{"id":167583,"date":"2024-11-06T01:53:31","date_gmt":"2024-11-05T17:53:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167583\/"},"modified":"2024-11-06T01:53:31","modified_gmt":"2024-11-05T17:53:31","slug":"%e5%88%a9%e7%94%a8redis%e7%b2%be%e6%ba%96%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e6%8e%92%e9%87%8d%ef%bc%88%e5%88%a9%e7%94%a8redis-%e6%95%b8%e6%93%9a%e6%8e%92%e9%87%8d%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167583\/","title":{"rendered":"\u5229\u7528Redis\u7cbe\u6e96\u5be6\u73fe\u6578\u64da\u6392\u91cd\uff08\u5229\u7528redis \u6578\u64da\u6392\u91cd\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e7%b2%be%e6%ba%96%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e6%8e%92%e9%87%8d-okwSGcSLmN\">\u5229\u7528Redis\u7cbe\u6e96\u5be6\u73fe\u6578\u64da\u6392\u91cd<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\u3002\u6578\u64da\u6392\u91cd\uff08Deduplication\uff09\u662f\u78ba\u4fdd\u6578\u64da\u8cea\u91cf\u7684\u4e00\u500b\u91cd\u8981\u6b65\u9a5f\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u65b9\u6cd5\u4f86\u5be6\u73fe\u6578\u64da\u6392\u91cd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u4f86\u7cbe\u6e96\u5be6\u73fe\u6578\u64da\u6392\u91cd\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e6%8e%92%e9%87%8d%ef%bc%9f-okwSGcSLmN\">\u4ec0\u9ebc\u662f\u6578\u64da\u6392\u91cd\uff1f<\/h2>\n<p>\u6578\u64da\u6392\u91cd\u662f\u6307\u5728\u6578\u64da\u96c6\u4e2d\u8b58\u5225\u548c\u79fb\u9664\u91cd\u8907\u7684\u6578\u64da\u689d\u76ee\u3002\u9019\u4e00\u904e\u7a0b\u4e0d\u50c5\u53ef\u4ee5\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\uff0c\u9084\u80fd\u63d0\u9ad8\u6578\u64da\u8655\u7406\u7684\u6548\u7387\u3002\u6578\u64da\u6392\u91cd\u5728\u8a31\u591a\u61c9\u7528\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u91cd\u8981\uff0c\u4f8b\u5982\u7528\u6236\u8a3b\u518a\u3001\u6578\u64da\u5206\u6790\u548c\u65e5\u8a8c\u7ba1\u7406\u7b49\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%ef%bc%9f-okwSGcSLmN\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u4ee5\u4e0b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>Redis\u7684\u6578\u64da\u64cd\u4f5c\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u9069\u5408\u8655\u7406\u5927\u91cf\u7684\u6578\u64da\u8acb\u6c42\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\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\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\uff1a<\/strong>\u652f\u6301\u6578\u64da\u6301\u4e45\u5316\uff0c\u80fd\u5920\u5728\u91cd\u555f\u5f8c\u6062\u5fa9\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e6%8e%92%e9%87%8d%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%96%b9%e6%b3%95-okwSGcSLmN\">\u5229\u7528Redis\u5be6\u73fe\u6578\u64da\u6392\u91cd\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u6578\u64da\u7d50\u69cb\u662f\u96c6\u5408\uff08Set\uff09\u3002\u96c6\u5408\u662f\u4e00\u7a2e\u4e0d\u5141\u8a31\u91cd\u8907\u5143\u7d20\u7684\u6578\u64da\u7d50\u69cb\uff0c\u56e0\u6b64\u975e\u5e38\u9069\u5408\u7528\u65bc\u6578\u64da\u6392\u91cd\u3002\u4ee5\u4e0b\u662f\u5229\u7528Redis\u96c6\u5408\u5be6\u73fe\u6578\u64da\u6392\u91cd\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%b7%bb%e5%8a%a0%e6%95%b8%e6%93%9a%e5%88%b0%e9%9b%86%e5%90%88-okwSGcSLmN\">1. \u6dfb\u52a0\u6578\u64da\u5230\u96c6\u5408<\/h3>\n<p>\u4f7f\u7528Redis\u7684SADD\u547d\u4ee4\u53ef\u4ee5\u5c07\u6578\u64da\u6dfb\u52a0\u5230\u96c6\u5408\u4e2d\u3002\u5982\u679c\u6578\u64da\u5df2\u7d93\u5b58\u5728\uff0c\u5247\u4e0d\u6703\u91cd\u8907\u6dfb\u52a0\u3002<\/p>\n<pre><code>127.0.0.1:6379&gt; SADD users \"user1\"\n(integer) 1\n127.0.0.1:6379&gt; SADD users \"user1\"\n(integer) 0\n<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u7b2c\u4e00\u6b21\u6dfb\u52a0&#8221;user1&#8243;\u8fd4\u56de1\uff0c\u8868\u793a\u6210\u529f\u6dfb\u52a0\uff1b\u7b2c\u4e8c\u6b21\u6dfb\u52a0\u5247\u8fd4\u56de0\uff0c\u8868\u793a&#8221;user1&#8243;\u5df2\u7d93\u5b58\u5728\u3002<\/p>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e6%98%af%e5%90%a6%e5%ad%98%e5%9c%a8-okwSGcSLmN\">2. \u6aa2\u67e5\u6578\u64da\u662f\u5426\u5b58\u5728<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528SISMEMBER\u547d\u4ee4\u4f86\u6aa2\u67e5\u67d0\u500b\u5143\u7d20\u662f\u5426\u5728\u96c6\u5408\u4e2d\u3002<\/p>\n<pre><code>127.0.0.1:6379&gt; SISMEMBER users \"user1\"\n(integer) 1\n127.0.0.1:6379&gt; SISMEMBER users \"user2\"\n(integer) 0\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5feb\u901f\u78ba\u8a8d\u67d0\u500b\u7528\u6236\u662f\u5426\u5df2\u7d93\u8a3b\u518a\u3002<\/p>\n<h3 id=\"3-%e5%88%aa%e9%99%a4%e9%87%8d%e8%a4%87%e6%95%b8%e6%93%9a-okwSGcSLmN\">3. \u522a\u9664\u91cd\u8907\u6578\u64da<\/h3>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u67d0\u500b\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528SREM\u547d\u4ee4\u3002<\/p>\n<pre><code>127.0.0.1:6379&gt; SREM users \"user1\"\n(integer) 1\n<\/code><\/pre>\n<h2 id=\"%e9%80%b2%e9%9a%8e%e6%87%89%e7%94%a8%ef%bc%9a%e4%bd%bf%e7%94%a8redis%e7%9a%84hyperloglog-okwSGcSLmN\">\u9032\u968e\u61c9\u7528\uff1a\u4f7f\u7528Redis\u7684HyperLogLog<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528\u96c6\u5408\uff0cRedis\u9084\u63d0\u4f9b\u4e86HyperLogLog\u6578\u64da\u7d50\u69cb\uff0c\u9019\u662f\u4e00\u7a2e\u7528\u65bc\u4f30\u7b97\u552f\u4e00\u5143\u7d20\u6578\u91cf\u7684\u6982\u7387\u6027\u6578\u64da\u7d50\u69cb\u3002\u5b83\u7684\u512a\u52e2\u5728\u65bc\u80fd\u5920\u4ee5\u6975\u5c0f\u7684\u5167\u5b58\u4f7f\u7528\u91cf\u4f86\u4f30\u7b97\u5927\u91cf\u6578\u64da\u7684\u552f\u4e00\u6027\u3002<\/p>\n<pre><code>127.0.0.1:6379&gt; PFADD unique_users \"user1\" \"user2\" \"user3\"\n(integer) 3\n127.0.0.1:6379&gt; PFCOUNT unique_users\n(integer) 3\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5728\u4e0d\u5b58\u5132\u6240\u6709\u5143\u7d20\u7684\u60c5\u6cc1\u4e0b\uff0c\u5feb\u901f\u7372\u53d6\u552f\u4e00\u7528\u6236\u7684\u6578\u91cf\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-okwSGcSLmN\">\u7d50\u8ad6<\/h2>\n<p>\u5229\u7528Redis\u9032\u884c\u6578\u64da\u6392\u91cd\u662f\u4e00\u7a2e\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u65b9\u6cd5\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u96c6\u5408\u9084\u662fHyperLogLog\uff0cRedis\u90fd\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u7684\u53bb\u91cd\u64cd\u4f5c\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u9078\u64c7\u5408\u9069\u7684\u5de5\u5177\u4f86\u7ba1\u7406\u548c\u8655\u7406\u6578\u64da\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u60a8\u7684\u6578\u64da\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72Redis\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u64f4\u5c55\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528Redis\u9ad8\u6548\u5be6\u73fe\u6578\u64da\u6392\u91cd\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6027\u80fd\uff0c\u78ba\u4fdd\u6578\u64da\u552f\u4e00\u6027\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\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-167583","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167583","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=167583"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167583\/revisions"}],"predecessor-version":[{"id":167584,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167583\/revisions\/167584"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167583"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}