{"id":97254,"date":"2024-10-20T16:17:16","date_gmt":"2024-10-20T08:17:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97254\/"},"modified":"2024-10-20T16:17:17","modified_gmt":"2024-10-20T08:17:17","slug":"redis-ttl%e5%af%a6%e7%8f%be%e8%87%aa%e5%8b%95%e6%95%b8%e6%93%9a%e9%81%8e%e6%9c%9f%ef%bc%88redis%e9%81%8e%e6%9c%9fttl%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97254\/","title":{"rendered":"Redis TTL\u5be6\u73fe\u81ea\u52d5\u6578\u64da\u904e\u671f\uff08redis\u904e\u671fttl\uff09"},"content":{"rendered":"<h1 id=\"redis-ttl%e5%af%a6%e7%8f%be%e8%87%aa%e5%8b%95%e6%95%b8%e6%93%9a%e9%81%8e%e6%9c%9f%ef%bc%88redis%e9%81%8e%e6%9c%9fttl%ef%bc%89-nfjdPBemTc\">Redis TTL\u5be6\u73fe\u81ea\u52d5\u6578\u64da\u904e\u671f\uff08redis\u904e\u671fttl\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u7ba1\u7406\u548c\u5b58\u5132\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u3002\u5176\u4e2d\uff0cTTL\uff08Time To Live\uff09\u529f\u80fd\u5141\u8a31\u7528\u6236\u8a2d\u7f6e\u6578\u64da\u7684\u904e\u671f\u6642\u9593\uff0c\u5f9e\u800c\u5be6\u73fe\u81ea\u52d5\u6578\u64da\u904e\u671f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684TTL\u529f\u80fd\u53ca\u5176\u5be6\u73fe\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afttl%ef%bc%9f-nfjdPBemTc\">\u4ec0\u9ebc\u662fTTL\uff1f<\/h2>\n<p>TTL\u662f\u201cTime To Live\u201d\u7684\u7e2e\u5beb\uff0c\u6307\u7684\u662f\u6578\u64da\u5728Redis\u4e2d\u5b58\u6d3b\u7684\u6642\u9593\u3002\u7576\u8a2d\u7f6e\u4e86TTL\u7684\u9375\u5728\u904e\u671f\u6642\u9593\u5230\u9054\u5f8c\uff0c\u8a72\u9375\u53ca\u5176\u5c0d\u61c9\u7684\u503c\u5c07\u81ea\u52d5\u88ab\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\u7b49\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%aettl-nfjdPBemTc\">\u5982\u4f55\u8a2d\u7f6eTTL<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u8a2d\u7f6eTTL\u975e\u5e38\u7c21\u55ae\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>EXPIRE key seconds<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>key<\/code>\u662f\u8981\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u7684\u9375\uff0c<code>seconds<\/code>\u662f\u904e\u671f\u7684\u79d2\u6578\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u8981\u8a2d\u7f6e\u9375\u201csession1\u201d\u7684\u904e\u671f\u6642\u9593\u70ba300\u79d2\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>EXPIRE session1 300<\/code><\/pre>\n<h2 id=\"%e6%aa%a2%e6%9f%a5ttl-nfjdPBemTc\">\u6aa2\u67e5TTL<\/h2>\n<p>\u8981\u6aa2\u67e5\u67d0\u500b\u9375\u7684TTL\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>TTL key<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u8a72\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\u7f6e\u904e\u671f\u6642\u9593\uff0c\u5247\u8fd4\u56de-1\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-nfjdPBemTc\">\u4f7f\u7528\u5834\u666f<\/h2>\n<p>TTL\u529f\u80fd\u5728\u591a\u7a2e\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4ee5\u4e0b\u662f\u5e7e\u500b\u5e38\u898b\u7684\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u7de9\u5b58\u7ba1\u7406\uff1a<\/strong>\u5728\u7de9\u5b58\u7cfb\u7d71\u4e2d\uff0c\u7d93\u5e38\u9700\u8981\u6e05\u7406\u904e\u671f\u7684\u6578\u64da\u4ee5\u91cb\u653e\u5167\u5b58\u3002\u4f7f\u7528TTL\u53ef\u4ee5\u81ea\u52d5\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u7de9\u5b58\u6578\u64da\u3002<\/li>\n<li><strong>\u6703\u8a71\u7ba1\u7406\uff1a<\/strong>\u5728Web\u61c9\u7528\u4e2d\uff0c\u4f7f\u7528TTL\u53ef\u4ee5\u81ea\u52d5\u6e05\u7406\u904e\u671f\u7684\u7528\u6236\u6703\u8a71\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002<\/li>\n<li><strong>\u9650\u6d41\u63a7\u5236\uff1a<\/strong>\u5728API\u9650\u6d41\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528TTL\u4f86\u9650\u5236\u7528\u6236\u7684\u8acb\u6c42\u983b\u7387\uff0c\u9632\u6b62\u6feb\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-nfjdPBemTc\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528TTL\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>TTL\u662f\u4ee5\u79d2\u70ba\u55ae\u4f4d\u7684\uff0c\u8a2d\u7f6e\u7684\u6642\u9593\u5fc5\u9808\u662f\u6b63\u6574\u6578\u3002<\/li>\n<li>\u5982\u679c\u5c0d\u4e00\u500b\u5df2\u7d93\u8a2d\u7f6e\u4e86TTL\u7684\u9375\u518d\u6b21\u8a2d\u7f6eTTL\uff0c\u5247\u65b0\u7684TTL\u5c07\u6703\u8986\u84cb\u820a\u7684TTL\u3002<\/li>\n<li>Redis\u7684\u904e\u671f\u9375\u662f\u7570\u6b65\u522a\u9664\u7684\uff0c\u9019\u610f\u5473\u8457\u904e\u671f\u7684\u9375\u4e0d\u6703\u7acb\u5373\u88ab\u522a\u9664\uff0c\u800c\u662f\u5728\u4e0b\u4e00\u6b21\u8a2a\u554f\u6642\u88ab\u6e05\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-nfjdPBemTc\">\u7d50\u8ad6<\/h2>\n<p>Redis\u7684TTL\u529f\u80fd\u70ba\u6578\u64da\u7ba1\u7406\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\u548c\u4fbf\u5229\u6027\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u81ea\u52d5\u6e05\u7406\u904e\u671f\u6578\u64da\u7684\u5834\u666f\u4e2d\u3002\u901a\u904e\u7c21\u55ae\u7684\u547d\u4ee4\u8a2d\u7f6e\u548c\u6aa2\u67e5TTL\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u7684\u751f\u547d\u5468\u671f\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bcVPS\u3001<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Redis TTL\u5982\u4f55\u5be6\u73fe\u81ea\u52d5\u6578\u64da\u904e\u671f\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u8207\u8cc7\u6e90\u6700\u4f73\u5316\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-97254","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97254","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=97254"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97254\/revisions"}],"predecessor-version":[{"id":97255,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97254\/revisions\/97255"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}