{"id":195453,"date":"2024-11-13T15:07:20","date_gmt":"2024-11-13T07:07:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195453\/"},"modified":"2024-11-13T15:07:21","modified_gmt":"2024-11-13T07:07:21","slug":"%e8%88%87%e5%af%a6%e7%8f%be%e5%9f%ba%e6%96%bcredis%e7%9a%84%e9%ab%98%e6%95%88%e7%b7%a9%e5%ad%98%e8%a8%ad%e8%a8%88%e8%88%87%e5%af%a6%e7%8f%be%ef%bc%88redis%e7%b7%a9%e5%ad%98%e7%9a%84%e8%a8%ad%e8%a8%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195453\/","title":{"rendered":"\u8207\u5be6\u73fe\u57fa\u65bcRedis\u7684\u9ad8\u6548\u7de9\u5b58\u8a2d\u8a08\u8207\u5be6\u73fe\uff08redis\u7de9\u5b58\u7684\u8a2d\u8a08\uff09"},"content":{"rendered":"<h1 id=\"%e8%88%87%e5%af%a6%e7%8f%be%e5%9f%ba%e6%96%bcredis%e7%9a%84%e9%ab%98%e6%95%88%e7%b7%a9%e5%ad%98%e8%a8%ad%e8%a8%88%e8%88%87%e5%af%a6%e7%8f%be%ef%bc%88redis%e7%b7%a9%e5%ad%98%e7%9a%84%e8%a8%ad%e8%a8%88-EYnpHyxqHR\">\u8207\u5be6\u73fe\u57fa\u65bcRedis\u7684\u9ad8\u6548\u7de9\u5b58\u8a2d\u8a08\u8207\u5be6\u73fe\uff08redis\u7de9\u5b58\u7684\u8a2d\u8a08\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u662f\u7528\u6236\u9ad4\u9a57\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002\u70ba\u4e86\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\uff0c\u7de9\u5b58\u6280\u8853\u6210\u70ba\u4e86\u4e0d\u53ef\u6216\u7f3a\u7684\u89e3\u6c7a\u65b9\u6848\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u8a2d\u8a08\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u8a2d\u8a08\u548c\u5be6\u73fe\u57fa\u65bcRedis\u7684\u9ad8\u6548\u7de9\u5b58\u7cfb\u7d71\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%ef%bc%9f-EYnpHyxqHR\">\u4ec0\u9ebc\u662fRedis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\uff0cRedis\u88ab\u5ee3\u6cdb\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8redis%e4%bd%9c%e7%82%ba%e7%b7%a9%e5%ad%98%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%ef%bc%9f-EYnpHyxqHR\">\u70ba\u4ec0\u9ebc\u4f7f\u7528Redis\u4f5c\u70ba\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff1f<\/h2>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u7684\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u80fd\u5920\u652f\u6301\u6bcf\u79d2\u6578\u5341\u842c\u6b21\u7684\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\uff1a<\/strong>Redis\u652f\u6301\u6578\u64da\u6301\u4e45\u5316\uff0c\u53ef\u4ee5\u5c07\u5167\u5b58\u4e2d\u7684\u6578\u64da\u5b9a\u671f\u4fdd\u5b58\u5230\u78c1\u789f\u4e2d\uff0c\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li><strong>\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u80fd\u5920\u6eff\u8db3\u4e0d\u540c\u7684\u61c9\u7528\u9700\u6c42\u3002<\/li>\n<li><strong>\u5206\u4f48\u5f0f\u652f\u6301\uff1a<\/strong>Redis Cluster\u53ef\u4ee5\u5be6\u73fe\u6578\u64da\u7684\u5206\u4f48\u5f0f\u5b58\u5132\uff0c\u63d0\u5347\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e7%b7%a9%e5%ad%98%e8%a8%ad%e8%a8%88%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e5%89%87-EYnpHyxqHR\">Redis\u7de9\u5b58\u8a2d\u8a08\u7684\u57fa\u672c\u539f\u5247<\/h2>\n<p>\u5728\u8a2d\u8a08\u57fa\u65bcRedis\u7684\u7de9\u5b58\u7cfb\u7d71\u6642\uff0c\u61c9\u9075\u5faa\u4ee5\u4e0b\u5e7e\u500b\u57fa\u672c\u539f\u5247\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e5%ae%9a%e7%b7%a9%e5%ad%98%e7%9a%84%e7%af%84%e5%9c%8d-EYnpHyxqHR\">1. \u78ba\u5b9a\u7de9\u5b58\u7684\u7bc4\u570d<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u660e\u78ba\u54ea\u4e9b\u6578\u64da\u9700\u8981\u88ab\u7de9\u5b58\u3002\u901a\u5e38\uff0c\u983b\u7e41\u8a2a\u554f\u4e14\u4e0d\u7d93\u5e38\u8b8a\u66f4\u7684\u6578\u64da\u662f\u7de9\u5b58\u7684\u6700\u4f73\u5019\u9078\u8005\u3002\u4f8b\u5982\uff0c\u7528\u6236\u8cc7\u6599\u3001\u7522\u54c1\u4fe1\u606f\u7b49\u3002<\/p>\n<h3 id=\"2-%e8%a8%ad%e5%ae%9a%e7%b7%a9%e5%ad%98%e7%ad%96%e7%95%a5-EYnpHyxqHR\">2. \u8a2d\u5b9a\u7de9\u5b58\u7b56\u7565<\/h3>\n<p>\u7de9\u5b58\u7b56\u7565\u6c7a\u5b9a\u4e86\u6578\u64da\u4f55\u6642\u88ab\u6dfb\u52a0\u5230\u7de9\u5b58\u4e2d\uff0c\u4f55\u6642\u88ab\u79fb\u9664\u3002\u5e38\u898b\u7684\u7de9\u5b58\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>LRU\uff08Least Recently Used\uff09\uff1a<\/strong>\u7576\u7de9\u5b58\u6eff\u6642\uff0c\u79fb\u9664\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u6578\u64da\u3002<\/li>\n<li><strong>TTL\uff08Time To Live\uff09\uff1a<\/strong>\u70ba\u6bcf\u500b\u7de9\u5b58\u9805\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u904e\u671f\u5f8c\u81ea\u52d5\u79fb\u9664\u3002<\/li>\n<\/ul>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e4%b8%80%e8%87%b4%e6%80%a7-EYnpHyxqHR\">3. \u6578\u64da\u4e00\u81f4\u6027<\/h3>\n<p>\u5728\u4f7f\u7528\u7de9\u5b58\u6642\uff0c\u6578\u64da\u7684\u4e00\u81f4\u6027\u662f\u9700\u8981\u8003\u616e\u7684\u91cd\u8981\u554f\u984c\u3002\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u7de9\u5b58\u5931\u6548\u7b56\u7565\u6216\u5728\u6578\u64da\u66f4\u65b0\u6642\u540c\u6b65\u66f4\u65b0\u7de9\u5b58\u4f86\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002<\/p>\n<h2 id=\"redis%e7%b7%a9%e5%ad%98%e7%9a%84%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-EYnpHyxqHR\">Redis\u7de9\u5b58\u7684\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u9032\u884c\u7de9\u5b58\u8a2d\u8a08\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\u670d\u52d9\u5668\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u8a2d\u7f6e\u7de9\u5b58\ndef set_cache(key, value, ttl):\n    r.set(key, value, ex=ttl)\n\n# \u7372\u53d6\u7de9\u5b58\ndef get_cache(key):\n    return r.get(key)\n\n# \u4f7f\u7528\u793a\u4f8b\nset_cache('user:1000', 'John Doe', 3600)  # \u8a2d\u7f6e\u7528\u6236\u7de9\u5b58\uff0cTTL\u70ba1\u5c0f\u6642\nuser = get_cache('user:1000')\nprint(user)  # \u8f38\u51fa: John Doe\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-EYnpHyxqHR\">\u7d50\u8ad6<\/h2>\n<p>\u57fa\u65bcRedis\u7684\u9ad8\u6548\u7de9\u5b58\u8a2d\u8a08\u80fd\u5920\u986f\u8457\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u5728\u8a2d\u8a08\u7de9\u5b58\u7cfb\u7d71\u6642\uff0c\u9700\u8003\u616e\u7de9\u5b58\u7684\u7bc4\u570d\u3001\u7b56\u7565\u53ca\u6578\u64da\u4e00\u81f4\u6027\u7b49\u56e0\u7d20\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0cRedis\u53ef\u4ee5\u6210\u70ba\u4e00\u500b\u5f37\u5927\u7684\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u69cb\u5efa\u9ad8\u6548\u7684\u61c9\u7528\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u57fa\u65bcRedis\u7684\u9ad8\u6548\u7de9\u5b58\u8a2d\u8a08\u8207\u5be6\u73fe\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u512a\u5316\u6578\u64da\u5b58\u53d6\u901f\u5ea6\uff0c\u5be6\u73fe\u9ad8\u6548\u80fd\u61c9\u7528\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-195453","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195453","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=195453"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195453\/revisions"}],"predecessor-version":[{"id":195454,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195453\/revisions\/195454"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}