{"id":166723,"date":"2024-11-05T18:56:33","date_gmt":"2024-11-05T10:56:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/166723\/"},"modified":"2024-11-05T18:56:33","modified_gmt":"2024-11-05T10:56:33","slug":"%e7%aa%ba%e6%8e%a2redis%e8%b7%b3%e8%a1%a8%e7%9a%84%e9%81%b8%e6%93%87%e4%b9%8b%e9%81%93%ef%bc%88redis%e8%b7%b3%e8%a1%a8%e9%81%b8%e6%93%87%e5%b1%a4%e6%95%b8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/166723\/","title":{"rendered":"\u7aba\u63a2Redis\u8df3\u8868\u7684\u9078\u64c7\u4e4b\u9053\uff08redis\u8df3\u8868\u9078\u64c7\u5c64\u6578\uff09"},"content":{"rendered":"<h1 id=\"%e7%aa%ba%e6%8e%a2redis%e8%b7%b3%e8%a1%a8%e7%9a%84%e9%81%b8%e6%93%87%e4%b9%8b%e9%81%93%ef%bc%88redis%e8%b7%b3%e8%a1%a8%e9%81%b8%e6%93%87%e5%b1%a4%e6%95%b8%ef%bc%89-ELvveNQLMy\">\u7aba\u63a2Redis\u8df3\u8868\u7684\u9078\u64c7\u4e4b\u9053\uff08redis\u8df3\u8868\u9078\u64c7\u5c64\u6578\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u8655\u7406\u548c\u5b58\u5132\u9818\u57df\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u5176\u4e2d\uff0c\u8df3\u8868\uff08Skip 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n)\u3002\u5728Redis\u4e2d\uff0c\u8df3\u8868\u4e3b\u8981\u7528\u65bc\u5be6\u73fe\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u5728\u9ad8\u6548\u7684\u6642\u9593\u5167\u9032\u884c\u7bc4\u570d\u67e5\u8a62\u548c\u6392\u5e8f\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e8%b7%b3%e8%a1%a8%e7%9a%84%e7%b5%90%e6%a7%8b-ELvveNQLMy\">\u8df3\u8868\u7684\u7d50\u69cb<\/h2>\n<p>\u8df3\u8868\u7531\u591a\u5c64\u93c8\u8868\u7d44\u6210\uff0c\u6bcf\u4e00\u5c64\u90fd\u662f\u4e00\u500b\u6709\u5e8f\u93c8\u8868\u3002\u6700\u5e95\u5c64\u7684\u93c8\u8868\u5305\u542b\u6240\u6709\u7684\u5143\u7d20\uff0c\u800c\u4e0a\u5c64\u7684\u93c8\u8868\u5247\u662f\u5e95\u5c64\u93c8\u8868\u7684\u5b50\u96c6\u3002\u6bcf\u500b\u5143\u7d20\u5728\u4e0a\u5c64\u93c8\u8868\u4e2d\u7684\u51fa\u73fe\u6982\u7387\u901a\u5e38\u662f1\/2\uff0c\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97\u8df3\u8868\u80fd\u5920\u5728\u67e5\u627e\u6642\u5feb\u901f\u8df3\u904e\u5927\u91cf\u4e0d\u5fc5\u8981\u7684\u5143\u7d20\u3002<\/p>\n<h2 id=\"%e9%81%b8%e6%93%87%e8%b7%b3%e8%a1%a8%e5%b1%a4%e6%95%b8%e7%9a%84%e8%80%83%e9%87%8f-ELvveNQLMy\">\u9078\u64c7\u8df3\u8868\u5c64\u6578\u7684\u8003\u91cf<\/h2>\n<p>\u9078\u64c7\u8df3\u8868\u7684\u5c64\u6578\u662f\u4e00\u500b\u95dc\u9375\u7684\u8a2d\u8a08\u6c7a\u7b56\uff0c\u9019\u76f4\u63a5\u5f71\u97ff\u5230\u67e5\u627e\u3001\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u7684\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u5e7e\u500b\u8003\u91cf\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u91cf\uff1a<\/strong>\u8df3\u8868\u7684\u5c64\u6578\u61c9\u6839\u64da\u9810\u671f\u7684\u6578\u64da\u91cf\u4f86\u9078\u64c7\u3002\u6578\u64da\u91cf\u8d8a\u5927\uff0c\u6240\u9700\u7684\u5c64\u6578\u901a\u5e38\u4e5f\u8d8a\u591a\uff0c\u4ee5\u4fdd\u6301\u67e5\u627e\u6548\u7387\u3002<\/li>\n<li><strong>\u67e5\u627e\u6548\u7387\uff1a<\/strong>\u5c64\u6578\u8d8a\u591a\uff0c\u67e5\u627e\u64cd\u4f5c\u7684\u6548\u7387\u8d8a\u9ad8\uff0c\u4f46\u540c\u6642\u4e5f\u6703\u589e\u52a0\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u7684\u8907\u96dc\u5ea6\u3002\u56e0\u6b64\uff0c\u9700\u8981\u5728\u67e5\u627e\u6548\u7387\u548c\u64cd\u4f5c\u6210\u672c\u4e4b\u9593\u627e\u5230\u5e73\u8861\u3002<\/li>\n<li><strong>\u96a8\u6a5f\u6027\uff1a<\/strong>\u8df3\u8868\u7684\u6027\u80fd\u4f9d\u8cf4\u65bc\u96a8\u6a5f\u6027\uff0c\u5c64\u6578\u7684\u9078\u64c7\u61c9\u8003\u616e\u5230\u96a8\u6a5f\u5316\u7684\u5f71\u97ff\u3002\u901a\u5e38\uff0c\u4f7f\u7528\u96a8\u6a5f\u5316\u7b97\u6cd5\u4f86\u6c7a\u5b9a\u6bcf\u500b\u5143\u7d20\u7684\u5c64\u6578\u662f\u6709\u6548\u7684\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%b1%a4%e6%95%b8%e7%9a%84%e8%a8%88%e7%ae%97-ELvveNQLMy\">\u5c64\u6578\u7684\u8a08\u7b97<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u9078\u64c7\u8df3\u8868\u5c64\u6578\u7684\u4e00\u500b\u5e38\u898b\u65b9\u6cd5\u662f\u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\uff1a<\/p>\n<pre><code>\u5c64\u6578 = log2(\u6578\u64da\u91cf)<\/code><\/pre>\n<p>\u9019\u500b\u516c\u5f0f\u63d0\u4f9b\u4e86\u4e00\u500b\u7406\u8ad6\u4e0a\u7684\u5c64\u6578\u9078\u64c7\uff0c\u4f46\u5be6\u969b\u4e0a\uff0c\u6839\u64da\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\u548c\u6027\u80fd\u9700\u6c42\uff0c\u53ef\u80fd\u9700\u8981\u9032\u884c\u8abf\u6574\u3002\u4f8b\u5982\uff0c\u5982\u679c\u9810\u671f\u7684\u6578\u64da\u91cf\u70ba1000\uff0c\u5247\u7406\u8ad6\u4e0a\u9700\u8981\u7684\u5c64\u6578\u70ba\uff1a<\/p>\n<pre><code>\u5c64\u6578 = log2(1000) \u2248 10<\/code><\/pre>\n<p>\u7136\u800c\uff0c\u6839\u64da\u5be6\u969b\u6027\u80fd\u6e2c\u8a66\uff0c\u53ef\u80fd\u6703\u9078\u64c79\u621611\u5c64\uff0c\u4ee5\u9054\u5230\u6700\u4f73\u7684\u67e5\u627e\u548c\u64cd\u4f5c\u6548\u7387\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e4%b8%ad%e7%9a%84%e8%80%83%e9%87%8f-ELvveNQLMy\">\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u8003\u91cf<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u9078\u64c7\u8df3\u8868\u5c64\u6578\u7684\u904e\u7a0b\u901a\u5e38\u9700\u8981\u9032\u884c\u591a\u6b21\u6e2c\u8a66\u548c\u8abf\u6574\u3002\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u7684\u6578\u64da\u7279\u6027\u548c\u64cd\u4f5c\u9700\u6c42\uff0c\u4f7f\u7528\u6027\u80fd\u76e3\u63a7\u5de5\u5177\u4f86\u8a55\u4f30\u4e0d\u540c\u5c64\u6578\u4e0b\u7684\u6027\u80fd\u8868\u73fe\u3002\u9019\u6a23\u7684\u8fed\u4ee3\u904e\u7a0b\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u627e\u5230\u6700\u9069\u5408\u5176\u61c9\u7528\u7684\u8df3\u8868\u5c64\u6578\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-ELvveNQLMy\">\u7d50\u8ad6<\/h2>\n<p>Redis\u8df3\u8868\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\uff0c\u5176\u5c64\u6578\u7684\u9078\u64c7\u5c0d\u65bc\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u8003\u616e\u6578\u64da\u91cf\u3001\u67e5\u627e\u6548\u7387\u548c\u96a8\u6a5f\u6027\u7b49\u56e0\u7d20\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9078\u64c7\u5408\u9069\u7684\u5c64\u6578\u4f86\u512a\u5316\u5176\u61c9\u7528\u7684\u6027\u80fd\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u6301\u7e8c\u7684\u6027\u80fd\u6e2c\u8a66\u548c\u8abf\u6574\u5c07\u662f\u78ba\u4fdd\u7cfb\u7d71\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u9ad8\u6548\u6578\u64da\u5b58\u5132\u548c\u8655\u7406\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u63a2\u7d22\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u8df3\u8868\u7684\u5c64\u6578\u9078\u64c7\u7b56\u7565\uff0c\u4e86\u89e3\u5982\u4f55\u512a\u5316\u6027\u80fd\u8207\u5b58\u5132\u6548\u7387\uff0c\u63d0\u5347\u6578\u64da\u7d50\u69cb\u7684\u4f7f\u7528\u6548\u679c\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-166723","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166723","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=166723"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166723\/revisions"}],"predecessor-version":[{"id":166724,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166723\/revisions\/166724"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=166723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=166723"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=166723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}