{"id":124809,"date":"2024-10-25T17:22:19","date_gmt":"2024-10-25T09:22:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/124809\/"},"modified":"2024-10-25T17:22:20","modified_gmt":"2024-10-25T09:22:20","slug":"redis-%e5%8a%a0%e9%80%9f%e6%9f%a5%e6%89%be%e4%b9%8b%e8%b7%b3%e8%a1%a8%e5%84%aa%e5%8b%a2%e5%8f%af%e8%a6%8b%e4%b8%80%e6%96%91","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/124809\/","title":{"rendered":"Redis \u52a0\u901f\u67e5\u627e\u4e4b\u8df3\u8868\u512a\u52e2\u53ef\u898b\u4e00\u6591"},"content":{"rendered":"<h1 id=\"redis-%e5%8a%a0%e9%80%9f%e6%9f%a5%e6%89%be%e4%b9%8b%e8%b7%b3%e8%a1%a8%e5%84%aa%e5%8b%a2%e5%8f%af%e8%a6%8b%e4%b8%80%e6%96%91-YZUoJfgjDo\">Redis \u52a0\u901f\u67e5\u627e\u4e4b\u8df3\u8868\u512a\u52e2\u53ef\u898b\u4e00\u6591<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u5feb\u901f\u67e5\u627e\u548c\u9ad8\u6548\u5b58\u5132\u6210\u70ba\u4e86\u61c9\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u95dc\u9375\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u4f86\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u5176\u4e2d\uff0c\u8df3\u8868\uff08Skip List\uff09\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u67e5\u627e\u7d50\u69cb\uff0c\u56e0\u5176\u7368\u7279\u7684\u7279\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%b7%b3%e8%a1%a8%ef%bc%9f-YZUoJfgjDo\">\u4ec0\u9ebc\u662f\u8df3\u8868\uff1f<\/h2>\n<p>\u8df3\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\u5728\u591a\u5c64\u93c8\u8868\u4e2d\u5efa\u7acb\u7d22\u5f15\u4f86\u5be6\u73fe\u5feb\u901f\u67e5\u627e\u3002\u6bcf\u4e00\u5c64\u7684\u93c8\u8868\u90fd\u662f\u524d\u4e00\u5c64\u7684\u5b50\u96c6\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u67e5\u627e\u6642\u8df3\u904e\u591a\u500b\u5143\u7d20\uff0c\u5f9e\u800c\u6e1b\u5c11\u67e5\u627e\u7684\u6642\u9593\u8907\u96dc\u5ea6\u3002<\/p>\n<h3 id=\"%e8%b7%b3%e8%a1%a8%e7%9a%84%e7%b5%90%e6%a7%8b-YZUoJfgjDo\">\u8df3\u8868\u7684\u7d50\u69cb<\/h3>\n<p>\u8df3\u8868\u7684\u57fa\u672c\u7d50\u69cb\u7531\u591a\u5c64\u93c8\u8868\u7d44\u6210\u3002\u6700\u5e95\u5c64\u7684\u93c8\u8868\u5305\u542b\u6240\u6709\u7684\u5143\u7d20\uff0c\u800c\u4e0a\u5c64\u7684\u93c8\u8868\u5247\u662f\u96a8\u6a5f\u9078\u64c7\u7684\u5143\u7d20\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97\u67e5\u627e\u64cd\u4f5c\u53ef\u4ee5\u5728 O(log n) \u7684\u6642\u9593\u5167\u5b8c\u6210\uff0c\u9019\u6bd4\u50b3\u7d71\u7684\u93c8\u8868\u67e5\u627e O(n) \u7684\u6642\u9593\u8907\u96dc\u5ea6\u8981\u9ad8\u6548\u5f97\u591a\u3002<\/p>\n<h4 id=\"%e8%b7%b3%e8%a1%a8%e7%9a%84%e5%84%aa%e5%8b%a2-YZUoJfgjDo\">\u8df3\u8868\u7684\u512a\u52e2<\/h4>\n<ul>\n<li><strong>\u9ad8\u6548\u67e5\u627e\uff1a<\/strong>\u8df3\u8868\u7684\u67e5\u627e\u6642\u9593\u8907\u96dc\u5ea6\u70ba O(log n)\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u8868\u73fe\u51fa\u8272\u3002<\/li>\n<li><strong>\u7c21\u55ae\u5be6\u73fe\uff1a<\/strong>\u8207\u5e73\u8861\u6a39\u7b49\u6578\u64da\u7d50\u69cb\u76f8\u6bd4\uff0c\u8df3\u8868\u7684\u5be6\u73fe\u76f8\u5c0d\u7c21\u55ae\uff0c\u4e14\u4e0d\u9700\u8981\u8907\u96dc\u7684\u65cb\u8f49\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u96a8\u6a5f\u5316\u7279\u6027\uff1a<\/strong>\u8df3\u8868\u7684\u96a8\u6a5f\u5316\u7279\u6027\u4f7f\u5f97\u5176\u5728\u6700\u58de\u60c5\u6cc1\u4e0b\u7684\u6027\u80fd\u4ecd\u7136\u4fdd\u6301\u7a69\u5b9a\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u8df3\u8868\u53ef\u4ee5\u8f15\u9b06\u5730\u9032\u884c\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u52d5\u614b\u6578\u64da\u74b0\u5883\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e4%b8%ad%e7%9a%84%e8%b7%b3%e8%a1%a8%e5%af%a6%e7%8f%be-YZUoJfgjDo\">Redis \u4e2d\u7684\u8df3\u8868\u5be6\u73fe<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u8df3\u8868\u88ab\u7528\u4f5c\u5176\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u7684\u5e95\u5c64\u6578\u64da\u7d50\u69cb\u3002\u9019\u4f7f\u5f97 Redis \u80fd\u5920\u5728 O(log n) \u7684\u6642\u9593\u5167\u9032\u884c\u67e5\u627e\u3001\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 Redis \u4e2d\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; ZADD myset 1 \"one\" 2 \"two\" 3 \"three\"\n(integer) 3\n127.0.0.1:6379&gt; ZRANGE myset 0 -1 WITHSCORES\n1) \"one\"\n2) \"1\"\n3) \"two\"\n4) \"2\"\n5) \"three\"\n6) \"3\"\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 ZADD \u547d\u4ee4\u5c07\u5143\u7d20\u6dfb\u52a0\u5230\u6709\u5e8f\u96c6\u5408\u4e2d\uff0c\u4e26\u4f7f\u7528 ZRANGE \u547d\u4ee4\u4f86\u67e5\u8a62\u6240\u6709\u5143\u7d20\u53ca\u5176\u5206\u6578\u3002\u9019\u4e9b\u64cd\u4f5c\u7684\u9ad8\u6548\u6027\u5f97\u76ca\u65bc Redis \u5167\u90e8\u4f7f\u7528\u7684\u8df3\u8868\u7d50\u69cb\u3002<\/p>\n<h2 id=\"%e8%b7%b3%e8%a1%a8%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-YZUoJfgjDo\">\u8df3\u8868\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u8df3\u8868\u7684\u9ad8\u6548\u67e5\u627e\u7279\u6027\u4f7f\u5176\u5728\u591a\u7a2e\u61c9\u7528\u5834\u666f\u4e2d\u90fd\u80fd\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5eab\u7d22\u5f15\uff1a<\/strong>\u8df3\u8868\u53ef\u4ee5\u7528\u4f5c\u6578\u64da\u5eab\u7684\u7d22\u5f15\u7d50\u69cb\uff0c\u63d0\u4f9b\u5feb\u901f\u7684\u67e5\u627e\u80fd\u529b\u3002<\/li>\n<li><strong>\u5be6\u6642\u6578\u64da\u8655\u7406\uff1a<\/strong>\u5728\u9700\u8981\u5feb\u901f\u67e5\u627e\u548c\u66f4\u65b0\u7684\u5be6\u6642\u6578\u64da\u8655\u7406\u7cfb\u7d71\u4e2d\uff0c\u8df3\u8868\u80fd\u5920\u63d0\u4f9b\u826f\u597d\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u904a\u6232\u958b\u767c\uff1a<\/strong>\u5728\u904a\u6232\u958b\u767c\u4e2d\uff0c\u8df3\u8868\u53ef\u4ee5\u7528\u65bc\u7ba1\u7406\u73a9\u5bb6\u7684\u6392\u540d\u548c\u5206\u6578\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-YZUoJfgjDo\">\u7e3d\u7d50<\/h2>\n<p>\u8df3\u8868\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u67e5\u627e\u7d50\u69cb\uff0c\u7121\u7591\u5728 Redis \u7684\u6027\u80fd\u512a\u5316\u4e2d\u626e\u6f14\u4e86\u91cd\u8981\u89d2\u8272\u3002\u5176\u96a8\u6a5f\u5316\u7279\u6027\u548c\u9ad8\u6548\u67e5\u627e\u80fd\u529b\u4f7f\u5f97\u5b83\u5728\u5404\u7a2e\u61c9\u7528\u4e2d\u90fd\u80fd\u767c\u63ee\u51fa\u8272\u7684\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u5feb\u901f\u67e5\u627e\u548c\u9ad8\u6548\u5b58\u5132\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u81f3\u95dc\u91cd\u8981\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\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u5728\u9999\u6e2f\u7684\u696d\u52d9\u904b\u884c\u4e2d\u7372\u5f97\u6700\u4f73\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u4e2d\u8df3\u8868\u7684\u512a\u52e2\uff0c\u4e86\u89e3\u5176\u5982\u4f55\u52a0\u901f\u67e5\u627e\u6548\u7387\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6027\u80fd\uff0c\u8b93\u6578\u64da\u5b58\u53d6\u66f4\u8fc5\u901f\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-124809","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124809","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=124809"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124809\/revisions"}],"predecessor-version":[{"id":124810,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124809\/revisions\/124810"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=124809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=124809"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=124809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}