{"id":832,"date":"2019-07-24T21:38:07","date_gmt":"2019-07-24T13:38:07","guid":{"rendered":"https:\/\/wyxxt.org.cn\/?p=832"},"modified":"2023-12-04T17:02:12","modified_gmt":"2023-12-04T09:02:12","slug":"node%e9%9b%86%e7%be%a4-cluster","status":"publish","type":"post","link":"https:\/\/wyxxt.org.cn\/?p=832","title":{"rendered":"node\u96c6\u7fa4-cluster"},"content":{"rendered":"

node\u4e3ajavascript\u7684\u5e73\u53f0\u3002\u53ea\u652f\u6301\u5355\u7ebf\u7a0b\u3002\u542f\u52a8\u4e00\u4e2anode\u7a0b\u5e8f\uff0c\u53ea\u4f1a\u5360\u7528\u4e00\u4e2acpu\u3002\u6d6a\u8d39\u670d\u52a1\u5668\u6027\u80fd\u3002\u540c\u65f6\u4e00\u4e2anode\u8fdb\u7a0b\u5e76\u53d1\u91cf\u6709\u9650\u3002<\/em>
\n\u89e3\u51b3\u65b9\u6848:<\/strong>
\n\u540c\u65f6\u542f\u52a8\u591a\u4e2anode\u8fdb\u7a0b\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u5360\u7528\u4e00\u4e2acpu\u3002\u8fd9\u6837\u670d\u52a1\u5668\u5229\u7528\u7387\u4f1a\u63d0\u9ad8\u540c\u65f6\u63d0\u9ad8\u5e76\u53d1\u91cf\u3002node\u7684cluster\u6a21\u5757\u5c31\u63d0\u4f9b\u4e86\u5145\u5206\u5229\u7528\u673a\u5668cpu\u5185\u6838\u5f00\u7bb1\u5373\u7528\u7684\u89e3\u51b3\u65b9\u6848<\/em><\/p>\n

\u5355\u8fdb\u7a0b\u793a\u4f8b<\/h3>\n

\u4ee3\u7801\u90e8\u5206<\/h4>\n
\/\/server.js\nconst http = require('http');\nconst pid = process.pid;\nhttp.createServer((req, res) => {\n    for(let i=0;i<1e7;i++) {} \/\/ simulate CPU work\n    res.end(`handled by process.${pid}`);\n}).listen(8080, () => {\n    console.log(`started process`, pid);\n});\n<\/code><\/pre>\n
\"\"<\/p>\n
ab\u538b\u6d4b<\/h4>\n
*\u6bcf\u79d2200\u4e2a 10\u79d2\u949f *<\/p>\n
 .\/ab -c200 -t10 http:\/\/localhost:8080\/\n<\/code><\/pre>\n
\"\"
\n\u5b8c\u62101008\u4e2a\u8bf7\u6c42\uff0c\u6bcf\u79d2\u5904\u7406100.77\u4e2a\u8bf7\u6c42\uff08\u5e76\u53d1\u91cf\uff09<\/strong><\/p>\n
\u591a\u8fdb\u7a0b\u793a\u4f8b<\/h3>\n
\u591a\u8fdb\u7a0b\u539f\u7406<\/h4>\n
\"\"
\n\u4e3b\u8fdb\u7a0b\u7684\u5de5\u4f5c\u5f88\u7b80\u5355\uff0c\u56e0\u4e3a\u5b83\u5b9e\u9645\u4e0a\u53ea\u4f7f\u7528\u4e86\u4e00\u4e2a\u8c03\u5ea6\u8f6e\u8be2\u7b97\u6cd5\u53bb\u9009\u62e9\u4e00\u4e2a\u5de5\u4f5c\u8fdb\u7a0b\u3002<\/em><\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h4>\n
\/\/ cluter.js\nconst cluster = require('cluster');\nconst os = require('os');\nif (cluster.isMaster) {\n    const cpus = os.cpus().length;\n    console.log('forking for ', cpus, ' CPUS');\n    for(let i = 0;i<cpus;i++) {\n        cluster.fork();\n    }\n} else {\n    require('.\/server.js');\n}\n<\/code><\/pre>\n
\"\"<\/p>\n
ab\u538b\u6d4b<\/h4>\n
\"\"
\n\u5b8c\u62102924\u4e2a\u8bf7\u6c42\uff0c\u5e76\u53d1\u91cf292.28\uff0c\u6bcf\u4e2a\u8bf7\u6c42\u8017\u65f6684.268\u6beb\u79d2<\/strong><\/p>\n
\u5e76\u53d1500\uff0c\u5b8c\u62105000\u4e2a\u8bf7\u6c42<\/h3>\n
.\/ab -c500 -n5000 http:\/\/localhost:\n8080\/\n<\/code><\/pre>\n
\"\"
\n\u8017\u65f6111.983\u79d2
\n\"\"
\n\u8017\u65f618.166\u79d21\u4e2a\u4e3b\u8fdb\u7a0b\uff0c7\u4e2a\u5de5\u4f5c\u8fdb\u7a0b\u3002\u7ea6\u4e3a\u5355\u8fdb\u7a0b\u8017\u65f6\u76841\/7.<\/p>\n
\u603b\u7ed3<\/h3>\n
    \n
  1. node\u96c6\u7fa4\u5e76\u53d1\u91cf\u6709\u4e00\u5b9a\u63d0\u5347\uff0c\u5e76\u53d1\u91cf\u8d85\u8fc7100\u5efa\u8bae\u4f7f\u7528nginx\u505a\u8d1f\u8f7d\u5747\u8861<\/li>\n
  2. \u5355\u53f0nginx\u5e76\u53d1\u91cf\u4e0d\u5f97\u8d85\u8fc75w,\u6700\u597d\u8d85\u8fc72w\u5c31\u662f\u7528dns\u505a\u5206\u6d41<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
    node\u4e3ajavascript\u7684\u5e73\u53f0\u3002\u53ea\u652f\u6301\u5355\u7ebf\u7a0b\u3002\u542f\u52a8\u4e00\u4e2anode\u7a0b\u5e8f\uff0c\u53ea\u4f1a\u5360\u7528\u4e00\u4e2acpu\u3002\u6d6a\u8d39\u670d\u52a1\u5668\u6027\u80fd\u3002 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[15],"tags":[414],"class_list":["post-832","post","type-post","status-publish","format-standard","hentry","category-15","tag-node"],"_links":{"self":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/832","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=832"}],"version-history":[{"count":5,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/832\/revisions"}],"predecessor-version":[{"id":837,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/832\/revisions\/837"}],"wp:attachment":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=832"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}