{"id":84146,"date":"2026-07-26T08:33:50","date_gmt":"2026-07-26T00:33:50","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/84146.html"},"modified":"2026-07-26T08:33:50","modified_gmt":"2026-07-26T00:33:50","slug":"%e7%bd%91%e7%ab%99%e7%aa%81%e7%84%b6%e5%8f%98%e6%85%a2%e5%88%b0%e5%ba%95%e6%98%af%e4%b8%8d%e6%98%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8d%e8%a1%8c%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/84146.html","title":{"rendered":"\u7f51\u7ad9\u7a81\u7136\u53d8\u6162\u5230\u5e95\u662f\u4e0d\u662f\u201c\u670d\u52a1\u5668\u4e0d\u884c\u201d\uff1f"},"content":{"rendered":"<h3>1&#xff09;\u95ee\u9898\u80cc\u666f\u8bf4\u660e<\/h3>\n<p>\u4f60\u53ef\u80fd\u9047\u5230\u8fc7\u8fd9\u79cd\u573a\u666f&#xff1a;\u7f51\u7ad9\u5e73\u65f6\u597d\u597d\u7684&#xff0c;\u67d0\u5929\u5f00\u59cb\u201c\u6253\u5f00\u8981\u7b49\u597d\u51e0\u79d2\u201d&#xff0c;\u540e\u53f0\u4e5f\u5361&#xff0c;\u751a\u81f3\u5076\u5c14 502\/504\u3002<br \/>\n\u7fa4\u91cc\u7b2c\u4e00\u53e5\u8bdd\u5f80\u5f80\u662f&#xff1a;\u201c\u662f\u4e0d\u662f\u670d\u52a1\u5668\u70b8\u4e86&#xff1f;\u201d\u2014\u2014\u4f46\u5b9e\u9645\u60c5\u51b5\u7ecf\u5e38\u66f4\u5fae\u5999&#xff1a;\u6709\u65f6\u662f\u5e94\u7528\u5c42\u6162&#xff08;PHP\/\u6570\u636e\u5e93&#xff09;&#xff0c;\u6709\u65f6\u662f\u78c1\u76d8 I\/O \u9876\u4f4f&#xff0c;\u6709\u65f6\u53ea\u662f CDN 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1&#xff1a;\u6d41\u91cf\u6216\u722c\u866b\u7a81\u589e&#xff0c;\u8fde\u63a5\/\u8fdb\u7a0b\u88ab\u6253\u6ee1<\/h4>\n<ul>\n<li>\n<p>\u89e6\u53d1\u673a\u5236&#xff1a;\u8bbf\u95ee\u91cf\u98d9\u5347\u3001\u6076\u610f\u626b\u63cf\u3001\u722c\u866b\u6293\u53d6\u8fc7\u5bc6&#xff0c;\u5bfc\u81f4 Nginx\/Apache \u8fde\u63a5\u6392\u961f&#xff0c;\u6216 PHP-FPM worker \u7528\u5c3d\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bc6\u522b\u4fe1\u53f7&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u8bbf\u95ee\u6162\u4f46 CPU \u4e0d\u4e00\u5b9a\u9ad8<\/p>\n<\/li>\n<li>\n<p>Nginx\/Apache \u65e5\u5fd7\u91cc 499\/502\/504 \u589e\u591a<\/p>\n<\/li>\n<li>\n<p>\u540c\u65f6\u5728\u7ebf\u8fde\u63a5\u6570\u660e\u663e\u4e0a\u5347<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u9a8c\u8bc1\u65b9\u5f0f&#xff1a;\u770b\u5f53\u524d\u8fde\u63a5\u3001\u770b\u8bf7\u6c42\u6765\u6e90\u5206\u5e03\u3001\u770b PHP-FPM \u662f\u5426\u6ee1\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>\u539f\u56e0 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miss<\/h4>\n<ul>\n<li>\n<p>\u89e6\u53d1\u673a\u5236&#xff1a;\u7f13\u5b58\u88ab\u6e05\u3001\u7f13\u5b58\u952e\u8bbe\u8ba1\u4e0d\u5408\u7406\u3001\u9875\u9762\u6bcf\u6b21\u90fd\u56de\u6e90\u8dd1\u5168\u5957\u903b\u8f91\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bc6\u522b\u4fe1\u53f7&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u53d8\u6162\u6709\u660e\u663e\u201c\u5468\u671f\u6027\u201d<\/p>\n<\/li>\n<li>\n<p>\u8bbf\u95ee\u70ed\u70b9\u9875\u9762\u65f6&#xff0c;\u540e\u7aef\u8d1f\u8f7d\u8ddf\u7740\u6da8<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u9a8c\u8bc1\u65b9\u5f0f&#xff1a;\u67e5\u770b\u7f13\u5b58\u547d\u4e2d\u7387\u3001\u5e94\u7528\u65e5\u5fd7\u3001CDN \u56de\u6e90\u65e5\u5fd7\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>\u539f\u56e0 5&#xff1a;\u7b2c\u4e09\u65b9\u63a5\u53e3\u62d6\u7d2f&#xff08;\u652f\u4ed8\/\u77ed\u4fe1\/\u7edf\u8ba1\/\u5730\u56fe&#xff09;<\/h4>\n<ul>\n<li>\n<p>\u89e6\u53d1\u673a\u5236&#xff1a;\u9875\u9762\u7b49\u5f85\u5916\u90e8 API&#xff0c;\u5916\u90e8\u6162&#061;\u4f60\u4e5f\u6162\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bc6\u522b\u4fe1\u53f7&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u67d0\u4e9b\u529f\u80fd\u9875\u5fc5\u6162&#xff08;\u6bd4\u5982\u63d0\u4ea4\u8ba2\u5355\u3001\u767b\u5f55&#xff09;<\/p>\n<\/li>\n<li>\n<p>\u670d\u52a1\u5668\u672c\u8eab\u6307\u6807\u770b\u8d77\u6765\u6b63\u5e38<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u9a8c\u8bc1\u65b9\u5f0f&#xff1a;\u5e94\u7528\u5c42\u6162\u65e5\u5fd7&#xff08;\u6162\u8bf7\u6c42\u6808&#xff09;\u3001\u63a5\u53e3\u8d85\u65f6\u8bb0\u5f55\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>4&#xff09;\u89e3\u51b3\u6216\u5224\u65ad\u65b9\u6cd5&#xff08;\u5206\u6b65\u9aa4&#xff09;<\/h3>\n<p>\u8bf4\u660e&#xff1a;\u547d\u4ee4\u53ea\u662f\u5de5\u5177&#xff0c;\u5173\u952e\u662f\u6bcf\u4e00\u6b65\u90fd\u8981\u77e5\u9053\u201c\u6211\u5728\u9a8c\u8bc1\u4ec0\u4e48\u201d\u3002<\/p>\n<h4>\u7b2c 1 \u6b65&#xff1a;\u5148\u5206\u6e05\u201c\u524d\u7aef\u6162\u201d\u8fd8\u662f\u201c\u540e\u7aef\u6162\u201d<\/h4>\n<ul>\n<li>\n<p>\u76ee\u7684&#xff1a;\u6392\u9664\u6d4f\u89c8\u5668\u6e32\u67d3\u3001\u524d\u7aef\u8d44\u6e90\u3001DNS \u7b49\u5047\u8c61\u3002<\/p>\n<\/li>\n<li>\n<p>\u64cd\u4f5c&#xff1a;\u7528\u6d4f\u89c8\u5668\u5f00\u53d1\u8005\u5de5\u5177\u770b Timing&#xff08;TTFB \u662f\u5426\u9ad8&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u5982\u4f55\u89e3\u8bfb\u7ed3\u679c&#xff1a;<\/p>\n<ul>\n<li>\n<p>TTFB \u9ad8&#xff1a;\u540e\u7aef\u5904\u7406\u6162&#xff08;\u66f4\u504f\u670d\u52a1\u7aef&#xff09;<\/p>\n<\/li>\n<li>\n<p>TTFB \u4f4e\u4f46\u52a0\u8f7d\u6162&#xff1a;\u53ef\u80fd\u662f\u524d\u7aef\u8d44\u6e90\/\u7b2c\u4e09\u65b9\u811a\u672c\/CDN<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>\u7b2c 2 \u6b65&#xff1a;\u786e\u8ba4\u670d\u52a1\u5668\u8d44\u6e90\u662f\u5426\u88ab\u6253\u6ee1&#xff08;CPU\/\u5185\u5b58\/\u8d1f\u8f7d&#xff09;<\/h4>\n<ul>\n<li>\n<p>\u76ee\u7684&#xff1a;\u5224\u65ad\u662f\u4e0d\u662f\u201c\u7b97\u529b\u4e0d\u8db3\/\u8fdb\u7a0b\u6392\u961f\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u64cd\u4f5c&#xff1a;<\/p>\n<ul>\n<li>\n<p>top \/ htop \u770b CPU\u3001load\u3001\u5185\u5b58<\/p>\n<\/li>\n<li>\n<p>free -m \u770b\u662f\u5426\u9891\u7e41 swap<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u547d\u4ee4\u542b\u4e49&#xff1a;<\/p>\n<ul>\n<li>\n<p>load average \u53cd\u6620\u7cfb\u7edf\u6392\u961f\u60c5\u51b5&#xff08;\u4e0d\u7b49\u540c\u4e8e CPU \u4f7f\u7528\u7387&#xff09;<\/p>\n<\/li>\n<li>\n<p>swap \u9891\u7e41\u901a\u5e38\u4f1a\u8ba9\u54cd\u5e94\u53d8\u201c\u62d6\u6ce5\u5e26\u6c34\u201d<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4e0b\u4e00\u6b65\u5206\u652f&#xff1a;<\/p>\n<ul>\n<li>\n<p>CPU \u9ad8&#xff1a;\u4f18\u5148\u770b\u8c01\u5728\u5403 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