{"id":188104,"date":"2024-11-11T19:49:21","date_gmt":"2024-11-11T11:49:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188104\/"},"modified":"2024-11-11T19:49:23","modified_gmt":"2024-11-11T11:49:23","slug":"%e7%9e%ac%e6%81%af%e8%90%ac%e8%ae%8aredis%e7%b7%a9%e5%ad%98%e7%86%b1%e9%bb%9e%e6%95%b8%e6%93%9a%ef%bc%88redis%e7%86%b1%e9%bb%9e%e6%95%b8%e6%93%9a%e5%85%a7%e5%ad%98%e5%8c%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188104\/","title":{"rendered":"\u77ac\u606f\u842c\u8b8aRedis\u7de9\u5b58\u71b1\u9ede\u6578\u64da\uff08redis\u71b1\u9ede\u6578\u64da\u5167\u5b58\u5316\uff09"},"content":{"rendered":"<h1 id=\"%e7%9e%ac%e6%81%af%e8%90%ac%e8%ae%8aredis%e7%b7%a9%e5%ad%98%e7%86%b1%e9%bb%9e%e6%95%b8%e6%93%9a%ef%bc%88redis%e7%86%b1%e9%bb%9e%e6%95%b8%e6%93%9a%e5%85%a7%e5%ad%98%e5%8c%96%ef%bc%89-SExcucmlYU\">\u77ac\u606f\u842c\u8b8aRedis\u7de9\u5b58\u71b1\u9ede\u6578\u64da\uff08redis\u71b1\u9ede\u6578\u64da\u5167\u5b58\u5316\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u5c0d\u65bc\u7528\u6236\u9ad4\u9a57\u81f3\u95dc\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\u71b1\u9ede\u6578\u64da\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u5728\u7de9\u5b58\u71b1\u9ede\u6578\u64da\u65b9\u9762\u7684\u61c9\u7528\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u8853\u7d30\u7bc0\u548c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%86%b1%e9%bb%9e%e6%95%b8%e6%93%9a%ef%bc%9f-SExcucmlYU\">\u4ec0\u9ebc\u662f\u71b1\u9ede\u6578\u64da\uff1f<\/h2>\n<p>\u71b1\u9ede\u6578\u64da\u662f\u6307\u5728\u7279\u5b9a\u6642\u9593\u5167\u88ab\u983b\u7e41\u8a2a\u554f\u7684\u6578\u64da\u3002\u9019\u4e9b\u6578\u64da\u901a\u5e38\u6703\u5c0e\u81f4\u7cfb\u7d71\u7684\u6027\u80fd\u74f6\u9838\uff0c\u56e0\u70ba\u5927\u91cf\u7684\u8acb\u6c42\u96c6\u4e2d\u5728\u5c11\u6578\u5e7e\u500b\u6578\u64da\u4e0a\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u5728\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u4e2d\uff0c\u67d0\u4e9b\u71b1\u9580\u5546\u54c1\u7684\u8a73\u7d30\u4fe1\u606f\u53ef\u80fd\u6703\u6210\u70ba\u71b1\u9ede\u6578\u64da\uff0c\u56e0\u70ba\u5b83\u5011\u7d93\u5e38\u88ab\u7528\u6236\u67e5\u8a62\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%84%aa%e5%8b%a2-SExcucmlYU\">Redis\u7684\u512a\u52e2<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u512a\u52e2\uff0c\u4f7f\u5176\u6210\u70ba\u7de9\u5b58\u71b1\u9ede\u6578\u64da\u7684\u7406\u60f3\u9078\u64c7\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u80fd\u5920\u4ee5\u6beb\u79d2\u7d1a\u7684\u901f\u5ea6\u8655\u7406\u6578\u64da\u8acb\u6c42\uff0c\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u7528\u65bc\u7de9\u5b58\u71b1\u9ede\u6578\u64da\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\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u9748\u6d3b\u5730\u61c9\u5c0d\u4e0d\u540c\u7684\u6578\u64da\u9700\u6c42\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u9078\u9805\uff1a<\/strong>Redis\u63d0\u4f9b\u591a\u7a2e\u6301\u4e45\u5316\u6a5f\u5236\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u91cd\u555f\u5f8c\u6062\u5fa9\u6578\u64da\uff0c\u9019\u5c0d\u65bc\u71b1\u9ede\u6578\u64da\u7684\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e7%b7%a9%e5%ad%98%e7%86%b1%e9%bb%9e%e6%95%b8%e6%93%9a-SExcucmlYU\">\u5982\u4f55\u4f7f\u7528Redis\u7de9\u5b58\u71b1\u9ede\u6578\u64da<\/h2>\n<p>\u4f7f\u7528Redis\u7de9\u5b58\u71b1\u9ede\u6578\u64da\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e5%ae%9a%e7%86%b1%e9%bb%9e%e6%95%b8%e6%93%9a-SExcucmlYU\">1. \u78ba\u5b9a\u71b1\u9ede\u6578\u64da<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u901a\u904e\u6578\u64da\u5206\u6790\u5de5\u5177\u78ba\u5b9a\u54ea\u4e9b\u6578\u64da\u662f\u71b1\u9ede\u6578\u64da\u3002\u9019\u53ef\u4ee5\u901a\u904e\u76e3\u63a7\u7cfb\u7d71\u7684\u8acb\u6c42\u65e5\u8a8c\u4f86\u5be6\u73fe\uff0c\u627e\u51fa\u8a2a\u554f\u983b\u7387\u6700\u9ad8\u7684\u6578\u64da\u3002<\/p>\n<h3 id=\"2-%e8%a8%ad%e7%bd%aeredis%e7%b7%a9%e5%ad%98-SExcucmlYU\">2. \u8a2d\u7f6eRedis\u7de9\u5b58<\/h3>\n<p>\u4e00\u65e6\u78ba\u5b9a\u4e86\u71b1\u9ede\u6578\u64da\uff0c\u5c31\u53ef\u4ee5\u5c07\u5176\u5b58\u5132\u5230Redis\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Python\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5c07\u6578\u64da\u5b58\u5132\u5230Redis\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# \u5c07\u71b1\u9ede\u6578\u64da\u5b58\u5132\u5230Redis\nr.set('hot_item_1', '\u9019\u662f\u4e00\u500b\u71b1\u9580\u5546\u54c1\u7684\u8a73\u7d30\u4fe1\u606f')\n<\/code><\/pre>\n<h3 id=\"3-%e8%a8%aa%e5%95%8f%e7%b7%a9%e5%ad%98%e6%95%b8%e6%93%9a-SExcucmlYU\">3. \u8a2a\u554f\u7de9\u5b58\u6578\u64da<\/h3>\n<p>\u7576\u7528\u6236\u8acb\u6c42\u71b1\u9ede\u6578\u64da\u6642\uff0c\u9996\u5148\u6aa2\u67e5Redis\u7de9\u5b58\u3002\u5982\u679c\u6578\u64da\u5b58\u5728\u65bc\u7de9\u5b58\u4e2d\uff0c\u5247\u76f4\u63a5\u8fd4\u56de\uff1b\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u5f9e\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u4e26\u66f4\u65b0\u7de9\u5b58\u3002\u4ee5\u4e0b\u662f\u8a2a\u554f\u7de9\u5b58\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>def get_hot_item(item_id):\n    # \u5617\u8a66\u5f9eRedis\u4e2d\u7372\u53d6\u6578\u64da\n    item = r.get(item_id)\n    if item:\n        return item\n    else:\n        # \u5982\u679c\u4e0d\u5728\u7de9\u5b58\u4e2d\uff0c\u5f9e\u6578\u64da\u5eab\u67e5\u8a62\n        item = query_database(item_id)\n        # \u66f4\u65b0Redis\u7de9\u5b58\n        r.set(item_id, item)\n        return item\n<\/code><\/pre>\n<h2 id=\"%e7%b7%a9%e5%ad%98%e5%a4%b1%e6%95%88%e7%ad%96%e7%95%a5-SExcucmlYU\">\u7de9\u5b58\u5931\u6548\u7b56\u7565<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u7de9\u5b58\u71b1\u9ede\u6578\u64da\u6642\uff0c\u5fc5\u9808\u8003\u616e\u7de9\u5b58\u5931\u6548\u7b56\u7565\u3002\u5e38\u898b\u7684\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6642\u9593\u5931\u6548\uff1a<\/strong>\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u8d85\u904e\u8a72\u6642\u9593\u5f8c\u81ea\u52d5\u522a\u9664\u7de9\u5b58\u3002<\/li>\n<li><strong>\u4e3b\u52d5\u5931\u6548\uff1a<\/strong>\u7576\u6578\u64da\u66f4\u65b0\u6642\uff0c\u4e3b\u52d5\u522a\u9664\u6216\u66f4\u65b0\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-SExcucmlYU\">\u7d50\u8ad6<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u71b1\u9ede\u6578\u64da\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u3002\u901a\u904e\u5408\u7406\u7684\u7de9\u5b58\u7b56\u7565\u548c\u5931\u6548\u6a5f\u5236\uff0c\u53ef\u4ee5\u78ba\u4fdd\u7528\u6236\u7372\u5f97\u5feb\u901f\u7684\u6578\u64da\u8a2a\u554f\u9ad4\u9a57\u3002\u5c0d\u65bc\u5e0c\u671b\u63d0\u5347\u61c9\u7528\u6027\u80fd\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0cRedis\u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684Redis\u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u77ac\u606f\u842c\u8b8a\u7684Redis\u7de9\u5b58\u71b1\u9ede\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u5b58\u53d6\u6548\u7387\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u5167\u5b58\u5316\u7ba1\u7406\u8207\u512a\u5316\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-188104","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188104","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=188104"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188104\/revisions"}],"predecessor-version":[{"id":188105,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188104\/revisions\/188105"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}