{"id":189374,"date":"2024-11-12T07:09:23","date_gmt":"2024-11-11T23:09:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/189374\/"},"modified":"2024-11-12T07:09:24","modified_gmt":"2024-11-11T23:09:24","slug":"%e7%b5%b1%e8%a8%88redis%e4%b8%adkey%e7%9a%84%e6%95%b8%e9%87%8f%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%b4%a2%ef%bc%88redis%e7%b5%b1%e8%a8%88key%e6%95%b8%e7%9b%ae%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/189374\/","title":{"rendered":"\u7d71\u8a08redis\u4e2dkey\u7684\u6578\u91cf\u6df1\u5165\u63a2\u7d22\uff08redis\u7d71\u8a08key\u6578\u76ee\uff09"},"content":{"rendered":"<h1 id=\"%e7%b5%b1%e8%a8%88redis%e4%b8%adkey%e7%9a%84%e6%95%b8%e9%87%8f%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%b4%a2%ef%bc%88redis%e7%b5%b1%e8%a8%88key%e6%95%b8%e7%9b%ae%ef%bc%89-YQOiZwmQcl\">\u7d71\u8a08Redis\u4e2dKey\u7684\u6578\u91cf\u6df1\u5165\u63a2\u7d22\uff08Redis\u7d71\u8a08Key\u6578\u76ee\uff09<\/h1>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u589e\u9577\uff0c\u7ba1\u7406\u548c\u76e3\u63a7Redis\u4e2d\u7684Key\u6578\u91cf\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u7d71\u8a08Redis\u4e2dKey\u7684\u6578\u91cf\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\u548c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e8%a6%81%e7%b5%b1%e8%a8%88redis%e4%b8%ad%e7%9a%84key%e6%95%b8%e9%87%8f%ef%bc%9f-YQOiZwmQcl\">\u70ba\u4ec0\u9ebc\u8981\u7d71\u8a08Redis\u4e2d\u7684Key\u6578\u91cf\uff1f<\/h2>\n<p>\u7d71\u8a08Redis\u4e2d\u7684Key\u6578\u91cf\u6709\u52a9\u65bc\u4e86\u89e3\u6578\u64da\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u4e26\u80fd\u5920\u53ca\u6642\u767c\u73fe\u6f5b\u5728\u7684\u6027\u80fd\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4e3b\u8981\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u8cc7\u6e90\u7ba1\u7406\uff1a<\/strong>\u4e86\u89e3Key\u7684\u6578\u91cf\u53ef\u4ee5\u5e6b\u52a9\u7ba1\u7406Redis\u7684\u5167\u5b58\u4f7f\u7528\uff0c\u907f\u514d\u56e0\u70baKey\u904e\u591a\u800c\u5c0e\u81f4\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u6578\u64da\u6e05\u7406\uff1a<\/strong>\u5b9a\u671f\u7d71\u8a08Key\u7684\u6578\u91cf\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\uff0c\u5f9e\u800c\u9032\u884c\u6e05\u7406\uff0c\u91cb\u653e\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u6027\u80fd\u76e3\u63a7\uff1a<\/strong>Key\u7684\u6578\u91cf\u8b8a\u5316\u53ef\u80fd\u6703\u5f71\u97ffRedis\u7684\u6027\u80fd\uff0c\u53ca\u6642\u76e3\u63a7\u53ef\u4ee5\u5e6b\u52a9\u53ca\u65e9\u767c\u73fe\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e7%b5%b1%e8%a8%88redis%e4%b8%ad%e7%9a%84key%e6%95%b8%e9%87%8f-YQOiZwmQcl\">\u5982\u4f55\u7d71\u8a08Redis\u4e2d\u7684Key\u6578\u91cf<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u7d71\u8a08Key\u7684\u6578\u91cf\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8dbsize%e5%91%bd%e4%bb%a4-YQOiZwmQcl\">1. \u4f7f\u7528`DBSIZE`\u547d\u4ee4<\/h3>\n<p>Redis\u7684`DBSIZE`\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u7372\u53d6\u7576\u524d\u6578\u64da\u5eab\u4e2dKey\u7684\u7e3d\u6578\u3002\u9019\u662f\u4e00\u500b\u975e\u5e38\u7c21\u55ae\u7684\u65b9\u6cd5\uff0c\u9069\u5408\u5feb\u901f\u67e5\u770bKey\u7684\u6578\u91cf\u3002<\/p>\n<pre><code>127.0.0.1:6379&gt; DBSIZE\n(integer) 100\n<\/code><\/pre>\n<p>\u9019\u88e1\u7684\u8fd4\u56de\u503c\u8868\u793a\u7576\u524d\u6578\u64da\u5eab\u4e2d\u6709100\u500bKey\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8scan%e5%91%bd%e4%bb%a4-YQOiZwmQcl\">2. \u4f7f\u7528`SCAN`\u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u9700\u8981\u66f4\u8a73\u7d30\u7684Key\u7d71\u8a08\uff0c`SCAN`\u547d\u4ee4\u662f\u4e00\u500b\u66f4\u9748\u6d3b\u7684\u9078\u64c7\u3002`SCAN`\u547d\u4ee4\u53ef\u4ee5\u9010\u6b65\u904d\u6b77\u6578\u64da\u5eab\u4e2d\u7684Key\uff0c\u4e26\u4e14\u4e0d\u6703\u963b\u585eRedis\u670d\u52d9\u5668\u3002<\/p>\n<pre><code>127.0.0.1:6379&gt; SCAN 0\n1) \"0\"\n2) 1) \"key1\"\n   2) \"key2\"\n   3) \"key3\"\n<\/code><\/pre>\n<p>\u901a\u904e\u4e0d\u65b7\u8abf\u7528`SCAN`\u547d\u4ee4\uff0c\u53ef\u4ee5\u7372\u53d6\u6240\u6709\u7684Key\uff0c\u4e26\u8a08\u7b97\u5176\u6578\u91cf\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8redis%e7%9a%84%e7%b5%b1%e8%a8%88%e4%bf%a1%e6%81%af-YQOiZwmQcl\">3. \u4f7f\u7528Redis\u7684\u7d71\u8a08\u4fe1\u606f<\/h3>\n<p>Redis\u9084\u63d0\u4f9b\u4e86\u4e00\u4e9b\u7d71\u8a08\u4fe1\u606f\uff0c\u53ef\u4ee5\u901a\u904e`INFO`\u547d\u4ee4\u7372\u53d6\u3002\u9019\u4e9b\u4fe1\u606f\u4e2d\u5305\u542b\u4e86\u6709\u95dcKey\u7684\u6578\u91cf\u548c\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u7684\u8a73\u7d30\u6578\u64da\u3002<\/p>\n<pre><code>127.0.0.1:6379&gt; INFO\n# Keyspace\ndb0:keys=100,expires=0,avg_ttl=0\n<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c`keys=100`\u8868\u793a\u7576\u524d\u6578\u64da\u5eab\u4e2d\u6709100\u500bKey\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-YQOiZwmQcl\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u7d71\u8a08Redis\u4e2d\u7684Key\u6578\u91cf\u6642\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u76e3\u63a7\uff1a<\/strong>\u8a2d\u7f6e\u5b9a\u671f\u4efb\u52d9\u4f86\u76e3\u63a7Key\u7684\u6578\u91cf\uff0c\u53ca\u6642\u767c\u73fe\u7570\u5e38\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684Key\u6578\u91cf\u589e\u9577\u3002<\/li>\n<li><strong>\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\uff1a<\/strong>\u5b9a\u671f\u6e05\u7406\u4e0d\u518d\u4f7f\u7528\u7684Key\uff0c\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-YQOiZwmQcl\">\u7e3d\u7d50<\/h2>\n<p>\u7d71\u8a08Redis\u4e2dKey\u7684\u6578\u91cf\u662f\u4e00\u9805\u91cd\u8981\u7684\u7ba1\u7406\u4efb\u52d9\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u548c\u904b\u7dad\u4eba\u54e1\u66f4\u597d\u5730\u7406\u89e3\u548c\u512a\u5316\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u901a\u904e\u4f7f\u7528`DBSIZE`\u3001`SCAN`\u548c`INFO`\u7b49\u547d\u4ee4\uff0c\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6Key\u7684\u6578\u91cf\u548c\u76f8\u95dc\u4fe1\u606f\u3002\u5b9a\u671f\u76e3\u63a7\u548c\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u5c07\u6709\u52a9\u65bc\u4fdd\u6301Redis\u7684\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u7d22Redis\u4e2dkey\u7684\u6578\u91cf\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7d71\u8a08\u548c\u7ba1\u7406Redis\u6578\u64da\uff0c\u63d0\u5347\u6027\u80fd\u8207\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-189374","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189374","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=189374"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189374\/revisions"}],"predecessor-version":[{"id":189375,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189374\/revisions\/189375"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=189374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=189374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=189374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}