{"id":159397,"date":"2024-11-03T14:10:23","date_gmt":"2024-11-03T06:10:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159397\/"},"modified":"2024-11-03T14:10:23","modified_gmt":"2024-11-03T06:10:23","slug":"%e7%b4%85%e8%89%b2%e7%9a%84%e8%a8%bb%e9%87%8b%e5%88%a9%e7%94%a8%e7%b7%a9%e5%ad%98%e6%8f%90%e5%8d%87%e6%80%a7%e8%83%bd%ef%bc%88redis%e8%a8%bb%e8%a7%a3%e7%b7%a9%e5%ad%98%e5%84%aa%e5%8c%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159397\/","title":{"rendered":"\u7d05\u8272\u7684\u8a3b\u91cb\u5229\u7528\u7de9\u5b58\u63d0\u5347\u6027\u80fd\uff08redis\u8a3b\u89e3\u7de9\u5b58\u512a\u5316\uff09"},"content":{"rendered":"<h1 id=\"%e7%b4%85%e8%89%b2%e7%9a%84%e8%a8%bb%e9%87%8b%e5%88%a9%e7%94%a8%e7%b7%a9%e5%ad%98%e6%8f%90%e5%8d%87%e6%80%a7%e8%83%bd%ef%bc%88redis%e8%a8%bb%e8%a7%a3%e7%b7%a9%e5%ad%98%e5%84%aa%e5%8c%96%ef%bc%89-LAZFmIDZrf\">\u7d05\u8272\u7684\u8a3b\u91cb\u5229\u7528\u7de9\u5b58\u63d0\u5347\u6027\u80fd\uff08Redis\u8a3b\u89e3\u7de9\u5b58\u512a\u5316\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u7db2\u7ad9\u6027\u80fd\u7684\u512a\u5316\u5df2\u6210\u70ba\u6bcf\u500b\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u7684\u91cd\u8981\u4efb\u52d9\u3002\u96a8\u8457\u7528\u6236\u5c0d\u7db2\u7ad9\u901f\u5ea6\u548c\u97ff\u61c9\u6642\u9593\u7684\u671f\u671b\u4e0d\u65b7\u63d0\u9ad8\uff0c\u7de9\u5b58\u6280\u8853\u7684\u61c9\u7528\u8b8a\u5f97\u6108\u52a0\u91cd\u8981\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\u89e3\u6c7a\u65b9\u6848\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u9032\u884c\u8a3b\u89e3\u7de9\u5b58\u512a\u5316\uff0c\u4ee5\u63d0\u5347\u7db2\u7ad9\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%ef%bc%9f-LAZFmIDZrf\">\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\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u5167\u5b58\u5b58\u53d6\u80fd\u529b\uff0cRedis\u88ab\u5ee3\u6cdb\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u5176\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u9ad8\u6027\u80fd\uff1aRedis\u80fd\u5920\u6bcf\u79d2\u8655\u7406\u6578\u5341\u842c\u6b21\u8acb\u6c42\u3002<\/li>\n<li>\u6301\u4e45\u5316\uff1a\u652f\u6301\u5c07\u6578\u64da\u6301\u4e45\u5316\u5230\u78c1\u789f\uff0c\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u9748\u6d3b\u6027\uff1a\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u9069\u7528\u65bc\u4e0d\u540c\u7684\u61c9\u7528\u5834\u666f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8%e7%b7%a9%e5%ad%98%ef%bc%9f-LAZFmIDZrf\">\u70ba\u4ec0\u9ebc\u4f7f\u7528\u7de9\u5b58\uff1f<\/h2>\n<p>\u7de9\u5b58\u7684\u4e3b\u8981\u76ee\u7684\u662f\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6b21\u6578\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u7576\u7528\u6236\u8acb\u6c42\u6578\u64da\u6642\uff0c\u7cfb\u7d71\u9996\u5148\u6aa2\u67e5\u7de9\u5b58\u4e2d\u662f\u5426\u5b58\u5728\u8a72\u6578\u64da\u3002\u5982\u679c\u5b58\u5728\uff0c\u5247\u76f4\u63a5\u5f9e\u7de9\u5b58\u4e2d\u8fd4\u56de\uff0c\u5426\u5247\u518d\u5f9e\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u4e26\u5c07\u7d50\u679c\u5b58\u5165\u7de9\u5b58\u3002\u9019\u6a23\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8ca0\u64d4\uff0c\u63d0\u9ad8\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8redis%e9%80%b2%e8%a1%8c%e8%a8%bb%e8%a7%a3%e7%b7%a9%e5%ad%98%e5%84%aa%e5%8c%96-LAZFmIDZrf\">\u5982\u4f55\u5229\u7528Redis\u9032\u884c\u8a3b\u89e3\u7de9\u5b58\u512a\u5316<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u9032\u884c\u8a3b\u89e3\u7de9\u5b58\u512a\u5316\u6642\uff0c\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e8%a8%88%e7%b7%a9%e5%ad%98%e7%ad%96%e7%95%a5-LAZFmIDZrf\">1. \u8a2d\u8a08\u7de9\u5b58\u7b56\u7565<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u6839\u64da\u61c9\u7528\u7684\u7279\u9ede\u8a2d\u8a08\u5408\u9069\u7684\u7de9\u5b58\u7b56\u7565\u3002\u5e38\u898b\u7684\u7de9\u5b58\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6642\u9593\u904e\u671f\u7b56\u7565\uff1a<\/strong>\u8a2d\u7f6e\u7de9\u5b58\u7684\u6709\u6548\u671f\uff0c\u904e\u671f\u5f8c\u81ea\u52d5\u522a\u9664\u3002<\/li>\n<li><strong>LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7b56\u7565\uff1a<\/strong>\u7576\u7de9\u5b58\u9054\u5230\u4e0a\u9650\u6642\uff0c\u81ea\u52d5\u522a\u9664\u6700\u5c11\u4f7f\u7528\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e5%af%a6%e7%8f%be%e7%b7%a9%e5%ad%98%e9%82%8f%e8%bc%af-LAZFmIDZrf\">2. \u5be6\u73fe\u7de9\u5b58\u908f\u8f2f<\/h3>\n<p>\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\u5be6\u73fe\u7de9\u5b58\u908f\u8f2f\uff0c\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\ndef get_data(key):\n    # \u5617\u8a66\u5f9e\u7de9\u5b58\u4e2d\u7372\u53d6\u6578\u64da\n    data = r.get(key)\n    if data:\n        return data  # \u5982\u679c\u7de9\u5b58\u4e2d\u6709\u6578\u64da\uff0c\u76f4\u63a5\u8fd4\u56de\n    else:\n        # \u5426\u5247\u5f9e\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u6578\u64da\n        data = query_database(key)\n        # \u5c07\u6578\u64da\u5b58\u5165\u7de9\u5b58\n        r.set(key, data, ex=3600)  # \u8a2d\u7f6e\u7de9\u5b58\u6709\u6548\u671f\u70ba1\u5c0f\u6642\n        return data\n<\/code><\/pre>\n<h3 id=\"3-%e6%b8%ac%e8%a9%a6%e5%92%8c%e7%9b%a3%e6%8e%a7-LAZFmIDZrf\">3. 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id=\"%e7%b5%90%e8%ab%96-LAZFmIDZrf\">\u7d50\u8ad6<\/h2>\n<p>\u5229\u7528Redis\u9032\u884c\u8a3b\u89e3\u7de9\u5b58\u512a\u5316\u662f\u4e00\u7a2e\u6709\u6548\u63d0\u5347\u7db2\u7ad9\u6027\u80fd\u7684\u7b56\u7565\u3002\u901a\u904e\u5408\u7406\u8a2d\u8a08\u7de9\u5b58\u7b56\u7565\u3001\u5be6\u73fe\u7de9\u5b58\u908f\u8f2f\u4ee5\u53ca\u9032\u884c\u6e2c\u8a66\u548c\u76e3\u63a7\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u97ff\u61c9\u901f\u5ea6\u548c\u7528\u6236\u9ad4\u9a57\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u7de9\u5b58\u6280\u8853\u5c07\u5728\u672a\u4f86\u7684\u61c9\u7528\u4e2d\u626e\u6f14\u8d8a\u4f86\u8d8a\u91cd\u8981\u7684\u89d2\u8272\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LAZFmIDZrf\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u7db2\u7ad9\u6027\u80fd\u7684\u512a\u5316\u81f3\u95dc\u91cd\u8981\u3002\u5229\u7528Redis\u9032\u884c\u8a3b\u89e3\u7de9\u5b58\u512a\u5316\uff0c\u4e0d\u50c5\u80fd\u63d0\u9ad8\u97ff\u61c9\u901f\u5ea6\uff0c\u9084\u80fd\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u63d0\u5347\u60a8\u7684\u7db2\u7ad9\u6027\u80fd\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u7d05\u8272\u7684\u8a3b\u91cb\u5982\u4f55\u5229\u7528Redis\u7de9\u5b58\u512a\u5316\u6027\u80fd\uff0c\u63d0\u5347\u61c9\u7528\u6548\u7387\u8207\u97ff\u61c9\u901f\u5ea6\uff0c\u5be6\u73fe\u66f4\u6d41\u66a2\u7684\u7528\u6236\u9ad4\u9a57\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-159397","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159397","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=159397"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159397\/revisions"}],"predecessor-version":[{"id":159398,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159397\/revisions\/159398"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}