{"id":174513,"date":"2024-11-07T22:30:31","date_gmt":"2024-11-07T14:30:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174513\/"},"modified":"2024-11-07T22:30:32","modified_gmt":"2024-11-07T14:30:32","slug":"%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e6%9f%a5%e8%a9%a2redis%e4%b8%ad%e7%9a%84%e6%95%b8%e9%87%8f%ef%bc%88%e5%a6%82%e4%bd%95%e6%9f%a5redis%e7%9a%84%e6%95%b8%e9%87%8f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174513\/","title":{"rendered":"\u5982\u4f55\u5feb\u901f\u67e5\u8a62Redis\u4e2d\u7684\u6578\u91cf\uff08\u5982\u4f55\u67e5redis\u7684\u6578\u91cf\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e6%9f%a5%e8%a9%a2redis%e4%b8%ad%e7%9a%84%e6%95%b8%e9%87%8f%ef%bc%88%e5%a6%82%e4%bd%95%e6%9f%a5redis%e7%9a%84%e6%95%b8%e9%87%8f%ef%bc%89-oVmhrFZCcv\">\u5982\u4f55\u5feb\u901f\u67e5\u8a62Redis\u4e2d\u7684\u6578\u91cf\uff08\u5982\u4f55\u67e5redis\u7684\u6578\u91cf\uff09<\/h1>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u7531\u65bc\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0c\u8a31\u591a\u958b\u767c\u8005\u9078\u64c7\u4f7f\u7528Redis\u4f86\u7ba1\u7406\u6578\u64da\u3002\u5728\u4f7f\u7528Redis\u7684\u904e\u7a0b\u4e2d\uff0c\u7d93\u5e38\u9700\u8981\u67e5\u8a62\u67d0\u500b\u9375\u7684\u6578\u91cf\u6216\u96c6\u5408\u7684\u5927\u5c0f\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5feb\u901f\u67e5\u8a62Redis\u4e2d\u6578\u91cf\u7684\u65b9\u6cd5\u3002<\/p>\n<h2>1. \u4f7f\u7528 <code>DBSIZE<\/code> \u547d\u4ee4<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u7684\u547d\u4ee4 <code>DBSIZE<\/code>\uff0c\u7528\u65bc\u8fd4\u56de\u7576\u524d\u6578\u64da\u5eab\u4e2d\u9375\u7684\u6578\u91cf\u3002\u9019\u500b\u547d\u4ee4\u975e\u5e38\u9069\u5408\u7528\u65bc\u5feb\u901f\u7372\u53d6\u6574\u500b\u6578\u64da\u5eab\u7684\u9375\u6578\u91cf\u3002<\/p>\n<pre><code>127.0.0.1:6379&gt; DBSIZE\n(integer) 42\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u8fd4\u56de\u7684\u6578\u5b57\u8868\u793a\u7576\u524d\u6578\u64da\u5eab\u4e2d\u5b58\u572842\u500b\u9375\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9019\u500b\u547d\u4ee4\u53ea\u8a08\u7b97\u7576\u524d\u6578\u64da\u5eab\u7684\u9375\u6578\u91cf\uff0c\u800c\u4e0d\u6703\u8003\u616e\u5176\u4ed6\u6578\u64da\u5eab\u3002<\/p>\n<h2>2. \u4f7f\u7528 <code>SCARD<\/code> \u547d\u4ee4\u67e5\u8a62\u96c6\u5408\u7684\u5927\u5c0f<\/h2>\n<p>\u5982\u679c\u4f60\u4f7f\u7528Redis\u7684\u96c6\u5408\uff08Set\uff09\u4f86\u5b58\u5132\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>SCARD<\/code> \u547d\u4ee4\u4f86\u67e5\u8a62\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u6578\u91cf\u3002\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u6307\u5b9a\u96c6\u5408\u7684\u5927\u5c0f\u3002<\/p>\n<pre><code>127.0.0.1:6379&gt; SADD myset \"value1\"\n(integer) 1\n127.0.0.1:6379&gt; SADD myset \"value2\"\n(integer) 1\n127.0.0.1:6379&gt; SCARD myset\n(integer) 2\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5411\u96c6\u5408 <code>myset<\/code> \u4e2d\u6dfb\u52a0\u4e86\u5169\u500b\u503c\uff0c\u7136\u5f8c\u4f7f\u7528 <code>SCARD<\/code> \u547d\u4ee4\u67e5\u8a62\u96c6\u5408\u7684\u5927\u5c0f\uff0c\u7d50\u679c\u986f\u793a\u70ba2\u3002<\/p>\n<h2>3. \u4f7f\u7528 <code>LLEN<\/code> \u547d\u4ee4\u67e5\u8a62\u5217\u8868\u7684\u5927\u5c0f<\/h2>\n<p>\u5c0d\u65bc\u5217\u8868\uff08List\uff09\u985e\u578b\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>LLEN<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u5217\u8868\u4e2d\u7684\u5143\u7d20\u6578\u91cf\u3002\u9019\u500b\u547d\u4ee4\u540c\u6a23\u975e\u5e38\u7c21\u55ae\u6613\u7528\u3002<\/p>\n<pre><code>127.0.0.1:6379&gt; LPUSH mylist \"value1\"\n(integer) 1\n127.0.0.1:6379&gt; LPUSH mylist \"value2\"\n(integer) 2\n127.0.0.1:6379&gt; LLEN mylist\n(integer) 2\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5411\u5217\u8868 <code>mylist<\/code> \u4e2d\u6dfb\u52a0\u4e86\u5169\u500b\u503c\uff0c\u7136\u5f8c\u4f7f\u7528 <code>LLEN<\/code> \u547d\u4ee4\u67e5\u8a62\u5217\u8868\u7684\u5927\u5c0f\uff0c\u7d50\u679c\u986f\u793a\u70ba2\u3002<\/p>\n<h2>4. \u4f7f\u7528 <code>HLEN<\/code> \u547d\u4ee4\u67e5\u8a62\u54c8\u5e0c\u7684\u5927\u5c0f<\/h2>\n<p>\u5982\u679c\u4f60\u4f7f\u7528\u54c8\u5e0c\uff08Hash\uff09\u4f86\u5b58\u5132\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>HLEN<\/code> \u547d\u4ee4\u4f86\u67e5\u8a62\u54c8\u5e0c\u4e2d\u5b57\u6bb5\u7684\u6578\u91cf\u3002<\/p>\n<pre><code>127.0.0.1:6379&gt; HSET myhash field1 \"value1\"\n(integer) 1\n127.0.0.1:6379&gt; HSET myhash field2 \"value2\"\n(integer) 1\n127.0.0.1:6379&gt; HLEN myhash\n(integer) 2\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5411\u54c8\u5e0c <code>myhash<\/code> \u4e2d\u6dfb\u52a0\u4e86\u5169\u500b\u5b57\u6bb5\uff0c\u7136\u5f8c\u4f7f\u7528 <code>HLEN<\/code> \u547d\u4ee4\u67e5\u8a62\u54c8\u5e0c\u7684\u5927\u5c0f\uff0c\u7d50\u679c\u986f\u793a\u70ba2\u3002<\/p>\n<h2>5. \u4f7f\u7528 <code>KEYS<\/code> \u547d\u4ee4\u67e5\u8a62\u7279\u5b9a\u6a21\u5f0f\u7684\u9375<\/h2>\n<p>\u5982\u679c\u9700\u8981\u67e5\u8a62\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>KEYS<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u6240\u6709\u7b26\u5408\u6a21\u5f0f\u7684\u9375\uff0c\u7136\u5f8c\u53ef\u4ee5\u4f7f\u7528 <code>COUNT<\/code> \u51fd\u6578\u4f86\u8a08\u7b97\u6578\u91cf\u3002<\/p>\n<pre><code>127.0.0.1:6379&gt; KEYS *\n1) \"myset\"\n2) \"mylist\"\n3) \"myhash\"\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528 <code>KEYS *<\/code> \u547d\u4ee4\u67e5\u8a62\u6240\u6709\u9375\uff0c\u8fd4\u56de\u4e86\u4e09\u500b\u9375\u3002\u4f60\u53ef\u4ee5\u6839\u64da\u9700\u8981\u4f7f\u7528\u5176\u4ed6\u6a21\u5f0f\u4f86\u904e\u6ffe\u9375\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-oVmhrFZCcv\">\u7e3d\u7d50<\/h2>\n<p>\u5728Redis\u4e2d\u67e5\u8a62\u6578\u91cf\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u6839\u64da\u4e0d\u540c\u7684\u6578\u64da\u985e\u578b\u53ef\u4ee5\u9078\u64c7\u76f8\u61c9\u7684\u547d\u4ee4\u3002\u7121\u8ad6\u662f\u4f7f\u7528 <code>DBSIZE<\/code> \u7372\u53d6\u6574\u500b\u6578\u64da\u5eab\u7684\u9375\u6578\u91cf\uff0c\u9084\u662f\u4f7f\u7528 <code>SCARD<\/code>\u3001<code>LLEN<\/code> \u548c <code>HLEN<\/code> \u5206\u5225\u67e5\u8a62\u96c6\u5408\u3001\u5217\u8868\u548c\u54c8\u5e0c\u7684\u5927\u5c0f\uff0c\u9019\u4e9b\u547d\u4ee4\u90fd\u80fd\u5920\u5feb\u901f\u6709\u6548\u5730\u5e6b\u52a9\u958b\u767c\u8005\u7372\u53d6\u6240\u9700\u7684\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u4f60\u7684Redis\u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u512a\u8cea\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5feb\u901f\u67e5\u8a62Redis\u4e2d\u7684\u6578\u91cf\uff0c\u5b78\u7fd2\u4f7f\u7528Redis\u547d\u4ee4\u548c\u5de5\u5177\uff0c\u8f15\u9b06\u7372\u53d6\u6578\u64da\u91cf\u548c\u9375\u503c\u7d71\u8a08\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-174513","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174513","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=174513"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174513\/revisions"}],"predecessor-version":[{"id":174514,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174513\/revisions\/174514"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174513"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174513"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}