{"id":49886,"date":"2024-10-08T08:19:14","date_gmt":"2024-10-08T00:19:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/49886\/"},"modified":"2024-10-08T08:19:14","modified_gmt":"2024-10-08T00:19:14","slug":"nginx-%e6%8a%80%e5%b7%a7%ef%bc%9a%e4%bd%bf%e7%94%a8-health_check-%e6%8c%87%e4%bb%a4%e8%a8%ad%e7%bd%ae%e5%81%a5%e5%ba%b7%e6%aa%a2%e6%9f%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/49886\/","title":{"rendered":"Nginx \u6280\u5de7\uff1a\u4f7f\u7528 health_check \u6307\u4ee4\u8a2d\u7f6e\u5065\u5eb7\u6aa2\u67e5"},"content":{"rendered":"<h1 id=\"nginx-%e6%8a%80%e5%b7%a7%ef%bc%9a%e4%bd%bf%e7%94%a8-health_check-%e6%8c%87%e4%bb%a4%e8%a8%ad%e7%bd%ae%e5%81%a5%e5%ba%b7%e6%aa%a2%e6%9f%a5-XjWuXyEjYG\">Nginx \u6280\u5de7\uff1a\u4f7f\u7528 health_check \u6307\u4ee4\u8a2d\u7f6e\u5065\u5eb7\u6aa2\u67e5<\/h1>\n<p>Nginx \u662f\u4e00\u6b3e\u9ad8\u6548\u80fd\u7684\u7db2\u9801\u4f3a\u670d\u5668\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5f0f\u4e2d\u3002\u96a8\u8457\u7db2\u8def\u6d41\u91cf\u7684\u589e\u52a0\uff0c\u78ba\u4fdd\u4f3a\u670d\u5668\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u8b8a\u5f97\u6108\u52a0\u91cd\u8981\u3002\u70ba\u4e86\u9054\u5230\u9019\u4e00\u76ee\u6a19\uff0c\u5065\u5eb7\u6aa2\u67e5\uff08health check\uff09\u662f\u4e00\u500b\u4e0d\u53ef\u6216\u7f3a\u7684\u529f\u80fd\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 Nginx \u7684 health_check \u6307\u4ee4\u4f86\u8a2d\u7f6e\u5065\u5eb7\u6aa2\u67e5\uff0c\u78ba\u4fdd\u4f3a\u670d\u5668\u7684\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%81%a5%e5%ba%b7%e6%aa%a2%e6%9f%a5%ef%bc%9f-XjWuXyEjYG\">\u4ec0\u9ebc\u662f\u5065\u5eb7\u6aa2\u67e5\uff1f<\/h2>\n<p>\u5065\u5eb7\u6aa2\u67e5\u662f\u6307\u5b9a\u671f\u6aa2\u67e5\u4f3a\u670d\u5668\u6216\u61c9\u7528\u7a0b\u5f0f\u7684\u72c0\u614b\uff0c\u4ee5\u78ba\u4fdd\u5176\u6b63\u5e38\u904b\u884c\u3002\u7576\u4f3a\u670d\u5668\u51fa\u73fe\u6545\u969c\u6216\u7121\u6cd5\u97ff\u61c9\u6642\uff0c\u5065\u5eb7\u6aa2\u67e5\u53ef\u4ee5\u53ca\u6642\u767c\u73fe\u554f\u984c\uff0c\u4e26\u5c07\u6d41\u91cf\u91cd\u5b9a\u5411\u5230\u5176\u4ed6\u6b63\u5e38\u904b\u884c\u7684\u4f3a\u670d\u5668\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u6574\u9ad4\u7cfb\u7d71\u7684\u53ef\u7528\u6027\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<h2 id=\"nginx-%e7%9a%84-health_check-%e6%8c%87%e4%bb%a4-XjWuXyEjYG\">Nginx \u7684 health_check \u6307\u4ee4<\/h2>\n<p>Nginx \u7684 health_check \u6307\u4ee4\u4e3b\u8981\u7528\u65bc\u8ca0\u8f09\u5747\u8861\u7684\u5834\u666f\u4e2d\u3002\u5b83\u53ef\u4ee5\u5b9a\u671f\u6aa2\u67e5\u5f8c\u7aef\u4f3a\u670d\u5668\u7684\u5065\u5eb7\u72c0\u614b\uff0c\u4e26\u6839\u64da\u6aa2\u67e5\u7d50\u679c\u81ea\u52d5\u8abf\u6574\u6d41\u91cf\u5206\u914d\u3002\u9019\u4e00\u529f\u80fd\u7279\u5225\u9069\u5408\u65bc\u9ad8\u53ef\u7528\u6027\u67b6\u69cb\uff0c\u80fd\u5920\u6709\u6548\u6e1b\u5c11\u56e0\u4f3a\u670d\u5668\u6545\u969c\u800c\u5c0e\u81f4\u7684\u670d\u52d9\u4e2d\u65b7\u3002<\/p>\n<h3 id=\"%e5%9f%ba%e6%9c%ac%e9%85%8d%e7%bd%ae-XjWuXyEjYG\">\u57fa\u672c\u914d\u7f6e<\/h3>\n<p>\u8981\u5728 Nginx \u4e2d\u555f\u7528\u5065\u5eb7\u6aa2\u67e5\uff0c\u9996\u5148\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86 Nginx Plus\uff0c\u56e0\u70ba\u5065\u5eb7\u6aa2\u67e5\u529f\u80fd\u50c5\u5728 Nginx Plus \u4e2d\u53ef\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u914d\u7f6e\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>http {\n    upstream backend {\n        server backend1.example.com;\n        server backend2.example.com;\n        health_check interval=5 fails=3 passes=2;\n    }\n\n    server {\n        listen 80;\n        location \/ {\n            proxy_pass http:\/\/backend;\n        }\n    }\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u914d\u7f6e\u4e2d\uff0chealth_check \u6307\u4ee4\u7684\u53c3\u6578\u89e3\u91cb\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>interval<\/strong>: \u5065\u5eb7\u6aa2\u67e5\u7684\u6642\u9593\u9593\u9694\uff08\u4ee5\u79d2\u70ba\u55ae\u4f4d\uff09\u3002\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6bcf 5 \u79d2\u9032\u884c\u4e00\u6b21\u6aa2\u67e5\u3002<\/li>\n<li><strong>fails<\/strong>: \u9023\u7e8c\u5931\u6557\u7684\u6b21\u6578\u3002\u5982\u679c\u5f8c\u7aef\u4f3a\u670d\u5668\u9023\u7e8c\u5931\u6557 3 \u6b21\uff0c\u5247\u5c07\u5176\u6a19\u8a18\u70ba\u4e0d\u5065\u5eb7\u3002<\/li>\n<li><strong>passes<\/strong>: \u9023\u7e8c\u6210\u529f\u7684\u6b21\u6578\u3002\u5982\u679c\u5f8c\u7aef\u4f3a\u670d\u5668\u9023\u7e8c\u6210\u529f 2 \u6b21\uff0c\u5247\u5c07\u5176\u6a19\u8a18\u70ba\u5065\u5eb7\u3002<\/li>\n<\/ul>\n<h3 id=\"%e9%80%b2%e9%9a%8e%e9%85%8d%e7%bd%ae-XjWuXyEjYG\">\u9032\u968e\u914d\u7f6e<\/h3>\n<p>\u9664\u4e86\u57fa\u672c\u7684\u5065\u5eb7\u6aa2\u67e5\uff0cNginx Plus \u9084\u652f\u6301\u591a\u7a2e\u9032\u968e\u914d\u7f6e\u9078\u9805\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u4e0d\u540c\u7684\u6aa2\u67e5\u65b9\u6cd5\u3001\u8d85\u6642\u8a2d\u7f6e\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u9032\u968e\u914d\u7f6e\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>http {\n    upstream backend {\n        server backend1.example.com;\n        server backend2.example.com;\n        health_check interval=5 fails=3 passes=2 timeout=2;\n    }\n\n    server {\n        listen 80;\n        location \/ {\n            proxy_pass http:\/\/backend;\n        }\n    }\n}<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u589e\u52a0\u4e86 <strong>timeout<\/strong> \u53c3\u6578\uff0c\u8a2d\u7f6e\u5065\u5eb7\u6aa2\u67e5\u7684\u8d85\u6642\u6642\u9593\u70ba 2 \u79d2\u3002\u9019\u610f\u5473\u8457\u5982\u679c\u5f8c\u7aef\u4f3a\u670d\u5668\u5728 2 \u79d2\u5167\u672a\u80fd\u97ff\u61c9\uff0c\u5247\u6703\u88ab\u8996\u70ba\u5931\u6557\u3002<\/p>\n<h2 id=\"%e5%81%a5%e5%ba%b7%e6%aa%a2%e6%9f%a5%e7%9a%84%e5%a5%bd%e8%99%95-XjWuXyEjYG\">\u5065\u5eb7\u6aa2\u67e5\u7684\u597d\u8655<\/h2>\n<p>\u4f7f\u7528 Nginx \u7684\u5065\u5eb7\u6aa2\u67e5\u529f\u80fd\u6709\u591a\u500b\u597d\u8655\uff1a<\/p>\n<ul>\n<li><strong>\u63d0\u9ad8\u53ef\u7528\u6027<\/strong>: \u81ea\u52d5\u6aa2\u67e5\u5f8c\u7aef\u4f3a\u670d\u5668\u7684\u72c0\u614b\uff0c\u78ba\u4fdd\u6d41\u91cf\u53ea\u5206\u914d\u7d66\u5065\u5eb7\u7684\u4f3a\u670d\u5668\u3002<\/li>\n<li><strong>\u6e1b\u5c11\u6545\u969c\u6642\u9593<\/strong>: \u53ca\u6642\u767c\u73fe\u554f\u984c\u4e26\u81ea\u52d5\u8abf\u6574\u6d41\u91cf\uff0c\u6e1b\u5c11\u7528\u6236\u9ad4\u9a57\u7684\u5f71\u97ff\u3002<\/li>\n<li><strong>\u7c21\u5316\u7ba1\u7406<\/strong>: \u81ea\u52d5\u5316\u7684\u5065\u5eb7\u6aa2\u67e5\u6e1b\u5c11\u4e86\u624b\u52d5\u76e3\u63a7\u7684\u9700\u6c42\uff0c\u964d\u4f4e\u4e86\u7ba1\u7406\u6210\u672c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XjWuXyEjYG\">\u7e3d\u7d50<\/h2>\n<p>\u5065\u5eb7\u6aa2\u67e5\u662f\u78ba\u4fdd Nginx \u4f3a\u670d\u5668\u7a69\u5b9a\u904b\u884c\u7684\u91cd\u8981\u5de5\u5177\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e health_check \u6307\u4ee4\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u4f3a\u670d\u5668\u7684\u53ef\u7528\u6027\u548c\u7a69\u5b9a\u6027\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u7db2\u7ad9\u9084\u662f\u5927\u578b\u61c9\u7528\uff0c\u5065\u5eb7\u6aa2\u67e5\u90fd\u80fd\u70ba\u7cfb\u7d71\u63d0\u4f9b\u984d\u5916\u7684\u4fdd\u969c\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 Nginx \u7684 health_check \u6307\u4ee4\u8a2d\u7f6e\u5065\u5eb7\u6aa2\u67e5\uff0c\u78ba\u4fdd\u4f3a\u670d\u5668\u7a69\u5b9a\u6027\u8207\u6027\u80fd\u6700\u4f73\u5316\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-49886","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/49886","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=49886"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/49886\/revisions"}],"predecessor-version":[{"id":49887,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/49886\/revisions\/49887"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=49886"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=49886"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=49886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}