{"id":97326,"date":"2024-10-20T16:54:18","date_gmt":"2024-10-20T08:54:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97326\/"},"modified":"2024-10-20T16:54:18","modified_gmt":"2024-10-20T08:54:18","slug":"redis-%e9%ab%98%e6%95%88%e5%88%aa%e9%99%a4%e6%9f%a5%e8%a9%a2-key-%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88redis%e6%9f%a5%e8%a9%a2key%e5%88%aa%e9%99%a4%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97326\/","title":{"rendered":"Redis \u9ad8\u6548\u522a\u9664\u67e5\u8a62 Key \u7684\u65b9\u6cd5\uff08redis\u67e5\u8a62key\u522a\u9664\uff09"},"content":{"rendered":"<h1 id=\"redis-%e9%ab%98%e6%95%88%e5%88%aa%e9%99%a4%e6%9f%a5%e8%a9%a2-key-%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88redis%e6%9f%a5%e8%a9%a2key%e5%88%aa%e9%99%a4%ef%bc%89-WTulfpLdKV\">Redis \u9ad8\u6548\u522a\u9664\u67e5\u8a62 Key \u7684\u65b9\u6cd5\uff08redis\u67e5\u8a62key\u522a\u9664\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u9ad8\u6548\u5730\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u9375\uff08Key\uff09\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u500b\u91cd\u8981\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u9ad8\u6548\u522a\u9664 Redis \u67e5\u8a62 Key \u7684\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8-del-%e5%91%bd%e4%bb%a4-WTulfpLdKV\">1. \u4f7f\u7528 DEL \u547d\u4ee4<\/h2>\n<p>\u6700\u76f4\u63a5\u7684\u65b9\u5f0f\u662f\u4f7f\u7528 <code>DEL<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u522a\u9664\u4e00\u500b\u6216\u591a\u500b\u9375\uff0c\u4e26\u8fd4\u56de\u88ab\u522a\u9664\u9375\u7684\u6578\u91cf\u3002<\/p>\n<pre><code>DEL key1 key2 key3<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664\u9375 <code>user:1001<\/code> \u548c <code>session:2002<\/code>\uff0c\u53ef\u4ee5\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DEL user:1001 session:2002<\/code><\/pre>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c<code>DEL<\/code> \u547d\u4ee4\u5728\u522a\u9664\u5927\u91cf\u9375\u6642\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u70ba\u5b83\u662f\u540c\u6b65\u64cd\u4f5c\uff0c\u6703\u963b\u585e\u5176\u4ed6\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8-unlink-%e5%91%bd%e4%bb%a4-WTulfpLdKV\">2. \u4f7f\u7528 UNLINK \u547d\u4ee4<\/h2>\n<p>\u70ba\u4e86\u907f\u514d <code>DEL<\/code> \u547d\u4ee4\u7684\u6027\u80fd\u554f\u984c\uff0cRedis \u63d0\u4f9b\u4e86 <code>UNLINK<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u7684\u4f5c\u7528\u8207 <code>DEL<\/code> \u76f8\u4f3c\uff0c\u4f46\u5b83\u662f\u975e\u963b\u585e\u7684\uff0c\u6703\u5c07\u522a\u9664\u64cd\u4f5c\u653e\u5165\u80cc\u666f\u9032\u884c\u8655\u7406\u3002<\/p>\n<pre><code>UNLINK key1 key2 key3<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5728\u522a\u9664\u5927\u91cf\u9375\u6642\uff0c\u6e1b\u5c11\u5c0d\u5176\u4ed6\u64cd\u4f5c\u7684\u5f71\u97ff\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>UNLINK user:1001 session:2002<\/code><\/pre>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8%e6%a8%a1%e5%bc%8f%e5%8c%b9%e9%85%8d%e5%88%aa%e9%99%a4%e9%8d%b5-WTulfpLdKV\">3. \u4f7f\u7528\u6a21\u5f0f\u5339\u914d\u522a\u9664\u9375<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u6839\u64da\u6a21\u5f0f\u522a\u9664\u9375\u3002\u53ef\u4ee5\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u914d\u5408 <code>DEL<\/code> \u6216 <code>UNLINK<\/code> \u4f86\u5be6\u73fe\u3002<\/p>\n<p>\u9996\u5148\uff0c\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u67e5\u627e\u7b26\u5408\u689d\u4ef6\u7684\u9375\uff1a<\/p>\n<pre><code>SCAN 0 MATCH user:* COUNT 100<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u5c07\u8fd4\u56de\u7684\u9375\u50b3\u905e\u7d66 <code>DEL<\/code> \u6216 <code>UNLINK<\/code> \u547d\u4ee4\u9032\u884c\u522a\u9664\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u4f7f\u7528 <code>KEYS<\/code> \u547d\u4ee4\uff0c\u56e0\u70ba <code>KEYS<\/code> \u6703\u963b\u585e Redis\uff0c\u5f71\u97ff\u6027\u80fd\u3002<\/p>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e8%87%aa%e5%8b%95%e5%88%aa%e9%99%a4-WTulfpLdKV\">4. \u4f7f\u7528\u904e\u671f\u6642\u9593\u81ea\u52d5\u522a\u9664<\/h2>\n<p>\u5982\u679c\u67d0\u4e9b\u9375\u5728\u7279\u5b9a\u6642\u9593\u5f8c\u4e0d\u518d\u9700\u8981\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u53ef\u4ee5\u70ba\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u7576\u6642\u9593\u5230\u9054\u6642\uff0c\u9375\u6703\u81ea\u52d5\u88ab\u522a\u9664\u3002<\/p>\n<pre><code>EXPIRE key 60<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u9375 <code>key<\/code> \u5c07\u5728 60 \u79d2\u5f8c\u81ea\u52d5\u522a\u9664\uff0c\u7121\u9700\u624b\u52d5\u5e72\u9810\u3002<\/p>\n<h2 id=\"5-%e4%bd%bf%e7%94%a8-lua-%e8%85%b3%e6%9c%ac%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4-WTulfpLdKV\">5. \u4f7f\u7528 Lua \u8173\u672c\u6279\u91cf\u522a\u9664<\/h2>\n<p>\u5c0d\u65bc\u9700\u8981\u9032\u884c\u8907\u96dc\u908f\u8f2f\u7684\u522a\u9664\u64cd\u4f5c\uff0c\u53ef\u4ee5\u4f7f\u7528 Lua \u8173\u672c\u3002\u9019\u6a23\u53ef\u4ee5\u5728 Redis \u670d\u52d9\u5668\u7aef\u57f7\u884c\u591a\u500b\u547d\u4ee4\uff0c\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u3002<\/p>\n<pre><code>\nEVAL \"for i, k in ipairs(KEYS) do redis.call('DEL', k) end\" 0 key1 key2 key3\n<\/code><\/pre>\n<p>\u9019\u6bb5\u8173\u672c\u5c07\u522a\u9664\u50b3\u5165\u7684\u6240\u6709\u9375\uff0c\u4e26\u4e14\u5728\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\u4e2d\u5b8c\u6210\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WTulfpLdKV\">\u7e3d\u7d50<\/h2>\n<p>\u5728 Redis \u4e2d\u9ad8\u6548\u522a\u9664\u67e5\u8a62 Key \u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u5305\u62ec\u4f7f\u7528 <code>DEL<\/code> \u548c <code>UNLINK<\/code> \u547d\u4ee4\u3001\u6a21\u5f0f\u5339\u914d\u3001\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u4ee5\u53ca\u4f7f\u7528 Lua \u8173\u672c\u7b49\u3002\u6839\u64da\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\uff0c\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\uff0c\u6e1b\u5c11\u8cc7\u6e90\u6d6a\u8cbb\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u9700\u8981\u9ad8\u6027\u80fd\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a> \u9084\u662f\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u4e2d\u9ad8\u6548\u522a\u9664\u67e5\u8a62Key\u7684\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u64cd\u4f5c\u6d41\u7a0b\uff0c\u512a\u5316\u6027\u80fd\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-97326","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97326","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=97326"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97326\/revisions"}],"predecessor-version":[{"id":97327,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97326\/revisions\/97327"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97326"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}