{"id":119649,"date":"2024-10-24T23:42:11","date_gmt":"2024-10-24T15:42:11","guid":{"rendered":"https:\/\/server.hk\/cnblog\/119649\/"},"modified":"2024-10-24T23:42:12","modified_gmt":"2024-10-24T15:42:12","slug":"redis-%e5%bf%ab%e5%8f%96%e5%ae%8c%e7%be%8e%e6%b8%85%e7%90%86%e5%bf%ab%e5%8f%96%e7%94%9f%e6%b4%bb","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/119649\/","title":{"rendered":"Redis \u5feb\u53d6\u5b8c\u7f8e\u6e05\u7406\u5feb\u53d6\u751f\u6d3b"},"content":{"rendered":"<h1 id=\"redis-%e5%bf%ab%e5%8f%96%e5%ae%8c%e7%be%8e%e6%b8%85%e7%90%86%e5%bf%ab%e5%8f%96%e7%94%9f%e6%b4%bb-ymvTitEuQn\">Redis \u5feb\u53d6\u5b8c\u7f8e\u6e05\u7406\u5feb\u53d6\u751f\u6d3b<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u8def\u74b0\u5883\u4e2d\uff0c\u5feb\u53d6\u6280\u8853\u5df2\u6210\u70ba\u63d0\u5347\u61c9\u7528\u7a0b\u5f0f\u6027\u80fd\u7684\u91cd\u8981\u5de5\u5177\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\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u5feb\u53d6\u4e2d\u7684\u6578\u64da\u53ef\u80fd\u6703\u8b8a\u5f97\u904e\u6642\u6216\u4e0d\u518d\u9700\u8981\uff0c\u56e0\u6b64\u5b9a\u671f\u6e05\u7406\u5feb\u53d6\u662f\u7dad\u6301\u7cfb\u7d71\u6027\u80fd\u7684\u95dc\u9375\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u5feb\u53d6\u7684\u6e05\u7406\u7b56\u7565\u53ca\u5176\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis%ef%bc%9f-ymvTitEuQn\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u901a\u5e38\u7528\u4f5c\u6578\u64da\u5eab\u3001\u5feb\u53d6\u548c\u6d88\u606f\u4ee3\u7406\u3002\u5b83\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u4e26\u63d0\u4f9b\u6301\u4e45\u5316\u529f\u80fd\uff0c\u80fd\u5920\u5728\u91cd\u555f\u5f8c\u6062\u5fa9\u6578\u64da\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis \u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u7684\u9996\u9078\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%b8%85%e7%90%86%e5%bf%ab%e5%8f%96%ef%bc%9f-ymvTitEuQn\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7406\u5feb\u53d6\uff1f<\/h2>\n<p>\u5feb\u53d6\u7684\u4e3b\u8981\u76ee\u7684\u662f\u63d0\u9ad8\u6578\u64da\u5b58\u53d6\u901f\u5ea6\uff0c\u4f46\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u5feb\u53d6\u4e2d\u7684\u6578\u64da\u53ef\u80fd\u6703\u8b8a\u5f97\u904e\u6642\u6216\u4e0d\u518d\u9700\u8981\u3002\u9019\u53ef\u80fd\u5c0e\u81f4\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u5167\u5b58\u6d6a\u8cbb\uff1a<\/strong>\u904e\u591a\u7684\u5feb\u53d6\u6578\u64da\u6703\u4f54\u7528\u5bf6\u8cb4\u7684\u5167\u5b58\u8cc7\u6e90\uff0c\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\u3002<\/li>\n<li><strong>\u6578\u64da\u4e0d\u4e00\u81f4\uff1a<\/strong>\u5982\u679c\u5feb\u53d6\u4e2d\u7684\u6578\u64da\u8207\u539f\u59cb\u6578\u64da\u4e0d\u4e00\u81f4\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5f0f\u51fa\u73fe\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6027\u80fd\u4e0b\u964d\uff1a<\/strong>\u904e\u671f\u6216\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u6703\u589e\u52a0\u67e5\u8a62\u7684\u5ef6\u9072\uff0c\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e5%bf%ab%e5%8f%96%e6%b8%85%e7%90%86%e7%ad%96%e7%95%a5-ymvTitEuQn\">Redis \u5feb\u53d6\u6e05\u7406\u7b56\u7565<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6e05\u7406\u5feb\u53d6\u7684\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%b8%bb%e5%8b%95%e6%b8%85%e7%90%86-ymvTitEuQn\">1. \u4e3b\u52d5\u6e05\u7406<\/h3>\n<p>\u4e3b\u52d5\u6e05\u7406\u662f\u6307\u958b\u767c\u8005\u5728\u61c9\u7528\u7a0b\u5f0f\u4e2d\u660e\u78ba\u5730\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u5feb\u53d6\u6578\u64da\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u5be6\u73fe\uff1a<\/p>\n<pre><code>DEL key<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u67d0\u500b\u7528\u6236\u7684\u8cc7\u6599\u5df2\u7d93\u66f4\u65b0\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528 DEL \u547d\u4ee4\u522a\u9664\u8a72\u7528\u6236\u7684\u5feb\u53d6\u6578\u64da\u3002<\/p>\n<h3 id=\"2-%e8%a2%ab%e5%8b%95%e6%b8%85%e7%90%86-ymvTitEuQn\">2. \u88ab\u52d5\u6e05\u7406<\/h3>\n<p>\u88ab\u52d5\u6e05\u7406\u662f\u6307\u7576\u7528\u6236\u8acb\u6c42\u6578\u64da\u6642\uff0cRedis \u81ea\u52d5\u6aa2\u67e5\u5feb\u53d6\u4e2d\u7684\u6578\u64da\u662f\u5426\u904e\u671f\u3002\u5982\u679c\u904e\u671f\uff0c\u5247\u81ea\u52d5\u522a\u9664\u3002\u9019\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>SET key value EX seconds<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u7576\u8a2d\u7f6e\u7684\u79d2\u6578\u5230\u9054\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002<\/p>\n<h3 id=\"3-lru%ef%bc%88%e6%9c%80%e8%bf%91%e6%9c%80%e5%b0%91%e4%bd%bf%e7%94%a8%ef%bc%89%e7%ad%96%e7%95%a5-ymvTitEuQn\">3. LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7b56\u7565<\/h3>\n<p>Redis \u9084\u652f\u6301 LRU \u7b56\u7565\uff0c\u7576\u5167\u5b58\u4f7f\u7528\u9054\u5230\u4e0a\u9650\u6642\uff0c\u6703\u81ea\u52d5\u522a\u9664\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u6578\u64da\u3002\u9019\u53ef\u4ee5\u901a\u904e\u914d\u7f6e Redis \u7684 maxmemory \u548c maxmemory-policy \u53c3\u6578\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>maxmemory 100mb\nmaxmemory-policy allkeys-lru<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-ymvTitEuQn\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u9032\u884c\u5feb\u53d6\u6642\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a<\/strong>\u6839\u64da\u6578\u64da\u7684\u7279\u6027\u8a2d\u7f6e\u5408\u9069\u7684\u904e\u671f\u6642\u9593\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5167\u5b58\u6d6a\u8cbb\u3002<\/li>\n<li><strong>\u5b9a\u671f\u76e3\u63a7\u5feb\u53d6\u72c0\u614b\uff1a<\/strong>\u4f7f\u7528 Redis \u63d0\u4f9b\u7684\u76e3\u63a7\u5de5\u5177\uff0c\u5b9a\u671f\u6aa2\u67e5\u5feb\u53d6\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ca\u6642\u8abf\u6574\u7b56\u7565\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff0c\u4ee5\u63d0\u9ad8\u5b58\u53d6\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ymvTitEuQn\">\u7e3d\u7d50<\/h2>\n<p>Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u986f\u8457\u63d0\u5347\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\u3002\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u5feb\u53d6\u4e2d\u7684\u6578\u64da\u9700\u8981\u5b9a\u671f\u6e05\u7406\uff0c\u4ee5\u907f\u514d\u5167\u5b58\u6d6a\u8cbb\u548c\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002\u901a\u904e\u4e3b\u52d5\u6e05\u7406\u3001\u88ab\u52d5\u6e05\u7406\u548c LRU \u7b56\u7565\u7b49\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u5feb\u53d6\u6578\u64da\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u5feb\u53d6\u5b8c\u7f8e\u6e05\u7406\u5feb\u53d6\u751f\u6d3b\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u8b93\u6578\u64da\u7ba1\u7406\u66f4\u8f15\u9b06\uff0c\u5be6\u73fe\u5feb\u901f\u97ff\u61c9\u8207\u512a\u5316\u8cc7\u6e90\u4f7f\u7528\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-119649","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/119649","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=119649"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/119649\/revisions"}],"predecessor-version":[{"id":119650,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/119649\/revisions\/119650"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=119649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=119649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=119649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}