{"id":98558,"date":"2024-10-21T03:37:17","date_gmt":"2024-10-20T19:37:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98558\/"},"modified":"2024-10-21T03:37:18","modified_gmt":"2024-10-20T19:37:18","slug":"redis-%e7%9a%84-ttl-%e9%bb%98%e8%aa%8d%e7%99%bc%e6%8f%ae%e6%bd%9b%e8%83%bd%e7%9a%84%e6%a5%b5%e9%99%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98558\/","title":{"rendered":"Redis \u7684 TTL \u9ed8\u8a8d\u767c\u63ee\u6f5b\u80fd\u7684\u6975\u9650"},"content":{"rendered":"<h1 id=\"redis-%e7%9a%84-ttl-%e9%bb%98%e8%aa%8d%e7%99%bc%e6%8f%ae%e6%bd%9b%e8%83%bd%e7%9a%84%e6%a5%b5%e9%99%90-JVRiSkesms\">Redis \u7684 TTL \u9ed8\u8a8d\u767c\u63ee\u6f5b\u80fd\u7684\u6975\u9650<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u3002\u5176\u5f37\u5927\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u4f7f\u5176\u6210\u70ba\u958b\u767c\u8005\u7684\u9996\u9078\u3002\u7136\u800c\uff0cRedis \u7684 TTL\uff08Time To Live\uff09\u529f\u80fd\u5e38\u5e38\u88ab\u4f4e\u4f30\uff0c\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684 TTL \u9ed8\u8a8d\u767c\u63ee\u6f5b\u80fd\u7684\u6975\u9650\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-ttl%ef%bc%9f-JVRiSkesms\">\u4ec0\u9ebc\u662f TTL\uff1f<\/h2>\n<p>TTL \u662f\u4e00\u500b\u7528\u65bc\u8a2d\u7f6e\u9375\u503c\u5c0d\u5728 Redis \u4e2d\u7684\u751f\u5b58\u6642\u9593\u7684\u53c3\u6578\u3002\u7576\u4e00\u500b\u9375\u88ab\u8a2d\u7f6e\u4e86 TTL \u6642\uff0c\u8a72\u9375\u6703\u5728\u6307\u5b9a\u7684\u6642\u9593\u5f8c\u81ea\u52d5\u904e\u671f\u4e26\u88ab\u522a\u9664\u3002\u9019\u4e00\u7279\u6027\u5c0d\u65bc\u7ba1\u7406\u7de9\u5b58\u3001\u6703\u8a71\u6578\u64da\u4ee5\u53ca\u81e8\u6642\u6578\u64da\u7b49\u5834\u666f\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h2 id=\"ttl-%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-JVRiSkesms\">TTL \u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u7684 TTL\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SET mykey \"Hello\"\nEXPIRE mykey 10<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u9375 <code>mykey<\/code> \u5c07\u5728 10 \u79d2\u5f8c\u81ea\u52d5\u904e\u671f\u3002\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 <code>TTL<\/code> \u547d\u4ee4\u4f86\u67e5\u8a62\u5269\u9918\u7684\u751f\u5b58\u6642\u9593\uff1a<\/p>\n<pre><code>TTL mykey<\/code><\/pre>\n<h2 id=\"ttl-%e7%9a%84%e9%bb%98%e8%aa%8d%e8%a1%8c%e7%82%ba-JVRiSkesms\">TTL \u7684\u9ed8\u8a8d\u884c\u70ba<\/h2>\n<p>Redis \u7684 TTL \u9ed8\u8a8d\u884c\u70ba\u662f\u7576\u4e00\u500b\u9375\u88ab\u8a2d\u7f6e\u4e86 TTL \u6642\uff0c\u8a72\u9375\u7684\u904e\u671f\u6642\u9593\u662f\u57fa\u65bc\u8a2d\u7f6e\u7684\u6642\u9593\u6233\u4f86\u8a08\u7b97\u7684\u3002\u9019\u610f\u5473\u8457\u4e00\u65e6 TTL \u88ab\u8a2d\u7f6e\uff0cRedis \u5c07\u5728\u5f8c\u53f0\u9032\u884c\u76e3\u63a7\uff0c\u4e26\u5728 TTL \u5230\u671f\u5f8c\u81ea\u52d5\u522a\u9664\u8a72\u9375\u3002<\/p>\n<h2 id=\"ttl-%e7%9a%84%e6%a5%b5%e9%99%90%e8%88%87%e6%8c%91%e6%88%b0-JVRiSkesms\">TTL \u7684\u6975\u9650\u8207\u6311\u6230<\/h2>\n<p>\u5118\u7ba1 TTL \u63d0\u4f9b\u4e86\u4fbf\u5229\uff0c\u4f46\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u4e5f\u5b58\u5728\u4e00\u4e9b\u6311\u6230\u3002\u9996\u5148\uff0cRedis \u7684\u904e\u671f\u9375\u522a\u9664\u662f\u57fa\u65bc\u5169\u7a2e\u7b56\u7565\uff1a\u5b9a\u671f\u522a\u9664\u548c\u60f0\u6027\u522a\u9664\u3002\u5b9a\u671f\u522a\u9664\u662f\u6307 Redis \u6bcf\u9694\u4e00\u6bb5\u6642\u9593\u6703\u96a8\u6a5f\u6aa2\u67e5\u4e00\u90e8\u5206\u9375\uff0c\u4e26\u522a\u9664\u904e\u671f\u7684\u9375\uff1b\u800c\u60f0\u6027\u522a\u9664\u5247\u662f\u5728\u8a2a\u554f\u67d0\u500b\u9375\u6642\u6aa2\u67e5\u5176\u662f\u5426\u904e\u671f\u3002\u9019\u610f\u5473\u8457\u5728\u9ad8\u8ca0\u8f09\u7684\u60c5\u6cc1\u4e0b\uff0c\u904e\u671f\u9375\u7684\u522a\u9664\u53ef\u80fd\u6703\u5ef6\u9072\uff0c\u5f9e\u800c\u5f71\u97ff\u7cfb\u7d71\u7684\u6027\u80fd\u3002<\/p>\n<h3 id=\"%e6%80%a7%e8%83%bd%e5%bd%b1%e9%9f%bf-JVRiSkesms\">\u6027\u80fd\u5f71\u97ff<\/h3>\n<p>\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\uff0cTTL \u7684\u4f7f\u7528\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5927\u91cf\u7684\u9375\u540c\u6642\u904e\u671f\uff0cRedis \u9700\u8981\u5728\u77ed\u6642\u9593\u5167\u8655\u7406\u5927\u91cf\u7684\u522a\u9664\u8acb\u6c42\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u5ef6\u9072\u3002\u56e0\u6b64\uff0c\u958b\u767c\u8005\u5728\u8a2d\u8a08\u7cfb\u7d71\u6642\u9700\u8981\u8003\u616e\u5230\u9019\u4e00\u9ede\uff0c\u5408\u7406\u8a2d\u7f6e TTL \u6642\u9593\uff0c\u907f\u514d\u540c\u6642\u904e\u671f\u7684\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-JVRiSkesms\">\u6700\u4f73\u5be6\u8e10<\/h3>\n<ul>\n<li>\u5408\u7406\u8a2d\u7f6e TTL\uff1a\u6839\u64da\u696d\u52d9\u9700\u6c42\u8a2d\u7f6e\u5408\u9069\u7684\u904e\u671f\u6642\u9593\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6027\u80fd\u640d\u8017\u3002<\/li>\n<li>\u76e3\u63a7\u904e\u671f\u9375\uff1a\u4f7f\u7528 Redis \u7684\u76e3\u63a7\u5de5\u5177\uff0c\u5b9a\u671f\u6aa2\u67e5\u904e\u671f\u9375\u7684\u6578\u91cf\u548c\u6027\u80fd\u5f71\u97ff\u3002<\/li>\n<li>\u5206\u6563\u904e\u671f\u6642\u9593\uff1a\u5982\u679c\u53ef\u80fd\uff0c\u5c07\u9375\u7684\u904e\u671f\u6642\u9593\u5206\u6563\uff0c\u907f\u514d\u540c\u6642\u904e\u671f\u7684\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-JVRiSkesms\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684 TTL \u529f\u80fd\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6578\u64da\u7ba1\u7406\u80fd\u529b\uff0c\u4f46\u5176\u9ed8\u8a8d\u884c\u70ba\u548c\u6f5b\u5728\u7684\u6027\u80fd\u6311\u6230\u4e5f\u9700\u8981\u5f15\u8d77\u91cd\u8996\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u7f6e\u548c\u76e3\u63a7\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5145\u5206\u767c\u63ee TTL \u7684\u6f5b\u80fd\uff0c\u63d0\u5347\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Redis \u7684 TTL \u9ed8\u8a8d\u8a2d\u7f6e\u53ca\u5176\u6f5b\u80fd\u6975\u9650\uff0c\u4e86\u89e3\u5982\u4f55\u512a\u5316\u6578\u64da\u904e\u671f\u7ba1\u7406\u4ee5\u63d0\u5347\u6027\u80fd\u548c\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-98558","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98558","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=98558"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98558\/revisions"}],"predecessor-version":[{"id":98559,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98558\/revisions\/98559"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}