{"id":187944,"date":"2024-11-11T18:29:16","date_gmt":"2024-11-11T10:29:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187944\/"},"modified":"2024-11-11T18:29:18","modified_gmt":"2024-11-11T10:29:18","slug":"%e6%95%b8%e6%93%9a%e5%88%a9%e7%94%a8redis%e9%9d%88%e6%b4%bb%e6%a7%8b%e5%bb%battl%e9%81%8e%e6%bf%be%e6%95%b8%e6%93%9a%ef%bc%88redis%e6%a0%b9%e6%93%9attl%e9%81%8e%e6%bf%be%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187944\/","title":{"rendered":"\u6578\u64da\u5229\u7528Redis\u9748\u6d3b\u69cb\u5efaTTL\u904e\u6ffe\u6578\u64da\uff08redis\u6839\u64dattl\u904e\u6ffe\uff09"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%88%a9%e7%94%a8redis%e9%9d%88%e6%b4%bb%e6%a7%8b%e5%bb%battl%e9%81%8e%e6%bf%be%e6%95%b8%e6%93%9a%ef%bc%88redis%e6%a0%b9%e6%93%9attl%e9%81%8e%e6%bf%be%ef%bc%89-exIwUKfhaV\">\u6578\u64da\u5229\u7528Redis\u9748\u6d3b\u69cb\u5efaTTL\u904e\u6ffe\u6578\u64da\uff08redis\u6839\u64dattl\u904e\u6ffe\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u904e\u6ffe\u6578\u64da\u6210\u70ba\u4e86\u4f01\u696d\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u5e6b\u52a9\u958b\u767c\u8005\u9748\u6d3b\u5730\u8655\u7406\u6578\u64da\uff0c\u5176\u4e2dTTL\uff08Time To Live\uff09\u529f\u80fd\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u7684TTL\u7279\u6027\u4f86\u904e\u6ffe\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afttl%ef%bc%9f-exIwUKfhaV\">\u4ec0\u9ebc\u662fTTL\uff1f<\/h2>\n<p>TTL\u662f\u6307\u6578\u64da\u5728Redis\u4e2d\u5b58\u6d3b\u7684\u6642\u9593\u3002\u7576\u4e00\u500b\u9375\u88ab\u8a2d\u7f6e\u4e86TTL\u5f8c\uff0c\u8a72\u9375\u5728\u904e\u671f\u6642\u9593\u5230\u9054\u5f8c\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u4e00\u7279\u6027\u4f7f\u5f97Redis\u975e\u5e38\u9069\u5408\u7528\u65bc\u7de9\u5b58\u3001\u6703\u8a71\u7ba1\u7406\u4ee5\u53ca\u9700\u8981\u5b9a\u671f\u6e05\u7406\u7684\u6578\u64da\u5834\u666f\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8ttl%e9%81%8e%e6%bf%be%e6%95%b8%e6%93%9a%ef%bc%9f-exIwUKfhaV\">\u70ba\u4ec0\u9ebc\u4f7f\u7528TTL\u904e\u6ffe\u6578\u64da\uff1f<\/h2>\n<p>\u4f7f\u7528TTL\u904e\u6ffe\u6578\u64da\u7684\u4e3b\u8981\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u81ea\u52d5\u6e05\u7406\uff1a<\/strong>\u4e0d\u518d\u9700\u8981\u624b\u52d5\u522a\u9664\u904e\u671f\u6578\u64da\uff0c\u6e1b\u5c11\u4e86\u7ba1\u7406\u6210\u672c\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u512a\u5316\uff1a<\/strong>\u901a\u904e\u81ea\u52d5\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u91cb\u653e\u5167\u5b58\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u6e1b\u5c11\u67e5\u8a62\u6642\u7684\u6578\u64da\u91cf\uff0c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8redis%e4%b8%ad%e8%a8%ad%e7%bd%aettl-exIwUKfhaV\">\u5982\u4f55\u5728Redis\u4e2d\u8a2d\u7f6eTTL<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u8a2d\u7f6eTTL\uff1a<\/p>\n<pre><code>EXPIRE key seconds<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u6703\u5c07\u6307\u5b9a\u7684\u9375\u8a2d\u7f6e\u70ba\u5728\u6307\u5b9a\u7684\u79d2\u6578\u5f8c\u904e\u671f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>EXPIRE mykey 300<\/code><\/pre>\n<p>\u9019\u8868\u793a\u9375\u201cmykey\u201d\u5c07\u5728300\u79d2\u5f8c\u904e\u671f\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8ttl%e9%81%8e%e6%bf%be%e6%95%b8%e6%93%9a%e7%9a%84%e5%af%a6%e9%9a%9b%e6%a1%88%e4%be%8b-exIwUKfhaV\">\u4f7f\u7528TTL\u904e\u6ffe\u6578\u64da\u7684\u5be6\u969b\u6848\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6b63\u5728\u958b\u767c\u4e00\u500b\u5373\u6642\u6d88\u606f\u61c9\u7528\uff0c\u4e26\u5e0c\u671b\u5728\u7528\u6236\u767b\u9304\u5f8c\u4fdd\u5b58\u5176\u6703\u8a71\u4fe1\u606f\u3002\u9019\u4e9b\u6703\u8a71\u4fe1\u606f\u5728\u7528\u6236\u767b\u51fa\u5f8c\u4e0d\u518d\u9700\u8981\uff0c\u56e0\u6b64\u53ef\u4ee5\u8a2d\u7f6eTTL\u4f86\u81ea\u52d5\u6e05\u7406\u9019\u4e9b\u6578\u64da\u3002<\/p>\n<pre><code>SET session:user123 \"session_data\" \nEXPIRE session:user123 3600  \/\/ \u8a2d\u7f6e\u6703\u8a71\u5728\u4e00\u5c0f\u6642\u5f8c\u904e\u671f\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u7576\u7528\u6236\u201cuser123\u201d\u767b\u9304\u6642\uff0c\u5176\u6703\u8a71\u6578\u64da\u5c07\u88ab\u5b58\u5132\u4e26\u5728\u4e00\u5c0f\u6642\u5f8c\u81ea\u52d5\u522a\u9664\uff0c\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u5167\u5b58\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e9%81%8e%e6%9c%9f%e7%9a%84%e9%8d%b5-exIwUKfhaV\">\u67e5\u8a62\u904e\u671f\u7684\u9375<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u4e00\u500b\u547d\u4ee4\u4f86\u67e5\u8a62\u9375\u7684\u5269\u9918TTL\uff1a<\/p>\n<pre><code>TTL key<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56de\u6307\u5b9a\u9375\u7684\u5269\u9918\u751f\u5b58\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\u7f6eTTL\uff0c\u5247\u8fd4\u56de-1\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-exIwUKfhaV\">\u7d50\u8ad6<\/h2>\n<p>\u5229\u7528Redis\u7684TTL\u529f\u80fd\uff0c\u53ef\u4ee5\u9748\u6d3b\u5730\u69cb\u5efa\u6578\u64da\u904e\u6ffe\u6a5f\u5236\uff0c\u5f9e\u800c\u81ea\u52d5\u7ba1\u7406\u548c\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u6027\u80fd\uff0c\u9084\u6e1b\u5c11\u4e86\u958b\u767c\u8005\u7684\u7ba1\u7406\u8ca0\u64d4\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5408\u7406\u5229\u7528TTL\u5c07\u6210\u70ba\u6578\u64da\u7ba1\u7406\u7684\u91cd\u8981\u7b56\u7565\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684Redis\u670d\u52d9\uff0c\u4eab\u53d7\u66f4\u5feb\u7684\u6578\u64da\u8655\u7406\u901f\u5ea6\u548c\u66f4\u9ad8\u7684\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528Redis\u7684TTL\u529f\u80fd\u9748\u6d3b\u904e\u6ffe\u6578\u64da\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u8207\u5b58\u5132\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u97ff\u61c9\u901f\u5ea6\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-187944","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187944","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=187944"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187944\/revisions"}],"predecessor-version":[{"id":187945,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187944\/revisions\/187945"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187944"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187944"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}