{"id":33617,"date":"2023-06-16T07:53:07","date_gmt":"2024-02-21T08:37:21","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/redis%e7%9a%84srandmember%e6%9c%89%e9%97%ae%e9%a2%98%e3%80%82\/"},"modified":"2024-04-30T09:08:24","modified_gmt":"2024-04-30T01:08:24","slug":"redis%e7%9a%84srandmember%e6%9c%89%e9%97%ae%e9%a2%98%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/redis%e7%9a%84srandmember%e6%9c%89%e9%97%ae%e9%a2%98%e3%80%82\/","title":{"rendered":"Redis\u7684srandmember\u6709\u95ee\u9898"},"content":{"rendered":"<h1>Redis \u7684 srandmember \u65b9\u6cd5\u7684\u7ed3\u679c\u4e0d\u6b63\u5e38\u3002<\/h1>\n<h2>\u73b0\u8c61<\/h2>\n<p>\u89c2\u5bdf<\/p>\n<p>\u5728Redis\u7684\u96c6\u5408\u6570\u636e\u7c7b\u578b\u4e2d\u6709\u4e00\u4e2a\u51fd\u6570\u53eb\u505asrandmember\uff0c\u4f46\u662f\u6211\u53d1\u73b0\u8fd9\u4e2a\u51fd\u6570\u7684\u5206\u5e03\u5f62\u5f0f\u6709\u4e9b\u5947\u602a\uff0c\u6240\u4ee5\u6211\u60f3\u8bb0\u5f55\u4e00\u4e0b\u4f5c\u4e3a\u5907\u5fd8\u5f55\u3002<\/p>\n<h2>\u4ec0\u4e48\u65f6\u5019\u4f1a\u53d8\u5f97\u5947\u602a\uff1f<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ad\u30fc\u304c\u6570\u5024\u306e\u5834\u5408\u306b\u306f\u554f\u984c\u304c\u7121\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ad\u30fc\u304c\u6587\u5b57\u5217\u306b\u78ba\u7387\u304c\u304a\u304b\u3057\u304f\u306a\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ad\u30fc\u304c\u6587\u5b57\u5217\u3067\u3082\u78ba\u7387\u304c\u304a\u304b\u3057\u304f\u306a\u3089\u306a\u3044\u5834\u5408\u304c\u3042\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6587\u5b57\u5217\u306e\u3068\u304d\u306e\u6761\u4ef6\u306f\u308f\u304b\u3089\u306a\u3044\u3002(\u305d\u3053\u307e\u3067\u8abf\u3079\u308b\u6c17\u3082\u3042\u307e\u308a\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30ad\u30fc\u306f\u6570\u5024\u3092\u4f7f\u3063\u305f\u65b9\u304c\u3044\u3044\u3088<\/ul>\n<h2>\u518d\u73b0\u4ee3\u7801<\/h2>\n<pre class=\"post-pre\"><code><span class=\"c1\">#!\/usr\/bin\/env perl<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"mf\">5.16.2<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nv\">strict<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nv\">warnings<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nv\">utf8<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">use<\/span> <span class=\"nn\">Redis::<\/span><span class=\"nv\">Fast<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">my<\/span> <span class=\"nv\">$redis<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Redis::<\/span><span class=\"nv\">Fast<\/span><span class=\"o\">-&gt;<\/span><span class=\"k\">new<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">my<\/span> <span class=\"nv\">$elements_count<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">5<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">my<\/span> <span class=\"nv\">$try_count<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1000<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">my<\/span> <span class=\"nv\">$result<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nv\">$redis<\/span><span class=\"o\">-&gt;<\/span><span class=\"nv\">del<\/span><span class=\"p\">(\"<\/span><span class=\"s2\">test<\/span><span class=\"p\">\");<\/span>\r\n<span class=\"nv\">$result<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{};<\/span>\r\n\r\n<span class=\"nv\">say<\/span> <span class=\"p\">\"<\/span><span class=\"s2\">### \u8981\u7d20\u6570 <\/span><span class=\"si\">$elements_count<\/span><span class=\"s2\"> \u6570\u5024\u306e\u5834\u5408<\/span><span class=\"p\">\";<\/span>\r\n<span class=\"nv\">say<\/span> <span class=\"p\">\"<\/span><span class=\"s2\">|\u30ad\u30fc\u540d|\u53d6\u5f97\u6570|\u78ba\u7387|<\/span><span class=\"p\">\";<\/span>\r\n<span class=\"nv\">say<\/span> <span class=\"p\">\"<\/span><span class=\"s2\">| ---- | ---- | ---- |<\/span><span class=\"p\">\";<\/span>\r\n<span class=\"nv\">$redis<\/span><span class=\"o\">-&gt;<\/span><span class=\"nv\">sadd<\/span><span class=\"p\">(\"<\/span><span class=\"s2\">test<\/span><span class=\"p\">\"<\/span> <span class=\"p\">,<\/span> <span class=\"vg\">$_<\/span><span class=\"p\">)<\/span> <span class=\"k\">for<\/span> <span class=\"mi\">1<\/span><span class=\"o\">..<\/span><span class=\"nv\">$elements_count<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$result<\/span><span class=\"o\">-&gt;<\/span><span class=\"p\">{<\/span><span class=\"nv\">$redis<\/span><span class=\"o\">-&gt;<\/span><span class=\"nv\">srandmember<\/span><span class=\"p\">(\"<\/span><span class=\"s2\">test<\/span><span class=\"p\">\")}<\/span><span class=\"o\">++<\/span> <span class=\"k\">for<\/span> <span class=\"mi\">1<\/span><span class=\"o\">..<\/span><span class=\"nv\">$try_count<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">for<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">..<\/span><span class=\"nv\">$elements_count<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"nv\">say<\/span> <span class=\"p\">\"<\/span><span class=\"s2\">|<\/span><span class=\"p\">\"<\/span> <span class=\"o\">.<\/span> <span class=\"p\">(<\/span><span class=\"nb\">join<\/span> <span class=\"p\">\"<\/span><span class=\"s2\"> | <\/span><span class=\"p\">\"<\/span> <span class=\"p\">,<\/span> <span class=\"nb\">sprintf<\/span><span class=\"p\">(\"<\/span><span class=\"s2\">%-4s<\/span><span class=\"p\">\",<\/span> <span class=\"vg\">$_<\/span><span class=\"p\">)<\/span> <span class=\"p\">,<\/span> <span class=\"nb\">sprintf<\/span><span class=\"p\">(\"<\/span><span class=\"s2\">%-3s<\/span><span class=\"p\">\"<\/span> <span class=\"p\">,<\/span> <span class=\"nv\">$result<\/span><span class=\"o\">-&gt;<\/span><span class=\"p\">{<\/span><span class=\"vg\">$_<\/span><span class=\"p\">})<\/span> <span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"mi\">100<\/span> <span class=\"o\">*<\/span> <span class=\"nv\">$result<\/span><span class=\"o\">-&gt;<\/span><span class=\"p\">{<\/span><span class=\"vg\">$_<\/span><span class=\"p\">}<\/span> <span class=\"o\">\/<\/span> <span class=\"nv\">$try_count<\/span><span class=\"p\">)<\/span> <span class=\"o\">.<\/span> <span class=\"p\">\"<\/span><span class=\"s2\">%<\/span><span class=\"p\">\")<\/span> <span class=\"o\">.<\/span> <span class=\"p\">\"<\/span><span class=\"s2\">|<\/span><span class=\"p\">\";<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nv\">$redis<\/span><span class=\"o\">-&gt;<\/span><span class=\"nv\">del<\/span><span class=\"p\">(\"<\/span><span class=\"s2\">test<\/span><span class=\"p\">\");<\/span>\r\n<span class=\"nv\">$result<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{};<\/span>\r\n\r\n<span class=\"nv\">say<\/span> <span class=\"p\">\"\";<\/span>\r\n<span class=\"nv\">say<\/span> <span class=\"p\">\"<\/span><span class=\"s2\">### \u8981\u7d20\u6570 <\/span><span class=\"si\">$elements_count<\/span><span class=\"s2\"> \u6587\u5b57\u5217\u306e\u5834\u5408<\/span><span class=\"p\">\";<\/span>\r\n<span class=\"nv\">say<\/span> <span class=\"p\">\"<\/span><span class=\"s2\">\u30ad\u30fc\u540d|\u53d6\u5f97\u6570|\u78ba\u7387<\/span><span class=\"p\">\";<\/span>\r\n<span class=\"nv\">$redis<\/span><span class=\"o\">-&gt;<\/span><span class=\"nv\">sadd<\/span><span class=\"p\">(\"<\/span><span class=\"s2\">test<\/span><span class=\"p\">\"<\/span> <span class=\"p\">,<\/span> <span class=\"p\">\"<\/span><span class=\"s2\">test<\/span><span class=\"si\">$_<\/span><span class=\"p\">\")<\/span> <span class=\"k\">for<\/span> <span class=\"mi\">1<\/span><span class=\"o\">..<\/span><span class=\"nv\">$elements_count<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$result<\/span><span class=\"o\">-&gt;<\/span><span class=\"p\">{<\/span><span class=\"nv\">$redis<\/span><span class=\"o\">-&gt;<\/span><span class=\"nv\">srandmember<\/span><span class=\"p\">(\"<\/span><span class=\"s2\">test<\/span><span class=\"p\">\")}<\/span><span class=\"o\">++<\/span> <span class=\"k\">for<\/span> <span class=\"mi\">1<\/span><span class=\"o\">..<\/span><span class=\"nv\">$try_count<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">for<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">..<\/span><span class=\"nv\">$elements_count<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"nv\">say<\/span> <span class=\"p\">\"<\/span><span class=\"s2\">|<\/span><span class=\"p\">\"<\/span> <span class=\"o\">.<\/span> <span class=\"p\">(<\/span><span class=\"nb\">join<\/span> <span class=\"p\">\"<\/span><span class=\"s2\"> | <\/span><span class=\"p\">\"<\/span> <span class=\"p\">,<\/span> <span class=\"nb\">sprintf<\/span><span class=\"p\">(\"<\/span><span class=\"s2\">%-8s<\/span><span class=\"p\">\",<\/span> <span class=\"p\">\"<\/span><span class=\"s2\">test<\/span><span class=\"si\">$_<\/span><span class=\"p\">\")<\/span> <span class=\"p\">,<\/span> <span class=\"nb\">sprintf<\/span><span class=\"p\">(\"<\/span><span class=\"s2\">%-3s<\/span><span class=\"p\">\"<\/span> <span class=\"p\">,<\/span> <span class=\"nv\">$result<\/span><span class=\"o\">-&gt;<\/span><span class=\"p\">{\"<\/span><span class=\"s2\">test<\/span><span class=\"si\">$_<\/span><span class=\"p\">\"})<\/span> <span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"mi\">100<\/span> <span class=\"o\">*<\/span> <span class=\"nv\">$result<\/span><span class=\"o\">-&gt;<\/span><span class=\"p\">{\"<\/span><span class=\"s2\">test<\/span><span class=\"si\">$_<\/span><span class=\"p\">\"}<\/span> <span class=\"o\">\/<\/span> <span class=\"nv\">$try_count<\/span><span class=\"p\">)<\/span> <span class=\"o\">.<\/span> <span class=\"p\">\"<\/span><span class=\"s2\">%<\/span><span class=\"p\">\")<\/span> <span class=\"o\">.<\/span> <span class=\"p\">\"<\/span><span class=\"s2\">|<\/span><span class=\"p\">\";<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<h2>\u7ed3\u679c<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u8981\u7d20\u65705\u500b,\u8a66\u884c\u56de\u6570\u306f1000\u56de\u306e\u6642\u3001\u6587\u5b57\u5217\u306e\u5834\u5408\u306e\u53d6\u5f97\u78ba\u7387\u304c\u5747\u7b49\u306b\u306a\u3063\u3066\u3044\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u8981\u7d20\u657010\u500b,\u8a66\u884c\u56de\u6570\u306f1000\u56de\u306e\u6642\u3001\u6587\u5b57\u5217\u306e\u53d6\u5f97\u304c\u5747\u7b49\u306b\u306a\u3063\u3066\u3044\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u8981\u7d20\u657020\u500b,\u8a66\u884c\u56de\u657010\u4e07\u56de\u306e\u6642\u3001\u5747\u7b49\u306b\u306a\u3063\u3066\u3044\u306a\u3044<\/ul>\n<h3>\u8981\u7d20\u7684\u6570\u91cf\u4e3a5\u65f6<\/h3>\n<div>\n<div class=\"post-table\">\u30ad\u30fc\u540d\u53d6\u5f97\u6570\u78ba\u7387119519.5%220920.9%320920.9%419519.5%519219.2%<\/div>\n<\/div>\n<h3>\u5982\u679c\u662f\u4e00\u4e2a\u5305\u542b5\u4e2a\u5143\u7d20\u7684\u5b57\u7b26\u4e32\u7684\u8bdd<\/h3>\n<div>\n<div class=\"post-table\">\u30ad\u30fc\u540d\u53d6\u5f97\u6570\u78ba\u7387test112512.5%test212812.8%test324924.9%test423123.1%test526726.7%<\/div>\n<\/div>\n<h3>\u5982\u679c\u8981\u7d20\u7684\u6570\u91cf\u662f10\uff0c\u5e76\u4e14\u662f\u6570\u5b57\u3002<\/h3>\n<div>\n<div class=\"post-table\">\u30ad\u30fc\u540d\u53d6\u5f97\u6570\u78ba\u7387110710.7%2919.1%310310.3%4828.2%510310.3%6939.3%710310.3%812712.7%9949.4%10979.7%<\/div>\n<\/div>\n<h3>\u5982\u679c\u8981\u7d20\u6570\u4e3a10\u7684\u8bdd<\/h3>\n<div>\n<div class=\"post-table\">\u30ad\u30fc\u540d\u53d6\u5f97\u6570\u78ba\u7387test110610.6%test210310.3%test310710.7%test4969.6%test5898.9%test6999.9%test710310.3%test8787.8%test9959.5%test1012412.4%<\/div>\n<\/div>\n<h3>\u5982\u679c\u8981\u7d20\u6570\u91cf\u4e3a20\u4e2a\u4e14\u4e3a\u6570\u5b57\u7684\u60c5\u51b5\u4e0b<\/h3>\n<div>\n<div class=\"post-table\">\u30ad\u30fc\u540d\u53d6\u5f97\u6570\u78ba\u7387150355.035%250515.051%350505.05%449514.951%551485.148%650825.082%750735.073%850225.022%949224.922%1049834.983%1148704.87%1249294.929%1348974.897%1449244.924%1549934.993%1649514.951%1750565.056%1850245.024%1949654.965%2050745.074%<\/div>\n<\/div>\n<h3>\u5982\u679c\u662f\u4e00\u4e2a\u753120\u4e2a\u5143\u7d20\u7ec4\u6210\u7684\u5b57\u7b26\u4e32\u7684\u60c5\u51b5\u3002<\/h3>\n<div>\n<div class=\"post-table\">\u30ad\u30fc\u540d\u53d6\u5f97\u6570\u78ba\u7387test166996.699%test265606.56%test333843.384%test433833.383%test565936.593%test666846.684%test765656.565%test833313.331%test966446.644%test1067856.785%test1122552.255%test1233593.359%test1366906.69%test1467406.74%test1533803.38%test1621932.193%test1766816.681%test1866406.64%test1932323.232%test2022022.202%<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u7684 srandmember \u65b9\u6cd5\u7684\u7ed3\u679c\u4e0d\u6b63\u5e38\u3002 \u73b0\u8c61 \u89c2\u5bdf \u5728Redis\u7684\u96c6\u5408\u6570\u636e\u7c7b\u578b\u4e2d\u6709\u4e00\u4e2a\u51fd\u6570 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-33617","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Redis\u7684srandmember\u6709\u95ee\u9898 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/redis\u7684srandmember\u6709\u95ee\u9898\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Redis\u7684srandmember\u6709\u95ee\u9898\" \/>\n<meta property=\"og:description\" content=\"Redis \u7684 srandmember \u65b9\u6cd5\u7684\u7ed3\u679c\u4e0d\u6b63\u5e38\u3002 \u73b0\u8c61 \u89c2\u5bdf \u5728Redis\u7684\u96c6\u5408\u6570\u636e\u7c7b\u578b\u4e2d\u6709\u4e00\u4e2a\u51fd\u6570 [&hellip;]\" \/>\n<meta property=\"og:url\" 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