{"id":129559,"date":"2024-10-26T22:32:19","date_gmt":"2024-10-26T14:32:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129559\/"},"modified":"2024-10-26T22:32:20","modified_gmt":"2024-10-26T14:32:20","slug":"redis%e8%b7%b3%e8%ba%8d%e8%a1%a8%e5%88%a5%e6%a8%a3%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%ef%bc%88redis%e7%9a%84%e8%b7%b3%e8%ba%8d%e8%a1%a8%e4%bd%9c%e7%94%a8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129559\/","title":{"rendered":"Redis\u8df3\u8e8d\u8868\u5225\u6a23\u7684\u6578\u64da\u7d50\u69cb\uff08redis\u7684\u8df3\u8e8d\u8868\u4f5c\u7528\uff09"},"content":{"rendered":"<h1 id=\"redis%e8%b7%b3%e8%ba%8d%e8%a1%a8%e5%88%a5%e6%a8%a3%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%ef%bc%88redis%e7%9a%84%e8%b7%b3%e8%ba%8d%e8%a1%a8%e4%bd%9c%e7%94%a8%ef%bc%89-QDrKkoophr\">Redis\u8df3\u8e8d\u8868\u5225\u6a23\u7684\u6578\u64da\u7d50\u69cb\uff08redis\u7684\u8df3\u8e8d\u8868\u4f5c\u7528\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\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5df2\u7d93\u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u7684\u9996\u9078\u3002Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5176\u4e2d\u8df3\u8e8d\u8868\uff08Skip List\uff09\u662f\u4e00\u500b\u76f8\u5c0d\u8f03\u5c11\u88ab\u63d0\u53ca\u4f46\u537b\u975e\u5e38\u91cd\u8981\u7684\u6578\u64da\u7d50\u69cb\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u4e2d\u7684\u8df3\u8e8d\u8868\u53ca\u5176\u4f5c\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%b7%b3%e8%ba%8d%e8%a1%a8%ef%bc%9f-QDrKkoophr\">\u4ec0\u9ebc\u662f\u8df3\u8e8d\u8868\uff1f<\/h2>\n<p>\u8df3\u8e8d\u8868\u662f\u4e00\u7a2e\u96a8\u6a5f\u5316\u7684\u6578\u64da\u7d50\u69cb\uff0c\u65e8\u5728\u63d0\u9ad8\u6709\u5e8f\u6578\u64da\u7684\u67e5\u627e\u6548\u7387\u3002\u5b83\u7531\u591a\u5c64\u93c8\u8868\u7d44\u6210\uff0c\u6bcf\u4e00\u5c64\u90fd\u662f\u4e00\u500b\u6709\u5e8f\u93c8\u8868\uff0c\u4e26\u4e14\u6bcf\u4e00\u5c64\u7684\u5143\u7d20\u6578\u91cf\u662f\u96a8\u6a5f\u9078\u64c7\u7684\u3002\u9019\u7a2e\u7d50\u69cb\u4f7f\u5f97\u67e5\u627e\u3001\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u7684\u5e73\u5747\u6642\u9593\u8907\u96dc\u5ea6\u70baO(log n)\uff0c\u800c\u6700\u58de\u60c5\u6cc1\u4e0b\u7684\u6642\u9593\u8907\u96dc\u5ea6\u70baO(n)\u3002<\/p>\n<h2 id=\"redis%e4%b8%ad%e7%9a%84%e8%b7%b3%e8%ba%8d%e8%a1%a8-QDrKkoophr\">Redis\u4e2d\u7684\u8df3\u8e8d\u8868<\/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\u96c6\u5408\uff0c\u5176\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u90fd\u6709\u4e00\u500b\u5206\u6578\uff08score\uff09\uff0c\u6839\u64da\u5206\u6578\u7684\u5927\u5c0f\u4f86\u6392\u5e8f\u3002Redis\u4f7f\u7528\u8df3\u8e8d\u8868\u4f86\u9ad8\u6548\u5730\u652f\u6301\u6709\u5e8f\u96c6\u5408\u7684\u5404\u7a2e\u64cd\u4f5c\uff0c\u5982\u6dfb\u52a0\u3001\u522a\u9664\u548c\u67e5\u627e\u5143\u7d20\u3002<\/p>\n<h3 id=\"%e8%b7%b3%e8%ba%8d%e8%a1%a8%e7%9a%84%e7%b5%90%e6%a7%8b-QDrKkoophr\">\u8df3\u8e8d\u8868\u7684\u7d50\u69cb<\/h3>\n<p>\u8df3\u8e8d\u8868\u7684\u57fa\u672c\u7d50\u69cb\u7531\u591a\u5c64\u93c8\u8868\u7d44\u6210\u3002\u6bcf\u4e00\u5c64\u93c8\u8868\u90fd\u5305\u542b\u4e86\u4e00\u90e8\u5206\u5143\u7d20\uff0c\u4e26\u4e14\u6bcf\u4e00\u5c64\u7684\u5143\u7d20\u6578\u91cf\u662f\u96a8\u6a5f\u7684\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97\u5728\u67e5\u627e\u67d0\u500b\u5143\u7d20\u6642\uff0c\u53ef\u4ee5\u5feb\u901f\u8df3\u904e\u4e0d\u5fc5\u8981\u7684\u5143\u7d20\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u627e\u6548\u7387\u3002<\/p>\n<pre><code>\nclass SkipListNode {\n    int value;\n    int score;\n    SkipListNode[] forward; \/\/ \u6307\u5411\u4e0b\u4e00\u5c64\u7684\u6307\u91dd\n}\n<\/code><\/pre>\n<h3 id=\"%e8%b7%b3%e8%ba%8d%e8%a1%a8%e7%9a%84%e6%93%8d%e4%bd%9c-QDrKkoophr\">\u8df3\u8e8d\u8868\u7684\u64cd\u4f5c<\/h3>\n<ul>\n<li><strong>\u63d2\u5165\u64cd\u4f5c\uff1a<\/strong>\u5728\u8df3\u8e8d\u8868\u4e2d\u63d2\u5165\u4e00\u500b\u65b0\u5143\u7d20\u6642\uff0c\u9996\u5148\u9700\u8981\u751f\u6210\u4e00\u500b\u96a8\u6a5f\u5c64\u6578\uff0c\u7136\u5f8c\u5c07\u8a72\u5143\u7d20\u63d2\u5165\u5230\u76f8\u61c9\u7684\u5c64\u4e2d\u3002<\/li>\n<li><strong>\u67e5\u627e\u64cd\u4f5c\uff1a<\/strong>\u67e5\u627e\u67d0\u500b\u5143\u7d20\u6642\uff0c\u5f9e\u6700\u9ad8\u5c64\u958b\u59cb\uff0c\u6839\u64da\u6307\u91dd\u5411\u4e0b\u67e5\u627e\uff0c\u76f4\u5230\u627e\u5230\u76ee\u6a19\u5143\u7d20\u6216\u5230\u9054\u6700\u4f4e\u5c64\u3002<\/li>\n<li><strong>\u522a\u9664\u64cd\u4f5c\uff1a<\/strong>\u522a\u9664\u5143\u7d20\u7684\u904e\u7a0b\u8207\u67e5\u627e\u985e\u4f3c\uff0c\u627e\u5230\u5143\u7d20\u5f8c\uff0c\u5c07\u5176\u5f9e\u6240\u6709\u5c64\u4e2d\u522a\u9664\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%b7%b3%e8%ba%8d%e8%a1%a8%e7%9a%84%e5%84%aa%e5%8b%a2-QDrKkoophr\">\u8df3\u8e8d\u8868\u7684\u512a\u52e2<\/h2>\n<p>\u8df3\u8e8d\u8868\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u5176\u9ad8\u6548\u7684\u67e5\u627e\u6027\u80fd\u548c\u7c21\u55ae\u7684\u5be6\u73fe\u3002\u8207\u5176\u4ed6\u6578\u64da\u7d50\u69cb\u76f8\u6bd4\uff0c\u8df3\u8e8d\u8868\u4e0d\u9700\u8981\u984d\u5916\u7684\u5e73\u8861\u64cd\u4f5c\uff0c\u9019\u4f7f\u5f97\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u66f4\u52a0\u9748\u6d3b\u3002\u6b64\u5916\uff0c\u8df3\u8e8d\u8868\u7684\u96a8\u6a5f\u5316\u7279\u6027\u4f7f\u5f97\u5176\u5728\u591a\u6b21\u64cd\u4f5c\u5f8c\u4ecd\u80fd\u4fdd\u6301\u826f\u597d\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-QDrKkoophr\">\u5be6\u969b\u61c9\u7528\u6848\u4f8b<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u8df3\u8e8d\u8868\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u6392\u884c\u699c\u3001\u8a08\u6578\u5668\u7b49\u5834\u666f\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u904a\u6232\u61c9\u7528\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u4f86\u5b58\u5132\u73a9\u5bb6\u7684\u5206\u6578\uff0c\u4e26\u901a\u904e\u8df3\u8e8d\u8868\u5feb\u901f\u67e5\u627e\u548c\u66f4\u65b0\u73a9\u5bb6\u7684\u6392\u540d\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QDrKkoophr\">\u7e3d\u7d50<\/h2>\n<p>\u8df3\u8e8d\u8868\u4f5c\u70baRedis\u4e2d\u7684\u4e00\u7a2e\u91cd\u8981\u6578\u64da\u7d50\u69cb\uff0c\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u67e5\u627e\u548c\u64cd\u4f5c\u6027\u80fd\u3002\u5b83\u7684\u96a8\u6a5f\u5316\u7279\u6027\u548c\u591a\u5c64\u7d50\u69cb\u4f7f\u5f97\u5728\u8655\u7406\u6709\u5e8f\u6578\u64da\u6642\uff0c\u80fd\u5920\u9054\u5230\u826f\u597d\u7684\u6027\u80fd\u8868\u73fe\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u53d6\u7684\u61c9\u7528\u5834\u666f\uff0cRedis\u7684\u8df3\u8e8d\u8868\u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u4f7f\u7528Redis\u6216\u5176\u4ed6\u6578\u64da\u7d50\u69cb\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\uff0c\u63a2\u7d22\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u60a8\u63d0\u5347\u61c9\u7528\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u8df3\u8e8d\u8868\u7684\u7368\u7279\u6578\u64da\u7d50\u69cb\u53ca\u5176\u5728\u9ad8\u6548\u6578\u64da\u5b58\u53d6\u4e2d\u7684\u91cd\u8981\u4f5c\u7528\uff0c\u63d0\u5347\u6027\u80fd\u8207\u67e5\u8a62\u901f\u5ea6\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-129559","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129559","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=129559"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129559\/revisions"}],"predecessor-version":[{"id":129560,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129559\/revisions\/129560"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129559"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129559"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}