{"id":120932,"date":"2024-10-25T10:39:20","date_gmt":"2024-10-25T02:39:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/120932\/"},"modified":"2024-10-25T10:39:21","modified_gmt":"2024-10-25T02:39:21","slug":"redis-%e5%9b%9e%e6%94%b6%e7%ad%96%e7%95%a5%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/120932\/","title":{"rendered":"Redis \u56de\u6536\u7b56\u7565\u5be6\u73fe\u9ad8\u6548\u5167\u5b58\u7ba1\u7406"},"content":{"rendered":"<h1 id=\"redis-%e5%9b%9e%e6%94%b6%e7%ad%96%e7%95%a5%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86-hxCTMchBgR\">Redis \u56de\u6536\u7b56\u7565\u5be6\u73fe\u9ad8\u6548\u5167\u5b58\u7ba1\u7406<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5167\u5b58\u7ba1\u7406\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u56de\u6536\u7b56\u7565\u4f86\u5e6b\u52a9\u7528\u6236\u6709\u6548\u7ba1\u7406\u5167\u5b58\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684\u56de\u6536\u7b56\u7565\u53ca\u5176\u5728\u5167\u5b58\u7ba1\u7406\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86%e6%a6%82%e8%bf%b0-hxCTMchBgR\">Redis \u7684\u5167\u5b58\u7ba1\u7406\u6982\u8ff0<\/h2>\n<p>Redis \u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\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\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u7ba1\u7406\u5167\u5b58\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%9b%9e%e6%94%b6%e7%ad%96%e7%95%a5-hxCTMchBgR\">Redis \u7684\u56de\u6536\u7b56\u7565<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u5169\u7a2e\u4e3b\u8981\u7684\u5167\u5b58\u56de\u6536\u7b56\u7565\uff1a\u4e3b\u52d5\u56de\u6536\u548c\u88ab\u52d5\u56de\u6536\u3002<\/p>\n<h3 id=\"%e4%b8%bb%e5%8b%95%e5%9b%9e%e6%94%b6-hxCTMchBgR\">\u4e3b\u52d5\u56de\u6536<\/h3>\n<p>\u4e3b\u52d5\u56de\u6536\u662f\u6307 Redis \u5728\u5167\u5b58\u4f7f\u7528\u9054\u5230\u8a2d\u5b9a\u7684\u4e0a\u9650\u6642\uff0c\u81ea\u52d5\u522a\u9664\u4e00\u4e9b\u9375\u503c\u5c0d\u4ee5\u91cb\u653e\u5167\u5b58\u3002\u9019\u7a2e\u7b56\u7565\u901a\u5e38\u4f7f\u7528\u4ee5\u4e0b\u5e7e\u7a2e\u7b97\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>LRU\uff08Least Recently Used\uff09<\/strong>\uff1a\u522a\u9664\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u9375\u503c\u5c0d\u3002<\/li>\n<li><strong>LFU\uff08Least Frequently Used\uff09<\/strong>\uff1a\u522a\u9664\u4f7f\u7528\u983b\u7387\u6700\u4f4e\u7684\u9375\u503c\u5c0d\u3002<\/li>\n<li><strong>TTL\uff08Time To Live\uff09<\/strong>\uff1a\u6839\u64da\u8a2d\u7f6e\u7684\u904e\u671f\u6642\u9593\u81ea\u52d5\u522a\u9664\u904e\u671f\u7684\u9375\u503c\u5c0d\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u7b97\u6cd5\u53ef\u4ee5\u901a\u904e\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 <code>maxmemory-policy<\/code> \u53c3\u6578\u9032\u884c\u8a2d\u7f6e\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u4f7f\u7528 LRU \u7b56\u7565\uff0c\u53ef\u4ee5\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\uff1a<\/p>\n<pre><code>maxmemory-policy allkeys-lru<\/code><\/pre>\n<h3 id=\"%e8%a2%ab%e5%8b%95%e5%9b%9e%e6%94%b6-hxCTMchBgR\">\u88ab\u52d5\u56de\u6536<\/h3>\n<p>\u88ab\u52d5\u56de\u6536\u662f\u6307\u7576\u7528\u6236\u8a2a\u554f\u67d0\u500b\u9375\u503c\u5c0d\u6642\uff0cRedis \u6703\u6aa2\u67e5\u8a72\u9375\u662f\u5426\u904e\u671f\uff0c\u82e5\u904e\u671f\u5247\u81ea\u52d5\u522a\u9664\u3002\u9019\u7a2e\u65b9\u5f0f\u4e0d\u6703\u7acb\u5373\u91cb\u653e\u5167\u5b58\uff0c\u4f46\u53ef\u4ee5\u5728\u7528\u6236\u8a2a\u554f\u6642\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e5%9b%9e%e6%94%b6%e7%ad%96%e7%95%a5-hxCTMchBgR\">\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684\u56de\u6536\u7b56\u7565<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684\u56de\u6536\u7b56\u7565\u53d6\u6c7a\u65bc\u61c9\u7528\u7684\u9700\u6c42\u548c\u6578\u64da\u7684\u7279\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8003\u91cf\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u8a2a\u554f\u6a21\u5f0f<\/strong>\uff1a\u5982\u679c\u67d0\u4e9b\u6578\u64da\u7d93\u5e38\u88ab\u8a2a\u554f\uff0c\u5247\u61c9\u8003\u616e\u4f7f\u7528 LRU \u7b56\u7565\uff1b\u5982\u679c\u6578\u64da\u7684\u4f7f\u7528\u983b\u7387\u5dee\u7570\u8f03\u5927\uff0cLFU \u53ef\u80fd\u66f4\u5408\u9069\u3002<\/li>\n<li><strong>\u6578\u64da\u904e\u671f\u9700\u6c42<\/strong>\uff1a\u5982\u679c\u6578\u64da\u6709\u660e\u78ba\u7684\u904e\u671f\u6642\u9593\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528 TTL \u7b56\u7565\u4f86\u81ea\u52d5\u7ba1\u7406\u904e\u671f\u6578\u64da\u3002<\/li>\n<li><strong>\u5167\u5b58\u9650\u5236<\/strong>\uff1a\u5728\u5167\u5b58\u6709\u9650\u7684\u60c5\u6cc1\u4e0b\uff0c\u4e3b\u52d5\u56de\u6536\u7b56\u7565\u80fd\u5920\u66f4\u6709\u6548\u5730\u91cb\u653e\u5167\u5b58\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%a1%88%e4%be%8b%e5%88%86%e6%9e%90-hxCTMchBgR\">\u5be6\u969b\u6848\u4f8b\u5206\u6790<\/h2>\n<p>\u5047\u8a2d\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u4f7f\u7528 Redis \u4f5c\u70ba\u7de9\u5b58\u7cfb\u7d71\uff0c\u5b58\u5132\u7528\u6236\u7684\u8cfc\u7269\u8eca\u4fe1\u606f\u3002\u7531\u65bc\u7528\u6236\u7684\u8cfc\u7269\u8eca\u4fe1\u606f\u7d93\u5e38\u8b8a\u52d5\uff0c\u4e14\u4e0d\u6703\u9577\u6642\u9593\u4fdd\u7559\uff0c\u9078\u64c7 LRU \u7b56\u7565\u5c07\u662f\u5408\u9069\u7684\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u59cb\u7d42\u4fdd\u7559\u6700\u8fd1\u6d3b\u8e8d\u7684\u8cfc\u7269\u8eca\u6578\u64da\uff0c\u4e26\u81ea\u52d5\u522a\u9664\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-hxCTMchBgR\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u56de\u6536\u7b56\u7565\u70ba\u7528\u6236\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u5167\u5b58\u7ba1\u7406\u9078\u64c7\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e\u4e3b\u52d5\u548c\u88ab\u52d5\u56de\u6536\u7b56\u7565\uff0c\u7528\u6236\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u5167\u5b58\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u3002\u4e86\u89e3\u4e0d\u540c\u7684\u56de\u6536\u7b56\u7565\u53ca\u5176\u9069\u7528\u5834\u666f\uff0c\u5c07\u6709\u52a9\u65bc\u958b\u767c\u8005\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u505a\u51fa\u66f4\u660e\u667a\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f 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>\u63a2\u7d22Redis\u7684\u56de\u6536\u7b56\u7565\uff0c\u5be6\u73fe\u9ad8\u6548\u5167\u5b58\u7ba1\u7406\uff0c\u63d0\u5347\u6027\u80fd\u8207\u8cc7\u6e90\u5229\u7528\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u6301\u4e45\u6027\u8207\u7cfb\u7d71\u7a69\u5b9a\u6027\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-120932","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/120932","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=120932"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/120932\/revisions"}],"predecessor-version":[{"id":120933,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/120932\/revisions\/120933"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=120932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=120932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=120932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}