{"id":164413,"date":"2024-11-05T07:41:25","date_gmt":"2024-11-04T23:41:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/164413\/"},"modified":"2024-11-05T07:41:26","modified_gmt":"2024-11-04T23:41:26","slug":"%e7%b2%be%e9%80%9aredis%ef%bc%8c%e8%bc%95%e9%ac%86%e9%81%8e%e9%97%9c%e9%9d%a2%e8%a9%a6%ef%bc%81%ef%bc%88%e9%9d%a2%e8%a9%a6%e5%ae%98redis%e9%81%8e%e6%9c%9f%e9%8d%b5%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/164413\/","title":{"rendered":"\u7cbe\u901aRedis\uff0c\u8f15\u9b06\u904e\u95dc\u9762\u8a66\uff01\uff08\u9762\u8a66\u5b98redis\u904e\u671f\u9375\uff09"},"content":{"rendered":"<h1 id=\"%e7%b2%be%e9%80%9aredis%ef%bc%8c%e8%bc%95%e9%ac%86%e9%81%8e%e9%97%9c%e9%9d%a2%e8%a9%a6%ef%bc%81%ef%bc%88%e9%9d%a2%e8%a9%a6%e5%ae%98redis%e9%81%8e%e6%9c%9f%e9%8d%b5%ef%bc%89-aCShuQKcdf\">\u7cbe\u901aRedis\uff0c\u8f15\u9b06\u904e\u95dc\u9762\u8a66\uff01\uff08\u9762\u8a66\u5b98redis\u904e\u671f\u9375\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6280\u8853\u9762\u8a66\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u91cd\u8996\u3002\u7279\u5225\u662f\u5728\u9762\u8a66\u4e2d\uff0c\u9762\u8a66\u5b98\u7d93\u5e38\u6703\u8a62\u554f\u6709\u95dcRedis\u7684\u904e\u671f\u9375\uff08Expiration Keys\uff09\u554f\u984c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684\u904e\u671f\u9375\u6a5f\u5236\uff0c\u5e6b\u52a9\u4f60\u5728\u9762\u8a66\u4e2d\u812b\u7a4e\u800c\u51fa\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e9%81%8e%e6%9c%9f%e9%8d%b5%ef%bc%9f-aCShuQKcdf\">\u4ec0\u9ebc\u662fRedis\u904e\u671f\u9375\uff1f<\/h2>\n<p>Redis\u7684\u904e\u671f\u9375\u662f\u6307\u5728\u8a2d\u5b9a\u7684\u6642\u9593\u5167\u81ea\u52d5\u522a\u9664\u7684\u9375\u3002\u9019\u4e00\u7279\u6027\u4f7f\u5f97Redis\u975e\u5e38\u9069\u5408\u7528\u65bc\u7de9\u5b58\u3001\u6703\u8a71\u7ba1\u7406\u7b49\u5834\u666f\u3002\u7576\u4e00\u500b\u9375\u88ab\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u5f8c\uff0cRedis\u6703\u5728\u8a72\u6642\u9593\u5230\u9054\u6642\u81ea\u52d5\u5c07\u5176\u522a\u9664\uff0c\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u91cb\u653e\u5167\u5b58\u8cc7\u6e90\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%ef%bc%9f-aCShuQKcdf\">\u5982\u4f55\u8a2d\u7f6e\u904e\u671f\u9375\uff1f<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u8a2d\u7f6e\u904e\u671f\u9375\uff1a<\/p>\n<pre><code>SET key value\nEXPIRE key seconds\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u9375\u201csession1\u201d\u8a2d\u7f6e\u70ba\u572860\u79d2\u5f8c\u904e\u671f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>SET session1 \"user_data\"\nEXPIRE session1 60\n<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u757660\u79d2\u904e\u53bb\u5f8c\uff0c\u9375\u201csession1\u201d\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002<\/p>\n<h2 id=\"%e9%81%8e%e6%9c%9f%e9%8d%b5%e7%9a%84%e6%9f%a5%e8%a9%a2-aCShuQKcdf\">\u904e\u671f\u9375\u7684\u67e5\u8a62<\/h2>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u8a62\u4e00\u500b\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff1a<\/p>\n<pre><code>TTL key\n<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u8a72\u9375\u7684\u5269\u9918\u6642\u9593\uff08\u4ee5\u79d2\u70ba\u55ae\u4f4d\uff09\u3002\u5982\u679c\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de-2\uff1b\u5982\u679c\u9375\u5b58\u5728\u4f46\u6c92\u6709\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u5247\u8fd4\u56de-1\u3002<\/p>\n<h2 id=\"%e9%81%8e%e6%9c%9f%e9%8d%b5%e7%9a%84%e5%88%aa%e9%99%a4%e6%a9%9f%e5%88%b6-aCShuQKcdf\">\u904e\u671f\u9375\u7684\u522a\u9664\u6a5f\u5236<\/h2>\n<p>Redis\u6709\u5169\u7a2e\u65b9\u5f0f\u4f86\u8655\u7406\u904e\u671f\u9375\u7684\u522a\u9664\uff1a<\/p>\n<ul>\n<li><strong>\u60f0\u6027\u522a\u9664\uff08Lazy Deletion\uff09<\/strong>\uff1a\u7576\u5ba2\u6236\u7aef\u8acb\u6c42\u4e00\u500b\u904e\u671f\u7684\u9375\u6642\uff0cRedis\u6703\u6aa2\u67e5\u8a72\u9375\u662f\u5426\u904e\u671f\u3002\u5982\u679c\u904e\u671f\uff0c\u5247\u522a\u9664\u8a72\u9375\u4e26\u8fd4\u56denil\u3002<\/li>\n<li><strong>\u5b9a\u671f\u522a\u9664\uff08Periodic Deletion\uff09<\/strong>\uff1aRedis\u6703\u5b9a\u671f\u96a8\u6a5f\u6aa2\u67e5\u4e00\u90e8\u5206\u9375\uff0c\u522a\u9664\u904e\u671f\u7684\u9375\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5167\u5b58\u7684\u6d6a\u8cbb\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%9d%a2%e8%a9%a6%e4%b8%ad%e5%8f%af%e8%83%bd%e9%81%87%e5%88%b0%e7%9a%84%e5%95%8f%e9%a1%8c-aCShuQKcdf\">\u9762\u8a66\u4e2d\u53ef\u80fd\u9047\u5230\u7684\u554f\u984c<\/h2>\n<p>\u5728\u9762\u8a66\u4e2d\uff0c\u9762\u8a66\u5b98\u53ef\u80fd\u6703\u554f\u5230\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n<ul>\n<li>\u5982\u4f55\u8a2d\u7f6e\u4e00\u500b\u9375\u7684\u904e\u671f\u6642\u9593\uff1f<\/li>\n<li>\u904e\u671f\u9375\u7684\u522a\u9664\u6a5f\u5236\u662f\u4ec0\u9ebc\uff1f<\/li>\n<li>\u5982\u679c\u4e00\u500b\u9375\u5728\u904e\u671f\u4e4b\u524d\u88ab\u8a2a\u554f\uff0c\u6703\u767c\u751f\u4ec0\u9ebc\u60c5\u6cc1\uff1f<\/li>\n<li>\u5982\u4f55\u67e5\u8a62\u4e00\u500b\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff1f<\/li>\n<\/ul>\n<p>\u6e96\u5099\u9019\u4e9b\u554f\u984c\u7684\u7b54\u6848\uff0c\u4e26\u80fd\u5920\u7528\u5be6\u969b\u7684\u547d\u4ee4\u793a\u7bc4\uff0c\u5c07\u6709\u52a9\u65bc\u4f60\u5728\u9762\u8a66\u4e2d\u8868\u73fe\u51fa\u8272\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-aCShuQKcdf\">\u7e3d\u7d50<\/h2>\n<p>\u638c\u63e1Redis\u7684\u904e\u671f\u9375\u6a5f\u5236\u4e0d\u50c5\u80fd\u5e6b\u52a9\u4f60\u5728\u9762\u8a66\u4e2d\u56de\u7b54\u76f8\u95dc\u554f\u984c\uff0c\u9084\u80fd\u63d0\u5347\u4f60\u5728\u5be6\u969b\u958b\u767c\u4e2d\u7684\u61c9\u7528\u80fd\u529b\u3002\u7121\u8ad6\u662f\u7528\u65bc\u7de9\u5b58\u9084\u662f\u6703\u8a71\u7ba1\u7406\uff0c\u904e\u671f\u9375\u90fd\u662fRedis\u7684\u4e00\u500b\u91cd\u8981\u7279\u6027\u3002\u82e5\u4f60\u5c0d\u65bc\u5982\u4f55\u5728\u9999\u6e2f\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u89e3\u6c7a\u65b9\u6848\u6709\u8208\u8da3\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u52a9\u4f60\u8f15\u9b06\u642d\u5efa\u9ad8\u6548\u7684\u61c9\u7528\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7cbe\u901aRedis\uff0c\u638c\u63e1\u904e\u671f\u9375\u6280\u5de7\uff0c\u52a9\u4f60\u8f15\u9b06\u61c9\u5c0d\u9762\u8a66\u5b98\u63d0\u554f\uff0c\u63d0\u5347\u9762\u8a66\u6210\u529f\u7387\uff0c\u6210\u70baRedis\u5c08\u5bb6\uff01<\/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-164413","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164413","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=164413"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164413\/revisions"}],"predecessor-version":[{"id":164414,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164413\/revisions\/164414"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=164413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=164413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=164413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}