{"id":124745,"date":"2024-10-25T16:48:19","date_gmt":"2024-10-25T08:48:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/124745\/"},"modified":"2024-10-25T16:48:20","modified_gmt":"2024-10-25T08:48:20","slug":"redis-%e8%a8%98%e9%8c%84%e6%97%a5%e6%b4%bb%ef%bc%8c%e7%b2%be%e6%ba%96%e5%8f%8d%e6%98%a0%e6%b5%81%e9%87%8f%e8%b6%a8%e5%8b%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/124745\/","title":{"rendered":"Redis \u8a18\u9304\u65e5\u6d3b\uff0c\u7cbe\u6e96\u53cd\u6620\u6d41\u91cf\u8da8\u52e2"},"content":{"rendered":"<h1 id=\"redis-%e8%a8%98%e9%8c%84%e6%97%a5%e6%b4%bb%ef%bc%8c%e7%b2%be%e6%ba%96%e5%8f%8d%e6%98%a0%e6%b5%81%e9%87%8f%e8%b6%a8%e5%8b%a2-umiXyTOWyY\">Redis \u8a18\u9304\u65e5\u6d3b\uff0c\u7cbe\u6e96\u53cd\u6620\u6d41\u91cf\u8da8\u52e2<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u4f4d\u5316\u7684\u6642\u4ee3\uff0c\u4f01\u696d\u5c0d\u65bc\u6578\u64da\u7684\u9700\u6c42\u65e5\u76ca\u589e\u52a0\uff0c\u5c24\u5176\u662f\u5728\u7528\u6236\u884c\u70ba\u5206\u6790\u548c\u6d41\u91cf\u8da8\u52e2\u9810\u6e2c\u65b9\u9762\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5feb\u901f\u7684\u6578\u64da\u8b80\u53d6\u548c\u5beb\u5165\u80fd\u529b\uff0c\u6210\u70ba\u4e86\u8a31\u591a\u4f01\u696d\u7684\u9996\u9078\u5de5\u5177\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u8a18\u9304\u65e5\u6d3b\uff08DAU\uff09\uff0c\u4e26\u7cbe\u6e96\u53cd\u6620\u6d41\u91cf\u8da8\u52e2\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%97%a5%e6%b4%bb%ef%bc%88dau%ef%bc%89%ef%bc%9f-umiXyTOWyY\">\u4ec0\u9ebc\u662f\u65e5\u6d3b\uff08DAU\uff09\uff1f<\/h2>\n<p>\u65e5\u6d3b\uff08Daily Active Users\uff0c\u7c21\u7a31 DAU\uff09\u662f\u8861\u91cf\u4e00\u500b\u61c9\u7528\u6216\u5e73\u53f0\u6bcf\u65e5\u6d3b\u8e8d\u7528\u6236\u6578\u91cf\u7684\u6307\u6a19\u3002\u9019\u4e00\u6307\u6a19\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u4e86\u89e3\u7528\u6236\u7684\u53c3\u8207\u5ea6\u548c\u7522\u54c1\u7684\u53d7\u6b61\u8fce\u7a0b\u5ea6\u3002\u901a\u904e\u5206\u6790 DAU\uff0c\u4f01\u696d\u53ef\u4ee5\u66f4\u597d\u5730\u5236\u5b9a\u5e02\u5834\u7b56\u7565\uff0c\u512a\u5316\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87-redis%ef%bc%9f-umiXyTOWyY\">\u70ba\u4ec0\u9ebc\u9078\u64c7 Redis\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u7279\u9ede\uff0c\u4f7f\u5176\u6210\u70ba\u8a18\u9304\u65e5\u6d3b\u7684\u7406\u60f3\u9078\u64c7\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis \u7684\u6578\u64da\u64cd\u4f5c\u901f\u5ea6\u6975\u5feb\uff0c\u80fd\u5920\u5728\u6beb\u79d2\u7d1a\u5225\u5167\u5b8c\u6210\u8b80\u53d6\u548c\u5beb\u5165\uff0c\u9069\u5408\u9ad8\u983b\u6b21\u7684\u7528\u6236\u884c\u70ba\u8a18\u9304\u3002<\/li>\n<li><strong>\u6578\u64da\u7d50\u69cb\u9748\u6d3b\uff1a<\/strong>Redis \u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u80fd\u5920\u9748\u6d3b\u5730\u5b58\u5132\u7528\u6236\u884c\u70ba\u6578\u64da\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u9078\u9805\uff1a<\/strong>Redis \u63d0\u4f9b\u591a\u7a2e\u6301\u4e45\u5316\u6a5f\u5236\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u91cd\u555f\u5f8c\u6062\u5fa9\u6578\u64da\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-redis-%e8%a8%98%e9%8c%84%e6%97%a5%e6%b4%bb-umiXyTOWyY\">\u5982\u4f55\u4f7f\u7528 Redis \u8a18\u9304\u65e5\u6d3b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u8a18\u9304\u65e5\u6d3b\uff1a<\/p>\n<pre><code>import redis\nfrom datetime import datetime\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u8a18\u9304\u7528\u6236\u6d3b\u8e8d\ndef record_user_activity(user_id):\n    today = datetime.now().strftime('%Y-%m-%d')\n    r.sadd(f'dau:{today}', user_id)\n\n# \u5047\u8a2d\u7528\u6236 ID \u70ba 123\nrecord_user_activity(123)\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 Redis \u7684\u96c6\u5408\uff08set\uff09\u4f86\u8a18\u9304\u6bcf\u65e5\u6d3b\u8e8d\u7528\u6236\u3002\u6bcf\u7576\u7528\u6236\u6d3b\u8e8d\u6642\uff0c\u6211\u5011\u5c07\u5176 ID \u6dfb\u52a0\u5230\u7576\u5929\u7684\u96c6\u5408\u4e2d\u3002\u9019\u6a23\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u67e5\u8a62\u67d0\u4e00\u5929\u7684\u6d3b\u8e8d\u7528\u6236\u6578\u91cf\u3002<\/p>\n<h2 id=\"%e5%88%86%e6%9e%90%e6%b5%81%e9%87%8f%e8%b6%a8%e5%8b%a2-umiXyTOWyY\">\u5206\u6790\u6d41\u91cf\u8da8\u52e2<\/h2>\n<p>\u9664\u4e86\u8a18\u9304\u65e5\u6d3b\uff0cRedis \u9084\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u5206\u6790\u6d41\u91cf\u8da8\u52e2\u3002\u901a\u904e\u5b9a\u671f\u7d71\u8a08\u6bcf\u65e5\u6d3b\u8e8d\u7528\u6236\u6578\u91cf\uff0c\u4f01\u696d\u53ef\u4ee5\u7e6a\u88fd\u51fa\u7528\u6236\u6d3b\u8e8d\u5ea6\u7684\u8b8a\u5316\u66f2\u7dda\uff0c\u5f9e\u800c\u8b58\u5225\u51fa\u6d41\u91cf\u7684\u9ad8\u5cf0\u671f\u548c\u4f4e\u8c37\u671f\u3002<\/p>\n<pre><code># \u7372\u53d6\u67d0\u4e00\u5929\u7684\u6d3b\u8e8d\u7528\u6236\u6578\u91cf\ndef get_daily_active_users(date):\n    return r.scard(f'dau:{date}')\n\n# \u7372\u53d6\u4eca\u5929\u7684\u6d3b\u8e8d\u7528\u6236\u6578\u91cf\ntoday_dau = get_daily_active_users(datetime.now().strftime('%Y-%m-%d'))\nprint(f'Today's DAU: {today_dau}')\n<\/code><\/pre>\n<p>\u901a\u904e\u9019\u6a23\u7684\u65b9\u5f0f\uff0c\u4f01\u696d\u53ef\u4ee5\u53ca\u6642\u8abf\u6574\u5e02\u5834\u7b56\u7565\uff0c\u91dd\u5c0d\u6d41\u91cf\u9ad8\u5cf0\u671f\u9032\u884c\u4fc3\u92b7\u6d3b\u52d5\uff0c\u6216\u5728\u6d41\u91cf\u4f4e\u8c37\u671f\u52a0\u5f37\u7528\u6236\u4e92\u52d5\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-umiXyTOWyY\">\u7d50\u8ad6<\/h2>\n<p>Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u5eab\uff0c\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u7cbe\u6e96\u5730\u8a18\u9304\u65e5\u6d3b\u4e26\u5206\u6790\u6d41\u91cf\u8da8\u52e2\u3002\u901a\u904e\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u548c\u9ad8\u6027\u80fd\u7684\u6578\u64da\u64cd\u4f5c\uff0c\u4f01\u696d\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u7528\u6236\u884c\u70ba\uff0c\u5f9e\u800c\u5236\u5b9a\u66f4\u6709\u6548\u7684\u5e02\u5834\u7b56\u7565\u3002\u5c0d\u65bc\u5e0c\u671b\u63d0\u5347\u7528\u6236\u53c3\u8207\u5ea6\u548c\u589e\u5f37\u5e02\u5834\u7af6\u722d\u529b\u7684\u4f01\u696d\u4f86\u8aaa\uff0cRedis \u662f\u4e00\u500b\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">VPS<\/a> \u53ca\u5176\u5728\u6578\u64da\u8655\u7406\u4e2d\u7684\u61c9\u7528\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u8a18\u9304\u65e5\u6d3b\uff0c\u7cbe\u6e96\u53cd\u6620\u6d41\u91cf\u8da8\u52e2\uff0c\u52a9\u60a8\u6d1e\u5bdf\u7528\u6236\u884c\u70ba\uff0c\u512a\u5316\u696d\u52d9\u6c7a\u7b56\uff0c\u63d0\u5347\u904b\u71df\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-124745","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124745","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=124745"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124745\/revisions"}],"predecessor-version":[{"id":124746,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124745\/revisions\/124746"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=124745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=124745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=124745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}