{"id":127927,"date":"2024-10-26T10:21:20","date_gmt":"2024-10-26T02:21:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/127927\/"},"modified":"2024-10-26T10:21:20","modified_gmt":"2024-10-26T02:21:20","slug":"redis-%e5%a6%82%e4%bd%95%e8%aa%bf%e6%95%b4%e5%ad%98%e6%b4%bb%e6%99%82%e9%96%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/127927\/","title":{"rendered":"Redis \u5982\u4f55\u8abf\u6574\u5b58\u6d3b\u6642\u9593"},"content":{"rendered":"<h1 id=\"redis-%e5%a6%82%e4%bd%95%e8%aa%bf%e6%95%b4%e5%ad%98%e6%b4%bb%e6%99%82%e9%96%93-mPqkhbfUpg\">Redis \u5982\u4f55\u8abf\u6574\u5b58\u6d3b\u6642\u9593<\/h1>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002\u5176\u652f\u6301\u7684\u5b58\u6d3b\u6642\u9593\uff08TTL, Time To Live\uff09\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u70ba\u9375\u8a2d\u7f6e\u81ea\u52d5\u904e\u671f\u6642\u9593\uff0c\u9019\u5c0d\u65bc\u7ba1\u7406\u7de9\u5b58\u6578\u64da\u548c\u91cb\u653e\u8cc7\u6e90\u975e\u5e38\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728 Redis \u4e2d\u8abf\u6574\u5b58\u6d3b\u6642\u9593\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e5%ad%98%e6%b4%bb%e6%99%82%e9%96%93%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-mPqkhbfUpg\">\u5b58\u6d3b\u6642\u9593\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u5b58\u6d3b\u6642\u9593\u662f\u6307\u4e00\u500b\u9375\u5728\u88ab\u81ea\u52d5\u522a\u9664\u4e4b\u524d\u7684\u6709\u6548\u6642\u9593\u3002\u7576\u4e00\u500b\u9375\u88ab\u8a2d\u7f6e\u4e86\u5b58\u6d3b\u6642\u9593\u5f8c\uff0cRedis \u6703\u5728\u8a72\u6642\u9593\u5230\u671f\u5f8c\u81ea\u52d5\u5c07\u5176\u522a\u9664\u3002\u9019\u4e00\u7279\u6027\u4f7f\u5f97 Redis \u6210\u70ba\u4e00\u500b\u975e\u5e38\u9748\u6d3b\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da\u7684\u61c9\u7528\u4e2d\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae%e5%ad%98%e6%b4%bb%e6%99%82%e9%96%93-mPqkhbfUpg\">\u5982\u4f55\u8a2d\u7f6e\u5b58\u6d3b\u6642\u9593<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u7684\u5b58\u6d3b\u6642\u9593\uff1a<\/p>\n<pre><code>EXPIRE key seconds<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u5c07\u6307\u5b9a\u7684\u9375\u8a2d\u7f6e\u70ba\u5728\u6307\u5b9a\u7684\u79d2\u6578\u5f8c\u904e\u671f\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u9375 &#8220;session:123&#8221; \u8a2d\u7f6e\u70ba 300 \u79d2\u5f8c\u904e\u671f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>EXPIRE session:123 300<\/code><\/pre>\n<h3 id=\"%e4%bd%bf%e7%94%a8-pexpire-%e5%91%bd%e4%bb%a4-mPqkhbfUpg\">\u4f7f\u7528 PEXPIRE \u547d\u4ee4<\/h3>\n<p>\u9664\u4e86 EXPIRE \u547d\u4ee4\uff0cRedis \u9084\u63d0\u4f9b\u4e86 PEXPIRE \u547d\u4ee4\uff0c\u5141\u8a31\u7528\u6236\u4ee5\u6beb\u79d2\u70ba\u55ae\u4f4d\u8a2d\u7f6e\u5b58\u6d3b\u6642\u9593\uff1a<\/p>\n<pre><code>PEXPIRE key milliseconds<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u9375 &#8220;session:123&#8221; \u8a2d\u7f6e\u70ba 5 \u5206\u9418\uff08300000 \u6beb\u79d2\uff09\u5f8c\u904e\u671f\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>PEXPIRE session:123 300000<\/code><\/pre>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e5%ad%98%e6%b4%bb%e6%99%82%e9%96%93-mPqkhbfUpg\">\u67e5\u8a62\u5b58\u6d3b\u6642\u9593<\/h2>\n<p>\u8981\u67e5\u8a62\u4e00\u500b\u9375\u7684\u5269\u9918\u5b58\u6d3b\u6642\u9593\uff0c\u53ef\u4ee5\u4f7f\u7528 TTL \u547d\u4ee4\uff1a<\/p>\n<pre><code>TTL key<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u8a72\u9375\u7684\u5269\u9918\u5b58\u6d3b\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\u5b58\u6d3b\u6642\u9593\uff0c\u5247\u8fd4\u56de -1\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8-pttl-%e5%91%bd%e4%bb%a4-mPqkhbfUpg\">\u4f7f\u7528 PTTL \u547d\u4ee4<\/h3>\n<p>\u985e\u4f3c\u5730\uff0cPTTL \u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u67e5\u8a62\u9375\u7684\u5269\u9918\u5b58\u6d3b\u6642\u9593\uff08\u4ee5\u6beb\u79d2\u70ba\u55ae\u4f4d\uff09\uff1a<\/p>\n<pre><code>PTTL key<\/code><\/pre>\n<h2 id=\"%e6%9b%b4%e6%96%b0%e5%ad%98%e6%b4%bb%e6%99%82%e9%96%93-mPqkhbfUpg\">\u66f4\u65b0\u5b58\u6d3b\u6642\u9593<\/h2>\n<p>\u5982\u679c\u9700\u8981\u66f4\u65b0\u4e00\u500b\u5df2\u5b58\u5728\u9375\u7684\u5b58\u6d3b\u6642\u9593\uff0c\u53ef\u4ee5\u518d\u6b21\u4f7f\u7528 EXPIRE \u6216 PEXPIRE \u547d\u4ee4\u3002\u9019\u5c07\u6703\u91cd\u7f6e\u8a72\u9375\u7684\u904e\u671f\u8a08\u6642\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>EXPIRE session:123 600<\/code><\/pre>\n<p>\u9019\u5c07\u628a &#8220;session:123&#8221; \u7684\u5b58\u6d3b\u6642\u9593\u66f4\u65b0\u70ba 600 \u79d2\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e5%ad%98%e6%b4%bb%e6%99%82%e9%96%93-mPqkhbfUpg\">\u522a\u9664\u5b58\u6d3b\u6642\u9593<\/h2>\n<p>\u5982\u679c\u5e0c\u671b\u522a\u9664\u4e00\u500b\u9375\u7684\u5b58\u6d3b\u6642\u9593\uff0c\u53ef\u4ee5\u4f7f\u7528 PERSIST \u547d\u4ee4\uff1a<\/p>\n<pre><code>PERSIST key<\/code><\/pre>\n<p>\u9019\u5c07\u4f7f\u8a72\u9375\u4e0d\u518d\u904e\u671f\uff0c\u6210\u70ba\u6c38\u4e45\u9375\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>PERSIST session:123<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-mPqkhbfUpg\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u5b58\u6d3b\u6642\u9593\u529f\u80fd\u70ba\u7528\u6236\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6578\u64da\u7ba1\u7406\u65b9\u5f0f\uff0c\u80fd\u5920\u6709\u6548\u5730\u63a7\u5236\u6578\u64da\u7684\u751f\u547d\u5468\u671f\u3002\u901a\u904e\u4f7f\u7528 EXPIRE\u3001PEXPIRE\u3001TTL\u3001PTTL \u548c PERSIST \u7b49\u547d\u4ee4\uff0c\u7528\u6236\u53ef\u4ee5\u8f15\u9b06\u5730\u8a2d\u7f6e\u3001\u67e5\u8a62\u548c\u7ba1\u7406\u9375\u7684\u5b58\u6d3b\u6642\u9593\u3002\u9019\u4e9b\u529f\u80fd\u5728\u9ad8\u6548\u80fd\u7684\u61c9\u7528\u5834\u666f\u4e2d\u5c24\u70ba\u91cd\u8981\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u8cc7\u6e90\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\">\u4e91\u670d\u52a1\u5668<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 Redis \u4e2d\u8abf\u6574\u9375\u7684\u5b58\u6d3b\u6642\u9593\uff0c\u78ba\u4fdd\u6578\u64da\u7ba1\u7406\u9ad8\u6548\u4e14\u7b26\u5408\u9700\u6c42\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-127927","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/127927","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=127927"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/127927\/revisions"}],"predecessor-version":[{"id":127928,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/127927\/revisions\/127928"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=127927"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=127927"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=127927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}