{"id":128151,"date":"2024-10-26T12:02:18","date_gmt":"2024-10-26T04:02:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128151\/"},"modified":"2024-10-26T12:02:19","modified_gmt":"2024-10-26T04:02:19","slug":"redis-%e6%b7%b1%e5%85%a5%e6%b7%ba%e5%87%ba%e6%b8%85%e7%90%86%e5%bf%ab%e5%8f%96%e7%9a%84%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128151\/","title":{"rendered":"Redis \u6df1\u5165\u6dfa\u51fa\u6e05\u7406\u5feb\u53d6\u7684\u539f\u7406"},"content":{"rendered":"<h1 id=\"redis-%e6%b7%b1%e5%85%a5%e6%b7%ba%e5%87%ba%e6%b8%85%e7%90%86%e5%bf%ab%e5%8f%96%e7%9a%84%e5%8e%9f%e7%90%86-UPxvHOMiab\">Redis \u6df1\u5165\u6dfa\u51fa\u6e05\u7406\u5feb\u53d6\u7684\u539f\u7406<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u8def\u61c9\u7528\u4e2d\uff0c\u5feb\u53d6\u6280\u8853\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684\u5feb\u53d6\u6e05\u7406\u539f\u7406\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u904b\u4f5c\u6a5f\u5236\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis%ef%bc%9f-UPxvHOMiab\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u5feb\u901f\u7684\u8b80\u5beb\u901f\u5ea6\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis \u88ab\u5ee3\u6cdb\u7528\u65bc\u5feb\u53d6\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e5%bf%ab%e5%8f%96%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-UPxvHOMiab\">\u5feb\u53d6\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728\u9ad8\u6d41\u91cf\u7684\u61c9\u7528\u4e2d\uff0c\u76f4\u63a5\u5f9e\u6578\u64da\u5eab\u8b80\u53d6\u6578\u64da\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002\u5feb\u53d6\u6280\u8853\u53ef\u4ee5\u5c07\u983b\u7e41\u8a2a\u554f\u7684\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u5f9e\u800c\u52a0\u5feb\u6578\u64da\u7684\u8b80\u53d6\u901f\u5ea6\uff0c\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8acb\u6c42\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\uff0c\u9084\u6e1b\u5c11\u4e86\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%bf%ab%e5%8f%96%e6%b8%85%e7%90%86%e7%ad%96%e7%95%a5-UPxvHOMiab\">Redis \u7684\u5feb\u53d6\u6e05\u7406\u7b56\u7565<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u5feb\u53d6\u6e05\u7406\u7b56\u7565\uff0c\u4ee5\u78ba\u4fdd\u5167\u5b58\u7684\u6709\u6548\u5229\u7528\u3002\u9019\u4e9b\u7b56\u7565\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong id=\"%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%ef%bc%88ttl%ef%bc%89-UPxvHOMiab\">\u904e\u671f\u6642\u9593\uff08TTL\uff09<\/strong>\uff1a\u6bcf\u500b\u9375\u90fd\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u7576\u6642\u9593\u5230\u9054\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002<\/li>\n<li><strong>\u4e3b\u52d5\u6e05\u7406<\/strong>\uff1aRedis \u6703\u5b9a\u671f\u6aa2\u67e5\u904e\u671f\u7684\u9375\uff0c\u4e26\u5c07\u5176\u522a\u9664\u3002<\/li>\n<li><strong>\u88ab\u52d5\u6e05\u7406<\/strong>\uff1a\u7576\u7528\u6236\u8a2a\u554f\u4e00\u500b\u9375\u6642\uff0c\u5982\u679c\u8a72\u9375\u5df2\u7d93\u904e\u671f\uff0cRedis \u6703\u7acb\u5373\u5c07\u5176\u522a\u9664\u3002<\/li>\n<li><strong>\u5167\u5b58\u9650\u5236<\/strong>\uff1a\u7528\u6236\u53ef\u4ee5\u8a2d\u7f6e Redis \u7684\u6700\u5927\u5167\u5b58\u4f7f\u7528\u91cf\uff0c\u7576\u9054\u5230\u9019\u500b\u9650\u5236\u6642\uff0cRedis \u6703\u6839\u64da\u914d\u7f6e\u7684\u9a45\u9010\u7b56\u7565\uff08\u5982 LRU\u3001LFU \u7b49\uff09\u81ea\u52d5\u522a\u9664\u4e00\u4e9b\u9375\u3002<\/li>\n<\/ul>\n<h3 id=\"%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%ef%bc%88ttl%ef%bc%89-UPxvHOMiab\">\u904e\u671f\u6642\u9593\uff08TTL\uff09<\/h3>\n<p>\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u70ba\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>EXPIRE mykey 60<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u6703\u5c07 <code>mykey<\/code> \u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u70ba 60 \u79d2\u3002\u7576\u6642\u9593\u5230\u9054\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002<\/p>\n<h3 id=\"%e4%b8%bb%e5%8b%95%e8%88%87%e8%a2%ab%e5%8b%95%e6%b8%85%e7%90%86-UPxvHOMiab\">\u4e3b\u52d5\u8207\u88ab\u52d5\u6e05\u7406<\/h3>\n<p>Redis \u6703\u5b9a\u671f\u57f7\u884c\u4e3b\u52d5\u6e05\u7406\uff0c\u9019\u662f\u901a\u904e <code>ACTIVE_EXPIRE_CYCLE<\/code> \u53c3\u6578\u4f86\u63a7\u5236\u7684\u3002\u88ab\u52d5\u6e05\u7406\u5247\u662f\u5728\u7528\u6236\u8a2a\u554f\u904e\u671f\u9375\u6642\u9032\u884c\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u5167\u5b58\u4f7f\u7528\u3002<\/p>\n<h3 id=\"%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6%e8%88%87%e9%a9%85%e9%80%90%e7%ad%96%e7%95%a5-UPxvHOMiab\">\u5167\u5b58\u9650\u5236\u8207\u9a45\u9010\u7b56\u7565<\/h3>\n<p>\u7528\u6236\u53ef\u4ee5\u901a\u904e <code>CONFIG SET maxmemory<\/code> \u547d\u4ee4\u8a2d\u7f6e Redis \u7684\u6700\u5927\u5167\u5b58\u4f7f\u7528\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CONFIG SET maxmemory 100mb<\/code><\/pre>\n<p>\u7576\u5167\u5b58\u4f7f\u7528\u91cf\u9054\u5230\u9019\u500b\u9650\u5236\u6642\uff0cRedis \u6703\u6839\u64da\u8a2d\u7f6e\u7684\u9a45\u9010\u7b56\u7565\u81ea\u52d5\u522a\u9664\u4e00\u4e9b\u9375\u3002\u5e38\u898b\u7684\u9a45\u9010\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>LRU\uff08Least Recently Used\uff09<\/strong>\uff1a\u522a\u9664\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002<\/li>\n<li><strong>LFU\uff08Least Frequently Used\uff09<\/strong>\uff1a\u522a\u9664\u4f7f\u7528\u983b\u7387\u6700\u4f4e\u7684\u9375\u3002<\/li>\n<li><strong>Random<\/strong>\uff1a\u96a8\u6a5f\u522a\u9664\u4e00\u4e9b\u9375\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-UPxvHOMiab\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u5feb\u53d6\u6e05\u7406\u539f\u7406\u662f\u5176\u9ad8\u6548\u904b\u4f5c\u7684\u95dc\u9375\u3002\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u4e3b\u52d5\u8207\u88ab\u52d5\u6e05\u7406\u4ee5\u53ca\u5167\u5b58\u9650\u5236\uff0cRedis \u80fd\u5920\u6709\u6548\u7ba1\u7406\u5167\u5b58\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u4e86\u89e3\u9019\u4e9b\u539f\u7406\u5f8c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u5229\u7528 Redis \u4f86\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">VPS<\/a> \u53ca\u5176\u61c9\u7528\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u6dfa\u51fa\u89e3\u6790Redis\u5feb\u53d6\u6e05\u7406\u539f\u7406\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u7406\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406\u5feb\u53d6\u8207\u63d0\u5347\u7cfb\u7d71\u6548\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-128151","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128151","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=128151"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128151\/revisions"}],"predecessor-version":[{"id":128152,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128151\/revisions\/128152"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}