{"id":503,"date":"2023-04-19T22:22:58","date_gmt":"2023-08-06T17:39:27","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/node-js%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%ae%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%aa%e3%83%b3%e3%82%b0%e6%96%b9%e6%b3%95%e3%81%a8%e3%81%97%e3%81%a6%e3%81%ae\/"},"modified":"2025-08-01T00:05:34","modified_gmt":"2025-07-31T15:05:34","slug":"node-js%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%ae%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%aa%e3%83%b3%e3%82%b0%e6%96%b9%e6%b3%95%e3%81%a8%e3%81%97%e3%81%a6%e3%81%ae","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/node-js%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%ae%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%aa%e3%83%b3%e3%82%b0%e6%96%b9%e6%b3%95%e3%81%a8%e3%81%97%e3%81%a6%e3%81%ae\/","title":{"rendered":"Node.js\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u65b9\u6cd5\u3068\u3057\u3066\u306e\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u306e\u624b\u6cd5"},"content":{"rendered":"<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u4e00\u74b0\u3068\u3057\u3066\u3001\u8457\u8005\u306f\u5bc4\u4ed8\u5148\u3068\u3057\u3066\u300cSociety of Women Engineers\u300d\u3092\u9078\u3073\u307e\u3057\u305f\u3002<\/p>\n<h3>\u306f\u3058\u3081\u306b<\/h3>\n<p>\u8907\u6570\u306eCPU\u3092\u5099\u3048\u305f\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067Node.js\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u5358\u4e00\u306eCPU\u3092\u4f7f\u7528\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002Node.js\u306fJavaScript\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u5358\u4e00\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3078\u306e\u3059\u3079\u3066\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u5358\u4e00\u306eCPU\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u30b9\u30ec\u30c3\u30c9\u3067\u51e6\u7406\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306bCPU\u96c6\u4e2d\u306e\u30bf\u30b9\u30af\u304c\u3042\u308b\u5834\u5408\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306f\u305d\u308c\u3089\u3092\u5358\u4e00\u306eCPU\u3067\u5b8c\u4e86\u3059\u308b\u307e\u3067\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u3042\u307e\u308a\u306b\u3082\u591a\u304f\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u308b\u3068\u3001\u5358\u4e00\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u5727\u5012\u3055\u308c\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30d7\u30ed\u30bb\u30b9\u304c\u30af\u30e9\u30c3\u30b7\u30e5\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u89e3\u6c7a\u7b56\u3068\u3057\u3066\u3001Node.js\u306f\u540c\u3058\u30de\u30b7\u30f3\u4e0a\u3067\u540c\u3058\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8907\u6570\u306e\u30b3\u30d4\u30fc\u3092\u4f5c\u6210\u3057\u3001\u540c\u6642\u306b\u52d5\u4f5c\u3055\u305b\u308b\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u5c0e\u5165\u3057\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d7\u30ed\u30bb\u30b9\u9593\u3067\u8ca0\u8377\u3092\u5747\u7b49\u306b\u5206\u6563\u3059\u308b\u305f\u3081\u306e\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u3082\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u5358\u4e00\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u30af\u30e9\u30c3\u30b7\u30e5\u3057\u305f\u5834\u5408\u3001\u307e\u3060\u52d5\u4f5c\u3057\u3066\u3044\u308b\u6b8b\u308a\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u3063\u3066\u30e6\u30fc\u30b6\u30fc\u306b\u5bfe\u3057\u3066\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u8ca0\u8377\u304c\u8907\u6570\u306e\u30d7\u30ed\u30bb\u30b9\u9593\u3067\u5747\u7b49\u306b\u5171\u6709\u3055\u308c\u308b\u305f\u3081\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u3001\u5358\u4e00\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u904e\u8ca0\u8377\u306b\u306a\u308b\u3053\u3068\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u30014\u3064\u4ee5\u4e0a\u306eCPU\u3092\u642d\u8f09\u3057\u305f\u30de\u30b7\u30f3\u4e0a\u3067\u30af\u30e9\u30b9\u30bf\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066Node.js\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002\u307e\u305a\u3001\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u306a\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u3001\u305d\u308c\u3092\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u5909\u66f4\u3057\u307e\u3059\u3002\u307e\u305f\u3001pm2\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8907\u6570\u306eCPU\u306b\u30b9\u30b1\u30fc\u30eb\u3055\u305b\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30ed\u30fc\u30c9\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6bd4\u8f03\u3057\u3001pm2\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/p>\n<h2>\u524d\u63d0\u6761\u4ef6<\/h2>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u304c\u5fc5\u8981\u3067\u3059:<\/p>\n<ul class=\"post-ul\">\n<li>A system with four or more CPUs.If you\u2019re using a remote server with Ubuntu 22.04, you can set up your system by following our Initial Server Setup.<\/li>\n<li>Node.js set up in your development environment. If you\u2019re running Ubuntu 22.04, follow Option 3 of How To Install Node.js on Ubuntu 22.04. For other systems, visit How To Install Node.js and Create a Local Development Environment.<\/li>\n<li>Basic knowledge for using Express, which you can refresh with How To Get Started with Node.js and Express.<\/li>\n<\/ul>\n<h2>\u30b9\u30c6\u30c3\u30d71\uff1a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u8a2d\u5b9a<\/h2>\n<p>\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3057\u3001\u5f8c\u3067\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u69cb\u7bc9\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002Step 2\u3067\u306f\u3001Express\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002Step 3\u3067\u306f\u3001\u7d44\u307f\u8fbc\u307f\u306enode-cluster\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u8907\u6570\u306eCPU\u306b\u30b9\u30b1\u30fc\u30eb\u3057\u3001Step 4\u3067loadtest\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001pm2\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u30b9\u30b1\u30fc\u30eb\u3057\u3001Step 5\u3067\u518d\u5ea6\u6e2c\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u59cb\u3081\u308b\u305f\u3081\u306b\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002cluster_demo\u3068\u547c\u3093\u3060\u308a\u3001\u597d\u304d\u306a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u540d\u3092\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">mkdir<\/span> <mark>cluster_demo<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6b21\u306b\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u79fb\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token builtin class-name\">cd<\/span> <mark>cluster_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>\u305d\u3057\u3066\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u521d\u671f\u5316\u3057\u3001\u540c\u6642\u306bpackage.json\u30d5\u30a1\u30a4\u30eb\u3082\u4f5c\u6210\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>\u300c-y\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001NPM\u306b\u3059\u3079\u3066\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u53d7\u3051\u5165\u308c\u308b\u3088\u3046\u306b\u6307\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3055\u308c\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u7d50\u679c\u304c\u51fa\u529b\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>Wrote to \/home\/<mark>sammy<\/mark>\/<mark>cluster_demo<\/mark>\/package.json: { &#8220;name&#8221;: &#8220;<mark>cluster_demo<\/mark>&#8220;, &#8220;version&#8221;: &#8220;1.0.0&#8221;, &#8220;description&#8221;: &#8220;&#8221;, &#8220;main&#8221;: &#8220;index.js&#8221;, &#8220;scripts&#8221;: { &#8220;test&#8221;: &#8220;echo \\&#8221;Error: no test specified\\&#8221; &amp;&amp; exit 1&#8243; }, &#8220;keywords&#8221;: [], &#8220;author&#8221;: &#8220;&#8221;, &#8220;license&#8221;: &#8220;ISC&#8221; }<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3042\u306a\u305f\u306e\u7279\u5b9a\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5408\u3063\u305f\u4ee5\u4e0b\u306e\u7279\u6027\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul class=\"post-ul\">\n<li>name: the name of the npm package.<\/li>\n<li>version: your package\u2019s version number.<\/li>\n<li>main: the entry point of your project.<\/li>\n<\/ul>\n<p>\u4ed6\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u5b66\u3076\u306b\u306f\u3001NPM\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u306epackage.json\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u6b21\u306b\u3001\u304a\u597d\u307f\u306e\u30a8\u30c7\u30a3\u30bf\u3067package.json\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u304f\u3060\u3055\u3044\uff08\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306fnano\u3092\u4f7f\u7528\u3057\u307e\u3059\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">nano<\/span> package.json<\/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\u306epackage.json\u30d5\u30a1\u30a4\u30eb\u306b\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\u6642\u306bES\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306b\u3001\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u305f\u30c6\u30ad\u30b9\u30c8\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30af\u30e9\u30b9\u30bf\u30fc\u30c7\u30e2\/\u30d1\u30c3\u30b1\u30fc\u30b8.json<\/div>\n<pre class=\"post-pre\"><code><span class=\"token punctuation\">{<\/span>\r\n  ...\r\n  <span class=\"token property\">\"author\"<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">\"\"<\/span><span class=\"token punctuation\">,<\/span>\r\n  <span class=\"token property\">\"license\"<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">\"ISC\"<\/span><mark><span class=\"token punctuation\">,<\/span><\/mark>\r\n  <mark><span class=\"token property\">\"type\"<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">\"module\"<\/span><\/mark>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>CTRL+X\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3001\u9589\u3058\u308b\u3002 (CTRL+X\u3067=CTRL+X\u3067\u30d5\u30a1\u30a4\u30eb\u3092)<\/p>\n<p>\u6b21\u306b\u3001\u6b21\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li>express: a framework for building web applications in Node.js.<\/li>\n<li>loadtest: a load testing tool, useful for generating traffic to an app to measure its performance.<\/li>\n<li>pm2: a tool that automatically scales an app to multiple CPUs.<\/li>\n<\/ul>\n<p>\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3001Express\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">npm<\/span> <span class=\"token function\">install<\/span> express<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6b21\u306b\u3001\u30ed\u30fc\u30c9\u30c6\u30b9\u30c8\u3068pm2\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u305f\u3081\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">npm<\/span> <span class=\"token function\">install<\/span> <span class=\"token parameter variable\">-g<\/span> loadtest pm2<\/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>\u5fc5\u8981\u306a\u4f9d\u5b58\u95a2\u4fc2\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u306e\u3067\u3001\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u306a\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d72 \u2014 \u30af\u30e9\u30b9\u30bf\u30fc\u3092\u4f7f\u7528\u305b\u305a\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b<\/h2>\n<p>\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u3054\u3068\u306bCPU\u96c6\u4e2d\u30bf\u30b9\u30af\u3092\u958b\u59cb\u3059\u308b\u5358\u4e00\u306e\u30eb\u30fc\u30c8\u3092\u542b\u3080\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u306a\u3044\u305f\u3081\u30011\u3064\u306eCPU\u3067\u30a2\u30d7\u30ea\u306e\u5358\u4e00\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u5b9f\u884c\u3059\u308b\u5834\u5408\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5f71\u97ff\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002\u5f8c\u3067\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n<p>\u597d\u304d\u306a\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u307e\u305f\u306fnano\u3092\u4f7f\u7528\u3057\u3066\u3001index.js\u30d5\u30a1\u30a4\u30eb\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=\"$\"><span class=\"token function\">nano<\/span> index.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>index.js\u30d5\u30a1\u30a4\u30eb\u306b\u6b21\u306e\u884c\u3092\u8ffd\u52a0\u3057\u3066\u3001Express\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30af\u30e9\u30b9\u30bf\u30fc\u30c7\u30e2\/index.js<\/div>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">import<\/span> express <span class=\"token keyword\">from<\/span> <span class=\"token string\">\"express\"<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">const<\/span> port <span class=\"token operator\">=<\/span> <span class=\"token number\">3000<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">const<\/span> app <span class=\"token operator\">=<\/span> <span class=\"token function\">express<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">worker pid=<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>process<span class=\"token punctuation\">.<\/span>pid<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<\/code><\/pre>\n<p>\u6700\u521d\u306e\u884c\u3067\u306f\u3001express\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u307e\u3059\u30022\u884c\u76ee\u3067\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u5f85\u6a5f\u3059\u308b\u30dd\u30fc\u30c8\u3092\u30dd\u30fc\u30c83000\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001app\u5909\u6570\u3092Express\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u7d44\u307f\u8fbc\u307f\u306e\u30d7\u30ed\u30bb\u30b9\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u30d7\u30ed\u30bb\u30b9ID\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u30ed\u30b0\u3057\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001CPU\u306b\u8ca0\u8377\u3092\u304b\u3051\u308b\u30eb\u30fc\u30d7\u3092\u542b\u3080\/ heavy\u3068\u3044\u3046\u30eb\u30fc\u30c8\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306b\u3001\u3053\u308c\u3089\u306e\u884c\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u300ccluster_demo\/index.js\u300d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u65e5\u672c\u8a9e\u3067\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u300c\u30af\u30e9\u30b9\u30bf\u30fc\u30c7\u30e2\/index.js\u300d<\/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\">\"\/heavy\"<\/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  <span class=\"token keyword\">let<\/span> total <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\">5_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    total<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\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">The result of the CPU intensive task 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 string\">\\n<\/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>\u300c\u30d8\u30d3\u30fc\u306a\u30eb\u30fc\u30c8\u3067\u306f\u3001total\u5909\u6570\u3092500\u4e07\u56de\u5897\u3084\u3059\u30eb\u30fc\u30d7\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001res.send()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066total\u5909\u6570\u306e\u5024\u3092\u542b\u3080\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002CPU\u306b\u8ca0\u8377\u3092\u304b\u3051\u308b\u30bf\u30b9\u30af\u306e\u4f8b\u306f\u4efb\u610f\u306e\u3082\u306e\u3067\u3059\u304c\u3001\u8907\u96d1\u3055\u3092\u8ffd\u52a0\u305b\u305a\u306bCPU\u306b\u8ca0\u8377\u3092\u304b\u3051\u308b\u30bf\u30b9\u30af\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u30eb\u30fc\u30c8\u306e\u540d\u524d\u306b\u306f\u4ed6\u306e\u540d\u524d\u3082\u4f7f\u7528\u3067\u304d\u307e\u3059\u304c\u3001\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\/heavy\u3092\u4f7f\u7528\u3057\u3066\u91cd\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30bf\u30b9\u30af\u3092\u793a\u3057\u307e\u3059\u3002\u300d<\/p>\n<p>\u6b21\u306b\u3001Express\u30e2\u30b8\u30e5\u30fc\u30eb\u306elisten()\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u3001port\u5909\u6570\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u30dd\u30fc\u30c83000\u3067\u30b5\u30fc\u30d0\u30fc\u304c\u30ea\u30b9\u30cb\u30f3\u30b0\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30af\u30e9\u30b9\u30bf\u30fc\u30c7\u30e2\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30d5\u30a1\u30a4\u30eb\uff08cluster_demo\/index.js\uff09\u3092\u65e5\u672c\u8a9e\u3067\u8a00\u3044\u63db\u3048\u308b<\/div>\n<pre class=\"post-pre\"><code><span class=\"token operator\">...<\/span>\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>\u5b8c\u5168\u306a\u30d5\u30a1\u30a4\u30eb\u306f\u4ee5\u4e0b\u306e\u6761\u4ef6\u3068\u4e00\u81f4\u3057\u307e\u3059\u3002<\/p>\n<div>\u30af\u30e9\u30b9\u30bf\u30fc\u30c7\u30e2\/index.js<\/div>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">import<\/span> express <span class=\"token keyword\">from<\/span> <span class=\"token string\">\"express\"<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">const<\/span> port <span class=\"token operator\">=<\/span> <span class=\"token number\">3000<\/span><span class=\"token punctuation\">;<\/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\r\nconsole<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\">worker pid=<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>process<span class=\"token punctuation\">.<\/span>pid<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\r\napp<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\/heavy\"<\/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  <span class=\"token keyword\">let<\/span> total <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\">5_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    total<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\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">The result of the CPU intensive task 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 string\">\\n<\/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\">${<\/span>port<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u30b3\u30fc\u30c9\u306e\u8ffd\u52a0\u304c\u7d42\u308f\u3063\u305f\u3089\u3001\u4fdd\u5b58\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u7d42\u4e86\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u5f8c\u3001\u30ce\u30fc\u30c9\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">node<\/span> index.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\u51fa\u529b\u7d50\u679c\u304c\u4ee5\u4e0b\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>worker pid=11023 App listening on port 3000<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u51fa\u529b\u306f\u3001\u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u30d7\u30ed\u30bb\u30b9ID\u3092\u793a\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u30dd\u30fc\u30c83000\u3067\u30ea\u30c3\u30b9\u30f3\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u3066\u3044\u308b\u304b\u3092\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306b\u3001\u5225\u306e\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u958b\u304d\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\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\">curl<\/span> http:\/\/localhost:3000\/heavy<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"post-conf-note\">\n<p class=\"post-conf-desc\">Note<\/p>\n<div>\u6ce8\u610f\uff1a\u3082\u3057\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc\u3067\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306b\u5f93\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5225\u306e\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u958b\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<br \/>\nssh -L 3000:localhost:3000 \u3042\u306a\u305f\u306e\u975e\u30eb\u30fc\u30c8\u30e6\u30fc\u30b6\u30fc@\u3042\u306a\u305f\u306e\u30b5\u30fc\u30d0\u30fc\u306eIP<\/div>\n<p>\u63a5\u7d9a\u3057\u305f\u3089\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30d7\u30ea\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<br \/>\ncurl http:\/\/localhost:3000\/heavy<\/p>\n<\/div>\n<p>\u51fa\u529b\u306f\u6b21\u306e\u3088\u3046\u306b\u4e00\u81f4\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>The result of the CPU intensive task is 5000000<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u51fa\u529b\u306f\u3001CPU\u8ca0\u8377\u306e\u9ad8\u3044\u8a08\u7b97\u304b\u3089\u306e\u7d50\u679c\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30dd\u30a4\u30f3\u30c8\u3067\u306f\u3001CTRL+C\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u505c\u6b62\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>index.js\u30d5\u30a1\u30a4\u30eb\u3092\u30ce\u30fc\u30c9\u30b3\u30de\u30f3\u30c9\u3067\u5b9f\u884c\u3059\u308b\u3068\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\uff08OS\uff09\u306f\u30d7\u30ed\u30bb\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u304c\u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u5bfe\u3057\u3066\u4f5c\u6210\u3059\u308b\u62bd\u8c61\u5316\u3067\u3059\u3002OS\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u305f\u3081\u306b\u30e1\u30e2\u30ea\u3092\u5272\u308a\u5f53\u3066\u3001\u3059\u3079\u3066\u306eOS\u30d7\u30ed\u30bb\u30b9\u3092\u542b\u3080\u30d7\u30ed\u30bb\u30b9\u30ea\u30b9\u30c8\u306b\u30a8\u30f3\u30c8\u30ea\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u305d\u306e\u30a8\u30f3\u30c8\u30ea\u306f\u30d7\u30ed\u30bb\u30b9ID\u3067\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30d0\u30a4\u30ca\u30ea\u306f\u3001\u305d\u308c\u304b\u3089\u30d7\u30ed\u30bb\u30b9\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u30e1\u30e2\u30ea\u306b\u914d\u7f6e\u3055\u308c\u3001\u8aad\u307f\u8fbc\u307e\u308c\u307e\u3059\u3002\u305d\u3053\u304b\u3089\u5b9f\u884c\u304c\u958b\u59cb\u3055\u308c\u307e\u3059\u3002\u5b9f\u884c\u4e2d\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u4ed6\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5bfe\u3059\u308b\u8a8d\u8b58\u306f\u3042\u308a\u307e\u305b\u3093\u3057\u3001\u30d7\u30ed\u30bb\u30b9\u5185\u3067\u8d77\u3053\u3063\u305f\u3053\u3068\u306f\u4ed6\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u305b\u3093\u3002<\/p>\n<p>Node.js\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u8907\u6570\u306eCPU\u3092\u6301\u3064\u30b5\u30fc\u30d0\u30fc\u3067\u5b9f\u884c\u3055\u308c\u308b\u305f\u3081\u3001\u30b7\u30f3\u30b0\u30eb\u30d7\u30ed\u30bb\u30b9\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u56f3\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u7740\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u3001\u30b7\u30f3\u30b0\u30ebCPU\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u306b\u5411\u3051\u3089\u308c\u3001\u4ed6\u306eCPU\u306f\u30a2\u30a4\u30c9\u30eb\u72b6\u614b\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/656440d8daa94e2bdf7ac187\/68-0.png\" alt=\"A diagram showing a process running on one CPU of a machine with four CPUs, handling all the incoming requests\" \/><\/div>\n<p>\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u305b\u305a\u306b\u30a2\u30d7\u30ea\u3092\u4f5c\u6210\u3057\u305f\u306e\u3067\u3001\u6b21\u306f\u8907\u6570\u306eCPU\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u62e1\u5f35\u3059\u308b\u305f\u3081\u306b\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d73 &#8211; \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0<\/h2>\n<p>\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8ffd\u52a0\u3057\u3066\u3001\u3088\u308a\u591a\u304f\u306e\u8ca0\u8377\u3092\u51e6\u7406\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u540c\u3058\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u8907\u6570\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30d7\u30ed\u30bb\u30b9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30de\u30b7\u30f3\u306e\u5404CPU\u3067\u8907\u6570\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/656440d8daa94e2bdf7ac187\/72-0.png\" alt=\"Screenshot of processes running on each CPU of a machine that has four CPUs sharing load\" \/><\/div>\n<p>\u3053\u306e\u56f3\u3067\u306f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u30d7\u30e9\u30a4\u30de\u30ea\u30d7\u30ed\u30bb\u30b9\u5185\u306e\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u3092\u901a\u3058\u3066\u6e21\u3055\u308c\u3001\u305d\u306e\u5f8c\u3001\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u5404\u30d7\u30ed\u30bb\u30b9\u306b\u5206\u6563\u3055\u308c\u308b\u3002<\/p>\n<p>\u4eca\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u30bf\u30fc\u30df\u30ca\u30eb\u3067\u3001primary.js\u30d5\u30a1\u30a4\u30eb\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\">nano<\/span> primary.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>\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092primary.js\u30d5\u30a1\u30a4\u30eb\u306b\u8ffd\u52a0\u3057\u3066\u3001\u4f9d\u5b58\u95a2\u4fc2\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30af\u30e9\u30b9\u30bf\u30c7\u30e2\/primary.js<\/div>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">import<\/span> cluster <span class=\"token keyword\">from<\/span> <span class=\"token string\">\"cluster\"<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">import<\/span> os <span class=\"token keyword\">from<\/span> <span class=\"token string\">\"os\"<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> dirname <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">\"path\"<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> fileURLToPath <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">\"url\"<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">const<\/span> __dirname <span class=\"token operator\">=<\/span> <span class=\"token function\">dirname<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">fileURLToPath<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">import<\/span><span class=\"token punctuation\">.<\/span>meta<span class=\"token punctuation\">.<\/span>url<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u6700\u521d\u306e2\u884c\u3067\u306f\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u3068os\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002\u6b21\u306e2\u884c\u3067\u306f\u3001dirname\u3068fileURLToPath\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3001__dirname\u5909\u6570\u306e\u5024\u3092index.js\u30d5\u30a1\u30a4\u30eb\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u7d76\u5bfe\u30d1\u30b9\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\u306f\u3001ES\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306b\u306f__dirname\u304c\u5b9a\u7fa9\u3055\u308c\u305a\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067CommonJS\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306e\u307f\u5b9a\u7fa9\u3055\u308c\u308b\u305f\u3081\u3001\u5fc5\u8981\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001index.js\u30d5\u30a1\u30a4\u30eb\u3092\u53c2\u7167\u3059\u308b\u305f\u3081\u306b\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30af\u30e9\u30b9\u30bf\u30fc\u30c7\u30e2\/primary.js<\/div>\n<pre class=\"post-pre\"><code><span class=\"token operator\">...<\/span>\r\n<span class=\"token keyword\">const<\/span> cpuCount <span class=\"token operator\">=<\/span> os<span class=\"token punctuation\">.<\/span><span class=\"token function\">cpus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">;<\/span>\r\n\r\nconsole<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\">The total number of CPUs is <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>cpuCount<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token string\">Primary pid=<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>process<span class=\"token punctuation\">.<\/span>pid<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\ncluster<span class=\"token punctuation\">.<\/span><span class=\"token function\">setupPrimary<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token literal-property property\">exec<\/span><span class=\"token operator\">:<\/span> __dirname <span class=\"token operator\">+<\/span> <span class=\"token string\">\"\/index.js\"<\/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>\u6700\u521d\u306b\u3001\u30de\u30b7\u30f3\u306eCPU\u6570\u306b\u57fa\u3065\u3044\u3066 cpuCount \u5909\u6570\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u6570\u5024\u306f4\u4ee5\u4e0a\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6b21\u306b\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u306bCPU\u6570\u3092\u30ed\u30b0\u51fa\u529b\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u3059\u3079\u3066\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u53d6\u308b\u30e1\u30a4\u30f3\u30d7\u30ed\u30bb\u30b9\u306e\u30d7\u30ed\u30bb\u30b9ID\u3092\u30ed\u30b0\u51fa\u529b\u3057\u3001\u305d\u308c\u3092\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u9593\u3067\u5206\u6563\u3055\u305b\u308b\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u5f8c\u3001cluster\u30e2\u30b8\u30e5\u30fc\u30eb\u306esetupPrimary()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066index.js\u30d5\u30a1\u30a4\u30eb\u3092\u53c2\u7167\u3057\u3001\u305d\u308c\u304c\u5404\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u3067\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001\u30d7\u30ed\u30bb\u30b9\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30af\u30e9\u30b9\u30bf\u30fc\u30c7\u30e2\u306e\/primary.js<\/div>\n<pre class=\"post-pre\"><code><span class=\"token operator\">...<\/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> cpuCount<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n  cluster<span class=\"token punctuation\">.<\/span><span class=\"token function\">fork<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\ncluster<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"exit\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">worker<span class=\"token punctuation\">,<\/span> code<span class=\"token punctuation\">,<\/span> signal<\/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\">worker <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>worker<span class=\"token punctuation\">.<\/span>process<span class=\"token punctuation\">.<\/span>pid<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\"> has been killed<\/span><span class=\"token template-punctuation string\">`<\/span><\/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 string\">\"Starting another worker\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  cluster<span class=\"token punctuation\">.<\/span><span class=\"token function\">fork<\/span><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<\/code><\/pre>\n<p>cpuCount\u306e\u5024\u306b\u5fdc\u3058\u3066\u30eb\u30fc\u30d7\u304c\u7e70\u308a\u8fd4\u3055\u308c\u3001\u5404\u7e70\u308a\u8fd4\u3057\u3067\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u306efork()\u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u306eon()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066exit\u30a4\u30d9\u30f3\u30c8\u3092\u30a2\u30bf\u30c3\u30c1\u3057\u3001\u30d7\u30ed\u30bb\u30b9\u304cexit\u30a4\u30d9\u30f3\u30c8\u3092\u767a\u751f\u3055\u305b\u305f\u3068\u304d\uff08\u901a\u5e38\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u3057\u305f\u3068\u304d\uff09\u306b\u30ea\u30c3\u30b9\u30f3\u3057\u307e\u3059\u3002exit\u30a4\u30d9\u30f3\u30c8\u304c\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u308b\u3068\u3001\u7d42\u4e86\u3057\u305f\u30ef\u30fc\u30ab\u30fc\u306e\u30d7\u30ed\u30bb\u30b9ID\u3092\u30ed\u30b0\u306b\u8868\u793a\u3057\u3001fork()\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u65b0\u3057\u3044\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u3092\u4f5c\u6210\u3057\u3066\u7d42\u4e86\u3057\u305f\u30d7\u30ed\u30bb\u30b9\u3092\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/p>\n<p>\u4eca\u5f8c\u3001\u3042\u306a\u305f\u306e\u5b8c\u5168\u306a\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u3068\u4e00\u81f4\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div>\u30af\u30e9\u30b9\u30bf\u30fc\u30c7\u30e2\/primary.js<\/div>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">import<\/span> cluster <span class=\"token keyword\">from<\/span> <span class=\"token string\">\"cluster\"<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">import<\/span> os <span class=\"token keyword\">from<\/span> <span class=\"token string\">\"os\"<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> dirname <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">\"path\"<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> fileURLToPath <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">\"url\"<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">const<\/span> __dirname <span class=\"token operator\">=<\/span> <span class=\"token function\">dirname<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">fileURLToPath<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">import<\/span><span class=\"token punctuation\">.<\/span>meta<span class=\"token punctuation\">.<\/span>url<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">const<\/span> cpuCount <span class=\"token operator\">=<\/span> os<span class=\"token punctuation\">.<\/span><span class=\"token function\">cpus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">;<\/span>\r\n\r\nconsole<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\">The total number of CPUs is <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>cpuCount<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\nconsole<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\">Primary pid=<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>process<span class=\"token punctuation\">.<\/span>pid<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\ncluster<span class=\"token punctuation\">.<\/span><span class=\"token function\">setupPrimary<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token literal-property property\">exec<\/span><span class=\"token operator\">:<\/span> __dirname <span class=\"token operator\">+<\/span> <span class=\"token string\">\"\/index.js\"<\/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\">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> cpuCount<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n  cluster<span class=\"token punctuation\">.<\/span><span class=\"token function\">fork<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\ncluster<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"exit\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">worker<span class=\"token punctuation\">,<\/span> code<span class=\"token punctuation\">,<\/span> signal<\/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\">worker <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>worker<span class=\"token punctuation\">.<\/span>process<span class=\"token punctuation\">.<\/span>pid<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\"> has been killed<\/span><span class=\"token template-punctuation string\">`<\/span><\/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 string\">\"Starting another worker\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  cluster<span class=\"token punctuation\">.<\/span><span class=\"token function\">fork<\/span><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<\/code><\/pre>\n<p>\u8ffd\u52a0\u3059\u308b\u884c\u3092\u7d42\u3048\u305f\u3089\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u7d42\u4e86\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u6b21\u306b\u3001\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=\"$\"><span class=\"token function\">node<\/span> primary.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4ee5\u4e0b\u306e\u51fa\u529b\u306f\u3001\u307b\u307c\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff08\u30d7\u30ed\u30bb\u30b9ID\u3084\u60c5\u5831\u306e\u9806\u5e8f\u306f\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>The total number of CPUs is 4 Primary pid=7341 worker pid=7353 worker pid=7354 worker pid=7360 App listening on port 3000 App listening on port 3000 App listening on port 3000 worker pid=7352 App listening on port 3000<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u51fa\u529b\u306f4\u3064\u306eCPU\u3068\u3001\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u3092\u542b\u30801\u3064\u306e\u4e3b\u30d7\u30ed\u30bb\u30b9\u3001\u304a\u3088\u3073\u30dd\u30fc\u30c83000\u3067\u30ea\u30c3\u30b9\u30f3\u3057\u3066\u3044\u308b4\u3064\u306e\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u30012\u756a\u76ee\u306e\u7aef\u672b\u306b\u623b\u308a\u3001\/heavy\u30eb\u30fc\u30c8\u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">curl<\/span> http:\/\/localhost:3000\/heavy<\/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>\u51fa\u529b\u304c\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\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>The result of the CPU intensive task is 5000000<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4eca\u3059\u3050\u30b5\u30fc\u30d0\u30fc\u3092\u505c\u6b62\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u73fe\u6642\u70b9\u3067\u306f\u3001\u3042\u306a\u305f\u306e\u30de\u30b7\u30f3\u306e\u3059\u3079\u3066\u306eCPU\u4e0a\u30674\u3064\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/656440d8daa94e2bdf7ac187\/104-0.png\" alt=\"Screenshot of processes running on each CPU of a machine that has four CPUs sharing load\" \/><\/div>\n<p>\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u30af\u30e9\u30b9\u30bf\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u30af\u30e9\u30b9\u30bf\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u306a\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6bd4\u8f03\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d74- \u30ed\u30fc\u30c9\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6bd4\u8f03\u3059\u308b<\/h2>\n<p>\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001loadtest\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066\u30012\u3064\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u5bfe\u3057\u3066\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308bprimary.js\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u3001\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u306a\u3044index.js\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u306a\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u3088\u308a\u3082\u9ad8\u901f\u3067\u3001\u7279\u5b9a\u306e\u6642\u9593\u5185\u306b\u3088\u308a\u591a\u304f\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3067\u304d\u308b\u3053\u3068\u306b\u6c17\u4ed8\u304f\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u6700\u521d\u306b\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u305b\u305a\u306b\u5358\u4e00\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u306e\u307f\u5b9f\u884c\u3059\u308bindex.js\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u6700\u521d\u306e\u30bf\u30fc\u30df\u30ca\u30eb\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u3092\u8d77\u52d5\u3059\u308b\u305f\u3081\u306b index.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=\"$\"><span class=\"token function\">node<\/span> index.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30a2\u30d7\u30ea\u304c\u52d5\u4f5c\u3057\u3066\u3044\u308b\u51fa\u529b\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>worker pid=7731 App listening on port 3000<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6b21\u306b\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u3001\u30ed\u30fc\u30c9\u30c6\u30b9\u30c8\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u30012\u756a\u76ee\u306e\u7aef\u672b\u306b\u623b\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">loadtest <span class=\"token parameter variable\">-n<\/span> <span class=\"token number\">1200<\/span> <span class=\"token parameter variable\">-c<\/span> <span class=\"token number\">200<\/span> <span class=\"token parameter variable\">-k<\/span> http:\/\/localhost:3000\/heavy<\/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>-n\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u9001\u4fe1\u3059\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6570\u3092\u53d7\u3051\u5165\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u306f1200\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002-c\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u540c\u6642\u306b\u9001\u4fe1\u3059\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6570\u3092\u53d7\u3051\u5165\u308c\u307e\u3059\u3002<\/p>\n<p>\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u9001\u4fe1\u3055\u308c\u308b\u3068\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u51fa\u529b\u3092\u8fd4\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>Requests: 0 (0%), requests per second: 0, mean latency: 0 ms Requests: 430 (36%), requests per second: 87, mean latency: 1815.1 ms Requests: 879 (73%), requests per second: 90, mean latency: 2230.5 ms Target URL: http:\/\/localhost:3000\/heavy Max requests: 1200 Concurrency level: 200 Agent: keepalive Completed requests: 1200 Total errors: 0 Total time: <mark>13.712728601 s<\/mark> Requests per second: <mark>88<\/mark> Mean latency: <mark>2085.1 ms<\/mark> Percentage of the requests served within a certain time 50% 2234 ms 90% 2340 ms 95% 2385 ms 99% 2406 ms 100% 2413 ms (longest request)<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4ee5\u4e0b\u306e\u6307\u6a19\u306b\u6ce8\u76ee\u3057\u3066\u3001\u3053\u306e\u51fa\u529b\u304b\u3089\u628a\u63e1\u3057\u3066\u304f\u3060\u3055\u3044\u3002 (I need to take note of the following metrics from this output.)<\/p>\n<ul class=\"post-ul\">\n<li>Total time measures how long it took for all the requests to be served. In this output, it took just over 13 seconds to serve all 1200 requests.<\/li>\n<li>Requests per second measures the number of requests the server can handle per second. In this output, the server handles 88 requests per second.<\/li>\n<li>Mean latency measures the time it took to send a request and get a response, which is 2085.1 ms in the sample output.<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u30e1\u30c8\u30ea\u30c3\u30af\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u901f\u5ea6\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u4ee5\u4e0b\u306e\u4f8b\u306b\u8fd1\u3044\u5024\u3068\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>index.js\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8a08\u6e2c\u3057\u305f\u306e\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u3092\u505c\u6b62\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3044\u308bprimary.js\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3092\u3059\u308b\u306b\u306f\u3001\u6700\u521d\u306e\u7aef\u672b\u306b\u623b\u3063\u3066primary.js\u30d5\u30a1\u30a4\u30eb\u3092\u518d\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">node<\/span> primary.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4ee5\u524d\u3068\u540c\u3058\u60c5\u5831\u306e\u8fd4\u4fe1\u3092\u304a\u9001\u308a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>The total number of CPUs is 4 Primary pid=7841 worker pid=7852 App listening on port 3000 worker pid=7854 App listening on port 3000 worker pid=7853 worker pid=7860 App listening on port 3000 App listening on port 3000<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u7b2c2\u306e\u30bf\u30fc\u30df\u30ca\u30eb\u3067\u3001loadtest\u30b3\u30de\u30f3\u30c9\u3092\u3082\u3046\u4e00\u5ea6\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">loadtest <span class=\"token parameter variable\">-n<\/span> <span class=\"token number\">1200<\/span> <span class=\"token parameter variable\">-c<\/span> <span class=\"token number\">200<\/span> <span class=\"token parameter variable\">-k<\/span> http:\/\/localhost:3000\/heavy<\/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>\u7d42\u4e86\u3059\u308b\u3068\u3001\u540c\u69d8\u306e\u51fa\u529b\u304c\u5c4a\u304d\u307e\u3059\uff08\u305f\u3060\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u306eCPU\u6570\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u5834\u5408\u304c\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>Requests: 0 (0%), requests per second: 0, mean latency: 0 ms Target URL: http:\/\/localhost:3000\/heavy Max requests: 1200 Concurrency level: 200 Agent: keepalive Completed requests: 1200 Total errors: 0 Total time: <mark>3.412741962 s<\/mark> Requests per second: <mark>352<\/mark> Mean latency: <mark>514.2 ms<\/mark> Percentage of the requests served within a certain time 50% 194 ms 90% 2521 ms 95% 2699 ms 99% 2710 ms 100% 2759 ms (longest request)<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u300c\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u30d7\u30e9\u30a4\u30de\u30ea.js\u30a2\u30d7\u30ea\u306e\u51fa\u529b\u306b\u3088\u308b\u3068\u3001\u51e6\u7406\u6642\u9593\u306f\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u306a\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u308913\u79d2\u304b\u30893\u79d2\u307e\u3067\u77ed\u7e2e\u3055\u308c\u307e\u3057\u305f\u3002\u30b5\u30fc\u30d0\u30fc\u304c1\u79d2\u9593\u306b\u51e6\u7406\u3067\u304d\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6570\u3082\u3001\u4ee5\u524d\u306e88\u304b\u3089352\u306b3\u500d\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u5927\u91cf\u306e\u8ca0\u8377\u3092\u51e6\u7406\u3067\u304d\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3082\u3046\u4e00\u3064\u91cd\u8981\u306a\u30e1\u30c8\u30ea\u30c3\u30af\u306f\u5e73\u5747\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3067\u3001\u305d\u308c\u306f2085.1ms\u304b\u3089514.2ms\u306b\u5927\u5e45\u306b\u6e1b\u5c11\u3057\u307e\u3057\u305f\u3002\u300d<\/p>\n<p>\u3053\u306e\u8fd4\u4fe1\u306b\u3088\u308c\u3070\u3001\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u304c\u3046\u307e\u304f\u3044\u3063\u3066\u304a\u308a\u3001\u5fdc\u7528\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u9045\u5ef6\u306a\u3057\u3067\u3088\u308a\u77ed\u6642\u9593\u3067\u3088\u308a\u591a\u304f\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3067\u304d\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002\u3082\u3057\u30de\u30b7\u30f3\u3092CPU\u306e\u6570\u3092\u5897\u3084\u3059\u3088\u3046\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308c\u3070\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u81ea\u52d5\u7684\u306bCPU\u306e\u6570\u306b\u5408\u308f\u305b\u3066\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3057\u3001\u3055\u3089\u306a\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3042\u306a\u305f\u306e\u30bf\u30fc\u30df\u30ca\u30eb\u51fa\u529b\u306e\u30e1\u30c8\u30ea\u30af\u30b9\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u901f\u5ea6\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3053\u3068\u3092\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002\u5408\u8a08\u6642\u9593\u3068\u5e73\u5747\u30ec\u30a4\u30c6\u30f3\u30b7\u306f\u5927\u5e45\u306b\u4f4e\u4e0b\u3057\u3001\u5408\u8a08\u6642\u9593\u306f\u6025\u901f\u306b\u5897\u52a0\u3057\u307e\u3059\u3002<\/p>\n<p>\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u306e\u6bd4\u8f03\u3092\u884c\u3044\u3001\u30a2\u30d7\u30ea\u304c\u3088\u308a\u826f\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u793a\u3059\u3053\u3068\u304c\u308f\u304b\u3063\u305f\u306e\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u3092\u505c\u6b62\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306b\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4ee3\u308f\u308a\u306bpm2\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d75- \u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u306e\u305f\u3081\u306bpm2\u3092\u4f7f\u7528\u3059\u308b<\/h2>\n<p>\u3053\u308c\u307e\u3067\u306b\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30de\u30b7\u30f3\u306eCPU\u306e\u6570\u306b\u5fdc\u3058\u3066\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u3092\u4f5c\u6210\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u3057\u305f\u969b\u306b\u81ea\u52d5\u7684\u306b\u518d\u8d77\u52d5\u3059\u308b\u6a5f\u80fd\u3082\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u57fa\u306b\u3057\u305fpm2\u30d7\u30ed\u30bb\u30b9\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a2\u30d7\u30ea\u306e\u81ea\u52d5\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u306e\u4ee3\u66ff\u624b\u6bb5\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u306b\u306f\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u30de\u30b7\u30f3\u306eCPU\u3068\u540c\u3058\u6570\u3060\u3051\u306e\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u3092\u81ea\u52d5\u7684\u306b\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u76e3\u8996\u3082\u884c\u3048\u3001\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u3057\u305f\u5834\u5408\u306b\u306f\u81ea\u52d5\u7684\u306b\u65b0\u3057\u3044\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4f7f\u3046\u305f\u3081\u306b\u306f\u3001\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u4e2d\u3067\u306eindex.js\u30d5\u30a1\u30a4\u30eb\u3092\u30b9\u30b1\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30d5\u30a1\u30a4\u30eb\u3068\u4e00\u7dd2\u306b\u3001pm2\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6700\u521d\u306e\u30bf\u30fc\u30df\u30ca\u30eb\u3067\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066pm2\u30af\u30e9\u30b9\u30bf\u3092\u958b\u59cb\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">pm2 start index.js <span class=\"token parameter variable\">-i<\/span> <span class=\"token number\">0<\/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>-i\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001pm2\u304c\u4f5c\u6210\u3059\u308b\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u306e\u6570\u3092\u6307\u5b9a\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u5f15\u6570\u306b0\u3092\u6e21\u3059\u3068\u3001pm2\u306f\u81ea\u52d5\u7684\u306b\u30de\u30b7\u30f3\u306eCPU\u306e\u6570\u3068\u540c\u3058\u6570\u306e\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<p>pm2\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u306b\u95a2\u3059\u308b\u8a73\u7d30\u304cpm2\u306b\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>&#8230; [PM2] Spawning PM2 daemon with pm2_home=\/home\/<mark>sammy<\/mark>\/.pm2 [PM2] PM2 Successfully daemonized [PM2] Starting \/home\/<mark>sammy<\/mark>\/cluster_demo\/index.js in cluster_mode (0 instance) [PM2] Done. \u250c\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u2502 id \u2502 name \u2502 namespace \u2502 version \u2502 mode \u2502 pid \u2502 uptime \u2502 \u21ba \u2502 status \u2502 cpu \u2502 mem \u2502 user \u2502 watching \u2502 \u251c\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524 \u2502 0 \u2502 index \u2502 default \u2502 1.0.0 \u2502 cluster \u2502 7932 \u2502 0s \u2502 0 \u2502 online \u2502 0% \u2502 54.5mb \u2502 nod\u2026 \u2502 disabled \u2502 \u2502 1 \u2502 index \u2502 default \u2502 1.0.0 \u2502 cluster \u2502 7939 \u2502 0s \u2502 0 \u2502 online \u2502 0% \u2502 50.9mb \u2502 nod\u2026 \u2502 disabled \u2502 \u2502 2 \u2502 index \u2502 default \u2502 1.0.0 \u2502 cluster \u2502 7946 \u2502 0s \u2502 0 \u2502 online \u2502 0% \u2502 51.3mb \u2502 nod\u2026 \u2502 disabled \u2502 \u2502 3 \u2502 index \u2502 default \u2502 1.0.0 \u2502 cluster \u2502 7953 \u2502 0s \u2502 0 \u2502 online \u2502 0% \u2502 47.4mb \u2502 nod\u2026 \u2502 disabled \u2502 \u2514\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u5404\u5f93\u696d\u54e1\u306e\u30d7\u30ed\u30bb\u30b9ID\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u3001CPU\u306e\u5229\u7528\u7387\u3001\u30e1\u30e2\u30ea\u306e\u6d88\u8cbb\u91cf\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u632f\u308b\u821e\u3044\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>pm2\u3067\u30af\u30e9\u30b9\u30bf\u3092\u8d77\u52d5\u3059\u308b\u3068\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u5b9f\u884c\u3055\u308c\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u518d\u8d77\u52d5\u3057\u3066\u3082\u81ea\u52d5\u7684\u306b\u518d\u958b\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u52b4\u50cd\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u30ed\u30b0\u3092\u8aad\u307f\u305f\u3044\u5834\u5408\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">pm2 logs<\/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>\u30ed\u30b0\u306e\u51fa\u529b\u304c\u53d7\u3051\u53d6\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>[TAILING] Tailing last 15 lines for [all] processes (change the value with &#8211;lines option) \/home\/<mark>sammy<\/mark>\/.pm2\/pm2.log last 15 lines: &#8230; PM2 | 2022-12-25T17:48:37: PM2 log: App [index:3] starting in -cluster mode- PM2 | 2022-12-25T17:48:37: PM2 log: App [index:3] online \/home\/<mark>sammy<\/mark>\/.pm2\/logs\/index-error.log last 15 lines: \/home\/<mark>sammy<\/mark>\/.pm2\/logs\/index-out.log last 15 lines: 0|index | worker pid=7932 0|index | App listening on port 3000 0|index | worker pid=7953 0|index | App listening on port 3000 0|index | worker pid=7946 0|index | worker pid=7939 0|index | App listening on port 3000 0|index | App listening on port 3000<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u76f4\u8fd1\u306e8\u884c\u3067\u306f\u3001\u30ed\u30b0\u304c4\u3064\u306e\u5b9f\u884c\u4e2d\u306e\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u3054\u3068\u306e\u51fa\u529b\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u30d7\u30ed\u30bb\u30b9ID\u3068\u30dd\u30fc\u30c8\u756a\u53f73000\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u51fa\u529b\u306b\u3088\u3063\u3066\u3001\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u72b6\u614b\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">pm2 <span class=\"token function\">ls<\/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>\u51fa\u529b\u306f\u4ee5\u4e0b\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u4e00\u81f4\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>\u250c\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u2502 id \u2502 name \u2502 namespace \u2502 version \u2502 mode \u2502 pid \u2502 uptime \u2502 \u21ba \u2502 status \u2502 cpu \u2502 mem \u2502 user \u2502 watching \u2502 \u251c\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524 \u2502 0 \u2502 index \u2502 default \u2502 1.0.0 \u2502 cluster \u2502 7932 \u2502 5m \u2502 0 \u2502 online \u2502 0% \u2502 56.6mb \u2502 nod\u2026 \u2502 disabled \u2502 \u2502 1 \u2502 index \u2502 default \u2502 1.0.0 \u2502 cluster \u2502 7939 \u2502 5m \u2502 0 \u2502 online \u2502 0% \u2502 55.7mb \u2502 nod\u2026 \u2502 disabled \u2502 \u2502 2 \u2502 index \u2502 default \u2502 1.0.0 \u2502 cluster \u2502 7946 \u2502 5m \u2502 0 \u2502 online \u2502 0% \u2502 56.5mb \u2502 nod\u2026 \u2502 disabled \u2502 \u2502 3 \u2502 index \u2502 default \u2502 1.0.0 \u2502 cluster \u2502 7953 \u2502 5m \u2502 0 \u2502 online \u2502 0% \u2502 55.9mb \u2502 nod\u2026 \u2502 disabled \u2502 \u2514\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30af\u30e9\u30b9\u30bf\u304c\u7a3c\u50cd\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306b\u540c\u3058\u7aef\u672b\u3067\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">loadtest <span class=\"token parameter variable\">-n<\/span> <span class=\"token number\">1200<\/span> <span class=\"token parameter variable\">-c<\/span> <span class=\"token number\">200<\/span> <span class=\"token parameter variable\">-k<\/span> http:\/\/localhost:3000\/heavy<\/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>\u51fa\u529b\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u975e\u5e38\u306b\u8fd1\u304f\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>Requests: 0 (0%), requests per second: 0, mean latency: 0 ms Target URL: http:\/\/localhost:3000\/heavy Max requests: 1200 Concurrency level: 200 Agent: keepalive Completed requests: 1200 Total errors: 0 Total time: <mark>3.771868785 s<\/mark> Requests per second: <mark>318<\/mark> Mean latency: <mark>574.4 ms<\/mark> Percentage of the requests served within a certain time 50% 216 ms 90% 2859 ms 95% 3016 ms 99% 3028 ms 100% 3084 ms (longest request)<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u7dcf\u6642\u9593\u3001\u79d2\u9593\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3001\u304a\u3088\u3073\u5e73\u5747\u5f85\u3061\u6642\u9593\u306f\u3001\u30af\u30e9\u30b9\u30bf\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u3068\u307b\u307c\u540c\u69d8\u306e\u30e1\u30c8\u30ea\u30c3\u30af\u304c\u751f\u6210\u3055\u308c\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u914d\u7f6e\u306f\u3001pm2\u306e\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u304c\u540c\u69d8\u306b\u6a5f\u80fd\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>pm2\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8a2d\u5b9a\u60c5\u5831\u3092\u6e21\u3059\u305f\u3081\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u624b\u6cd5\u3092\u4f7f\u3048\u3070\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u6307\u5b9a\u306a\u3057\u306b\u30af\u30e9\u30b9\u30bf\u3092\u958b\u59cb\u307e\u305f\u306f\u518d\u8d77\u52d5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u73fe\u5728\u306e\u30af\u30e9\u30b9\u30bf\u3092\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">pm2 delete index.js<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6d88\u3048\u305f\u3053\u3068\u306b\u5bfe\u3059\u308b\u8fd4\u7b54\u3092\u304a\u53d7\u3051\u53d6\u308a\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>[PM2] Applying action deleteProcessId on app [index.js](ids: [ 0, 1, 2, 3 ]) [PM2] [index](2) \u2713 [PM2] [index](1) \u2713 [PM2] [index](0) \u2713 [PM2] [index](3) \u2713 \u250c\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u2502 id \u2502 name \u2502 mode \u2502 \u21ba \u2502 status \u2502 cpu \u2502 memory \u2502 \u2514\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6b21\u306b\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u751f\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002 (Tsugi ni, settei fairu o seisei shite kudasai.)<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">pm2 ecosystem<\/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>\u51fa\u529b\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u304c\u751f\u6210\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\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>File \/home\/<mark>sammy<\/mark>\/cluster_demo\/ecosystem.config.js generated<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>ES\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306b\u3001.js \u3092 .cjs \u306b\u30ea\u30cd\u30fc\u30e0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">mv<\/span> ecosystem.config.js ecosystem.config.cjs<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30a8\u30c7\u30a3\u30bf\u3092\u4f7f\u3063\u3066\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">nano<\/span> ecosystem.config.cjs<\/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>\u300cecosystem.config.cjs\u300d\u30d5\u30a1\u30a4\u30eb\u306b\u3001\u4ee5\u4e0b\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u90e8\u5206\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u30af\u30e9\u30b9\u30bf\u30fc\u30c7\u30e2\/\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0.config.cjs<\/div>\n<pre class=\"post-pre\"><code>module.exports = {\r\n  apps : [{\r\n    script: 'index.js',\r\n    watch: '.'<mark>,<\/mark>\r\n    <mark>name: \"cluster_app\",<\/mark>\r\n    <mark>instances: 0,<\/mark>\r\n    <mark>exec_mode: \"cluster\",<\/mark>\r\n  }, {\r\n    script: '.\/service-worker\/',\r\n    watch: ['.\/service-worker']\r\n  }],\r\n\r\n  deploy : {\r\n    production : {\r\n      user : 'SSH_USERNAME',\r\n      host : 'SSH_HOSTMACHINE',\r\n      ref  : 'origin\/master',\r\n      repo : 'GIT_REPOSITORY',\r\n      path : 'DESTINATION_PATH',\r\n      'pre-deploy-local': '',\r\n      'post-deploy' : 'npm install &amp;&amp; pm2 reload ecosystem.config.<mark>cjs<\/mark> --env production',\r\n      'pre-setup': ''\r\n    }\r\n  }\r\n};\r\n<\/code><\/pre>\n<p>\u30b9\u30af\u30ea\u30d7\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001pm2\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u751f\u6210\u3059\u308b\u5404\u30d7\u30ed\u30bb\u30b9\u3067\u5b9f\u884c\u3055\u308c\u308b\u30d5\u30a1\u30a4\u30eb\u3092\u53d7\u3051\u5165\u308c\u307e\u3059\u3002name\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u3092\u8b58\u5225\u3067\u304d\u308b\u4efb\u610f\u306e\u540d\u524d\u3092\u53d7\u3051\u5165\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u3001\u505c\u6b62\u3001\u518d\u8d77\u52d5\u3001\u305d\u306e\u4ed6\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u306a\u5834\u5408\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002instances\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u5e0c\u671b\u3059\u308b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u6570\u3092\u53d7\u3051\u5165\u308c\u307e\u3059\u3002instances\u30920\u306b\u8a2d\u5b9a\u3059\u308b\u3068\u3001pm2\u306fCPU\u306e\u6570\u3068\u540c\u3058\u6570\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u751f\u6210\u3057\u307e\u3059\u3002exec_mode\u306f\u30af\u30e9\u30b9\u30bf\u30fc\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u53d7\u3051\u5165\u308c\u3001pm2\u304c\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30fc\u30c9\u3067\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u306b\u6307\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u4f5c\u696d\u304c\u7d42\u308f\u308a\u307e\u3057\u305f\u3089\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u9589\u3058\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30af\u30e9\u30b9\u30bf\u3092\u958b\u59cb\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\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=\"$\">pm2 start ecosystem.config.cjs<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4ee5\u4e0b\u306e\u5fdc\u7b54\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>[PM2][WARN] Applications cluster_app, service-worker not running, starting&#8230; [PM2][ERROR] Error: Script not found: \/home\/node-user\/cluster_demo\/service-worker [PM2] App [cluster_app] launched (4 instances)<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6700\u5f8c\u306e\u884c\u306f\u30014\u3064\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u30b5\u30fc\u30d3\u30b9\u30ef\u30fc\u30ab\u30fc\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f5c\u6210\u3057\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u30b5\u30fc\u30d3\u30b9\u30ef\u30fc\u30ab\u30fc\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u3068\u3044\u3046\u30a8\u30e9\u30fc\u306f\u7121\u8996\u3057\u3066\u3082\u69cb\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u30af\u30e9\u30b9\u30bf\u304c\u7a3c\u50cd\u3057\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001\u72b6\u614b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">pm2 <span class=\"token function\">ls<\/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>4\u3064\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fdc\u7b54\u3092\u53d7\u3051\u53d6\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>\u250c\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u2502 id \u2502 name \u2502 mode \u2502 \u21ba \u2502 status \u2502 cpu \u2502 memory \u2502 \u251c\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524 \u2502 0 \u2502 <mark>cluster_app<\/mark> \u2502 cluster \u2502 0 \u2502 online \u2502 0% \u2502 56.9mb \u2502 \u2502 1 \u2502 <mark>cluster_app<\/mark> \u2502 cluster \u2502 0 \u2502 online \u2502 0% \u2502 57.6mb \u2502 \u2502 2 \u2502 <mark>cluster_app<\/mark> \u2502 cluster \u2502 0 \u2502 online \u2502 0% \u2502 55.9mb \u2502 \u2502 3 \u2502 <mark>cluster_app<\/mark> \u2502 cluster \u2502 0 \u2502 online \u2502 0% \u2502 55.9mb \u2502 \u2514\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30af\u30e9\u30b9\u30bf\u30fc\u3092\u518d\u8d77\u52d5\u3057\u305f\u3044\u5834\u5408\u306f\u3001ecosystem.config.cjs\u30d5\u30a1\u30a4\u30eb\u3067\u5b9a\u7fa9\u3057\u305f\u30a2\u30d7\u30ea\u540d\u300ccluster_app\u300d\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">pm2 restart <mark>cluster_app<\/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>\u30af\u30e9\u30b9\u30bf\u30fc\u304c\u518d\u8d77\u52d5\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>Use &#8211;update-env to update environment variables [PM2] Applying action restartProcessId on app [cluster_app](ids: [ 0, 1, 2, 3 ]) [PM2] [cluster_app](0) \u2713 [PM2] [cluster_app](1) \u2713 [PM2] [cluster_app](2) \u2713 [PM2] [cluster_app](3) \u2713 \u250c\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u2502 id \u2502 name \u2502 mode \u2502 \u21ba \u2502 status \u2502 cpu \u2502 memory \u2502 \u251c\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524 \u2502 0 \u2502 cluster_app \u2502 cluster \u2502 1 \u2502 online \u2502 0% \u2502 48.0mb \u2502 \u2502 1 \u2502 cluster_app \u2502 cluster \u2502 1 \u2502 online \u2502 0% \u2502 47.9mb \u2502 \u2502 2 \u2502 cluster_app \u2502 cluster \u2502 1 \u2502 online \u2502 0% \u2502 38.8mb \u2502 \u2502 3 \u2502 cluster_app \u2502 cluster \u2502 1 \u2502 online \u2502 0% \u2502 31.5mb \u2502 \u2514\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30af\u30e9\u30b9\u30bf\u30fc\u306e\u7ba1\u7406\u3092\u7d9a\u3051\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div>\n<div class=\"post-table\">\n<table>\n<thead>\n<tr>\n<th>Command<\/th>\n<th>Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>pm2 start <mark>app_name<\/mark><\/code><\/td>\n<td>Starts the cluster<\/td>\n<\/tr>\n<tr>\n<td><code>pm2 restart <mark>app_name<\/mark> <\/code><\/td>\n<td>Kills the cluster and starts it again<\/td>\n<\/tr>\n<tr>\n<td><code>pm2 reload <mark>app_name<\/mark><\/code><\/td>\n<td>Restarts the cluster without downtime<\/td>\n<\/tr>\n<tr>\n<td><code>pm2 stop <mark>app_name<\/mark><\/code><\/td>\n<td>Stops the cluster<\/td>\n<\/tr>\n<tr>\n<td><code>pm2 delete <mark>app_name<\/mark><\/code><\/td>\n<td>Deletes the cluster<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>pm2\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3057\u307e\u3057\u305f\u3002\u6700\u521d\u306b\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u306a\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002\u6b21\u306b\u3001\u30de\u30b7\u30f3\u4e0a\u306e\u8907\u6570\u306eCPU\u306b\u30a2\u30d7\u30ea\u3092\u30b9\u30b1\u30fc\u30eb\u3059\u308b\u305f\u3081\u306b\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u5f8c\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u30a2\u30d7\u30ea\u3068\u4f7f\u7528\u3057\u306a\u3044\u30a2\u30d7\u30ea\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6bd4\u8f03\u3057\u307e\u3057\u305f\u3002\u6700\u5f8c\u306b\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4ee3\u308f\u308a\u306bpm2\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30d7\u30ea\u3092\u8907\u6570\u306eCPU\u306b\u30b9\u30b1\u30fc\u30eb\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3055\u3089\u306b\u9032\u3080\u305f\u3081\u306b\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u5b66\u3076\u305f\u3081\u306b\u30af\u30e9\u30b9\u30bf\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30da\u30fc\u30b8\u3092\u8a2a\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057\u3082\u3042\u306a\u305f\u304cpm2\u3092\u4f7f\u3044\u7d9a\u3051\u305f\u3044\u306e\u3067\u3042\u308c\u3070\u3001PM2-\u30d7\u30ed\u30bb\u30b9\u7ba1\u7406\u30c9\u30ad\u30e5\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u53c2\u7167\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001Ubuntu 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of Women Engineers\u300d\u3092\u9078\u3073\u307e\u3057\u305f\u3002 \u306f\u3058\u3081\u306b \u8907\u6570\u306eCPU\u3092\u5099\u3048\u305f\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067Node.js\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u5358\u4e00\u306eC [&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-503","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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