{"id":167107,"date":"2024-11-05T22:25:19","date_gmt":"2024-11-05T14:25:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167107\/"},"modified":"2024-11-05T22:25:19","modified_gmt":"2024-11-05T14:25:19","slug":"%e5%88%a9%e7%94%a8redis%e6%9f%a5%e7%9c%8b%e9%8d%b5%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%ef%bc%88redis%e6%9f%a5%e7%9c%8b%e9%8d%b5%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167107\/","title":{"rendered":"\u5229\u7528Redis\u67e5\u770b\u9375\u7684\u904e\u671f\u6642\u9593\uff08redis\u67e5\u770b\u9375\u904e\u671f\u6642\u9593\uff09"},"content":{"rendered":"

\u5229\u7528Redis\u67e5\u770b\u9375\u7684\u904e\u671f\u6642\u9593<\/h1>\n

Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u5176\u652f\u6301\u7684\u9375\u904e\u671f\u529f\u80fd\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u66f4\u9748\u6d3b\u5730\u7ba1\u7406\u6578\u64da\u7684\u751f\u547d\u9031\u671f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728Redis\u4e2d\u67e5\u770b\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u5229\u7528\u9019\u4e00\u529f\u80fd\u3002<\/p>\n

Redis\u9375\u7684\u904e\u671f\u6a5f\u5236<\/h2>\n

\u5728Redis\u4e2d\uff0c\u6bcf\u500b\u9375\u90fd\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u7576\u9019\u500b\u6642\u9593\u5230\u9054\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u4e00\u7279\u6027\u5c0d\u65bc\u9700\u8981\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da\u7684\u61c9\u7528\u5834\u666f\u5c24\u70ba\u91cd\u8981\u3002\u904e\u671f\u6642\u9593\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u8a2d\u7f6e\uff0c\u5305\u62ec\u4f7f\u7528 EXPIRE<\/code> \u547d\u4ee4\u6216\u5728\u8a2d\u7f6e\u9375\u6642\u76f4\u63a5\u6307\u5b9a\u904e\u671f\u6642\u9593\u3002<\/p>\n

\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593<\/h3>\n

\u8981\u8a2d\u7f6e\u4e00\u500b\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n

EXPIRE key seconds<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u9375 mykey<\/code> \u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u70ba60\u79d2\uff0c\u53ef\u4ee5\u57f7\u884c\uff1a<\/p>\n
EXPIRE mykey 60<\/code><\/pre>\n
\u67e5\u770b\u9375\u7684\u904e\u671f\u6642\u9593<\/h2>\n
\u5728Redis\u4e2d\uff0c\u67e5\u770b\u9375\u7684\u904e\u671f\u6642\u9593\u53ef\u4ee5\u4f7f\u7528 TTL<\/code> \u547d\u4ee4\u3002\u8a72\u547d\u4ee4\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<\/code>\uff1b\u5982\u679c\u9375\u5b58\u5728\u4f46\u6c92\u6709\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u5247\u8fd4\u56de -1<\/code>\u3002<\/p>\n
\u4f7f\u7528TTL\u547d\u4ee4<\/h3>\n
\u4ee5\u4e0b\u662f\u4f7f\u7528 TTL<\/code> \u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n
TTL mykey<\/code><\/pre>\n
\u5982\u679c mykey<\/code> \u7684\u5269\u9918\u751f\u5b58\u6642\u9593\u70ba30\u79d2\uff0c\u5247\u547d\u4ee4\u5c07\u8fd4\u56de 30<\/code>\u3002\u5982\u679c\u8a72\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de -2<\/code>\uff0c\u800c\u5982\u679c\u8a72\u9375\u5b58\u5728\u4f46\u6c92\u6709\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u5247\u8fd4\u56de -1<\/code>\u3002<\/p>\n
\u4f7f\u7528PTTL\u547d\u4ee4<\/h3>\n
\u9664\u4e86 TTL<\/code> \u547d\u4ee4\uff0cRedis\u9084\u63d0\u4f9b\u4e86 PTTL<\/code> \u547d\u4ee4\uff0c\u8a72\u547d\u4ee4\u4ee5\u6beb\u79d2\u70ba\u55ae\u4f4d\u8fd4\u56de\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\u3002\u9019\u5c0d\u65bc\u9700\u8981\u66f4\u7cbe\u78ba\u63a7\u5236\u7684\u61c9\u7528\u5834\u666f\u975e\u5e38\u6709\u7528\u3002<\/p>\n
PTTL mykey<\/code><\/pre>\n
\u9019\u5c07\u8fd4\u56de 30000<\/code>\uff08\u5982\u679c\u5269\u9918\u6642\u9593\u70ba30\u79d2\uff09\uff0c\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u7372\u5f97\u66f4\u7cbe\u78ba\u7684\u904e\u671f\u6642\u9593\u4fe1\u606f\u3002<\/p>\n
\u904e\u671f\u9375\u7684\u81ea\u52d5\u522a\u9664<\/h2>\n
Redis\u4f7f\u7528\u5169\u7a2e\u7b56\u7565\u4f86\u8655\u7406\u904e\u671f\u9375\uff1a\u5b9a\u671f\u522a\u9664\u548c\u60f0\u6027\u522a\u9664\u3002\u5b9a\u671f\u522a\u9664\u662f\u6307Redis\u6703\u5b9a\u671f\u6aa2\u67e5\u4e26\u522a\u9664\u904e\u671f\u7684\u9375\uff0c\u800c\u60f0\u6027\u522a\u9664\u5247\u662f\u5728\u8a2a\u554f\u9375\u6642\u6aa2\u67e5\u5176\u662f\u5426\u904e\u671f\uff0c\u82e5\u904e\u671f\u5247\u522a\u9664\u3002\u9019\u5169\u7a2e\u7b56\u7565\u7684\u7d50\u5408\u4f7f\u5f97Redis\u80fd\u5920\u9ad8\u6548\u5730\u7ba1\u7406\u904e\u671f\u6578\u64da\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728Redis\u4e2d\uff0c\u67e5\u770b\u9375\u7684\u904e\u671f\u6642\u9593\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u64cd\u4f5c\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u7684\u751f\u547d\u9031\u671f\u3002\u901a\u904e\u4f7f\u7528 TTL<\/code> \u548c PTTL<\/code> \u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff0c\u5f9e\u800c\u505a\u51fa\u76f8\u61c9\u7684\u6578\u64da\u8655\u7406\u6c7a\u7b56\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u61c9\u7528\uff0cRedis\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u5229\u7528Redis\u67e5\u770b\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u6709\u6548\u6027\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\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-167107","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167107","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=167107"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167107\/revisions"}],"predecessor-version":[{"id":167108,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167107\/revisions\/167108"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}