{"id":98128,"date":"2024-10-21T00:01:17","date_gmt":"2024-10-20T16:01:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98128\/"},"modified":"2024-10-21T00:01:18","modified_gmt":"2024-10-20T16:01:18","slug":"redis-%e6%9f%a5%e8%a9%a2%e5%88%86%e9%a0%81%e5%af%a6%e7%8f%be%e6%a9%9f%e5%88%b6%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98128\/","title":{"rendered":"Redis \u67e5\u8a62\u5206\u9801\u5be6\u73fe\u6a5f\u5236\u89e3\u6790"},"content":{"rendered":"<h1 id=\"redis-%e6%9f%a5%e8%a9%a2%e5%88%86%e9%a0%81%e5%af%a6%e7%8f%be%e6%a9%9f%e5%88%b6%e8%a7%a3%e6%9e%90-pKGkIfDrTG\">Redis \u67e5\u8a62\u5206\u9801\u5be6\u73fe\u6a5f\u5236\u89e3\u6790<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5982\u4f55\u9ad8\u6548\u5730\u67e5\u8a62\u548c\u7ba1\u7406\u6578\u64da\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u548c\u64cd\u4f5c\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u9748\u6d3b\u5730\u8655\u7406\u6578\u64da\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684\u67e5\u8a62\u5206\u9801\u5be6\u73fe\u6a5f\u5236\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728 Redis \u4e2d\u9032\u884c\u9ad8\u6548\u7684\u6578\u64da\u5206\u9801\u67e5\u8a62\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%9f%a5%e8%a9%a2%e5%88%86%e9%a0%81%ef%bc%9f-pKGkIfDrTG\">\u4ec0\u9ebc\u662f\u67e5\u8a62\u5206\u9801\uff1f<\/h2>\n<p>\u67e5\u8a62\u5206\u9801\u662f\u6307\u5c07\u67e5\u8a62\u7d50\u679c\u5206\u6210\u591a\u500b\u9801\u9762\uff0c\u4ee5\u4fbf\u7528\u6236\u80fd\u5920\u9010\u6b65\u67e5\u770b\u6578\u64da\u3002\u9019\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u5c24\u70ba\u91cd\u8981\uff0c\u56e0\u70ba\u4e00\u6b21\u6027\u52a0\u8f09\u6240\u6709\u6578\u64da\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u548c\u7528\u6236\u9ad4\u9a57\u4e0d\u4f73\u3002\u5206\u9801\u67e5\u8a62\u53ef\u4ee5\u6e1b\u5c11\u6bcf\u6b21\u67e5\u8a62\u6240\u9700\u7684\u6578\u64da\u91cf\uff0c\u5f9e\u800c\u63d0\u9ad8\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-pKGkIfDrTG\">Redis \u7684\u6578\u64da\u7d50\u69cb<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u3002\u9019\u4e9b\u6578\u64da\u7d50\u69cb\u5404\u81ea\u6709\u5176\u7279\u9ede\uff0c\u9069\u5408\u4e0d\u540c\u7684\u61c9\u7528\u5834\u666f\u3002\u5728\u5be6\u73fe\u67e5\u8a62\u5206\u9801\u6642\uff0c\u6700\u5e38\u7528\u7684\u6578\u64da\u7d50\u69cb\u662f\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u548c\u5217\u8868\uff08List\uff09\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e6%9c%89%e5%ba%8f%e9%9b%86%e5%90%88%e9%80%b2%e8%a1%8c%e5%88%86%e9%a0%81-pKGkIfDrTG\">\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u9032\u884c\u5206\u9801<\/h3>\n<p>\u6709\u5e8f\u96c6\u5408\u662f\u4e00\u7a2e\u53ef\u4ee5\u6839\u64da\u5206\u6578\uff08score\uff09\u9032\u884c\u6392\u5e8f\u7684\u96c6\u5408\u3002\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u7528\u65bc\u5206\u9801\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u9032\u884c\u5206\u9801\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<pre><code>1. \u5c07\u6578\u64da\u6dfb\u52a0\u5230\u6709\u5e8f\u96c6\u5408\u4e2d\uff0c\u4f7f\u7528\u552f\u4e00\u7684 ID \u4f5c\u70ba\u6210\u54e1\uff0c\u4e26\u4f7f\u7528\u67d0\u500b\u5c6c\u6027\uff08\u5982\u6642\u9593\u6233\uff09\u4f5c\u70ba\u5206\u6578\u3002\n2. \u4f7f\u7528 ZRANGE \u6216 ZREVRANGE \u547d\u4ee4\u4f86\u7372\u53d6\u6307\u5b9a\u7bc4\u570d\u7684\u6210\u54e1\u3002\n3. \u6839\u64da\u9700\u8981\u7684\u9801\u78bc\u548c\u6bcf\u9801\u986f\u793a\u7684\u6578\u91cf\u8a08\u7b97\u7bc4\u570d\u3002<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u6709\u5e8f\u96c6\u5408\u5b58\u5132\u7528\u6236\u7684\u767b\u9304\u6642\u9593\uff0c\u4ee5\u4e0b\u662f\u5982\u4f55\u7372\u53d6\u7b2c 2 \u9801\u7684 10 \u689d\u8a18\u9304\uff1a<\/p>\n<pre><code>ZRANGE user_logins 10 19<\/code><\/pre>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e5%88%97%e8%a1%a8%e9%80%b2%e8%a1%8c%e5%88%86%e9%a0%81-pKGkIfDrTG\">\u4f7f\u7528\u5217\u8868\u9032\u884c\u5206\u9801<\/h3>\n<p>\u5217\u8868\u662f\u4e00\u7a2e\u7c21\u55ae\u7684\u6578\u64da\u7d50\u69cb\uff0c\u9069\u5408\u7528\u65bc\u5b58\u5132\u6709\u5e8f\u7684\u6578\u64da\u3002\u4f7f\u7528\u5217\u8868\u9032\u884c\u5206\u9801\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>1. \u5c07\u6578\u64da\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\uff0c\u4f7f\u7528 LPUSH \u6216 RPUSH \u547d\u4ee4\u3002\n2. \u4f7f\u7528 LRANGE \u547d\u4ee4\u4f86\u7372\u53d6\u6307\u5b9a\u7bc4\u570d\u7684\u5143\u7d20\u3002\n3. \u6839\u64da\u9700\u8981\u7684\u9801\u78bc\u548c\u6bcf\u9801\u986f\u793a\u7684\u6578\u91cf\u8a08\u7b97\u7bc4\u570d\u3002<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u5217\u8868\u5b58\u5132\u7528\u6236\u7684\u6d88\u606f\uff0c\u4ee5\u4e0b\u662f\u5982\u4f55\u7372\u53d6\u7b2c 3 \u9801\u7684 5 \u689d\u8a18\u9304\uff1a<\/p>\n<pre><code>LRANGE user_messages 10 14<\/code><\/pre>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-pKGkIfDrTG\">\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u9032\u884c\u5206\u9801\u67e5\u8a62\u6642\uff0c\u6027\u80fd\u662f\u9700\u8981\u8003\u616e\u7684\u91cd\u8981\u56e0\u7d20\u3002\u5c0d\u65bc\u6709\u5e8f\u96c6\u5408\uff0cZREVRANGE \u548c ZRANGE \u7684\u6027\u80fd\u901a\u5e38\u8f03\u597d\uff0c\u56e0\u70ba\u5b83\u5011\u662f\u57fa\u65bc\u8df3\u8868\uff08Skip List\uff09\u5be6\u73fe\u7684\uff0c\u80fd\u5920\u5728 O(log(N) + M) \u7684\u6642\u9593\u5167\u7372\u53d6\u6578\u64da\uff0c\u5176\u4e2d N \u662f\u96c6\u5408\u7684\u5927\u5c0f\uff0cM \u662f\u8981\u8fd4\u56de\u7684\u5143\u7d20\u6578\u91cf\u3002<\/p>\n<p>\u800c\u5c0d\u65bc\u5217\u8868\uff0cLRANGE \u7684\u6027\u80fd\u5247\u662f O(N)\uff0c\u9019\u610f\u5473\u8457\u5982\u679c\u5217\u8868\u975e\u5e38\u9577\uff0c\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u56e0\u6b64\uff0c\u5728\u9078\u64c7\u6578\u64da\u7d50\u69cb\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u6839\u64da\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\u4f86\u505a\u51fa\u9078\u64c7\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-pKGkIfDrTG\">\u7e3d\u7d50<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u548c\u9ad8\u6548\u7684\u67e5\u8a62\u6a5f\u5236\uff0c\u4f7f\u5f97\u67e5\u8a62\u5206\u9801\u7684\u5be6\u73fe\u8b8a\u5f97\u7c21\u55ae\u800c\u9ad8\u6548\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u9084\u662f\u5217\u8868\uff0c\u958b\u767c\u8005\u90fd\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u4f86\u5be6\u73fe\u5206\u9801\u67e5\u8a62\u3002\u900f\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u512a\u5316\uff0cRedis \u80fd\u5920\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u4fdd\u6301\u9ad8\u6548\u7684\u6027\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u4e3b\u6a5f\u670d\u52d9\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u89e3\u6790 Redis \u67e5\u8a62\u5206\u9801\u7684\u5be6\u73fe\u6a5f\u5236\uff0c\u63a2\u8a0e\u5176\u6027\u80fd\u512a\u52e2\u8207\u61c9\u7528\u5834\u666f\uff0c\u52a9\u60a8\u512a\u5316\u6578\u64da\u5b58\u53d6\u6548\u7387\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-98128","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98128","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=98128"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98128\/revisions"}],"predecessor-version":[{"id":98129,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98128\/revisions\/98129"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}