{"id":194411,"date":"2024-11-13T06:26:19","date_gmt":"2024-11-12T22:26:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194411\/"},"modified":"2024-11-13T06:26:20","modified_gmt":"2024-11-12T22:26:20","slug":"%e6%87%89%e7%94%a8redis%e4%b8%ad%e8%b7%b3%e8%ba%8d%e8%a1%a8%e5%af%a6%e7%8f%be%e7%9a%84%e5%a0%b4%e6%99%af%e6%87%89%e7%94%a8%e7%a0%94%e7%a9%b6%ef%bc%88redis%e8%b7%b3%e8%ba%8d%e8%a1%a8%e5%a0%b4%e6%99%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194411\/","title":{"rendered":"\u61c9\u7528Redis\u4e2d\u8df3\u8e8d\u8868\u5be6\u73fe\u7684\u5834\u666f\u61c9\u7528\u7814\u7a76\uff08redis\u8df3\u8e8d\u8868\u5834\u666f\uff09"},"content":{"rendered":"<h1 id=\"%e6%87%89%e7%94%a8redis%e4%b8%ad%e8%b7%b3%e8%ba%8d%e8%a1%a8%e5%af%a6%e7%8f%be%e7%9a%84%e5%a0%b4%e6%99%af%e6%87%89%e7%94%a8%e7%a0%94%e7%a9%b6-LmVXFjrRgk\">\u61c9\u7528Redis\u4e2d\u8df3\u8e8d\u8868\u5be6\u73fe\u7684\u5834\u666f\u61c9\u7528\u7814\u7a76<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u6210\u70ba\u4e86\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u7684\u6838\u5fc3\u9700\u6c42\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\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\u4f7f\u7528\u3002\u5176\u4e2d\uff0c\u8df3\u8e8d\u8868\uff08Skip List\uff09\u4f5c\u70baRedis\u7684\u4e00\u7a2e\u5167\u90e8\u6578\u64da\u7d50\u69cb\uff0c\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u67e5\u627e\u3001\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\uff0c\u7279\u5225\u9069\u5408\u65bc\u9700\u8981\u5feb\u901f\u96a8\u6a5f\u8a2a\u554f\u7684\u5834\u666f\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u4e2d\u8df3\u8e8d\u8868\u7684\u5be6\u73fe\u53ca\u5176\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"%e8%b7%b3%e8%ba%8d%e8%a1%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-LmVXFjrRgk\">\u8df3\u8e8d\u8868\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u8df3\u8e8d\u8868\u662f\u4e00\u7a2e\u96a8\u6a5f\u5316\u7684\u6578\u64da\u7d50\u69cb\uff0c\u65e8\u5728\u63d0\u9ad8\u93c8\u8868\u7684\u67e5\u627e\u6548\u7387\u3002\u5b83\u901a\u904e\u591a\u5c64\u93c8\u8868\u7684\u65b9\u5f0f\uff0c\u5c07\u5143\u7d20\u5206\u5c64\u5b58\u5132\uff0c\u4f7f\u5f97\u67e5\u627e\u64cd\u4f5c\u7684\u6642\u9593\u8907\u96dc\u5ea6\u5e73\u5747\u70baO(log n)\u3002\u9019\u7a2e\u7d50\u69cb\u7684\u512a\u52e2\u5728\u65bc\uff0c\u5b83\u4e0d\u50c5\u80fd\u5920\u4fdd\u6301\u5143\u7d20\u7684\u6709\u5e8f\u6027\uff0c\u9084\u80fd\u5920\u5728\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u4e2d\u4fdd\u6301\u8f03\u9ad8\u7684\u6548\u7387\u3002<\/p>\n<h2 id=\"redis%e4%b8%ad%e7%9a%84%e8%b7%b3%e8%ba%8d%e8%a1%a8%e5%af%a6%e7%8f%be-LmVXFjrRgk\">Redis\u4e2d\u7684\u8df3\u8e8d\u8868\u5be6\u73fe<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u8df3\u8e8d\u8868\u4e3b\u8981\u7528\u65bc\u5be6\u73fe\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u3002\u6709\u5e8f\u96c6\u5408\u662f\u4e00\u7a2e\u53ef\u4ee5\u6839\u64da\u5206\u6578\uff08score\uff09\u9032\u884c\u6392\u5e8f\u7684\u6578\u64da\u7d50\u69cb\uff0c\u4e26\u4e14\u652f\u6301\u5feb\u901f\u7684\u67e5\u627e\u548c\u7bc4\u570d\u67e5\u8a62\u3002Redis\u7684\u6709\u5e8f\u96c6\u5408\u4f7f\u7528\u8df3\u8e8d\u8868\u4f86\u5be6\u73fe\u5176\u5e95\u5c64\u6578\u64da\u7d50\u69cb\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u4ecd\u80fd\u4fdd\u6301\u9ad8\u6548\u7684\u6027\u80fd\u3002<\/p>\n<h3 id=\"%e8%b7%b3%e8%ba%8d%e8%a1%a8%e7%9a%84%e7%b5%90%e6%a7%8b-LmVXFjrRgk\">\u8df3\u8e8d\u8868\u7684\u7d50\u69cb<\/h3>\n<p>\u8df3\u8e8d\u8868\u7531\u591a\u5c64\u93c8\u8868\u7d44\u6210\uff0c\u6bcf\u4e00\u5c64\u90fd\u662f\u4e00\u500b\u6709\u5e8f\u7684\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\u4e0d\u540c\u5c64\u7d1a\u7684\u51fa\u73fe\u662f\u96a8\u6a5f\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u4fdd\u8b49\u67e5\u627e\u7684\u6548\u7387\u3002\u4ee5\u4e0b\u662f\u8df3\u8e8d\u8868\u7684\u57fa\u672c\u7d50\u69cb\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nclass SkipListNode {\n    int value;\n    SkipListNode[] forward; \/\/ \u6307\u5411\u4e0b\u4e00\u5c64\u7684\u6307\u91dd\n    \/\/ \u69cb\u9020\u51fd\u6578\n    SkipListNode(int value, int level) {\n        this.value = value;\n        this.forward = new SkipListNode[level + 1];\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e8%b7%b3%e8%ba%8d%e8%a1%a8%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-LmVXFjrRgk\">\u8df3\u8e8d\u8868\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<h3 id=\"1-%e6%8e%92%e8%a1%8c%e6%a6%9c%e7%b3%bb%e7%b5%b1-LmVXFjrRgk\">1. \u6392\u884c\u699c\u7cfb\u7d71<\/h3>\n<p>\u5728\u904a\u6232\u6216\u793e\u4ea4\u5a92\u9ad4\u61c9\u7528\u4e2d\uff0c\u6392\u884c\u699c\u7cfb\u7d71\u9700\u8981\u5feb\u901f\u66f4\u65b0\u548c\u67e5\u8a62\u7528\u6236\u7684\u5206\u6578\u3002\u4f7f\u7528Redis\u7684\u6709\u5e8f\u96c6\u5408\uff0c\u642d\u914d\u8df3\u8e8d\u8868\uff0c\u53ef\u4ee5\u5be6\u73fe\u9ad8\u6548\u7684\u5206\u6578\u66f4\u65b0\u548c\u6392\u540d\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u7576\u7528\u6236\u7684\u5206\u6578\u8b8a\u52d5\u6642\uff0c\u53ea\u9700\u5728\u6709\u5e8f\u96c6\u5408\u4e2d\u9032\u884c\u4e00\u6b21\u63d2\u5165\u6216\u66f4\u65b0\u64cd\u4f5c\uff0c\u4fbf\u53ef\u5feb\u901f\u7372\u5f97\u7576\u524d\u6392\u540d\u3002<\/p>\n<h3 id=\"2-%e5%af%a6%e6%99%82%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90-LmVXFjrRgk\">2. \u5be6\u6642\u6578\u64da\u5206\u6790<\/h3>\n<p>\u5728\u9700\u8981\u5be6\u6642\u5206\u6790\u7684\u5834\u666f\u4e2d\uff0c\u5982\u7db2\u7ad9\u6d41\u91cf\u76e3\u63a7\u6216\u91d1\u878d\u6578\u64da\u5206\u6790\uff0c\u8df3\u8e8d\u8868\u80fd\u5920\u5feb\u901f\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u67e5\u8a62\u548c\u66f4\u65b0\u3002\u901a\u904eRedis\u7684\u6709\u5e8f\u96c6\u5408\uff0c\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u5c0d\u6578\u64da\u7684\u5373\u6642\u7d71\u8a08\u548c\u67e5\u8a62\uff0c\u5f9e\u800c\u652f\u6301\u5373\u6642\u6c7a\u7b56\u3002<\/p>\n<h3 id=\"3-%e8%a8%82%e5%96%ae%e7%b3%bb%e7%b5%b1-LmVXFjrRgk\">3. \u8a02\u55ae\u7cfb\u7d71<\/h3>\n<p>\u5728\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4e2d\uff0c\u8a02\u55ae\u7cfb\u7d71\u9700\u8981\u5c0d\u8a02\u55ae\u9032\u884c\u6392\u5e8f\u548c\u67e5\u8a62\u3002\u4f7f\u7528Redis\u7684\u8df3\u8e8d\u8868\uff0c\u53ef\u4ee5\u5feb\u901f\u67e5\u8a62\u67d0\u4e00\u6642\u9593\u6bb5\u5167\u7684\u8a02\u55ae\uff0c\u4e26\u4e14\u652f\u6301\u9ad8\u6548\u7684\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LmVXFjrRgk\">\u7e3d\u7d50<\/h2>\n<p>\u8df3\u8e8d\u8868\u4f5c\u70baRedis\u4e2d\u7684\u4e00\u7a2e\u9ad8\u6548\u6578\u64da\u7d50\u69cb\uff0c\u70ba\u8a31\u591a\u9700\u8981\u5feb\u901f\u67e5\u8a62\u548c\u66f4\u65b0\u7684\u61c9\u7528\u5834\u666f\u63d0\u4f9b\u4e86\u7406\u60f3\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u7121\u8ad6\u662f\u5728\u6392\u884c\u699c\u7cfb\u7d71\u3001\u5be6\u6642\u6578\u64da\u5206\u6790\u9084\u662f\u8a02\u55ae\u7cfb\u7d71\u4e2d\uff0c\u8df3\u8e8d\u8868\u90fd\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u548c\u6548\u7387\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u9ad8\u6548\u80fd\u7684\u6578\u64da\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u5c07\u662f\u63d0\u5347\u696d\u52d9\u904b\u71df\u7684\u91cd\u8981\u4e00\u6b65\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7814\u7a76Redis\u4e2d\u8df3\u8e8d\u8868\u7684\u61c9\u7528\u5834\u666f\uff0c\u63a2\u8a0e\u5176\u5728\u6578\u64da\u5b58\u5132\u548c\u6aa2\u7d22\u4e2d\u7684\u9ad8\u6548\u6027\u8207\u512a\u52e2\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-194411","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194411","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=194411"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194411\/revisions"}],"predecessor-version":[{"id":194412,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194411\/revisions\/194412"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194411"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194411"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194411"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}