{"id":102148,"date":"2024-10-22T13:54:23","date_gmt":"2024-10-22T05:54:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/102148\/"},"modified":"2024-10-22T13:54:24","modified_gmt":"2024-10-22T05:54:24","slug":"redis-%e9%81%8e%e6%9c%9f-key-%e8%ae%93%e6%88%91%e5%80%91%e7%ae%a1%e7%90%86%e8%a1%8c%e7%82%ba%e6%9c%89%e5%ba%8f%e9%80%b2%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/102148\/","title":{"rendered":"Redis \u904e\u671f key \u8b93\u6211\u5011\u7ba1\u7406\u884c\u70ba\u6709\u5e8f\u9032\u884c"},"content":{"rendered":"<h1 id=\"redis-%e9%81%8e%e6%9c%9f-key-%e8%ae%93%e6%88%91%e5%80%91%e7%ae%a1%e7%90%86%e8%a1%8c%e7%82%ba%e6%9c%89%e5%ba%8f%e9%80%b2%e8%a1%8c-qEbLRvHibw\">Redis \u904e\u671f Key \u8b93\u6211\u5011\u7ba1\u7406\u884c\u70ba\u6709\u5e8f\u9032\u884c<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u5b58\u5132\u6578\u64da\u6210\u70ba\u4e86\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u5e6b\u52a9\u958b\u767c\u8005\u7ba1\u7406\u6578\u64da\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f\u904e\u671f\u9375\uff08Expired Keys\uff09\u7684\u7ba1\u7406\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684\u904e\u671f\u9375\u529f\u80fd\uff0c\u4e26\u5206\u6790\u5176\u5728\u884c\u70ba\u7ba1\u7406\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%81%8e%e6%9c%9f%e9%8d%b5%ef%bc%9f-qEbLRvHibw\">\u4ec0\u9ebc\u662f\u904e\u671f\u9375\uff1f<\/h2>\n<p>\u904e\u671f\u9375\u662f\u6307\u5728 Redis \u4e2d\u8a2d\u7f6e\u4e86\u4e00\u500b\u6709\u6548\u671f\u9650\u7684\u9375\u3002\u7576\u9019\u500b\u9375\u7684\u6709\u6548\u671f\u9650\u5230\u9054\u6642\uff0cRedis \u6703\u81ea\u52d5\u5c07\u5176\u522a\u9664\u3002\u9019\u4e00\u529f\u80fd\u5c0d\u65bc\u9700\u8981\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da\u7684\u61c9\u7528\u5834\u666f\u5c24\u70ba\u91cd\u8981\uff0c\u4f8b\u5982\u7de9\u5b58\u3001\u6703\u8a71\u7ba1\u7406\u548c\u9650\u6642\u512a\u60e0\u7b49\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e9%8d%b5-qEbLRvHibw\">\u5982\u4f55\u8a2d\u7f6e\u904e\u671f\u9375<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u8a2d\u7f6e\u904e\u671f\u9375\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>EXPIRE key seconds<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u9375 <code>session:12345<\/code> \u8a2d\u7f6e\u70ba 60 \u79d2\u5f8c\u904e\u671f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>EXPIRE session:12345 60<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528 <code>SETEX<\/code> \u547d\u4ee4\u4f86\u540c\u6642\u8a2d\u7f6e\u9375\u7684\u503c\u548c\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>SETEX key seconds value<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>SETEX session:12345 60 \"user_data\"<\/code><\/pre>\n<h2 id=\"%e9%81%8e%e6%9c%9f%e9%8d%b5%e7%9a%84%e8%87%aa%e5%8b%95%e5%88%aa%e9%99%a4%e6%a9%9f%e5%88%b6-qEbLRvHibw\">\u904e\u671f\u9375\u7684\u81ea\u52d5\u522a\u9664\u6a5f\u5236<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u5169\u7a2e\u6a5f\u5236\u4f86\u8655\u7406\u904e\u671f\u9375\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u522a\u9664\uff1a<\/strong>Redis \u6bcf 100 \u6beb\u79d2\u6703\u96a8\u6a5f\u6aa2\u67e5\u4e00\u90e8\u5206\u9375\uff0c\u522a\u9664\u904e\u671f\u7684\u9375\u3002<\/li>\n<li><strong>\u60f0\u6027\u522a\u9664\uff1a<\/strong>\u7576\u5ba2\u6236\u7aef\u8a2a\u554f\u4e00\u500b\u9375\u6642\uff0cRedis \u6703\u6aa2\u67e5\u8a72\u9375\u662f\u5426\u904e\u671f\uff0c\u82e5\u904e\u671f\u5247\u522a\u9664\u3002<\/li>\n<\/ul>\n<p>\u9019\u5169\u7a2e\u6a5f\u5236\u7684\u7d50\u5408\u4f7f\u5f97 Redis \u80fd\u5920\u9ad8\u6548\u5730\u7ba1\u7406\u904e\u671f\u9375\uff0c\u4e26\u4fdd\u6301\u7cfb\u7d71\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e9%81%8e%e6%9c%9f%e9%8d%b5%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-qEbLRvHibw\">\u904e\u671f\u9375\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u904e\u671f\u9375\u5728\u591a\u7a2e\u61c9\u7528\u5834\u666f\u4e2d\u90fd\u80fd\u767c\u63ee\u91cd\u8981\u4f5c\u7528\uff1a<\/p>\n<ul>\n<li><strong>\u7de9\u5b58\u7ba1\u7406\uff1a<\/strong>\u5728\u7de9\u5b58\u7cfb\u7d71\u4e2d\uff0c\u904e\u671f\u9375\u53ef\u4ee5\u81ea\u52d5\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u5f9e\u800c\u91cb\u653e\u5167\u5b58\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u6703\u8a71\u7ba1\u7406\uff1a<\/strong>\u5728 Web \u61c9\u7528\u4e2d\uff0c\u4f7f\u7528\u904e\u671f\u9375\u4f86\u7ba1\u7406\u7528\u6236\u6703\u8a71\uff0c\u78ba\u4fdd\u6703\u8a71\u5728\u4e00\u5b9a\u6642\u9593\u5167\u81ea\u52d5\u5931\u6548\u3002<\/li>\n<li><strong>\u9650\u6642\u512a\u60e0\uff1a<\/strong>\u5728\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4e2d\uff0c\u904e\u671f\u9375\u53ef\u4ee5\u7528\u4f86\u7ba1\u7406\u9650\u6642\u512a\u60e0\uff0c\u78ba\u4fdd\u512a\u60e0\u5728\u6307\u5b9a\u6642\u9593\u5f8c\u81ea\u52d5\u5931\u6548\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-qEbLRvHibw\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u96d6\u7136\u904e\u671f\u9375\u529f\u80fd\u975e\u5e38\u5f37\u5927\uff0c\u4f46\u5728\u4f7f\u7528\u6642\u4ecd\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u904e\u671f\u6642\u9593\u7684\u8a2d\u7f6e\u61c9\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u8abf\u6574\uff0c\u907f\u514d\u904e\u671f\u6642\u9593\u904e\u77ed\u6216\u904e\u9577\u3002<\/li>\n<li>\u5728\u9ad8\u4e26\u767c\u5834\u666f\u4e0b\uff0c\u904e\u671f\u9375\u7684\u522a\u9664\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u9700\u8981\u9032\u884c\u5408\u7406\u7684\u6027\u80fd\u6e2c\u8a66\u3002<\/li>\n<li>\u4f7f\u7528\u904e\u671f\u9375\u6642\uff0c\u61c9\u8003\u616e\u6578\u64da\u4e00\u81f4\u6027\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-qEbLRvHibw\">\u7e3d\u7d50<\/h2>\n<p>Redis \u7684\u904e\u671f\u9375\u529f\u80fd\u70ba\u6578\u64da\u7ba1\u7406\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\u548c\u9ad8\u6548\u6027\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5728\u591a\u7a2e\u5834\u666f\u4e2d\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u548c\u5229\u7528 Redis \u7684\u81ea\u52d5\u522a\u9664\u6a5f\u5236\uff0c\u4f01\u696d\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u6709\u5e8f\u7ba1\u7406\uff0c\u5f9e\u800c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u5be6\u73fe\u9019\u4e9b\u529f\u80fd\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u52a9\u60a8\u5728\u6578\u64da\u7ba1\u7406\u4e0a\u66f4\u4e0a\u4e00\u5c64\u6a13\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u904e\u671f key \u529f\u80fd\u5e6b\u52a9\u6211\u5011\u6709\u6548\u7ba1\u7406\u6578\u64da\uff0c\u78ba\u4fdd\u884c\u70ba\u6709\u5e8f\u9032\u884c\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u8cc7\u6e90\u5229\u7528\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-102148","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/102148","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=102148"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/102148\/revisions"}],"predecessor-version":[{"id":102149,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/102148\/revisions\/102149"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=102148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=102148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=102148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}