{"id":123562,"date":"2024-10-25T13:52:19","date_gmt":"2024-10-25T05:52:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/123562\/"},"modified":"2024-10-25T13:52:20","modified_gmt":"2024-10-25T05:52:20","slug":"redis-%e9%9b%86%e7%be%a4%e5%85%a7-ttl-1-key-%e7%9a%84%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/123562\/","title":{"rendered":"Redis \u96c6\u7fa4\u5167 TTL -1 Key \u7684\u8655\u7406"},"content":{"rendered":"<h1 id=\"redis-%e9%9b%86%e7%be%a4%e5%85%a7-ttl-1-key-%e7%9a%84%e8%99%95%e7%90%86-aAxqXDWMdi\">Redis \u96c6\u7fa4\u5167 TTL -1 Key \u7684\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Redis \u4f5c\u70ba\u8cc7\u6599\u5eab\u6642\uff0cTTL\uff08Time To Live\uff09\u662f\u4e00\u500b\u91cd\u8981\u7684\u6982\u5ff5\u3002TTL \u5141\u8a31\u958b\u767c\u8005\u70ba\u7279\u5b9a\u7684\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9019\u6a23\u53ef\u4ee5\u81ea\u52d5\u6e05\u9664\u4e0d\u518d\u9700\u8981\u7684\u8cc7\u6599\u3002\u7136\u800c\uff0c\u5728 Redis \u96c6\u7fa4\u4e2d\uff0cTTL -1 \u7684\u9375\u8655\u7406\u65b9\u5f0f\u53ef\u80fd\u6703\u5f15\u8d77\u4e00\u4e9b\u6df7\u6dc6\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u96c6\u7fa4\u5167 TTL -1 \u9375\u7684\u8655\u7406\u6a5f\u5236\u53ca\u5176\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-ttl-1%ef%bc%9f-aAxqXDWMdi\">\u4ec0\u9ebc\u662f TTL -1\uff1f<\/h2>\n<p>\u5728 Redis \u4e2d\uff0cTTL \u662f\u7528\u4f86\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u7684\u3002\u7576\u4e00\u500b\u9375\u7684 TTL \u8a2d\u7f6e\u70ba -1 \u6642\uff0c\u9019\u8868\u793a\u8a72\u9375\u4e0d\u6703\u904e\u671f\uff0c\u5c07\u6c38\u4e45\u5b58\u5728\u65bc\u8cc7\u6599\u5eab\u4e2d\u3002\u9019\u5c0d\u65bc\u9700\u8981\u9577\u671f\u4fdd\u5b58\u7684\u8cc7\u6599\u4f86\u8aaa\u662f\u975e\u5e38\u6709\u7528\u7684\u3002<\/p>\n<h2 id=\"redis-%e9%9b%86%e7%be%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-aAxqXDWMdi\">Redis \u96c6\u7fa4\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u96c6\u7fa4\u662f\u4e00\u7a2e\u5206\u6563\u5f0f\u67b6\u69cb\uff0c\u5141\u8a31\u5c07\u8cc7\u6599\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\u3002\u9019\u6a23\u4e0d\u50c5\u63d0\u9ad8\u4e86\u8cc7\u6599\u7684\u53ef\u7528\u6027\uff0c\u9084\u80fd\u5920\u64f4\u5c55\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u6bcf\u500b\u9375\u5728\u96c6\u7fa4\u4e2d\u90fd\u6709\u4e00\u500b\u54c8\u5e0c\u69fd\uff0c\u9019\u4e9b\u54c8\u5e0c\u69fd\u5206\u914d\u7d66\u4e0d\u540c\u7684\u7bc0\u9ede\u3002\u7576\u4e00\u500b\u9375\u7684 TTL \u8a2d\u7f6e\u70ba -1 \u6642\uff0c\u9019\u500b\u9375\u7684\u8655\u7406\u65b9\u5f0f\u6703\u53d7\u5230\u96c6\u7fa4\u67b6\u69cb\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"ttl-1-%e9%8d%b5%e7%9a%84%e8%99%95%e7%90%86-aAxqXDWMdi\">TTL -1 \u9375\u7684\u8655\u7406<\/h2>\n<p>\u5728 Redis \u96c6\u7fa4\u4e2d\uff0cTTL -1 \u9375\u7684\u8655\u7406\u4e3b\u8981\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u6301\u4e45\u6027\uff1a<\/strong>TTL -1 \u7684\u9375\u4e0d\u6703\u88ab\u81ea\u52d5\u522a\u9664\uff0c\u9019\u610f\u5473\u8457\u5b83\u5011\u6703\u4e00\u76f4\u5b58\u5728\u65bc\u8cc7\u6599\u5eab\u4e2d\uff0c\u76f4\u5230\u88ab\u624b\u52d5\u522a\u9664\u3002<\/li>\n<li><strong>\u8cc7\u6599\u5206\u4f48\uff1a<\/strong>\u7576\u4e00\u500b\u9375\u88ab\u8a2d\u7f6e\u70ba TTL -1 \u6642\uff0c\u5b83\u4ecd\u7136\u6703\u6839\u64da\u5176\u54c8\u5e0c\u69fd\u5206\u914d\u5230\u7279\u5b9a\u7684\u7bc0\u9ede\u3002\u9019\u610f\u5473\u8457\u5373\u4f7f\u8a72\u9375\u4e0d\u6703\u904e\u671f\uff0c\u5b83\u4ecd\u7136\u9700\u8981\u5728\u6b63\u78ba\u7684\u7bc0\u9ede\u4e0a\u9032\u884c\u5b58\u53d6\u3002<\/li>\n<li><strong>\u6027\u80fd\u5f71\u97ff\uff1a<\/strong>\u5118\u7ba1 TTL -1 \u9375\u4e0d\u6703\u904e\u671f\uff0c\u4f46\u5728\u96c6\u7fa4\u4e2d\u6301\u6709\u5927\u91cf\u9019\u985e\u9375\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9032\u884c\u5927\u91cf\u67e5\u8a62\u548c\u66f4\u65b0\u64cd\u4f5c\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e7%af%84%e4%be%8b-aAxqXDWMdi\">\u5be6\u969b\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 Redis \u96c6\u7fa4\u4e2d\u8a2d\u7f6e TTL -1 \u9375\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; SET mykey \"Hello, Redis\"\nOK\n127.0.0.1:6379&gt; EXPIRE mykey 0\n(integer) 0\n127.0.0.1:6379&gt; TTL mykey\n(integer) -1\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u8a2d\u7f6e\u4e86\u4e00\u500b\u9375 &#8220;mykey&#8221;\uff0c\u7136\u5f8c\u4f7f\u7528 EXPIRE \u547d\u4ee4\u5c07\u5176 TTL \u8a2d\u7f6e\u70ba 0\uff0c\u9019\u6703\u5c0e\u81f4\u8a72\u9375\u7684 TTL \u8b8a\u70ba -1\uff0c\u8868\u793a\u5b83\u4e0d\u6703\u904e\u671f\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-aAxqXDWMdi\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 TTL -1 \u9375\u6642\uff0c\u958b\u767c\u8005\u61c9\u8a72\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684 TTL -1 \u9375\uff0c\u4ee5\u907f\u514d\u8cc7\u6599\u5eab\u81a8\u8139\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528\u5176\u4ed6\u8cc7\u6599\u7d50\u69cb\uff08\u5982\u5217\u8868\u6216\u96c6\u5408\uff09\u4f86\u7ba1\u7406\u9700\u8981\u9577\u671f\u4fdd\u5b58\u7684\u8cc7\u6599\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li>\u5728\u8a2d\u8a08\u7cfb\u7d71\u6642\uff0c\u61c9\u8a72\u8003\u616e\u5230 TTL -1 \u9375\u5c0d\u7cfb\u7d71\u6027\u80fd\u7684\u6f5b\u5728\u5f71\u97ff\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-aAxqXDWMdi\">\u7e3d\u7d50<\/h2>\n<p>\u5728 Redis \u96c6\u7fa4\u4e2d\uff0cTTL -1 \u9375\u7684\u8655\u7406\u65b9\u5f0f\u662f\u76f8\u5c0d\u76f4\u63a5\u7684\uff0c\u4f46\u4ecd\u9700\u6ce8\u610f\u5176\u5c0d\u7cfb\u7d71\u6027\u80fd\u7684\u5f71\u97ff\u3002\u958b\u767c\u8005\u61c9\u8a72\u6839\u64da\u5be6\u969b\u9700\u6c42\u5408\u7406\u4f7f\u7528 TTL \u8a2d\u7f6e\uff0c\u4ee5\u78ba\u4fdd\u8cc7\u6599\u5eab\u7684\u9ad8\u6548\u904b\u884c\u3002\u82e5\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/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\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 Redis \u96c6\u7fa4\u4e2d TTL -1 \u9375\u7684\u8655\u7406\u65b9\u5f0f\uff0c\u63a2\u8a0e\u5176\u5c0d\u6578\u64da\u6301\u4e45\u6027\u548c\u904e\u671f\u7b56\u7565\u7684\u5f71\u97ff\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-123562","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/123562","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=123562"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/123562\/revisions"}],"predecessor-version":[{"id":123563,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/123562\/revisions\/123563"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=123562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=123562"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=123562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}