{"id":125127,"date":"2024-10-25T20:02:19","date_gmt":"2024-10-25T12:02:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/125127\/"},"modified":"2024-10-25T20:02:20","modified_gmt":"2024-10-25T12:02:20","slug":"redis-%e7%b5%90%e5%90%88%e8%a1%a8%e9%81%94%e5%bc%8f%e8%a7%a3%e8%ae%80%e5%bc%95%e9%a0%98%e6%96%b0%e6%b5%81%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/125127\/","title":{"rendered":"Redis \u7d50\u5408\u8868\u9054\u5f0f\u89e3\u8b80\u5f15\u9818\u65b0\u6d41\u884c"},"content":{"rendered":"<h1 id=\"redis-%e7%b5%90%e5%90%88%e8%a1%a8%e9%81%94%e5%bc%8f%e8%a7%a3%e8%ae%80%e5%bc%95%e9%a0%98%e6%96%b0%e6%b5%81%e8%a1%8c-iQtiNZbAuv\">Redis \u7d50\u5408\u8868\u9054\u5f0f\u89e3\u8b80\u5f15\u9818\u65b0\u6d41\u884c<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\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\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0cRedis \u7684\u61c9\u7528\u5834\u666f\u4e5f\u5728\u4e0d\u65b7\u64f4\u5c55\uff0c\u5176\u4e2d\u7d50\u5408\u8868\u9054\u5f0f\u89e3\u8b80\u7684\u6280\u8853\u6b63\u9010\u6f38\u6210\u70ba\u4e00\u7a2e\u65b0\u6d41\u884c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis%ef%bc%9f-iQtiNZbAuv\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u3002\u5b83\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u9ad8\u6027\u80fd\uff1aRedis \u53ef\u4ee5\u6bcf\u79d2\u8655\u7406\u6578\u5341\u842c\u6b21\u7684\u8b80\u5beb\u64cd\u4f5c\u3002<\/li>\n<li>\u6301\u4e45\u5316\uff1a\u652f\u6301\u5c07\u6578\u64da\u6301\u4e45\u5316\u5230\u78c1\u789f\uff0c\u78ba\u4fdd\u6578\u64da\u4e0d\u6703\u56e0\u70ba\u7cfb\u7d71\u5d29\u6f70\u800c\u4e1f\u5931\u3002<\/li>\n<li>\u9748\u6d3b\u6027\uff1a\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u9069\u5408\u4e0d\u540c\u7684\u61c9\u7528\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a1%a8%e9%81%94%e5%bc%8f%e8%a7%a3%e8%ae%80%e7%9a%84%e6%a6%82%e5%bf%b5-iQtiNZbAuv\">\u8868\u9054\u5f0f\u89e3\u8b80\u7684\u6982\u5ff5<\/h2>\n<p>\u8868\u9054\u5f0f\u89e3\u8b80\uff08Expression Evaluation\uff09\u662f\u6307\u5728\u8a08\u7b97\u6a5f\u79d1\u5b78\u4e2d\uff0c\u5c0d\u4e00\u7d44\u904b\u7b97\u7b26\u548c\u64cd\u4f5c\u6578\u9032\u884c\u89e3\u6790\u548c\u8a08\u7b97\u7684\u904e\u7a0b\u3002\u9019\u4e00\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u5230\u8a9e\u6cd5\u5206\u6790\u548c\u8a9e\u7fa9\u5206\u6790\uff0c\u4e26\u4e14\u5728\u8a31\u591a\u7de8\u7a0b\u8a9e\u8a00\u548c\u6578\u64da\u5eab\u67e5\u8a62\u4e2d\u90fd\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\u3002<\/p>\n<p>\u5728 Redis \u4e2d\uff0c\u8868\u9054\u5f0f\u89e3\u8b80\u53ef\u4ee5\u7528\u4f86\u9032\u884c\u8907\u96dc\u7684\u6578\u64da\u67e5\u8a62\u548c\u64cd\u4f5c\uff0c\u9019\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u66f4\u9748\u6d3b\u5730\u8655\u7406\u6578\u64da\u3002\u4f8b\u5982\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 Lua \u8173\u672c\u4f86\u57f7\u884c\u539f\u5b50\u64cd\u4f5c\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u591a\u6b21\u5f80\u8fd4\u7684\u5ef6\u9072\u3002<\/p>\n<h2 id=\"redis-%e7%b5%90%e5%90%88%e8%a1%a8%e9%81%94%e5%bc%8f%e8%a7%a3%e8%ae%80%e7%9a%84%e6%87%89%e7%94%a8-iQtiNZbAuv\">Redis \u7d50\u5408\u8868\u9054\u5f0f\u89e3\u8b80\u7684\u61c9\u7528<\/h2>\n<p>Redis \u7d50\u5408\u8868\u9054\u5f0f\u89e3\u8b80\u7684\u61c9\u7528\u5834\u666f\u975e\u5e38\u5ee3\u6cdb\uff0c\u4ee5\u4e0b\u662f\u5e7e\u500b\u5177\u9ad4\u7684\u4f8b\u5b50\uff1a<\/p>\n<h3 id=\"1-%e5%af%a6%e6%99%82%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90-iQtiNZbAuv\">1. \u5be6\u6642\u6578\u64da\u5206\u6790<\/h3>\n<p>\u5728\u5be6\u6642\u6578\u64da\u5206\u6790\u4e2d\uff0cRedis \u53ef\u4ee5\u7528\u4f86\u5feb\u901f\u5b58\u53d6\u548c\u8655\u7406\u5927\u91cf\u7684\u6578\u64da\u3002\u901a\u904e\u7d50\u5408\u8868\u9054\u5f0f\u89e3\u8b80\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u7de8\u5beb\u8907\u96dc\u7684\u67e5\u8a62\u4f86\u5206\u6790\u6578\u64da\u6d41\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 Redis \u7684 HyperLogLog \u7d50\u69cb\u4f86\u8a08\u7b97\u552f\u4e00\u8a2a\u554f\u8005\u7684\u6578\u91cf\uff0c\u4e26\u7d50\u5408 Lua \u8173\u672c\u9032\u884c\u5373\u6642\u8a08\u7b97\u3002<\/p>\n<pre><code>\nEVAL \"return redis.call('pfcount', KEYS[1])\" 1 unique_visitors\n<\/code><\/pre>\n<h3 id=\"2-%e5%8b%95%e6%85%8b%e5%a0%b1%e5%91%8a%e7%94%9f%e6%88%90-iQtiNZbAuv\">2. \u52d5\u614b\u5831\u544a\u751f\u6210<\/h3>\n<p>\u5728\u8a31\u591a\u5546\u696d\u61c9\u7528\u4e2d\uff0c\u52d5\u614b\u5831\u544a\u751f\u6210\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u901a\u904e Redis \u7684\u8868\u9054\u5f0f\u89e3\u8b80\u529f\u80fd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u7528\u6236\u7684\u9700\u6c42\u751f\u6210\u5373\u6642\u5831\u544a\u3002\u4f8b\u5982\uff0c\u6839\u64da\u7528\u6236\u7684\u884c\u70ba\u6578\u64da\u751f\u6210\u92b7\u552e\u5831\u544a\uff0c\u4e26\u4f7f\u7528 Redis \u7684\u54c8\u5e0c\u7d50\u69cb\u4f86\u5b58\u5132\u548c\u67e5\u8a62\u6578\u64da\u3002<\/p>\n<pre><code>\nHGETALL sales_report:2023-10-01\n<\/code><\/pre>\n<h3 id=\"3-%e9%81%8a%e6%88%b2%e9%96%8b%e7%99%bc%e4%b8%ad%e7%9a%84%e5%8d%b3%e6%99%82%e8%a8%88%e5%88%86%e6%9d%bf-iQtiNZbAuv\">3. \u904a\u6232\u958b\u767c\u4e2d\u7684\u5373\u6642\u8a08\u5206\u677f<\/h3>\n<p>\u5728\u904a\u6232\u958b\u767c\u4e2d\uff0cRedis \u88ab\u5ee3\u6cdb\u7528\u65bc\u5be6\u73fe\u5373\u6642\u8a08\u5206\u677f\u3002\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u8868\u9054\u5f0f\u89e3\u8b80\u4f86\u8a08\u7b97\u548c\u66f4\u65b0\u73a9\u5bb6\u7684\u5206\u6578\uff0c\u4e26\u5373\u6642\u986f\u793a\u5728\u904a\u6232\u754c\u9762\u4e0a\u3002\u9019\u6a23\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7528\u6236\u9ad4\u9a57\uff0c\u9084\u80fd\u5920\u6e1b\u5c11\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\u3002<\/p>\n<pre><code>\nZINCRBY leaderboard player1 10\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-iQtiNZbAuv\">\u7d50\u8ad6<\/h2>\n<p>Redis 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