{"id":129543,"date":"2024-10-26T22:25:21","date_gmt":"2024-10-26T14:25:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129543\/"},"modified":"2024-10-26T22:25:22","modified_gmt":"2024-10-26T14:25:22","slug":"redis%e8%b7%b3%e8%a1%a8%e9%9d%a2%e8%a9%a6%e7%b6%93%e5%85%b8%e9%a1%8c%e5%ba%ab%e8%80%83%e9%a9%97%e6%8a%80%e8%a1%93%e6%b7%b1%e5%ba%a6%ef%bc%88redis%e8%b7%b3%e8%a1%a8%e9%9d%a2%e8%a9%a6%e9%a1%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129543\/","title":{"rendered":"Redis\u8df3\u8868\u9762\u8a66\u7d93\u5178\u984c\u5eab\u8003\u9a57\u6280\u8853\u6df1\u5ea6\uff08redis\u8df3\u8868\u9762\u8a66\u984c\uff09"},"content":{"rendered":"<h1 id=\"redis%e8%b7%b3%e8%a1%a8%e9%9d%a2%e8%a9%a6%e7%b6%93%e5%85%b8%e9%a1%8c%e5%ba%ab%e8%80%83%e9%a9%97%e6%8a%80%e8%a1%93%e6%b7%b1%e5%ba%a6-GvLfpcnxvL\">Redis\u8df3\u8868\u9762\u8a66\u7d93\u5178\u984c\u5eab\u8003\u9a57\u6280\u8853\u6df1\u5ea6<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6280\u8853\u9762\u8a66\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u91cd\u8996\u3002\u7279\u5225\u662f\u5176\u4e2d\u7684\u8df3\u8868\uff08Skip List\uff09\u7d50\u69cb\uff0c\u56e0\u5176\u9ad8\u6548\u7684\u67e5\u627e\u3001\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\uff0c\u6210\u70ba\u4e86\u9762\u8a66\u4e2d\u7684\u7d93\u5178\u984c\u76ee\u4e4b\u4e00\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u8df3\u8868\u7684\u57fa\u672c\u6982\u5ff5\u3001\u5be6\u73fe\u539f\u7406\u4ee5\u53ca\u5e38\u898b\u7684\u9762\u8a66\u984c\u76ee\uff0c\u5e6b\u52a9\u8b80\u8005\u5728\u9762\u8a66\u4e2d\u66f4\u597d\u5730\u5c55\u793a\u81ea\u5df1\u7684\u6280\u8853\u6df1\u5ea6\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%b7%b3%e8%a1%a8%ef%bc%9f-GvLfpcnxvL\">\u4ec0\u9ebc\u662f\u8df3\u8868\uff1f<\/h2>\n<p>\u8df3\u8868\u662f\u4e00\u7a2e\u57fa\u65bc\u93c8\u8868\u7684\u6578\u64da\u7d50\u69cb\uff0c\u65e8\u5728\u63d0\u9ad8\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\u53ef\u4ee5\u5728\u5c0d\u6578\u6642\u9593\u5167\u5b8c\u6210\u3002\u8df3\u8868\u7684\u57fa\u672c\u7d50\u69cb\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u5e95\u5c64\u93c8\u8868\u5305\u542b\u6240\u6709\u5143\u7d20\uff0c\u4e26\u6309\u9806\u5e8f\u6392\u5217\u3002<\/li>\n<li>\u6bcf\u4e00\u5c64\u7684\u93c8\u8868\u90fd\u662f\u5e95\u5c64\u93c8\u8868\u7684\u5b50\u96c6\uff0c\u4e14\u6bcf\u5c64\u7684\u5143\u7d20\u6578\u91cf\u96a8\u8457\u5c64\u6578\u7684\u589e\u52a0\u800c\u6e1b\u5c11\u3002<\/li>\n<li>\u67e5\u627e\u6642\uff0c\u5f9e\u6700\u9ad8\u5c64\u958b\u59cb\uff0c\u9010\u5c64\u5411\u4e0b\uff0c\u76f4\u5230\u627e\u5230\u76ee\u6a19\u5143\u7d20\u6216\u5230\u9054\u5e95\u5c64\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%b7%b3%e8%a1%a8%e7%9a%84%e6%99%82%e9%96%93%e8%a4%87%e9%9b%9c%e5%ba%a6-GvLfpcnxvL\">\u8df3\u8868\u7684\u6642\u9593\u8907\u96dc\u5ea6<\/h2>\n<p>\u8df3\u8868\u7684\u67e5\u627e\u3001\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u7684\u5e73\u5747\u6642\u9593\u8907\u96dc\u5ea6\u5747\u70baO(log n)\uff0c\u800c\u6700\u58de\u60c5\u6cc1\u4e0b\u7684\u6642\u9593\u8907\u96dc\u5ea6\u70baO(n)\u3002\u9019\u4f7f\u5f97\u8df3\u8868\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u4f9d\u7136\u80fd\u4fdd\u6301\u9ad8\u6548\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"redis%e4%b8%ad%e7%9a%84%e8%b7%b3%e8%a1%a8%e5%af%a6%e7%8f%be-GvLfpcnxvL\">Redis\u4e2d\u7684\u8df3\u8868\u5be6\u73fe<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u8df3\u8868\u88ab\u7528\u4f5c\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u7684\u5e95\u5c64\u6578\u64da\u7d50\u69cb\u3002\u6bcf\u500b\u6709\u5e8f\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u90fd\u6709\u4e00\u500b\u5206\u6578\uff08score\uff09\uff0c\u6839\u64da\u5206\u6578\u9032\u884c\u6392\u5e8f\u3002Redis\u7684\u8df3\u8868\u5be6\u73fe\u5305\u542b\u4ee5\u4e0b\u5e7e\u500b\u95dc\u9375\u90e8\u5206\uff1a<\/p>\n<ul>\n<li><strong>\u7bc0\u9ede\u7d50\u69cb\uff1a<\/strong>\u6bcf\u500b\u7bc0\u9ede\u5305\u542b\u4e00\u500b\u503c\u3001\u4e00\u500b\u5206\u6578\u4ee5\u53ca\u6307\u5411\u4e0b\u4e00\u5c64\u7684\u6307\u91dd\u3002<\/li>\n<li><strong>\u96a8\u6a5f\u5c64\u6578\uff1a<\/strong>\u6bcf\u500b\u65b0\u63d2\u5165\u7684\u7bc0\u9ede\u6703\u96a8\u6a5f\u6c7a\u5b9a\u5176\u5c64\u6578\uff0c\u9019\u6a23\u53ef\u4ee5\u4fdd\u6301\u8df3\u8868\u7684\u5e73\u8861\u6027\u3002<\/li>\n<li><strong>\u67e5\u627e\u908f\u8f2f\uff1a<\/strong>\u5f9e\u6700\u9ad8\u5c64\u958b\u59cb\uff0c\u9010\u5c64\u5411\u4e0b\u67e5\u627e\uff0c\u76f4\u5230\u627e\u5230\u76ee\u6a19\u5143\u7d20\u6216\u5230\u9054\u5e95\u5c64\u3002<\/li>\n<\/ul>\n<h3 id=\"%e8%b7%b3%e8%a1%a8%e7%9a%84%e4%bb%a3%e7%a2%bc%e7%a4%ba%e4%be%8b-GvLfpcnxvL\">\u8df3\u8868\u7684\u4ee3\u78bc\u793a\u4f8b<\/h3>\n<pre><code>\nclass SkipListNode {\n    int value;\n    int score;\n    SkipListNode[] forward; \/\/ \u6307\u5411\u4e0b\u4e00\u5c64\u7684\u6307\u91dd\n\n    public SkipListNode(int value, int score, int level) {\n        this.value = value;\n        this.score = score;\n        this.forward = new SkipListNode[level + 1];\n    }\n}\n\nclass SkipList {\n    private SkipListNode header;\n    private int maxLevel;\n    private int currentLevel;\n\n    public SkipList(int maxLevel) {\n        this.maxLevel = maxLevel;\n        this.currentLevel = 0;\n        this.header = new SkipListNode(-1, -1, maxLevel);\n    }\n\n    \/\/ \u63d2\u5165\u3001\u67e5\u627e\u548c\u522a\u9664\u65b9\u6cd5\u7684\u5be6\u73fe\n}\n<\/code><\/pre>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84%e9%9d%a2%e8%a9%a6%e9%a1%8c%e7%9b%ae-GvLfpcnxvL\">\u5e38\u898b\u7684\u9762\u8a66\u984c\u76ee<\/h2>\n<p>\u5728\u9762\u8a66\u4e2d\uff0c\u8003\u5b98\u53ef\u80fd\u6703\u554f\u5230\u4ee5\u4e0b\u5e7e\u500b\u8207\u8df3\u8868\u76f8\u95dc\u7684\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u8df3\u8868\u7684\u512a\u7f3a\u9ede\u662f\u4ec0\u9ebc\uff1f<\/strong> \u8df3\u8868\u7684\u512a\u9ede\u662f\u67e5\u627e\u6548\u7387\u9ad8\uff0c\u4e14\u5be6\u73fe\u76f8\u5c0d\u7c21\u55ae\uff1b\u7f3a\u9ede\u662f\u7a7a\u9593\u8907\u96dc\u5ea6\u8f03\u9ad8\u3002<\/li>\n<li><strong>\u5982\u4f55\u5728\u8df3\u8868\u4e2d\u5be6\u73fe\u7bc4\u570d\u67e5\u8a62\uff1f<\/strong> \u53ef\u4ee5\u901a\u904e\u67e5\u627e\u7bc4\u570d\u7684\u8d77\u59cb\u548c\u7d50\u675f\u5143\u7d20\uff0c\u7136\u5f8c\u904d\u6b77\u93c8\u8868\u4f86\u5be6\u73fe\u3002<\/li>\n<li><strong>\u8df3\u8868\u8207\u7d05\u9ed1\u6a39\u76f8\u6bd4\uff0c\u6709\u4ec0\u9ebc\u4e0d\u540c\uff1f<\/strong> \u8df3\u8868\u7684\u5be6\u73fe\u66f4\u7c21\u55ae\uff0c\u4e14\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u6027\u80fd\u66f4\u597d\uff0c\u4f46\u7d05\u9ed1\u6a39\u5728\u6700\u58de\u60c5\u6cc1\u4e0b\u6027\u80fd\u66f4\u7a69\u5b9a\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GvLfpcnxvL\">\u7e3d\u7d50<\/h2>\n<p>\u8df3\u8868\u4f5c\u70baRedis\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u6578\u64da\u7d50\u69cb\uff0c\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u64cd\u4f5c\u7684\u6548\u7387\uff0c\u4e5f\u6210\u70ba\u4e86\u9762\u8a66\u4e2d\u8003\u5bdf\u6280\u8853\u6df1\u5ea6\u7684\u7d93\u5178\u984c\u76ee\u3002\u638c\u63e1\u8df3\u8868\u7684\u57fa\u672c\u6982\u5ff5\u3001\u5be6\u73fe\u539f\u7406\u53ca\u5176\u5728Redis\u4e2d\u7684\u61c9\u7528\uff0c\u5c07\u6709\u52a9\u65bc\u5728\u6280\u8853\u9762\u8a66\u4e2d\u812b\u7a4e\u800c\u51fa\u3002\u5982\u679c\u60a8\u5c0d\u65bc\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u642d\u5efa\u60a8\u7684Redis\u670d\u52d9\u5668\uff0c\u4eab\u53d7\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u64f4\u5c55\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u8df3\u8868\u9762\u8a66\u7d93\u5178\u984c\u5eab\uff0c\u6311\u6230\u6280\u8853\u6df1\u5ea6\uff0c\u63d0\u5347\u9762\u8a66\u6e96\u5099\uff0c\u638c\u63e1\u95dc\u9375\u6982\u5ff5\u8207\u5be6\u6230\u6280\u5de7\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-129543","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129543","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=129543"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129543\/revisions"}],"predecessor-version":[{"id":129544,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129543\/revisions\/129544"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}