd\u52a0\u3055\u308c\u3001htop\u3001top\u3001\u307e\u305f\u306fps\u306a\u3069\u306e\u30c4\u30fc\u30eb\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u3001\u505c\u6b62\u307e\u305f\u306f\u512a\u5148\u9806\u4f4d\u3092\u3064\u3051\u308b\u305f\u3081\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3082\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>\u30ce\u30fc\u30c9\u30d7\u30ed\u30bb\u30b9\u306e\u7c21\u5358\u306a\u30b5\u30de\u30ea\u30fc\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\u3001\u7aef\u672b\u3067ENTER\u30ad\u30fc\u3092\u62bc\u3057\u3066\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u623b\u3057\u307e\u3059\u3002\u6b21\u306b\u3001ps\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u30ce\u30fc\u30c9\u30d7\u30ed\u30bb\u30b9\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">ps<\/span> <span class=\"token operator\">|<\/span><span class=\"token function\">grep<\/span> <span class=\"token function\">node<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u73fe\u5728\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u95a2\u9023\u3059\u308b\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u8868\u793a\u3059\u308b\u305f\u3081\u306eps\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30d1\u30a4\u30d7\u6f14\u7b97\u5b50|\u306fps\u306e\u51fa\u529b\u3092grep\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u6e21\u3057\u3001Node\u30d7\u30ed\u30bb\u30b9\u306e\u307f\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u51fa\u529b\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p><mark>7754<\/mark> pts\/0 00:21:49 node<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4e00\u3064\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u7121\u6570\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u7570\u306a\u308b\u5f15\u6570\u3092\u6301\u3064\u3055\u3089\u306b3\u3064\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u4f5c\u6210\u3057\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u306b\u914d\u7f6e\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">node<\/span> process.js B <span class=\"token operator\">&amp;<\/span> <span class=\"token function\">node<\/span> process.js C <span class=\"token operator\">&amp;<\/span> <span class=\"token function\">node<\/span> process.js D <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>\u30b3\u30de\u30f3\u30c9\u3067\u3001process.js \u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u3055\u3089\u306b3\u3064\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002&amp; \u30b7\u30f3\u30dc\u30eb\u306f\u5404\u30d7\u30ed\u30bb\u30b9\u3092\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u51fa\u529b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u4f3c\u3066\u3044\u307e\u3059\uff08\u9806\u5e8f\u304c\u7570\u306a\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\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>\u51fa\u529b\u3067\u306f\u308f\u304b\u308b\u901a\u308a\u3001\u5404\u30d7\u30ed\u30bb\u30b9\u306f\u30ab\u30a6\u30f3\u30c8\u304c2000\u30684000\u306b\u9054\u3057\u305f\u6642\u306b\u30d7\u30ed\u30bb\u30b9\u540d\u3092\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u30ed\u30b0\u3068\u3057\u3066\u51fa\u529b\u3057\u307e\u3057\u305f\u3002\u5404\u30d7\u30ed\u30bb\u30b9\u306f\u4ed6\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u306b\u306f\u6c17\u4ed8\u3044\u3066\u3044\u307e\u305b\u3093\u3002\u30d7\u30ed\u30bb\u30b9D\u306f\u30d7\u30ed\u30bb\u30b9C\u306e\u3053\u3068\u3092\u77e5\u3089\u305a\u3001\u305d\u306e\u9006\u3082\u540c\u69d8\u3067\u3059\u3002\u3069\u3061\u3089\u306e\u30d7\u30ed\u30bb\u30b9\u3067\u4f55\u304c\u8d77\u3053\u308d\u3046\u3068\u3082\u3001\u4ed6\u306eNode.js\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u5f71\u97ff\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u3082\u3057\u3042\u306a\u305f\u304c\u51fa\u529b\u3092\u6ce8\u610f\u6df1\u304f\u8abf\u3079\u308b\u3068\u3001\u51fa\u529b\u306e\u9806\u5e8f\u304c3\u3064\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u4f5c\u6210\u3057\u305f\u6642\u306e\u9806\u5e8f\u3068\u306f\u7570\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u304d\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u5f15\u6570\u306f B\u3001C\u3001D \u306e\u9806\u3067\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u73fe\u5728\u306e\u51fa\u529b\u306f D\u3001B\u3001C \u306e\u9806\u3067\u3059\u3002\u305d\u306e\u7406\u7531\u306f\u3001OS\u304cCPU\u4e0a\u3067\u3069\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u5b9f\u884c\u3059\u308b\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u6301\u3063\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>\u30b7\u30f3\u30b0\u30eb\u30b3\u30a2\u306e\u30de\u30b7\u30f3\u3067\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u306f\u540c\u6642\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306f\u4e00\u5b9a\u306e\u9593\u9694\u3067\u30d7\u30ed\u30bb\u30b9\u9593\u3092\u5207\u308a\u66ff\u3048\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30d7\u30ed\u30bb\u30b9D\u304c\u4e00\u5b9a\u6642\u9593\u5b9f\u884c\u3055\u308c\u3001\u305d\u306e\u72b6\u614b\u304c\u3069\u3053\u304b\u306b\u4fdd\u5b58\u3055\u308c\u305f\u5f8c\u3001OS\u306f\u30d7\u30ed\u30bb\u30b9B\u3092\u4e00\u5b9a\u6642\u9593\u5b9f\u884c\u3059\u308b\u3088\u3046\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3057\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u5207\u308a\u66ff\u3048\u304c\u7e70\u308a\u8fd4\u3055\u308c\u3001\u5168\u3066\u306e\u30bf\u30b9\u30af\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u884c\u308f\u308c\u307e\u3059\u3002\u51fa\u529b\u304b\u3089\u898b\u308b\u3068\u3001\u5404\u30d7\u30ed\u30bb\u30b9\u306f\u5b8c\u5168\u306b\u5b9f\u884c\u3055\u308c\u305f\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u306fOS\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u304c\u5e38\u306b\u5207\u308a\u66ff\u3048\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30de\u30eb\u30c1\u30b3\u30a2\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\uff14\u3064\u306e\u30b3\u30a2\u304c\u3042\u308b\u3068\u4eee\u5b9a\u3057\u3066\u3001OS\u306f\u305d\u308c\u305e\u308c\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u540c\u6642\u306b\u5404\u30b3\u30a2\u3067\u5b9f\u884c\u3059\u308b\u3088\u3046\u306b\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3057\u307e\u3059\u3002\u3053\u308c\u304c\u4e26\u5217\u51e6\u7406\u3068\u3057\u3066\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3082\u3057\u30d7\u30ed\u30bb\u30b9\u3092\u3055\u3089\u306b\uff14\u3064\u4f5c\u6210\u3059\u308b\u3068\uff08\u5408\u8a08\uff18\u3064\u306b\u306a\u308b\u5834\u5408\uff09\u3001\u5404\u30b3\u30a2\u306f\uff12\u3064\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u540c\u6642\u306b\u5b9f\u884c\u3057\u3001\u305d\u308c\u3089\u304c\u7d42\u4e86\u3059\u308b\u307e\u3067\u4e26\u884c\u3057\u3066\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<h3>\u7cf8<\/h3>\n<p>\u30b9\u30ec\u30c3\u30c9\u306f\u30d7\u30ed\u30bb\u30b9\u3068\u540c\u69d8\u3067\u3001\u72ec\u81ea\u306e\u547d\u4ee4\u30dd\u30a4\u30f3\u30bf\u3092\u6301\u3061\u3001\u4e00\u5ea6\u306b1\u3064\u306eJavaScript\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30bb\u30b9\u3068\u7570\u306a\u308a\u3001\u30b9\u30ec\u30c3\u30c9\u306f\u72ec\u81ea\u306e\u30e1\u30e2\u30ea\u3092\u6301\u3061\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u30e1\u30e2\u30ea\u5185\u306b\u5b58\u5728\u3057\u307e\u3059\u3002\u30d7\u30ed\u30bb\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3068\u3001worker_threads\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066JavaScript\u30b3\u30fc\u30c9\u3092\u4e26\u5217\u306b\u5b9f\u884c\u3059\u308b\u8907\u6570\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30b9\u30ec\u30c3\u30c9\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u3084\u308a\u53d6\u308a\u3084\u30d7\u30ed\u30bb\u30b9\u306e\u30e1\u30e2\u30ea\u5185\u3067\u306e\u30c7\u30fc\u30bf\u5171\u6709\u3092\u901a\u3058\u3066\u304a\u4e92\u3044\u306b\u901a\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b9\u30ec\u30c3\u30c9\u306f\u30d7\u30ed\u30bb\u30b9\u3068\u6bd4\u8f03\u3057\u3066\u8efd\u91cf\u5316\u3055\u308c\u307e\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u30b9\u30ec\u30c3\u30c9\u306e\u751f\u6210\u306f\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u30e1\u30e2\u30ea\u3092\u8981\u6c42\u3057\u306a\u3044\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>\u30b9\u30ec\u30c3\u30c9\u306e\u5b9f\u884c\u306b\u95a2\u3057\u3066\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u5b9f\u884c\u3068\u4f3c\u305f\u3088\u3046\u306a\u6319\u52d5\u3092\u793a\u3057\u307e\u3059\u3002\u3082\u3057\u5358\u4e00\u306e\u30b3\u30a2\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067\u8907\u6570\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306f\u5b9a\u671f\u7684\u306a\u9593\u9694\u3067\u30b9\u30ec\u30c3\u30c9\u3092\u5207\u308a\u66ff\u3048\u3066\u3001\u5404\u30b9\u30ec\u30c3\u30c9\u306bCPU\u3067\u76f4\u63a5\u5b9f\u884c\u3059\u308b\u6a5f\u4f1a\u3092\u4e0e\u3048\u307e\u3059\u3002\u30de\u30eb\u30c1\u30b3\u30a2\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306f\u30b9\u30ec\u30c3\u30c9\u3092\u5168\u3066\u306e\u30b3\u30a2\u306b\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3057\u3001JavaScript\u30b3\u30fc\u30c9\u3092\u540c\u6642\u306b\u5b9f\u884c\u3057\u307e\u3059\u3002\u3082\u3057\u5229\u7528\u53ef\u80fd\u306a\u30b3\u30a2\u4ee5\u4e0a\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u4f5c\u6210\u3057\u3066\u3057\u307e\u3063\u305f\u5834\u5408\u3001\u5404\u30b3\u30a2\u306f\u8907\u6570\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u540c\u6642\u306b\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001ENTER\u30ad\u30fc\u3092\u62bc\u3057\u3066\u3001kill\u30b3\u30de\u30f3\u30c9\u3067\u73fe\u5728\u5b9f\u884c\u4e2d\u306e\u3059\u3079\u3066\u306eNode\u30d7\u30ed\u30bb\u30b9\u3092\u505c\u6b62\u3057\u3066\u304f\u3060\u3055\u3044\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\u306f\u3001kill\u30b3\u30de\u30f3\u30c9\u306b\u5bfe\u3057\u30664\u3064\u306e\u30ce\u30fc\u30c9\u30d7\u30ed\u30bb\u30b9\u306e\u30d7\u30ed\u30bb\u30b9ID\u3092\u8fd4\u3057\u307e\u3059\u3002-9\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001kill\u304cSIGKILL\u30b7\u30b0\u30ca\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3088\u3046\u306b\u6307\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u51fa\u529b\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/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>\u6642\u3005\u3001\u51fa\u529b\u306f\u9045\u308c\u3066\u8868\u793a\u3055\u308c\u3001\u5f8c\u3067\u5225\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u305f\u6642\u306b\u73fe\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u3068\u30b9\u30ec\u30c3\u30c9\u306e\u9055\u3044\u3092\u7406\u89e3\u3057\u305f\u306e\u3067\u3001Node.js\u306e\u96a0\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n<h2>Node.js\u306b\u304a\u3051\u308b\u96a0\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u306e\u7406\u89e3<\/h2>\n<p>Node.js\u306f\u8ffd\u52a0\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u3001\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3068\u898b\u306a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001Node.js\u306e\u96a0\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8abf\u3079\u3001I\/O\u64cd\u4f5c\u3092\u975e\u540c\u671f\u3068\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>\u5c0e\u5165\u90e8\u3067\u8ff0\u3079\u305f\u901a\u308a\u3001JavaScript\u306f\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u3067\u3042\u308a\u3001\u5168\u3066\u306eJavaScript\u30b3\u30fc\u30c9\u306f\u5358\u4e00\u306e\u30b9\u30ec\u30c3\u30c9\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3084\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u542b\u307e\u308c\u308b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u542b\u307e\u308c\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u306a\u3069\u306eI\/O\u64cd\u4f5c\u3092\u884c\u3046\u5834\u5408\u3001\u3053\u308c\u306f\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u306a\u304c\u3089\u3001Node.js\u306flibuv\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5b9f\u88c5\u3057\u3066\u304a\u308a\u3001\u3053\u308c\u306b\u3088\u3063\u3066Node.js\u30d7\u30ed\u30bb\u30b9\u306b\u306f4\u3064\u306e\u8ffd\u52a0\u30b9\u30ec\u30c3\u30c9\u304c\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001I\/O\u64cd\u4f5c\u306f\u5225\u3005\u306b\u51e6\u7406\u3055\u308c\u3001\u5b8c\u4e86\u3059\u308b\u3068\u30a4\u30d9\u30f3\u30c8\u30eb\u30fc\u30d7\u306fI\/O\u30bf\u30b9\u30af\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u30de\u30a4\u30af\u30ed\u30bf\u30b9\u30af\u30ad\u30e5\u30fc\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306e\u547c\u3073\u51fa\u3057\u30b9\u30bf\u30c3\u30af\u304c\u30af\u30ea\u30a2\u3055\u308c\u308b\u3068\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u304c\u547c\u3073\u51fa\u3057\u30b9\u30bf\u30c3\u30af\u306b\u8ffd\u52a0\u3055\u308c\u3001\u305d\u308c\u304b\u3089\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3092\u660e\u78ba\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u6307\u5b9a\u3055\u308c\u305fI\/O\u30bf\u30b9\u30af\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306f\u4e26\u5217\u3067\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u53d6\u308a\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u306a\u3069\u306e\u30bf\u30b9\u30af\u81ea\u4f53\u306f\u30b9\u30ec\u30c3\u30c9\u306e\u52a9\u3051\u3092\u501f\u308a\u3066\u4e26\u884c\u3057\u3066\u884c\u308f\u308c\u307e\u3059\u3002I\/O\u30bf\u30b9\u30af\u304c\u7d42\u4e86\u3059\u308b\u3068\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306f\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e4\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u52a0\u3048\u3066\u3001V8\u30a8\u30f3\u30b8\u30f3\u306f\u3001\u81ea\u52d5\u30ac\u30d9\u30fc\u30b8\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306a\u3069\u306e\u51e6\u7406\u3092\u62c5\u5f53\u3059\u308b\u305f\u3081\u306e2\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u3082\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d7\u30ed\u30bb\u30b9\u5185\u306e\u7dcf\u30b9\u30ec\u30c3\u30c9\u6570\u306f7\u3064\u306b\u306a\u308a\u307e\u3059\uff1a1\u3064\u306f\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u30014\u3064\u306fNode.js\u30b9\u30ec\u30c3\u30c9\u3001\u305d\u3057\u30662\u3064\u306fV8\u30b9\u30ec\u30c3\u30c9\u3067\u3059\u3002<\/p>\n<p>\u3059\u3079\u3066\u306eNode.js\u30d7\u30ed\u30bb\u30b9\u304c7\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001process.js\u30d5\u30a1\u30a4\u30eb\u3092\u518d\u5ea6\u5b9f\u884c\u3057\u3066\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\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>\u30bf\u30fc\u30df\u30ca\u30eb\u306f\u3001\u30d7\u30ed\u30bb\u30b9ID\u3084\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u306e\u51fa\u529b\u3092\u8a18\u9332\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/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>\u30d7\u30ed\u30bb\u30b9ID\u3092\u3069\u3053\u304b\u306b\u30e1\u30e2\u3057\u3066\u3001ENTER\u30ad\u30fc\u3092\u62bc\u3057\u3066\u304b\u3089\u3082\u3046\u4e00\u5ea6\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30b9\u30ec\u30c3\u30c9\u3092\u898b\u308b\u306b\u306f\u3001top\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3001\u51fa\u529b\u306b\u8868\u793a\u3055\u308c\u308b\u30d7\u30ed\u30bb\u30b9ID\u3092\u6e21\u3057\u3066\u304f\u3060\u3055\u3044\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\u306f\u3001top\u306b\u30b9\u30ec\u30c3\u30c9\u3092\u8868\u793a\u3059\u308b\u3088\u3046\u6307\u793a\u3057\u307e\u3059\u3002-p\u30d5\u30e9\u30b0\u306f\u3001top\u306b\u6307\u5b9a\u3057\u305f\u30d7\u30ed\u30bb\u30b9ID\u306e\u6d3b\u52d5\u306e\u307f\u3092\u76e3\u8996\u3059\u308b\u3088\u3046\u6307\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u51fa\u529b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/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>\u51fa\u529b\u3092\u898b\u308b\u3068\u5206\u304b\u308b\u901a\u308a\u3001Node.js\u30d7\u30ed\u30bb\u30b9\u306f\u5408\u8a087\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002JavaScript\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304c1\u3064\u3042\u308a\u3001Node.js\u30b9\u30ec\u30c3\u30c9\u304c4\u3064\u3001\u305d\u3057\u3066V8\u30b9\u30ec\u30c3\u30c9\u304c2\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u524d\u306b\u8b70\u8ad6\u3055\u308c\u305f\u3088\u3046\u306b\u3001I\/O\u64cd\u4f5c\u3092\u975e\u540c\u671f\u5316\u3059\u308b\u305f\u3081\u306b\u306f\u30014\u3064\u306eNode.js\u30b9\u30ec\u30c3\u30c9\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b9\u30ec\u30c3\u30c9\u306f\u305d\u306e\u30bf\u30b9\u30af\u306b\u5bfe\u3057\u3066\u9069\u5207\u306b\u6a5f\u80fd\u3057\u3001I\/O\u64cd\u4f5c\u306e\u305f\u3081\u306b\u30b9\u30ec\u30c3\u30c9\u3092\u81ea\u5206\u3067\u4f5c\u6210\u3059\u308b\u3053\u3068\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u3055\u3089\u306b\u4f4e\u4e0b\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001CPU\u306b\u8ca0\u8377\u306e\u304b\u304b\u308b\u30bf\u30b9\u30af\u306b\u95a2\u3057\u3066\u306f\u3001\u540c\u3058\u3053\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u3002CPU\u306b\u8ca0\u8377\u306e\u304b\u304b\u308b\u30bf\u30b9\u30af\u306f\u30d7\u30ed\u30bb\u30b9\u5185\u3067\u5229\u7528\u53ef\u80fd\u306a\u8ffd\u52a0\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u7528\u305b\u305a\u306b\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u30d6\u30ed\u30c3\u30af\u3055\u305b\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001q\u3092\u62bc\u3057\u3066top\u3092\u7d42\u4e86\u3057\u3001Node\u30d7\u30ed\u30bb\u30b9\u3092\u505c\u6b62\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/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>Node.js\u306e\u30d7\u30ed\u30bb\u30b9\u5185\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u3064\u3044\u3066\u7406\u89e3\u3057\u305f\u306e\u3067\u3001\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306fCPU\u306b\u8ca0\u8377\u306e\u304b\u304b\u308b\u30bf\u30b9\u30af\u3092\u66f8\u3044\u3066\u3001\u305d\u308c\u304c\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u304b\u3092\u89b3\u5bdf\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u308f\u305a\u306bCPU\u51e6\u7406\u3092\u884c\u3046\u30bf\u30b9\u30af\u306e\u4f5c\u6210<\/h2>\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u975e\u540c\u671f\u306e\u30eb\u30fc\u30c8\u3068\u3001CPU \u30d0\u30a6\u30f3\u30c9\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3059\u308b\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u30eb\u30fc\u30c8\u3092\u6301\u3064 Express \u30a2\u30d7\u30ea\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<p>\u6700\u521d\u306b\u3001\u304a\u597d\u307f\u306e\u30a8\u30c7\u30a3\u30bf\u3067index.js\u3092\u958b\u3044\u3066\u304f\u3060\u3055\u3044\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>index.js\u30d5\u30a1\u30a4\u30eb\u306b\u3001\u57fa\u672c\u7684\u306a\u30b5\u30fc\u30d0\u30fc\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u306e\u30c7\u30e2\/\u30a4\u30f3\u30c7\u30c3\u30af\u30b9.\u30b8\u30a7\u30a4\u30a8\u30b9<\/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\">=&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>\u6b21\u306e\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3067\u306f\u3001Express\u3092\u4f7f\u3063\u3066HTTP\u30b5\u30fc\u30d0\u30fc\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u6700\u521d\u306e\u884c\u3067\u306f\u3001express\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002\u6b21\u306b\u3001app\u5909\u6570\u306b\u306fExpress\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u4fdd\u6301\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u30ea\u30c3\u30b9\u30f3\u3059\u3079\u304d\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u4fdd\u6301\u3059\u308bport\u5909\u6570\u304c\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306b\u5f93\u3063\u3066\u3001app.get(&#8216;\/non-blocking&#8217;)\u3092\u4f7f\u7528\u3057\u3066GET\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u9001\u4fe1\u3055\u308c\u308b\u3079\u304d\u30eb\u30fc\u30c8\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001app.listen()\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u30dd\u30fc\u30c83000\u3067\u306e\u53d7\u4fe1\u3092\u958b\u59cb\u3059\u308b\u3088\u3046\u306b\u6307\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001CPU\u3092\u591a\u304f\u4f7f\u7528\u3059\u308b\u30bf\u30b9\u30af\u3092\u542b\u3080\u5225\u306e\u30eb\u30fc\u30c8\u300c\/\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\/\u300d\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30c7\u30e2\/index.js<\/div>\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>app.get(&#8220;\/blocking&#8221;)\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\/blocking \u30eb\u30fc\u30c8\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u7b2c\u4e8c\u5f15\u6570\u3068\u3057\u3066\u975e\u540c\u671f\u306e\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u53d6\u308a\u307e\u3059\u3002\u3053\u306e\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u306f\u3001CPU\u3092\u591a\u304f\u4f7f\u7528\u3059\u308b\u30bf\u30b9\u30af\u3092 async \u30ad\u30fc\u30ef\u30fc\u30c9\u3068\u5171\u306b\u5b9f\u884c\u3057\u307e\u3059\u3002\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u5185\u3067\u300120\u5104\u56de\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u884c\u3044\u3001\u5404\u53cd\u5fa9\u3067\u30ab\u30a6\u30f3\u30bf\u30fc\u5909\u6570\u30921\u305a\u3064\u5897\u3084\u3057\u307e\u3059\u3002\u3053\u306e\u30bf\u30b9\u30af\u306fCPU\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u3001\u5b8c\u4e86\u3059\u308b\u307e\u3067\u6570\u79d2\u304b\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u6642\u70b9\u3067\u3001index.js\u30d5\u30a1\u30a4\u30eb\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 (Kono jiten de, index.js fainaru wa, jiy\u016b ni wa nari masu)<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u306e\u30c7\u30e2\/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\">=&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\">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\">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\">${<\/span>counter<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span>\r\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">App listening on port <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/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>\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3001\u7d42\u4e86\u3057\u3066\u304b\u3089\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066\u30b5\u30fc\u30d0\u30fc\u3092\u8d77\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\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>\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u51fa\u529b\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>App listening on port 3000<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u308c\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u7a3c\u50cd\u3057\u3066\u304a\u308a\u3001\u30b5\u30fc\u30d3\u30b9\u306e\u63d0\u4f9b\u306b\u6e96\u5099\u304c\u3067\u304d\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u3001\u304a\u597d\u304d\u306a\u30d6\u30e9\u30a6\u30b6\u3067http:\/\/localhost:3000\/non-blocking\u3092\u8a2a\u308c\u3066\u304f\u3060\u3055\u3044\u3002\u3059\u308b\u3068\u3001\u300c\u3053\u306e\u30da\u30fc\u30b8\u306f\u975e\u540c\u671f\u3067\u3059\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u5373\u5ea7\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<div class=\"post-conf-note\">\n<p class=\"post-conf-desc\">Note<\/p>\n<div>\u6ce8\u610f\uff1a\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc\u3067\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30dd\u30fc\u30c8\u30d5\u30a9\u30ef\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30d7\u30ea\u3092\u30d6\u30e9\u30a6\u30b6\u3067\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\nExpress\u30b5\u30fc\u30d0\u30fc\u304c\u307e\u3060\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u9593\u306b\u3001\u30ed\u30fc\u30ab\u30eb\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3067\u5225\u306e\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u958b\u304d\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u307e\u3059\uff1a<br \/>\nssh -L 3000:localhost:3000 \u81ea\u5206\u306e\u975e\u30eb\u30fc\u30c8\u30e6\u30fc\u30b6\u30fc@\u30b5\u30fc\u30d0\u30fc\u306eIP<\/div>\n<p>\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u305f\u3089\u3001\u30ed\u30fc\u30ab\u30eb\u30de\u30b7\u30f3\u306e\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u3067http:\/\/localhost:3000\/non-blocking\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002\u6b8b\u308a\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u9593\u3001\u4e8c\u3064\u76ee\u306e\u30bf\u30fc\u30df\u30ca\u30eb\u306f\u958b\u3044\u305f\u307e\u307e\u306b\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n<p>\u6b21\u306b\u3001\u65b0\u3057\u3044\u30bf\u30d6\u3092\u958b\u304d\u3001http:\/\/localhost:3000\/blocking\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30da\u30fc\u30b8\u304c\u8aad\u307f\u8fbc\u307e\u308c\u308b\u9593\u306b\u3001\u3059\u3070\u3084\u304f\u3055\u3089\u306b2\u3064\u306e\u30bf\u30d6\u3092\u958b\u3044\u3066\u3001\u518d\u3073http:\/\/localhost:3000\/non-blocking\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3059\u308b\u3068\u3001\u5373\u5ea7\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u306f\u5f97\u3089\u308c\u305a\u3001\u30da\u30fc\u30b8\u306f\u8aad\u307f\u8fbc\u307f\u3092\u7d9a\u3051\u307e\u3059\u3002\/blocking\u30eb\u30fc\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u5b8c\u4e86\u3057\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u7d50\u679c\u304c20000000000\u3067\u8fd4\u3055\u308c\u3066\u304b\u3089\u3001\u4ed6\u306e\u30eb\u30fc\u30c8\u3082\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u8fd4\u3059\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5168\u3066\u306e\u975e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u30eb\u30fc\u30c8\u304c\u52d5\u4f5c\u3057\u306a\u3044\u306e\u306f\u3001\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u30eb\u30fc\u30c8\u304c\u30ed\u30fc\u30c9\u3055\u308c\u308b\u305f\u3081\u3067\u3042\u308a\u3001\u305d\u308c\u306fCPU\u306b\u3088\u308b\u30eb\u30fc\u30d7\u304c\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u6642\u3001Node.js\u306fCPU\u306b\u3088\u308b\u30bf\u30b9\u30af\u304c\u7d42\u4e86\u3059\u308b\u307e\u3067\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3082\u3057\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u6570\u5343\u306e\u540c\u6642GET\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u975e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u30eb\u30fc\u30c8\u306b\u5bfe\u3057\u3066\u884c\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u30eb\u30fc\u30c8\u3078\u306e\u4e00\u56de\u306e\u30a2\u30af\u30bb\u30b9\u3067\u5168\u3066\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30eb\u30fc\u30c8\u304c\u5fdc\u7b54\u3057\u306a\u304f\u306a\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n<p>\u3054\u89a7\u306e\u901a\u308a\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30a2\u30d7\u30ea\u4f53\u9a13\u306b\u60aa\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u306f\u3001CPU\u306b\u8ca0\u8377\u306e\u304b\u304b\u308b\u30bf\u30b9\u30af\u3092\u5225\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u30aa\u30d5\u30ed\u30fc\u30c9\u3057\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304c\u4ed6\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u5fdc\u3057\u7d9a\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u3001CTRL+C\u3092\u62bc\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u3092\u505c\u6b62\u3057\u307e\u3059\u3002index.js\u30d5\u30a1\u30a4\u30eb\u306b\u3055\u3089\u306b\u5909\u66f4\u3092\u52a0\u3048\u305f\u5f8c\u3001\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u518d\u8d77\u52d5\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u3092\u505c\u6b62\u3059\u308b\u7406\u7531\u306f\u3001Node.js\u304c\u30d5\u30a1\u30a4\u30eb\u306b\u65b0\u3057\u3044\u5909\u66f4\u304c\u3042\u3063\u305f\u5834\u5408\u306b\u81ea\u52d5\u3067\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u3057\u306a\u3044\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>CPU\u5bc6\u96c6\u306a\u30bf\u30b9\u30af\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u4e0e\u3048\u308b\u30cd\u30ac\u30c6\u30a3\u30d6\u306a\u5f71\u97ff\u3092\u7406\u89e3\u3057\u305f\u306e\u3067\u3001\u7d04\u675f\uff08promises\uff09\u3092\u4f7f\u3063\u3066\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u3092\u56de\u907f\u3057\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h2>CPU-Bound\u30bf\u30b9\u30af\u306e\u30aa\u30d5\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3092Promises\u3092\u4f7f\u7528\u3057\u3066\u884c\u3046<\/h2>\n<p>\u958b\u767a\u8005\u304cCPU\u30dc\u30f3\u30c9\u306e\u30bf\u30b9\u30af\u304b\u3089\u306e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u52b9\u679c\u3092\u5b66\u3076\u3068\u3001\u30b3\u30fc\u30c9\u3092\u975e\u540c\u671f\u5316\u3059\u308b\u305f\u3081\u306b\u30d7\u30ed\u30df\u30b9\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u76f4\u611f\u306f\u3001readFile()\u3084writeFile()\u306a\u3069\u306e\u975e\u540c\u671f\u30d7\u30ed\u30df\u30b9\u30d9\u30fc\u30b9\u306eI\/O\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u77e5\u8b58\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001I\/O\u64cd\u4f5c\u306fNode.js\u306e\u975e\u8868\u793a\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u304a\u308a\u3001CPU\u30dc\u30f3\u30c9\u306e\u30bf\u30b9\u30af\u306b\u306f\u4f7f\u7528\u3055\u308c\u307e\u305b\u3093\u3002\u305d\u308c\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001CPU\u30dc\u30f3\u30c9\u306e\u30bf\u30b9\u30af\u3092\u30d7\u30ed\u30df\u30b9\u3067\u30e9\u30c3\u30d7\u3057\u3066\u975e\u540c\u671f\u5316\u3057\u3088\u3046\u3068\u8a66\u307f\u307e\u3059\u3002\u3053\u308c\u306f\u6a5f\u80fd\u3057\u307e\u305b\u3093\u304c\u3001\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3059\u308b\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u306e\u4fa1\u5024\u3092\u898b\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>Note: Japanese transcription may not be 100% accurate.<\/p>\n<p>\u30a8\u30c7\u30a3\u30bf\u3067index.js\u30d5\u30a1\u30a4\u30eb\u3092\u518d\u5ea6\u958b\u304d\u307e\u3059\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>index.js \u30d5\u30a1\u30a4\u30eb\u304b\u3089\u3001CPU \u8ca0\u8377\u306e\u9ad8\u3044\u30bf\u30b9\u30af\u3092\u542b\u3080\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30c7\u30e2\u306eindex.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\">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<p>\u6b21\u306b\u3001\u4ee5\u4e0b\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u3001\u30d7\u30ed\u30df\u30b9\u3092\u8fd4\u3059\u95a2\u6570\u3092\u542b\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30c7\u30e2\u306eindex.js<\/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\">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>\r\n<\/code><\/pre>\n<p>calculateCount() \u95a2\u6570\u306f\u3001\/blocking \u30cf\u30f3\u30c9\u30e9\u30fc\u95a2\u6570\u306b\u3042\u3063\u305f\u8a08\u7b97\u3092\u542b\u3093\u3067\u3044\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306f\u3001\u65b0\u3057\u3044Promise\u69cb\u6587\u3067\u521d\u671f\u5316\u3055\u308c\u305fPromise\u3092\u8fd4\u3057\u307e\u3059\u3002\u3053\u306ePromise\u306b\u306f\u3001\u6210\u529f\u307e\u305f\u306f\u5931\u6557\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306eresolve\u3068reject\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6301\u3064\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u304c\u6e21\u3055\u308c\u307e\u3059\u3002for\u30eb\u30fc\u30d7\u304c\u5b9f\u884c\u3092\u7d42\u3048\u308b\u3068\u3001Promise\u306fcounter\u5909\u6570\u306e\u5024\u3067\u89e3\u6c7a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001index.js\u30d5\u30a1\u30a4\u30eb\u306e\/blocking\/\u30cf\u30f3\u30c9\u30e9\u95a2\u6570\u3067calculateCount()\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u306e\u30c7\u30e2\u3092\u793a\u3059 index.js<\/div>\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\">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<\/code><\/pre>\n<p>\u3053\u3053\u3067\u306f\u3001\u8a08\u7b97\u30ab\u30a6\u30f3\u30c8\u95a2\u6570\u3092await\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u524d\u7f6e\u3057\u3066\u547c\u3073\u51fa\u3057\u3001\u30d7\u30ed\u30df\u30b9\u306e\u89e3\u6c7a\u3092\u5f85\u3061\u307e\u3059\u3002\u30d7\u30ed\u30df\u30b9\u304c\u89e3\u6c7a\u3055\u308c\u308b\u3068\u3001\u30ab\u30a6\u30f3\u30bf\u5909\u6570\u306f\u89e3\u6c7a\u3055\u308c\u305f\u5024\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3042\u306a\u305f\u306e\u5b8c\u5168\u306a\u30b3\u30fc\u30c9\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff1a<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c7\u30a3\u30f3\u30b0\u30c7\u30e2\u306eindex.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\">=&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\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\">=&gt;<\/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    <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\">=&gt;<\/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\">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\">=&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\">${<\/span>port<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u7d42\u4e86\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u3092\u518d\u8d77\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><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>\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u3067http:\/\/localhost:3000\/blocking\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u30ed\u30fc\u30c9\u3059\u308b\u9593\u306bhttp:\/\/localhost:3000\/non-blocking\u306e\u30bf\u30d6\u3092\u7d20\u65e9\u304f\u30ea\u30ed\u30fc\u30c9\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3059\u308b\u3068\u3001\u975e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u306a\u30eb\u30fc\u30c8\u3082\u5f71\u97ff\u3092\u53d7\u3051\u3001\u5168\u3066\u306e\u30eb\u30fc\u30c8\u304c\/blocking\u30eb\u30fc\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u306e\u7d42\u4e86\u3092\u5f85\u3061\u307e\u3059\u3002\u30eb\u30fc\u30c8\u304c\u307e\u3060\u5f71\u97ff\u3092\u53d7\u3051\u3066\u3044\u308b\u305f\u3081\u3001Promise\u3067\u306fJavaScript\u30b3\u30fc\u30c9\u3092\u4e26\u5217\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u305a\u3001CPU\u306b\u8ca0\u8377\u304c\u304b\u304b\u308b\u30bf\u30b9\u30af\u3092\u975e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u306b\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u308c\u3067\u3001CTRL+C\u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d0\u30fc\u3092\u505c\u6b62\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>CPU\u30d0\u30a6\u30f3\u30c9\u30bf\u30b9\u30af\u3092\u975e\u540c\u671f\u306b\u3059\u308b\u305f\u3081\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63d0\u4f9b\u3057\u306a\u3044\u3053\u3068\u3092\u77e5\u3063\u305f\u4eca\u3001Node.js\u306e\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066CPU\u30d0\u30a6\u30f3\u30c9\u30bf\u30b9\u30af\u3092\u5225\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u30aa\u30d5\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001CPU\u306b\u8ca0\u8377\u306e\u304b\u304b\u308b\u30bf\u30b9\u30af\u3092\u30aa\u30d5\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/h2>\n<p>\u3053\u306e\u7bc0\u3067\u306f\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u306a\u304f\u3001CPU\u8ca0\u8377\u306e\u9ad8\u3044\u30bf\u30b9\u30af\u3092\u5225\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u30aa\u30d5\u30ed\u30fc\u30c9\u3059\u308b\u305f\u3081\u306b\u3001\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u306b\u3001CPU\u8ca0\u8377\u306e\u9ad8\u3044\u30bf\u30b9\u30af\u3092\u542b\u3080worker.js\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002index.js\u30d5\u30a1\u30a4\u30eb\u3067\u306f\u3001\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30b9\u30ec\u30c3\u30c9\u3092\u521d\u671f\u5316\u3057\u3001worker.js\u30d5\u30a1\u30a4\u30eb\u3067\u306e\u30bf\u30b9\u30af\u3092\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3068\u4e26\u5217\u306b\u5b9f\u884c\u3057\u307e\u3059\u3002\u30bf\u30b9\u30af\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u306f\u7d50\u679c\u3092\u542b\u3080\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u3001nproc\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u30662\u3064\u4ee5\u4e0a\u306e\u30b3\u30a2\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">nproc<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p><mark>4<\/mark><\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3082\u30572\u3064\u4ee5\u4e0a\u306e\u30b3\u30a2\u304c\u8868\u793a\u3055\u308c\u305f\u5834\u5408\u306f\u3001\u3053\u306e\u624b\u9806\u3092\u9032\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3067worker.js\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3066\u958b\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><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>\u3042\u306a\u305f\u306eworker.js\u30d5\u30a1\u30a4\u30eb\u306b\u3001worker-threads\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3001CPU\u96c6\u4e2d\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30c7\u30e2\/worker.js<\/div>\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<p>\u6700\u521d\u306e\u884c\u306f\u3001worker_threads\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30ed\u30fc\u30c9\u3057\u3001parentPort\u30af\u30e9\u30b9\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002\u3053\u306e\u30af\u30e9\u30b9\u306f\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u6b21\u306b\u3001index.js\u30d5\u30a1\u30a4\u30eb\u306ecalculateCount()\u95a2\u6570\u306b\u73fe\u5728\u5b58\u5728\u3059\u308bCPU\u96c6\u4e2d\u578b\u306e\u30bf\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001index.js\u304b\u3089\u3053\u306e\u95a2\u6570\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u306b\u7d9a\u3044\u3066\u3001\u4e0b\u306b\u793a\u3057\u305f\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30c7\u30e2\/\u30ef\u30fc\u30ab\u30fc.js<\/div>\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<p>\u3053\u3053\u3067\u306f\u3001parentPort\u30af\u30e9\u30b9\u306epostMessage\uff08\uff09\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3001counter\u5909\u6570\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308bCPU\u30d0\u30a6\u30f3\u30c9\u30bf\u30b9\u30af\u306e\u7d50\u679c\u3092\u542b\u3080\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u9589\u3058\u3066\u304f\u3060\u3055\u3044\u3002\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3067index.js\u3092\u958b\u3044\u3066\u304f\u3060\u3055\u3044\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>worker.js\u306b\u3059\u3067\u306bCPU\u30d0\u30a6\u30f3\u30c9\u30bf\u30b9\u30af\u304c\u3042\u308b\u306e\u3067\u3001index.js\u304b\u3089\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u5316\u306e\u30c7\u30e2\u30f3\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\/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\">=&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\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  <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\">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<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<\/code><\/pre>\n<p>\u6b21\u306b\u3001app.get(&#8220;\/blocking&#8221;)\u306e\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u5185\u306b\u3001\u30b9\u30ec\u30c3\u30c9\u3092\u521d\u671f\u5316\u3059\u308b\u305f\u3081\u306e\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30c7\u30e2\/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<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\">=&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 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>\u6700\u521d\u306b\u3001worker_threads\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3001Worker\u30af\u30e9\u30b9\u3092\u5c55\u958b\u3057\u307e\u3059\u3002app.get(&#8220;\/blocking&#8221;)\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u5185\u3067\u3001new\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066Worker\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001worker.js\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u3092\u5f15\u6570\u3068\u3057\u3066Worker\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u65b0\u3057\u3044\u30b9\u30ec\u30c3\u30c9\u304c\u4f5c\u6210\u3055\u308c\u3001worker.js\u30d5\u30a1\u30a4\u30eb\u306e\u30b3\u30fc\u30c9\u304c\u5225\u306e\u30b3\u30a2\u3067\u30b9\u30ec\u30c3\u30c9\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306b\u7d9a\u3044\u3066\u3001&#8221;message&#8221; \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001worker \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u30a4\u30d9\u30f3\u30c8\u3092\u4ed8\u52a0\u3057\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u30a4\u30d9\u30f3\u30c8\u3092\u53d7\u4fe1\u3059\u308b\u305f\u3081\u306b\u30ea\u30b9\u30cb\u30f3\u30b0\u3057\u307e\u3059\u3002worker.js \u30d5\u30a1\u30a4\u30eb\u304b\u3089\u7d50\u679c\u304c\u542b\u307e\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u53d7\u4fe1\u3055\u308c\u305f\u5834\u5408\u3001\u305d\u308c\u306f\u30e1\u30bd\u30c3\u30c9\u306e\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\u6e21\u3055\u308c\u3001CPU\u30d0\u30a6\u30f3\u30c9\u30bf\u30b9\u30af\u306e\u7d50\u679c\u3092\u542b\u3080\u30e6\u30fc\u30b6\u30fc\u3078\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001on(&#8220;error&#8221;)\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30a8\u30e9\u30fc\u30a4\u30d9\u30f3\u30c8\u3092\u30ea\u30c3\u30b9\u30f3\u3059\u308b\u305f\u3081\u306b\u3001\u5225\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u30ef\u30fc\u30ab\u30fc\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306f\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u542b\u3093\u3060404\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u30e6\u30fc\u30b6\u30fc\u306b\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>\u3042\u306a\u305f\u306e\u5b8c\u5168\u306a\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30c7\u30e2\u306eindex.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\">=&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\">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> 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\">=&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\">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>\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\">=&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\">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\">${<\/span>msg<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span>\r\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">App listening on port <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/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>\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u7d42\u4e86\u3057\u3001\u305d\u306e\u5f8c\u30b5\u30fc\u30d0\u30fc\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\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>Web\u30d6\u30e9\u30a6\u30b6\u3067\u518d\u3073http:\/\/localhost:3000\/blocking\u30bf\u30d6\u3092\u8a2a\u308c\u3066\u304f\u3060\u3055\u3044\u3002\u30ed\u30fc\u30c9\u304c\u5b8c\u4e86\u3059\u308b\u524d\u306b\u3001\u3059\u3079\u3066\u306ehttp:\/\/localhost:3000\/non-blocking\u30bf\u30d6\u3092\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3059\u308b\u3068\u3001\/blocking\u30eb\u30fc\u30c8\u306e\u30ed\u30fc\u30c9\u304c\u5b8c\u4e86\u3059\u308b\u306e\u3092\u5f85\u305f\u305a\u306b\u3001\u975e\u5e38\u306b\u5373\u5ea7\u306b\u30ed\u30fc\u30c9\u3055\u308c\u308b\u3053\u3068\u306b\u6c17\u4ed8\u304f\u306f\u305a\u3067\u3059\u3002\u3053\u308c\u306f\u3001CPU\u306b\u8ca0\u8377\u306e\u304b\u304b\u308b\u30bf\u30b9\u30af\u304c\u5225\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u30aa\u30d5\u30ed\u30fc\u30c9\u3055\u308c\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304c\u3059\u3079\u3066\u306e\u7740\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u4eca\u3001CTRL+C\u3092\u4f7f\u3063\u3066\u30b5\u30fc\u30d0\u30fc\u3092\u505c\u6b62\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>CPU \u3092\u4f7f\u7528\u3059\u308b\u30bf\u30b9\u30af\u3092\u975e\u540c\u671f\u5316\u3059\u308b\u305f\u3081\u306b\u3001\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002CPU \u3092\u591a\u304f\u4f7f\u7528\u3059\u308b\u30bf\u30b9\u30af\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u30924\u3064\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<h2>4\u3064\u306e\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066CPU\u8ca0\u8377\u306e\u9ad8\u3044\u30bf\u30b9\u30af\u3092\u6700\u9069\u5316\u3059\u308b<\/h2>\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001CPU\u3092\u591a\u304f\u4f7f\u7528\u3059\u308b\u30bf\u30b9\u30af\u30924\u3064\u306e\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u306b\u5206\u6563\u3055\u305b\u3001\u30bf\u30b9\u30af\u3092\u65e9\u304f\u7d42\u4e86\u3055\u305b\u3066\/blocking\u30eb\u30fc\u30c8\u306e\u30ed\u30fc\u30c9\u6642\u9593\u3092\u77ed\u7e2e\u3057\u307e\u3059\u3002<\/p>\n<p>\u540c\u3058\u30bf\u30b9\u30af\u3092\u3088\u308a\u591a\u304f\u306e\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u3067\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u30bf\u30b9\u30af\u3092\u5206\u5272\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30bf\u30b9\u30af\u306f200\u5104\u56de\u306e\u30eb\u30fc\u30d7\u304c\u542b\u307e\u308c\u308b\u305f\u3081\u3001200\u5104\u3092\u4f7f\u7528\u3059\u308b\u30b9\u30ec\u30c3\u30c9\u306e\u6570\u3067\u5206\u5272\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u306f4\u3067\u3059\u3002200_000_000_000 \/ 4 \u3092\u8a08\u7b97\u3059\u308b\u3068\u30015_000_000_000 \u3068\u306a\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5404\u30b9\u30ec\u30c3\u30c9\u306f0\u304b\u30895_000_000_000\u307e\u3067\u306e\u7bc4\u56f2\u3067\u30eb\u30fc\u30d7\u3057\u3001\u30ab\u30a6\u30f3\u30bf\u30fc\u30921\u305a\u3064\u5897\u3084\u3057\u307e\u3059\u3002\u5404\u30b9\u30ec\u30c3\u30c9\u304c\u7d42\u4e86\u3059\u308b\u3068\u3001\u7d50\u679c\u3092\u542b\u3080\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304c4\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u304b\u3089\u305d\u308c\u305e\u308c\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u3063\u305f\u3089\u3001\u7d50\u679c\u3092\u7d50\u5408\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u5fdc\u7b54\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057\u5927\u91cf\u306e\u914d\u5217\u3092\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3059\u308b\u30bf\u30b9\u30af\u304c\u3042\u308b\u5834\u5408\u3067\u3082\u3001\u540c\u3058\u624b\u6cd5\u3092\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306e800\u679a\u306e\u753b\u50cf\u306e\u30b5\u30a4\u30ba\u3092\u5909\u66f4\u3057\u305f\u3044\u5834\u5408\u3001\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u3092\u542b\u3080\u914d\u5217\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u6b21\u306b\u3001800\u30924\uff08\u30b9\u30ec\u30c3\u30c9\u6570\uff09\u3067\u5272\u308a\u3001\u5404\u30b9\u30ec\u30c3\u30c9\u304c\u51e6\u7406\u3059\u308b\u7bc4\u56f2\u3092\u6c7a\u3081\u307e\u3059\u3002\u30b9\u30ec\u30c3\u30c91\u306f\u3001\u914d\u5217\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b90\u304b\u3089199\u307e\u3067\u306e\u753b\u50cf\u3092\u30ea\u30b5\u30a4\u30ba\u3057\u3001\u30b9\u30ec\u30c3\u30c92\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9200\u304b\u3089399\u307e\u3067\u306e\u753b\u50cf\u3092\u30ea\u30b5\u30a4\u30ba\u3057\u3001\u4f9d\u6b21\u306b\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>\u6700\u521d\u306b\u30014\u3064\u4ee5\u4e0a\u306e\u30b3\u30a2\u3092\u6301\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\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=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p><mark>4<\/mark><\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>cp\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066worker.js\u30d5\u30a1\u30a4\u30eb\u306e\u30b3\u30d4\u30fc\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cp<\/span> worker.js four_workers.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u73fe\u5728\u306eindex.js\u3068worker.js\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u305d\u306e\u307e\u307e\u6b8b\u3055\u308c\u307e\u3059\u306e\u3067\u3001\u5f8c\u3067\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u5909\u66f4\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6bd4\u8f03\u3059\u308b\u305f\u3081\u306b\u518d\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3067four_workers.js\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><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>\u300cfour_workers.js\u300d\u30d5\u30a1\u30a4\u30eb\u306b\u3001workerData\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30c7\u30e2\/four_workers.js<\/div>\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>\u6700\u521d\u306b\u3001WorkerData\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002\u3053\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304b\u3089\u521d\u671f\u5316\u6642\u306b\u6e21\u3055\u308c\u305f\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u307e\u3059\uff08index.js\u30d5\u30a1\u30a4\u30eb\u3067\u307e\u3082\u306a\u304f\u884c\u3046\u4e88\u5b9a\u3067\u3059\uff09\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u3001\u30b9\u30ec\u30c3\u30c9\u306e\u6570\u3067\u3042\u308b4\u3092\u542b\u3080thread_count\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u3042\u308a\u307e\u3059\u3002\u6b21\u306bfor\u30eb\u30fc\u30d7\u3067\u3001\u502420_000_000_000\u30924\u3067\u5272\u308b\u3053\u3068\u3067\u30015_000_000_000\u3068\u3044\u3046\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u9589\u3058\u305f\u5f8c\u3001index.js\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30d4\u30fc\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cp<\/span> index.js index_four_workers.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30a8\u30c7\u30a3\u30bf\u3067index_four_workers.js \u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><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>\u3042\u306a\u305f\u306eindex_four_workers.js\u30d5\u30a1\u30a4\u30eb\u306b\u3001\u30b9\u30ec\u30c3\u30c9\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30fb\u30c7\u30e2\/\u30a4\u30f3\u30c7\u30c3\u30af\u30b9_\u30d5\u30a9\u30fc\u30a6\u30a9\u30fc\u30ab\u30fc\u30ba.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>\u6700\u521d\u306b\u3001\u4f5c\u6210\u3059\u308b\u30b9\u30ec\u30c3\u30c9\u6570\u3092\u6307\u5b9a\u3059\u308bTHREAD_COUNT\u3068\u3044\u3046\u5b9a\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u5f8c\u306b\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u3088\u308a\u591a\u304f\u306e\u30b3\u30a2\u304c\u642d\u8f09\u3055\u308c\u308b\u3068\u3001\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u306b\u306fTHREAD_COUNT\u306e\u5024\u3092\u4f7f\u7528\u3057\u305f\u3044\u30b9\u30ec\u30c3\u30c9\u6570\u306b\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001createWorker()\u95a2\u6570\u306fPromise\u3092\u4f5c\u6210\u3057\u3066\u8fd4\u3057\u307e\u3059\u3002Promise\u306e\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u5185\u3067\u3001\u6700\u521d\u306e\u5f15\u6570\u306bfour_workers.js\u30d5\u30a1\u30a4\u30eb\u306e\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u3092Worker\u30af\u30e9\u30b9\u306b\u6e21\u3059\u3053\u3068\u3067\u65b0\u3057\u3044\u30b9\u30ec\u30c3\u30c9\u3092\u521d\u671f\u5316\u3057\u307e\u3059\u3002\u6b21\u306b\u30012\u756a\u76ee\u306e\u5f15\u6570\u3068\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6e21\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306bworkerData\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5272\u308a\u5f53\u3066\u307e\u3059\u304c\u3001\u305d\u306e\u5024\u306f\u5225\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002\u6700\u5f8c\u306b\u3001thread_count\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u306fTHREAD_COUNT\u5b9a\u6570\u3067\u6307\u5b9a\u3055\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u6570\u304c\u5024\u3068\u3057\u3066\u5272\u308a\u5f53\u3066\u3089\u308c\u307e\u3059\u3002workerData\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u4ee5\u524d\u306bworkers.js\u30d5\u30a1\u30a4\u30eb\u3067\u53c2\u7167\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002<\/p>\n<p>\u7d04\u675f\u304c\u89e3\u6c7a\u3055\u308c\u308b\u304b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u304b\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u90e8\u5206\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30c7\u30e2\/index_four_workers.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>\u52b4\u50cd\u8005\u30b9\u30ec\u30c3\u30c9\u304c\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3059\u308b\u3068\u3001\u30d7\u30ed\u30df\u30b9\u306f\u8fd4\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3067\u89e3\u6c7a\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u30d7\u30ed\u30df\u30b9\u306f\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>\u65b0\u3057\u3044\u30b9\u30ec\u30c3\u30c9\u3092\u521d\u671f\u5316\u3057\u3001\u305d\u306e\u30b9\u30ec\u30c3\u30c9\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8fd4\u3059\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u305f\u306e\u3067\u3001app.get(&#8220;\/blocking&#8221;)\u5185\u3067\u305d\u306e\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u65b0\u3057\u3044\u30b9\u30ec\u30c3\u30c9\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u6700\u521d\u306b\u3001createWorker\uff08\uff09\u6a5f\u80fd\u3067\u65e2\u306b\u3053\u306e\u6a5f\u80fd\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u6b21\u306b\u4ee5\u4e0b\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u30b3\u30fc\u30c9\u3092\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30c7\u30e2\u306e\u300cindex_four_workers.js\u300d\u3067\u3059\u3002<\/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>\u524a\u9664\u3055\u308c\u305f\u30b3\u30fc\u30c9\u306e\u4ee3\u308f\u308a\u306b\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u30664\u3064\u306e\u30ef\u30fc\u30af\u30b9\u30ec\u30c3\u30c9\u3092\u521d\u671f\u5316\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30c7\u30e2\u306e\u30d5\u30a1\u30a4\u30eb\u300cindex_four_workers.js\u300d\u3092\u65e5\u672c\u8a9e\u3067\u8868\u73fe\u3059\u308b\u3068\u3001\u300c\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c7\u30a3\u30f3\u30b0\u30c7\u30e2\/\u30a4\u30f3\u30c7\u30c3\u30af\u30b9_\u56db\u3064\u306e\u30ef\u30fc\u30ab\u30fc.js\u300d\u3068\u306a\u308a\u307e\u3059\u3002<\/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> 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>\u6700\u521d\u306b\u3001\u7a7a\u306e\u914d\u5217\u3092\u542b\u3080workerPromises\u5909\u6570\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u6b21\u306b\u3001THREAD_COUNT\u3068\u3044\u3046\u5024\u306e\u56de\u6570\u3060\u3051\u7e70\u308a\u8fd4\u3057\u3092\u884c\u3044\u307e\u3059\uff08\u3053\u306e\u5024\u306f4\u3067\u3059\uff09\u3002\u5404\u7e70\u308a\u8fd4\u3057\u306e\u9593\u306b\u3001createWorker()\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3066\u65b0\u3057\u3044\u30b9\u30ec\u30c3\u30c9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u95a2\u6570\u304c\u8fd4\u3059promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092JavaScript\u306epush\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066workerPromises\u914d\u5217\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002\u30eb\u30fc\u30d7\u304c\u7d42\u4e86\u3059\u308b\u3068\u3001workerPromises\u306fcreateWorker()\u95a2\u6570\u30924\u56de\u547c\u3073\u51fa\u3059\u3054\u3068\u306b\u8fd4\u3055\u308c\u308bpromise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c4\u3064\u542b\u307e\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4eca\u3001\u4ee5\u4e0b\u306b\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u3001\u30d7\u30ed\u30df\u30b9\u304c\u89e3\u6c7a\u3059\u308b\u306e\u3092\u5f85\u3061\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u5fdc\u7b54\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30c7\u30e2\/\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u56db\u4eba\u306e\u52b4\u50cd\u8005\u3002<\/div>\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\">result is <\/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>workerPromises\u3068\u3044\u3046\u914d\u5217\u306b\u306f\u3001createWorker()\u3092\u547c\u3073\u51fa\u3057\u3066\u8fd4\u3055\u308c\u305f\u30d7\u30ed\u30df\u30b9\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u3001Promise.all()\u30e1\u30bd\u30c3\u30c9\u306e\u524d\u306bawait\u69cb\u6587\u3092\u3064\u3051\u3001\u305d\u306eall()\u30e1\u30bd\u30c3\u30c9\u3092workerPromises\u3092\u5f15\u6570\u3068\u3057\u3066\u547c\u3073\u51fa\u3057\u307e\u3059\u3002Promise.all()\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u914d\u5217\u5185\u306e\u3059\u3079\u3066\u306e\u30d7\u30ed\u30df\u30b9\u304c\u89e3\u6c7a\u3059\u308b\u306e\u3092\u5f85\u3061\u307e\u3059\u3002\u305d\u308c\u304c\u8d77\u3053\u308b\u3068\u3001thread_results\u5909\u6570\u306b\u306f\u30d7\u30ed\u30df\u30b9\u304c\u89e3\u6c7a\u3057\u305f\u5024\u304c\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002\u8a08\u7b97\u306f4\u3064\u306e\u30ef\u30fc\u30ab\u30fc\u306b\u5206\u5272\u3055\u308c\u3066\u3044\u305f\u305f\u3081\u3001\u30d6\u30e9\u30b1\u30c3\u30c8\u8868\u8a18\u69cb\u6587\u3092\u4f7f\u3063\u3066thread_results\u304b\u3089\u305d\u308c\u305e\u308c\u306e\u5024\u3092\u53d6\u5f97\u3057\u3001\u3059\u3079\u3066\u3092\u5408\u8a08\u3057\u307e\u3059\u3002\u5408\u8a08\u5024\u304c\u6c42\u307e\u3063\u305f\u3089\u3001\u305d\u308c\u3092\u30da\u30fc\u30b8\u306b\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>\u5b8c\u5168\u306a\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30c7\u30e2\/index_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\">=&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\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\">=&gt;<\/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\">=&gt;<\/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\">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>\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\">=&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  <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\">result is <\/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\">=&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\">${<\/span>port<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u9589\u3058\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u3059\u308b\u524d\u306b\u3001\u307e\u305aindex.js\u3092\u5b9f\u884c\u3057\u3066\u5fdc\u7b54\u6642\u9593\u3092\u6e2c\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><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>\u6b21\u306b\u3001\u30ed\u30fc\u30ab\u30eb\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3067\u65b0\u3057\u3044\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u958b\u304d\u3001\u4ee5\u4e0b\u306ecurl\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306f\u3001\/blocking\u30eb\u30fc\u30c8\u304b\u3089\u306e\u5fdc\u7b54\u307e\u3067\u306b\u304b\u304b\u308b\u6642\u9593\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">time<\/span> <span class=\"token function\">curl<\/span> <span class=\"token parameter variable\">&#8211;get<\/span> http:\/\/localhost:3000\/blocking<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>time\u30b3\u30de\u30f3\u30c9\u306f\u3001curl\u30b3\u30de\u30f3\u30c9\u306e\u5b9f\u884c\u6642\u9593\u3092\u8a08\u6e2c\u3057\u307e\u3059\u3002curl\u30b3\u30de\u30f3\u30c9\u306f\u6307\u5b9a\u3055\u308c\u305fURL\u306bHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3001&#8211;get\u30aa\u30d7\u30b7\u30e7\u30f3\u306fcurl\u306bGET\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u884c\u3046\u3088\u3046\u6307\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3055\u308c\u308b\u3068\u3001\u51fa\u529b\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>real 0m<mark>28.882s<\/mark> user 0m0.018s sys 0m0.000s<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u305f\u51fa\u529b\u306b\u3088\u308b\u3068\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u53d6\u5f97\u3059\u308b\u306e\u306b\u7d0428\u79d2\u304b\u304b\u308a\u307e\u3059\u304c\u3001\u305d\u308c\u306f\u304a\u4f7f\u3044\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001CTRL+C\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u505c\u6b62\u3057\u3001index_four_workers.js\u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">node<\/span> index_four_workers.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4e8c\u3064\u76ee\u306e\u7aef\u672b\u3067\u518d\u5ea6\/blocking\u30eb\u30fc\u30c8\u3092\u8a2a\u308c\u3066\u304f\u3060\u3055\u3044\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>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u51fa\u529b\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>real 0m<mark>8.491s<\/mark> user 0m0.011s sys 0m0.005s<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u51fa\u529b\u7d50\u679c\u306b\u3088\u308b\u3068\u3001\u7d048\u79d2\u304b\u304b\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u304a\u304a\u3088\u305d70%\u77ed\u7e2e\u3067\u304d\u305f\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p>\u56db\u3064\u306e\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066CPU\u306b\u3088\u3063\u3066\u5236\u7d04\u3055\u308c\u308b\u30bf\u30b9\u30af\u3092\u6210\u529f\u88cf\u306b\u6700\u9069\u5316\u3057\u307e\u3057\u305f\u3002\u3082\u30574\u3064\u4ee5\u4e0a\u306e\u30b3\u30a2\u3092\u6301\u3064\u30de\u30b7\u30f3\u304c\u3042\u308b\u5834\u5408\u306f\u3001THREAD_COUNT\u3092\u305d\u306e\u6570\u5024\u306b\u66f4\u65b0\u3059\u308c\u3070\u3001\u3055\u3089\u306b\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u77ed\u7e2e\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u7d50\u8ad6\u3068\u306f\u3001\u65e5\u672c\u8a9e\u3067\u3044\u3046\u3068\u300c\u7d50\u8ad6\u300d\u3068\u306a\u308a\u307e\u3059\u3002<\/h2>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308bCPU\u30d0\u30a6\u30f3\u30c9\u30bf\u30b9\u30af\u3092\u6301\u3064Node\u30a2\u30d7\u30ea\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u5f8c\u3001\u975e\u540c\u671f\u51e6\u7406\u3092\u884c\u3046\u305f\u3081\u306b\u30d7\u30ed\u30df\u30b9\u3092\u4f7f\u7528\u3059\u308b\u8a66\u307f\u304c\u5931\u6557\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u5f8c\u3001CPU\u30d0\u30a6\u30f3\u30c9\u30bf\u30b9\u30af\u3092\u5225\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u30aa\u30d5\u30ed\u30fc\u30c9\u3059\u308b\u305f\u3081\u306bworker_threads\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002\u6700\u5f8c\u306b\u3001CPU\u96c6\u4e2d\u30bf\u30b9\u30af\u306e\u51e6\u7406\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u3001worker_threads\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u30664\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3068\u3057\u3066\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001Node.js\u306e\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001CPU\u96c6\u4e2d\u578b\u306e\u30bf\u30b9\u30af\u306e\u305f\u3081\u306e\u30ef\u30fc\u30ab\u30fc\u30d7\u30fc\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u300cpiscina\u300d\u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u30c1\u30a7\u30c3\u30af\u3067\u304d\u307e\u3059\u3002Node.js\u306e\u5b66\u7fd2\u3092\u7d9a\u3051\u305f\u3044\u5834\u5408\u306f\u3001\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u30b7\u30ea\u30fc\u30ba\u300cHow To Code in Node.js\u300d\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b46\u8005\u306f\u3001Write for Donations \u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u4e00\u74b0\u3068\u3057\u3066\u3001Open Sourcing Mental Illness \u306b\u5bc4\u4ed8\u3092\u3059\u308b\u3053\u3068\u3092\u9078\u3073\u307e\u3057\u305f\u3002 \u306f\u3058\u3081\u306b Node.js\u306fJavaScript\u30b3\u30fc\u30c9\u3092\u5358\u4e00 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[71,26],"class_list":["post-511","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-node-js","tag-26"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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content=\"Node.js\u3067\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u3046\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"Node.js\u3067\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u3046\u65b9\u6cd5\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/node-js\u3067\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u3046\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-16T21:40:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-31T15:09:40+00:00\" \/>\n<meta name=\"author\" content=\"\u84ee, \u7ffc\" \/>\n<meta name=\"twitter:card\" 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