{"id":161365,"date":"2024-11-04T05:49:28","date_gmt":"2024-11-03T21:49:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161365\/"},"modified":"2024-11-04T05:49:29","modified_gmt":"2024-11-03T21:49:29","slug":"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e7%b7%a9%e5%ad%98%e5%90%8c%e6%ad%a5%e6%9e%b6%e6%a7%8b%e5%af%a6%e7%8f%be%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e5%90%8c%e6%ad%a5%e4%bb%a3%e7%a2%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161365\/","title":{"rendered":"\u57fa\u65bc Redis \u7684\u7de9\u5b58\u540c\u6b65\u67b6\u69cb\u5be6\u73fe\uff08redis \u7de9\u5b58\u540c\u6b65\u4ee3\u78bc\uff09"},"content":{"rendered":"<h1 id=\"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e7%b7%a9%e5%ad%98%e5%90%8c%e6%ad%a5%e6%9e%b6%e6%a7%8b%e5%af%a6%e7%8f%be%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e5%90%8c%e6%ad%a5%e4%bb%a3%e7%a2%bc%ef%bc%89-DekNuHlLwr\">\u57fa\u65bc Redis \u7684\u7de9\u5b58\u540c\u6b65\u67b6\u69cb\u5be6\u73fe\uff08redis \u7de9\u5b58\u540c\u6b65\u4ee3\u78bc\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u70ba\u4e86\u63d0\u9ad8\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\uff0c\u8a31\u591a\u958b\u767c\u8005\u9078\u64c7\u4f7f\u7528\u7de9\u5b58\u6280\u8853\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u7cfb\u7d71\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u57fa\u65bc Redis \u7684\u7de9\u5b58\u540c\u6b65\u67b6\u69cb\u7684\u5be6\u73fe\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%b7%a9%e5%ad%98%e5%90%8c%e6%ad%a5%ef%bc%9f-DekNuHlLwr\">\u4ec0\u9ebc\u662f\u7de9\u5b58\u540c\u6b65\uff1f<\/h2>\n<p>\u7de9\u5b58\u540c\u6b65\u662f\u6307\u5728\u591a\u500b\u670d\u52d9\u5668\u6216\u5be6\u4f8b\u4e4b\u9593\u4fdd\u6301\u7de9\u5b58\u6578\u64da\u4e00\u81f4\u6027\u7684\u904e\u7a0b\u3002\u7576\u4e00\u500b\u5be6\u4f8b\u7684\u7de9\u5b58\u6578\u64da\u767c\u751f\u8b8a\u5316\u6642\uff0c\u5176\u4ed6\u5be6\u4f8b\u9700\u8981\u53ca\u6642\u66f4\u65b0\u5176\u7de9\u5b58\uff0c\u4ee5\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002\u9019\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u5c24\u70ba\u91cd\u8981\uff0c\u56e0\u70ba\u4e0d\u540c\u7684\u5be6\u4f8b\u53ef\u80fd\u6703\u8655\u7406\u76f8\u540c\u7684\u8acb\u6c42\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87-redis%ef%bc%9f-DekNuHlLwr\">\u70ba\u4ec0\u9ebc\u9078\u64c7 Redis\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u4ee5\u4e0b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>Redis \u5c07\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u6975\u5feb\u3002<\/li>\n<li><strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis \u4e0d\u50c5\u652f\u6301\u5b57\u7b26\u4e32\uff0c\u9084\u652f\u6301\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u9078\u9805\uff1a<\/strong>Redis \u63d0\u4f9b RDB \u548c AOF \u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u5d29\u6f70\u6642\u6062\u5fa9\u6578\u64da\u3002<\/li>\n<li><strong>\u8c50\u5bcc\u7684\u529f\u80fd\uff1a<\/strong>Redis \u652f\u6301\u8a02\u95b1\/\u767c\u5e03\u3001\u4e8b\u52d9\u3001Lua \u8173\u672c\u7b49\u529f\u80fd\uff0c\u9069\u5408\u69cb\u5efa\u8907\u96dc\u7684\u61c9\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b7%a9%e5%ad%98%e5%90%8c%e6%ad%a5%e6%9e%b6%e6%a7%8b%e7%9a%84%e5%af%a6%e7%8f%be-DekNuHlLwr\">\u7de9\u5b58\u540c\u6b65\u67b6\u69cb\u7684\u5be6\u73fe<\/h2>\n<p>\u5728\u57fa\u65bc Redis \u7684\u7de9\u5b58\u540c\u6b65\u67b6\u69cb\u4e2d\uff0c\u901a\u5e38\u6703\u4f7f\u7528\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u6578\u64da\u7684\u540c\u6b65\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-redis-%e7%9a%84%e7%99%bc%e5%b8%83-%e8%a8%82%e9%96%b1%e5%8a%9f%e8%83%bd-DekNuHlLwr\">1. \u4f7f\u7528 Redis \u7684\u767c\u5e03\/\u8a02\u95b1\u529f\u80fd<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86\u767c\u5e03\/\u8a02\u95b1\uff08Pub\/Sub\uff09\u529f\u80fd\uff0c\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u7de9\u5b58\u7684\u5be6\u6642\u540c\u6b65\u3002\u7576\u4e00\u500b\u5be6\u4f8b\u66f4\u65b0\u4e86\u7de9\u5b58\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u5411\u4e00\u500b\u983b\u9053\u767c\u9001\u6d88\u606f\uff0c\u5176\u4ed6\u8a02\u95b1\u8a72\u983b\u9053\u7684\u5be6\u4f8b\u6703\u6536\u5230\u901a\u77e5\u4e26\u66f4\u65b0\u81ea\u5df1\u7684\u7de9\u5b58\u3002<\/p>\n<pre><code>const redis = require('redis');\nconst publisher = redis.createClient();\nconst subscriber = redis.createClient();\n\n\/\/ \u8a02\u95b1\u983b\u9053\nsubscriber.subscribe('cache_update');\n\n\/\/ \u7576\u63a5\u6536\u5230\u6d88\u606f\u6642\u66f4\u65b0\u7de9\u5b58\nsubscriber.on('message', (channel, message) =&gt; {\n    console.log(`Received message: ${message}`);\n    \/\/ \u66f4\u65b0\u7de9\u5b58\u908f\u8f2f\n});\n\n\/\/ \u66f4\u65b0\u7de9\u5b58\u4e26\u767c\u5e03\u6d88\u606f\nfunction updateCache(key, value) {\n    \/\/ \u66f4\u65b0\u7de9\u5b58\u908f\u8f2f\n    publisher.publish('cache_update', JSON.stringify({ key, value }));\n}\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-redis-%e7%9a%84-keyspace-notifications-DekNuHlLwr\">2. \u4f7f\u7528 Redis \u7684 Keyspace Notifications<\/h3>\n<p>Redis \u7684 Keyspace Notifications \u5141\u8a31\u7528\u6236\u76e3\u807d\u7279\u5b9a\u9375\u7684\u4e8b\u4ef6\uff0c\u4f8b\u5982\u9375\u7684\u904e\u671f\u6216\u522a\u9664\u3002\u9019\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u7de9\u5b58\u7684\u81ea\u52d5\u540c\u6b65\u3002<\/p>\n<pre><code>const redis = require('redis');\nconst client = redis.createClient();\n\n\/\/ \u555f\u7528 Keyspace Notifications\nclient.config('SET', 'notify-keyspace-events', 'Ex');\n\n\/\/ \u76e3\u807d\u904e\u671f\u4e8b\u4ef6\nclient.psubscribe('__keyevent@0__:expired');\n\n\/\/ \u7576\u9375\u904e\u671f\u6642\u57f7\u884c\u7684\u908f\u8f2f\nclient.on('pmessage', (pattern, channel, message) =&gt; {\n    console.log(`Key expired: ${message}`);\n    \/\/ \u66f4\u65b0\u7de9\u5b58\u908f\u8f2f\n});\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-DekNuHlLwr\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5be6\u73fe\u57fa\u65bc Redis \u7684\u7de9\u5b58\u540c\u6b65\u67b6\u69cb\u6642\uff0c\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u5f71\u97ff\uff1a<\/strong>\u983b\u7e41\u7684\u7de9\u5b58\u66f4\u65b0\u53ef\u80fd\u6703\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\uff0c\u56e0\u6b64\u9700\u8981\u5408\u7406\u8a2d\u8a08\u66f4\u65b0\u7b56\u7565\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u7db2\u7d61\u5ef6\u9072\u6216\u6545\u969c\uff0c\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\uff0c\u9700\u8981\u8a2d\u8a08\u76f8\u61c9\u7684\u5bb9\u932f\u6a5f\u5236\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u78ba\u4fdd Redis \u5be6\u4f8b\u7684\u5b89\u5168\u6027\uff0c\u9632\u6b62\u672a\u6388\u6b0a\u7684\u8a2a\u554f\u548c\u6578\u64da\u6d29\u9732\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DekNuHlLwr\">\u7e3d\u7d50<\/h2>\n<p>\u57fa\u65bc Redis \u7684\u7de9\u5b58\u540c\u6b65\u67b6\u69cb\u80fd\u5920\u6709\u6548\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u901a\u904e\u4f7f\u7528 Redis \u7684\u767c\u5e03\/\u8a02\u95b1\u529f\u80fd\u548c Keyspace Notifications\uff0c\u53ef\u4ee5\u5be6\u73fe\u9ad8\u6548\u7684\u7de9\u5b58\u540c\u6b65\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u7de9\u5b58\u540c\u6b65\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u57fa\u65bc Redis \u7684\u7de9\u5b58\u540c\u6b65\u67b6\u69cb\u5be6\u73fe\uff0c\u63d0\u4f9b\u9ad8\u6548\u7684\u7de9\u5b58\u540c\u6b65\u4ee3\u78bc\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u6578\u64da\u4e00\u81f4\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-161365","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161365","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=161365"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161365\/revisions"}],"predecessor-version":[{"id":161366,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161365\/revisions\/161366"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161365"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161365"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}