{"id":49936,"date":"2024-10-08T08:44:16","date_gmt":"2024-10-08T00:44:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/49936\/"},"modified":"2024-10-08T08:44:16","modified_gmt":"2024-10-08T00:44:16","slug":"nginx-%e6%8a%80%e5%b7%a7%ef%bc%9a%e5%af%a6%e7%8f%be%e5%bf%ab%e5%8f%96%e7%ad%96%e7%95%a5%e8%88%87-proxy_cache_use_stale","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/49936\/","title":{"rendered":"Nginx \u6280\u5de7\uff1a\u5be6\u73fe\u5feb\u53d6\u7b56\u7565\u8207 proxy_cache_use_stale"},"content":{"rendered":"<h1 id=\"nginx-%e6%8a%80%e5%b7%a7%ef%bc%9a%e5%af%a6%e7%8f%be%e5%bf%ab%e5%8f%96%e7%ad%96%e7%95%a5%e8%88%87-proxy_cache_use_stale-KxHXjgmrqS\">Nginx \u6280\u5de7\uff1a\u5be6\u73fe\u5feb\u53d6\u7b56\u7565\u8207 proxy_cache_use_stale<\/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\u5176\u5f37\u5927\u7684\u5feb\u53d6\u529f\u80fd\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u7db2\u7ad9\u7684\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Nginx \u7684\u5feb\u53d6\u7b56\u7565\uff0c\u7279\u5225\u662f <code>proxy_cache_use_stale<\/code> \u6307\u4ee4\uff0c\u4f86\u512a\u5316\u7db2\u7ad9\u7684\u6548\u80fd\u3002<\/p>\n<h2 id=\"%e5%bf%ab%e5%8f%96%e7%ad%96%e7%95%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-KxHXjgmrqS\">\u5feb\u53d6\u7b56\u7565\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5feb\u53d6\u662f\u4e00\u7a2e\u5c07\u8cc7\u6599\u5b58\u5132\u5728\u81e8\u6642\u4f4d\u7f6e\u7684\u6280\u8853\uff0c\u4ee5\u4fbf\u5feb\u901f\u8a2a\u554f\u3002Nginx \u7684\u5feb\u53d6\u529f\u80fd\u53ef\u4ee5\u6e1b\u5c11\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\uff0c\u964d\u4f4e\u5ef6\u9072\uff0c\u4e26\u63d0\u9ad8\u7528\u6236\u9ad4\u9a57\u3002\u7576\u7528\u6236\u8acb\u6c42\u67d0\u500b\u8cc7\u6e90\u6642\uff0cNginx \u53ef\u4ee5\u76f4\u63a5\u5f9e\u5feb\u53d6\u4e2d\u63d0\u4f9b\u8a72\u8cc7\u6e90\uff0c\u800c\u7121\u9700\u6bcf\u6b21\u90fd\u5411\u5f8c\u7aef\u4f3a\u670d\u5668\u8acb\u6c42\u3002<\/p>\n<h2 id=\"proxy_cache_use_stale-%e6%8c%87%e4%bb%a4%e7%9a%84%e4%bd%9c%e7%94%a8-KxHXjgmrqS\">proxy_cache_use_stale \u6307\u4ee4\u7684\u4f5c\u7528<\/h2>\n<p><code>proxy_cache_use_stale<\/code> \u662f Nginx \u4e2d\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u6307\u4ee4\uff0c\u5141\u8a31\u4f3a\u670d\u5668\u5728\u5feb\u53d6\u7684\u8cc7\u6599\u904e\u671f\u5f8c\uff0c\u4ecd\u7136\u53ef\u4ee5\u4f7f\u7528\u904e\u671f\u7684\u5feb\u53d6\u8cc7\u6599\u4f86\u56de\u61c9\u7528\u6236\u8acb\u6c42\u3002\u9019\u5728\u5f8c\u7aef\u4f3a\u670d\u5668\u7121\u6cd5\u53ca\u6642\u97ff\u61c9\u6642\u7279\u5225\u6709\u7528\uff0c\u80fd\u5920\u63d0\u9ad8\u7db2\u7ad9\u7684\u53ef\u7528\u6027\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-KxHXjgmrqS\">\u4f7f\u7528\u5834\u666f<\/h3>\n<ul>\n<li><strong>\u5f8c\u7aef\u4f3a\u670d\u5668\u6545\u969c\uff1a<\/strong>\u7576\u5f8c\u7aef\u4f3a\u670d\u5668\u51fa\u73fe\u6545\u969c\u6642\uff0cNginx \u53ef\u4ee5\u4f7f\u7528\u904e\u671f\u7684\u5feb\u53d6\u8cc7\u6599\uff0c\u78ba\u4fdd\u7528\u6236\u4ecd\u7136\u80fd\u5920\u8a2a\u554f\u7db2\u7ad9\u3002<\/li>\n<li><strong>\u9ad8\u6d41\u91cf\u60c5\u6cc1\uff1a<\/strong>\u5728\u9ad8\u6d41\u91cf\u7684\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u904e\u671f\u7684\u5feb\u53d6\u8cc7\u6599\u53ef\u4ee5\u6e1b\u5c11\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\uff0c\u907f\u514d\u56e0\u70ba\u8acb\u6c42\u904e\u591a\u800c\u5c0e\u81f4\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u7db2\u7d61\u5ef6\u9072\uff1a<\/strong>\u5728\u7db2\u7d61\u5ef6\u9072\u8f03\u9ad8\u7684\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u904e\u671f\u7684\u5feb\u53d6\u8cc7\u6599\u53ef\u4ee5\u63d0\u9ad8\u7528\u6236\u7684\u8a2a\u554f\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%85%8d%e7%bd%ae-proxy_cache_use_stale-KxHXjgmrqS\">\u5982\u4f55\u914d\u7f6e proxy_cache_use_stale<\/h2>\n<p>\u8981\u4f7f\u7528 <code>proxy_cache_use_stale<\/code>\uff0c\u9996\u5148\u9700\u8981\u5728 Nginx \u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u555f\u7528\u5feb\u53d6\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u914d\u7f6e\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>http {\n    proxy_cache_path \/var\/cache\/nginx levels=1:2 keys_zone=my_cache:10m max_size=1g inactive=60m use_temp_path=off;\n\n    server {\n        listen 80;\n        server_name example.com;\n\n        location \/ {\n            proxy_pass http:\/\/backend_server;\n            proxy_cache my_cache;\n            proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;\n        }\n    }\n}<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba <code>my_cache<\/code> \u7684\u5feb\u53d6\u5340\u57df\uff0c\u4e26\u8a2d\u7f6e\u4e86\u5feb\u53d6\u7684\u8def\u5f91\u3001\u5927\u5c0f\u548c\u4e0d\u6d3b\u52d5\u6642\u9593\u3002<code>proxy_cache_use_stale<\/code> 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id=\"%e7%b8%bd%e7%b5%90-KxHXjgmrqS\">\u7e3d\u7d50<\/h2>\n<p>\u900f\u904e\u5408\u7406\u914d\u7f6e Nginx \u7684\u5feb\u53d6\u7b56\u7565\uff0c\u7279\u5225\u662f <code>proxy_cache_use_stale<\/code> \u6307\u4ee4\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u7db2\u7ad9\u7684\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002\u9019\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u7684\u7db2\u7ad9\u5c24\u70ba\u91cd\u8981\u3002\u82e5\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u4f3a\u670d\u5668\u548c\u5feb\u53d6\u7b56\u7565\uff0c\u63d0\u5347\u7db2\u7ad9\u6548\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Nginx \u6280\u5de7\uff0c\u5b78\u7fd2\u5982\u4f55\u5be6\u73fe\u5feb\u53d6\u7b56\u7565\u53ca\u4f7f\u7528 proxy_cache_use_stale \u4f86\u63d0\u5347\u7db2\u7ad9\u6548\u80fd\u8207\u7a69\u5b9a\u6027\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-49936","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/49936","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=49936"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/49936\/revisions"}],"predecessor-version":[{"id":49937,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/49936\/revisions\/49937"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=49936"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=49936"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=49936"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}