{"id":127150,"date":"2024-10-26T09:10:28","date_gmt":"2024-10-26T01:10:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/127150\/"},"modified":"2024-10-26T09:10:29","modified_gmt":"2024-10-26T01:10:29","slug":"redis-%e8%ae%93%e6%95%b8%e6%93%9a%e8%87%aa%e5%8b%95%e9%81%8e%e6%9c%9f%e9%9b%b6%e9%bb%9e%e6%b8%85%e7%a9%ba%e8%88%8a%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/127150\/","title":{"rendered":"Redis \u8b93\u6578\u64da\u81ea\u52d5\u904e\u671f\u96f6\u9ede\u6e05\u7a7a\u820a\u6578\u64da"},"content":{"rendered":"<h1 id=\"redis-%e8%ae%93%e6%95%b8%e6%93%9a%e8%87%aa%e5%8b%95%e9%81%8e%e6%9c%9f%e9%9b%b6%e9%bb%9e%e6%b8%85%e7%a9%ba%e8%88%8a%e6%95%b8%e6%93%9a-DSBNcCZJwA\">Redis \u8b93\u6578\u64da\u81ea\u52d5\u904e\u671f\u96f6\u9ede\u6e05\u7a7a\u820a\u6578\u64da<\/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\u500b\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\uff0c\u81ea\u52d5\u904e\u671f\u529f\u80fd\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u7279\u6027\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u81ea\u52d5\u6e05\u7406\u904e\u671f\u7684\u6578\u64da\uff0c\u5f9e\u800c\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\u548c\u9ad8\u6548\u904b\u884c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u7684\u81ea\u52d5\u904e\u671f\u529f\u80fd\u4f86\u5be6\u73fe\u96f6\u9ede\u6e05\u7a7a\u820a\u6578\u64da\u7684\u9700\u6c42\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e8%87%aa%e5%8b%95%e9%81%8e%e6%9c%9f%e6%a9%9f%e5%88%b6-DSBNcCZJwA\">Redis \u7684\u81ea\u52d5\u904e\u671f\u6a5f\u5236<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u5169\u7a2e\u4e3b\u8981\u7684\u904e\u671f\u7b56\u7565\uff1a\u57fa\u65bc\u6642\u9593\u7684\u904e\u671f\u548c\u57fa\u65bc LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7b97\u6cd5\u7684\u904e\u671f\u3002\u57fa\u65bc\u6642\u9593\u7684\u904e\u671f\u662f\u6307\u7528\u6236\u53ef\u4ee5\u70ba\u6bcf\u500b\u9375\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u7576\u6642\u9593\u5230\u9054\u6642\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u4e00\u529f\u80fd\u5c0d\u65bc\u9700\u8981\u5b9a\u671f\u6e05\u7406\u7684\u6578\u64da\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u6703\u8a71\u6578\u64da\u3001\u7de9\u5b58\u6578\u64da\u7b49\u3002<\/p>\n<h3 id=\"%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-DSBNcCZJwA\">\u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SET mykey \"Hello\"\nEXPIRE mykey 10<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u9375 <code>mykey<\/code> \u5c07\u5728 10 \u79d2\u5f8c\u81ea\u52d5\u904e\u671f\u4e26\u88ab\u522a\u9664\u3002\u7528\u6236\u4e5f\u53ef\u4ee5\u4f7f\u7528 <code>TTL<\/code> \u547d\u4ee4\u4f86\u67e5\u8a62\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff1a<\/p>\n<pre><code>TTL mykey<\/code><\/pre>\n<h2 id=\"%e5%af%a6%e7%8f%be%e9%9b%b6%e9%bb%9e%e6%b8%85%e7%a9%ba%e8%88%8a%e6%95%b8%e6%93%9a-DSBNcCZJwA\">\u5be6\u73fe\u96f6\u9ede\u6e05\u7a7a\u820a\u6578\u64da<\/h2>\n<p>\u5c0d\u65bc\u67d0\u4e9b\u61c9\u7528\u5834\u666f\uff0c\u958b\u767c\u8005\u53ef\u80fd\u5e0c\u671b\u5728\u6bcf\u5929\u7684\u96f6\u9ede\u81ea\u52d5\u6e05\u7a7a\u820a\u6578\u64da\u3002\u9019\u53ef\u4ee5\u901a\u904e\u7d50\u5408 Redis \u7684\u904e\u671f\u529f\u80fd\u548c\u5b9a\u6642\u4efb\u52d9\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u9019\u4e00\u9700\u6c42\u7684\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"%e6%96%b9%e6%b3%95%e4%b8%80%ef%bc%9a%e4%bd%bf%e7%94%a8%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99-DSBNcCZJwA\">\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528\u5b9a\u6642\u4efb\u52d9<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528\u64cd\u4f5c\u7cfb\u7d71\u7684\u5b9a\u6642\u4efb\u52d9\uff08\u5982 Linux \u7684 cron\uff09\u4f86\u6bcf\u5929\u96f6\u9ede\u57f7\u884c\u4e00\u500b\u6e05\u7406\u8173\u672c\u3002\u9019\u500b\u8173\u672c\u53ef\u4ee5\u4f7f\u7528 Redis \u7684 <code>FLUSHDB<\/code> \u547d\u4ee4\u4f86\u6e05\u7a7a\u6574\u500b\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>FLUSHDB<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u6240\u6709\u7684\u6578\u64da\u5c07\u5728\u6bcf\u5929\u7684\u96f6\u9ede\u88ab\u6e05\u7a7a\u3002<\/p>\n<h3 id=\"%e6%96%b9%e6%b3%95%e4%ba%8c%ef%bc%9a%e4%bd%bf%e7%94%a8-redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e5%8a%9f%e8%83%bd-DSBNcCZJwA\">\u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528 Redis \u7684\u904e\u671f\u529f\u80fd<\/h3>\n<p>\u53e6\u4e00\u7a2e\u65b9\u6cd5\u662f\u70ba\u6bcf\u500b\u9700\u8981\u904e\u671f\u7684\u9375\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u9019\u6a23\u5b83\u5011\u5c07\u5728\u6307\u5b9a\u7684\u6642\u9593\u81ea\u52d5\u522a\u9664\u3002\u9019\u9700\u8981\u5728\u63d2\u5165\u6578\u64da\u6642\u5c31\u8003\u616e\u5230\u904e\u671f\u6642\u9593\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5e0c\u671b\u67d0\u4e9b\u6578\u64da\u5728 24 \u5c0f\u6642\u5f8c\u904e\u671f\uff0c\u53ef\u4ee5\u9019\u6a23\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SET mykey \"data\"\nEXPIRE mykey 86400<\/code><\/pre>\n<p>\u9019\u6a23\uff0c<code>mykey<\/code> \u5c07\u5728 24 \u5c0f\u6642\u5f8c\u81ea\u52d5\u904e\u671f\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-DSBNcCZJwA\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u7684\u81ea\u52d5\u904e\u671f\u529f\u80fd\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u904e\u671f\u7684\u9375\u4e0d\u6703\u7acb\u5373\u88ab\u522a\u9664\uff0c\u800c\u662f\u5728\u4e0b\u4e00\u6b21\u8a2a\u554f\u6642\u6aa2\u67e5\u5176\u662f\u5426\u904e\u671f\u3002<\/li>\n<li>\u5982\u679c\u6578\u64da\u91cf\u975e\u5e38\u5927\uff0c\u4f7f\u7528 <code>FLUSHDB<\/code> \u547d\u4ee4\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u9700\u8981\u8b39\u614e\u4f7f\u7528\u3002<\/li>\n<li>\u78ba\u4fdd\u5b9a\u6642\u4efb\u52d9\u7684\u57f7\u884c\u4e0d\u6703\u8207\u5176\u4ed6\u696d\u52d9\u908f\u8f2f\u885d\u7a81\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DSBNcCZJwA\">\u7e3d\u7d50<\/h2>\n<p>Redis \u7684\u81ea\u52d5\u904e\u671f\u529f\u80fd\u70ba\u6578\u64da\u7ba1\u7406\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\u548c\u4fbf\u5229\u6027\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5b9a\u671f\u6e05\u7406\u820a\u6578\u64da\u7684\u5834\u666f\u4e2d\u3002\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u6216\u4f7f\u7528\u5b9a\u6642\u4efb\u52d9\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u96f6\u9ede\u6e05\u7a7a\u820a\u6578\u64da\u7684\u9700\u6c42\u3002\u9019\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u9084\u80fd\u5920\u78ba\u4fdd\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u53ca\u6642\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 Redis \u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u81ea\u52d5\u904e\u671f\u529f\u80fd\u53ef\u5b9a\u6642\u6e05\u7a7a\u820a\u6578\u64da\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u4fdd\u6301\u9ad8\u6548\u8207\u6574\u6f54\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\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-127150","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/127150","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=127150"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/127150\/revisions"}],"predecessor-version":[{"id":127151,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/127150\/revisions\/127151"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=127150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=127150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=127150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}