{"id":1069,"date":"2023-03-12T10:26:04","date_gmt":"2023-03-12T02:26:04","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=1069"},"modified":"2023-04-29T11:45:56","modified_gmt":"2023-04-29T03:45:56","slug":"pm2-introduction","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/03\/12\/pm2-introduction\/","title":{"rendered":"PM2\u5165\u95e8"},"content":{"rendered":"<h3>PM2\u4f7f\u7528\u80cc\u666f<\/h3>\n<p>\u5bf9\u4e8e\u7ebf\u4e0a\u9879\u76ee\uff0c\u5982\u679c\u76f4\u63a5\u901a\u8fc7 node app \u6765\u542f\u52a8\uff0c\u5982\u679c\u62a5\u9519\u4e86\u53ef\u80fd\u76f4\u63a5\u505c\u6b62\u5bfc\u81f4\u6574\u4e2a\u670d\u52a1\u5d29\u6e83\uff0c\u4e00\u822c\u76d1\u63a7 node \u6709\u51e0\u79cd\u65b9\u6848\u3002<\/p>\n<p><!-- more --><\/p>\n<ul>\n<li><code>supervisor<\/code>: \u4e00\u822c\u7528\u4f5c\u5f00\u53d1\u73af\u5883\u7684\u4f7f\u7528\u3002<\/li>\n<li><code>forever<\/code>: \u7ba1\u7406\u591a\u4e2a\u7ad9\u70b9\uff0c\u4e00\u822c\u6bcf\u4e2a\u7ad9\u70b9\u7684\u8bbf\u95ee\u91cf\u4e0d\u5927\u7684\u60c5\u51b5\uff0c\u4e0d\u9700\u8981\u76d1\u63a7\u3002<\/li>\n<li><code>PM2<\/code>: \u7f51\u7ad9\u7684\u8bbf\u95ee\u91cf\u6bd4\u8f83\u5927\uff0c\u9700\u8981\u5b8c\u6574\u7684\u76d1\u63a7\u9875\u9762\u3002<\/li>\n<\/ul>\n<blockquote>\n<p>\u516c\u53f8\u539f\u6765\u7684\u9879\u76ee\u91c7\u7528\u7684\u662f forever \u7684\u5f62\u5f0f\uff0c\u4e0d\u8fc7\u5982\u679c node \u51fa\u73b0\u95ee\u9898\u7684\u65f6\u5019\uff0c\u6ca1\u6709\u529e\u6cd5\u83b7\u53d6\u5230\u6709\u6548\u7684\u76d1\u63a7\u6570\u636e\u8fdb\u884c\u9519\u8bef\u6392\u67e5\uff0c\u56e0\u6b64\u65b0\u5f00\u53d1\u7684\u7cfb\u7edf\u51c6\u5907\u91c7\u7528 pm2 \u7684\u5f62\u5f0f\u8fdb\u884c\u524d\u7aef\u4ee5\u53ca node \u5c42\u7684\u76d1\u63a7\u3002<\/p>\n<\/blockquote>\n<h3>PM2\u4e3b\u8981\u7279\u6027<\/h3>\n<ul>\n<li>\u5185\u5efa\u8d1f\u8f7d\u5747\u8861\uff08\u4f7f\u7528 Node cluster \u96c6\u7fa4\u6a21\u5757\uff09<\/li>\n<li>\u540e\u53f0\u8fd0\u884c<\/li>\n<li>0 \u79d2\u505c\u673a\u91cd\u8f7d\uff0c\u6211\u7406\u89e3\u5927\u6982\u610f\u601d\u662f\u7ef4\u62a4\u5347\u7ea7\u7684\u65f6\u5019\u4e0d\u9700\u8981\u505c\u673a.<\/li>\n<li>\u5177\u6709 Ubuntu \u548c CentOS \u7684\u542f\u52a8\u811a\u672c<\/li>\n<li>\u505c\u6b62\u4e0d\u7a33\u5b9a\u7684\u8fdb\u7a0b\uff08\u907f\u514d\u65e0\u9650\u5faa\u73af\uff09<\/li>\n<li>\u63a7\u5236\u53f0\u68c0\u6d4b<\/li>\n<li>\u63d0\u4f9b HTTP API<\/li>\n<li>\u8fdc\u7a0b\u63a7\u5236\u548c\u5b9e\u65f6\u7684\u63a5\u53e3 API ( Nodejs \u6a21\u5757,\u5141\u8bb8\u548c PM2 \u8fdb\u7a0b\u7ba1\u7406\u5668\u4ea4\u4e92 )<\/li>\n<\/ul>\n<h3>\u5b89\u88c5<\/h3>\n<pre><code>\/\/ \u5168\u5c40\u5b89\u88c5pm2\uff0c\u4f9d\u8d56node\u548cnpm\n$ npm install -g pm2<\/code><\/pre>\n<h3>\u7528\u6cd5<\/h3>\n<p>\uff081\uff09\u57fa\u672c\u542f\u52a8\u547d\u4ee4\uff1a<code>pm2 start<\/code><\/p>\n<pre><code>\/\/ start\u547d\u4ee4\u542f\u52a8\u5bf9\u5e94\u7684node server\u6587\u4ef6\n$ pm2 start .\/build\/server.js<\/code><\/pre>\n<p>npm\u811a\u672c\uff1a<\/p>\n<pre><code>$ npm run pm2<\/code><\/pre>\n<p>\uff082\uff09\u67e5\u770b\u8be6\u7ec6\u72b6\u6001\u4fe1\u606f\uff1a<code>pm2 show (appname|id)<\/code><\/p>\n<pre><code>$ pm2 show appblog-cn<\/code><\/pre>\n<p>\uff083\uff09\u67e5\u770b\u6240\u6709\u542f\u52a8\u7684\u8fdb\u7a0b\u5217\u8868\uff1a<code>pm2 list<\/code><\/p>\n<pre><code>$ pm2 list\n\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\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\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\u252c\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\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502 App name   \u2502 id \u2502 version \u2502 mode    \u2502 pid   \u2502 status  \u2502 restart \u2502 uptime \u2502 cpu \u2502 mem       \u2502 user  \u2502 watching \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\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\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\u253c\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\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502 appblog-cn \u2502 0  \u2502 1.0.0   \u2502 cluster \u2502 25288 \u2502 online  \u2502 7       \u2502 0      \u2502 0%  \u2502 0 B       \u2502 nginx \u2502 disabled \u2502\n\u2502 appblog-cn \u2502 1  \u2502 1.0.0   \u2502 cluster \u2502 25299 \u2502 online  \u2502 7       \u2502 48s    \u2502 0%  \u2502 54.5 MB   \u2502 nginx \u2502 disabled \u2502\n\u2502 appblog-cn \u2502 2  \u2502 1.0.0   \u2502 cluster \u2502 25317 \u2502 online  \u2502 7       \u2502 48s    \u2502 0%  \u2502 55.3 MB   \u2502 nginx \u2502 disabled \u2502\n\u2502 appblog-cn \u2502 3  \u2502 1.0.0   \u2502 cluster \u2502 0     \u2502 stopped \u2502 7       \u2502 48s    \u2502 0%  \u2502 54.7 MB   \u2502 nginx \u2502 disabled \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\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\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\u2534\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\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/code><\/pre>\n<p>\uff084\uff09\u76d1\u63a7\u6bcf\u4e2a node \u8fdb\u7a0b\u7684 cpu \u548c\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff1a<code>pm2 monit<\/code><\/p>\n<pre><code>$ pm2 monit<\/code><\/pre>\n<p>\u53ef\u4ee5\u4f7f\u7528 pm2 monit \u529f\u80fd\u76d1\u63a7\u6240\u6709 node \u8fdb\u7a0b\u7684\u8fd0\u884c\u60c5\u51b5\uff0c\u5305\u62ec\u5404\u79cd\u54cd\u5e94\uff0c\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<p>\uff085\uff09\u663e\u793a\u6240\u6709\u8fdb\u7a0b\u7684\u65e5\u5fd7\u4fe1\u606f\uff1a<code>pm2 logs<\/code><\/p>\n<pre><code>$ pm2 logs<\/code><\/pre>\n<p>\uff086\uff09\u76d1\u63a7\u8fd0\u884c\u8fd9\u4e9b\u8fdb\u7a0b\u7684\u673a\u5668\u7684\u72b6\u6001\uff1a<code>pm2 web<\/code><\/p>\n<pre><code>$ pm2 web<\/code><\/pre>\n<p>\uff087\uff09\u505c\u6b62 \u6307\u5b9a\/\u6240\u6709 \u8fdb\u7a0b\uff1a<code>pm2 stop (id|all)<\/code><\/p>\n<pre><code>\/\/ \u505c\u6b62id\u4e3a0\u7684\u8fdb\u7a0b\n$ pm2 stop 0\n\/\/ \u505c\u6b62\u6240\u6709\u8fdb\u7a0b\n$ pm2 stop all<\/code><\/pre>\n<p>\u670d\u52a1\u72b6\u6001\u662f online\uff0c\u4f7f\u7528 stop \u4e4b\u540e\uff0c\u670d\u52a1\u72b6\u6001\u53d8\u6210 stopped<\/p>\n<p>\uff088\uff09\u91cd\u542f \u6307\u5b9a\/\u6240\u6709 \u8fdb\u7a0b\uff1a<code>pm2 restart (id|all)<\/code><\/p>\n<pre><code>\/\/ \u91cd\u542fid\u4e3a0\u7684\u8fdb\u7a0b\n$ pm2 restart 0\n\/\/ \u91cd\u542f\u6240\u6709\u8fdb\u7a0b\n$ pm2 restart all<\/code><\/pre>\n<p>\uff089\uff09\u6740\u6b7b \u6307\u5b9a\/\u6240\u6709 \u8fdb\u7a0b\uff1a<code>pm2 delete (id|all)<\/code><\/p>\n<pre><code>\/\/ \u6740\u6b7bid\u4e3a0\u7684\u8fdb\u7a0b\n$ pm2 delete 0\n\/\/ \u6740\u6b7b\u6240\u6709\u8fdb\u7a0b\n$ pm2 delete all<\/code><\/pre>\n<p>\u670d\u52a1\u72b6\u6001\u662f online\uff0c\u4f7f\u7528 delete \u4e4b\u540e\uff0c\u8fdb\u7a0b\u6d88\u5931<\/p>\n<h3>\u914d\u7f6e PM2 \u542f\u52a8\u6587\u4ef6<\/h3>\n<p>pm2 \u542f\u52a8\u7684\u65b9\u5f0f\u53ef\u4ee5\u8fdb\u884c\u5f88\u591a\u7684\u6269\u5c55\uff0c\u6bd4\u5982\u8bbe\u7f6e\u73af\u5883\uff0c\u8bbe\u7f6e\u9519\u8bef\u4fe1\u606f\u6253\u5370\uff0c\u8bbe\u7f6e\u8f93\u5165\u4fe1\u606f\u6253\u5370\u7b49\u7b49\u9ad8\u7ea7\u529f\u80fd\u3002\u90a3\u4e48\u4e00\u6761\u547d\u4ee4\u5c31\u4e0d\u80fd\u5b8c\u6210\u8fd9\u4e9b\u4efb\u52a1\uff0c\u6240\u4ee5 pm2 \u63d0\u4f9b\u4e86\u914d\u7f6e\u6587\u4ef6\u7684\u65b9\u5f0f\u6765\u542f\u52a8\uff5e<\/p>\n<p>pm2.config.js<\/p>\n<pre><code class=\"language-javascript\">\/\/ \u540d\u79f0\u4efb\u610f\uff0c\u6309\u7167\u4e2a\u4eba\u4e60\u60ef\u6765\nmodule.exports = {\n  apps: [\n    {\n      name: &#039;appblog&#039;, \/\/ \u5e94\u7528\u540d\u79f0\n      script: &#039;.\/build\/server.js&#039;, \/\/ \u542f\u52a8\u6587\u4ef6\u5730\u5740\n      cwd: &#039;.\/&#039;, \/\/ \u5f53\u524d\u5de5\u4f5c\u8def\u5f84\n      watch: [\n        \/\/ \u76d1\u63a7\u53d8\u5316\u7684\u76ee\u5f55\uff0c\u4e00\u65e6\u53d8\u5316\uff0c\u81ea\u52a8\u91cd\u542f\n        &#039;src&#039;,\n        &#039;build&#039;,\n      ],\n      ignore_watch: [\n        \/\/ \u5ffd\u89c6\u8fd9\u4e9b\u76ee\u5f55\u7684\u53d8\u5316\n        &#039;node_modules&#039;,\n        &#039;logs&#039;,\n        &#039;public&#039;,\n      ],\n      node_args: &#039;--harmony&#039;, \/\/ node\u7684\u542f\u52a8\u6a21\u5f0f\n      env: {\n        NODE_ENV: &#039;development&#039;, \/\/ \u8bbe\u7f6e\u8fd0\u884c\u73af\u5883\uff0c\u6b64\u65f6process.env.NODE_ENV\u7684\u503c\u5c31\u662fdevelopment\n        ORIGIN_ADDR: &#039;http:\/\/www.appblog.cn&#039;\n      },\n      env_production: {\n        NODE_ENV: &#039;production&#039;,\n      },\n      out_file: &#039;.\/logs\/out.log&#039;, \/\/ \u666e\u901a\u65e5\u5fd7\u8def\u5f84\n      error_file: &#039;.\/logs\/err.log&#039;, \/\/ \u9519\u8bef\u65e5\u5fd7\u8def\u5f84\n      merge_logs: true,\n      log_date_format: &#039;YYYY-MM-DD HH:mm Z&#039;,\n    },\n  ],\n};<\/code><\/pre>\n<blockquote>\n<p>\u5bf9\u4e8e\u4e0a\u9762\u7684 env\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5185\u90e8\u6dfb\u52a0\u5f88\u591a\u4e2a\u53c2\u6570\u53d8\u91cf\uff0c\u8fd9\u6837\u6211\u4eec\u6240\u4f7f\u7528\u7684 process.env.XXX \u5c31\u4f1a\u5bf9\u5e94\u53d1\u751f\u53d8\u5316\uff0c\u4f8b\u5982\u4e0a\u9762\uff0c\u6211\u4eec<code>process.env.ORIGIN_ADDR<\/code>\u7684\u503c\u5c31\u662f<code>http:\/\/www.appblog.cn<\/code><\/p>\n<\/blockquote>\n<h3>\u8d1f\u8f7d\u5747\u8861<\/h3>\n<p>\u81ea\u52a8\u8d1f\u8f7d\u5747\u8861\uff0c\u53ea\u9700\u8981\u4e00\u6761\u547d\u4ee4\uff0c\u4ee5\u524d\u90a3\u4e9b\u590d\u6742\u7684\u6982\u5ff5\u61c2\u4e0d\u61c2\u65e0\u6240\u8c13\u3002<\/p>\n<pre><code>pm2 start server.js -i (number|max)<\/code><\/pre>\n<pre><code># \u5f00\u542f\u4e09\u4e2a\u8fdb\u7a0b\u8fd0\u884c\u9879\u76ee\npm2 start app.js -i 3\n# \u6839\u636e\u673a\u5668CPU\u6838\u6570\uff0c\u5f00\u542f\u5bf9\u5e94\u6570\u76ee\u7684\u8fdb\u7a0b\u8fd0\u884c\u9879\u76ee\npm2 start app.js -i max<\/code><\/pre>\n<p>\u914d\u7f6e\u6587\u4ef6\u91cc\u5bf9\u5e94\u7684\uff1a<code>&quot;instance&quot;: (number|max)<\/code><\/p>\n<pre><code>\/\/ pm2.config.js\n&quot;instances&quot;: 2,  \/\/ \u542f\u52a8\u4e24\u4e2a\u5b9e\u4f8b<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>PM2\u4f7f\u7528\u80cc\u666f \u5bf9\u4e8e\u7ebf\u4e0a\u9879\u76ee\uff0c\u5982\u679c\u76f4\u63a5\u901a\u8fc7 node app \u6765\u542f\u52a8\uff0c\u5982\u679c\u62a5\u9519\u4e86\u53ef\u80fd\u76f4\u63a5\u505c\u6b62\u5bfc\u81f4\u6574\u4e2a\u670d\u52a1\u5d29\u6e83\uff0c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[294],"class_list":["post-1069","post","type-post","status-publish","format-standard","hentry","category-node","tag-pm2"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1069","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1069"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1069\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1069"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1069"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1069"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}