{"id":120017,"date":"2024-10-25T00:09:09","date_gmt":"2024-10-24T16:09:09","guid":{"rendered":"https:\/\/server.hk\/cnblog\/120017\/"},"modified":"2024-10-25T00:09:10","modified_gmt":"2024-10-24T16:09:10","slug":"redis-%e5%bf%ab%e5%8f%96%e4%b8%8b%e7%9a%84%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/120017\/","title":{"rendered":"Redis \u5feb\u53d6\u4e0b\u7684\u904e\u671f\u7b56\u7565"},"content":{"rendered":"<h1 id=\"redis-%e5%bf%ab%e5%8f%96%e4%b8%8b%e7%9a%84%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5-lEtJxbQHkS\">Redis \u5feb\u53d6\u4e0b\u7684\u904e\u671f\u7b56\u7565<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u8def\u61c9\u7528\u4e2d\uff0c\u5feb\u53d6\u6280\u8853\u5df2\u6210\u70ba\u63d0\u5347\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u5834\u666f\u4e2d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684\u904e\u671f\u7b56\u7565\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u5feb\u53d6\u6578\u64da\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e6%a9%9f%e5%88%b6-lEtJxbQHkS\">Redis \u7684\u904e\u671f\u6a5f\u5236<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u5f0f\u4f86\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u9019\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u9748\u6d3b\u5730\u7ba1\u7406\u5feb\u53d6\u6578\u64da\u7684\u751f\u547d\u9031\u671f\u3002\u7576\u4e00\u500b\u9375\u88ab\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u5f8c\uff0cRedis \u6703\u5728\u8a72\u6642\u9593\u5230\u9054\u6642\u81ea\u52d5\u522a\u9664\u8a72\u9375\u3002\u9019\u4e00\u6a5f\u5236\u4e0d\u50c5\u80fd\u5920\u7bc0\u7701\u5167\u5b58\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u6642\u6548\u6027\u3002<\/p>\n<h3 id=\"%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-lEtJxbQHkS\">\u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff1a<\/p>\n<ul>\n<li><code>EXPIRE key seconds<\/code>\uff1a\u8a2d\u7f6e\u9375\u5728\u6307\u5b9a\u7684\u79d2\u6578\u5f8c\u904e\u671f\u3002<\/li>\n<li><code>PEXPIRE key milliseconds<\/code>\uff1a\u8a2d\u7f6e\u9375\u5728\u6307\u5b9a\u7684\u6beb\u79d2\u6578\u5f8c\u904e\u671f\u3002<\/li>\n<li><code>SET key value EX seconds<\/code>\uff1a\u5728\u8a2d\u7f6e\u9375\u503c\u7684\u540c\u6642\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002<\/li>\n<li><code>SET key value PX milliseconds<\/code>\uff1a\u5728\u8a2d\u7f6e\u9375\u503c\u7684\u540c\u6642\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff08\u6beb\u79d2\uff09\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u9375 &#8220;session&#8221; \u8a2d\u7f6e\u70ba 300 \u79d2\u5f8c\u904e\u671f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>EXPIRE session 300<\/code><\/pre>\n<h3 id=\"%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5%e7%9a%84%e9%a1%9e%e5%9e%8b-lEtJxbQHkS\">\u904e\u671f\u7b56\u7565\u7684\u985e\u578b<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86\u5169\u7a2e\u4e3b\u8981\u7684\u904e\u671f\u7b56\u7565\u4f86\u7ba1\u7406\u904e\u671f\u9375\uff1a<\/p>\n<ul>\n<li><strong>\u60f0\u6027\u522a\u9664\uff08Lazy Deletion\uff09<\/strong>\uff1a\u7576\u5ba2\u6236\u7aef\u8acb\u6c42\u4e00\u500b\u9375\u6642\uff0cRedis \u6703\u6aa2\u67e5\u8a72\u9375\u662f\u5426\u904e\u671f\u3002\u5982\u679c\u904e\u671f\uff0c\u5247\u522a\u9664\u8a72\u9375\u4e26\u8fd4\u56de nil\u3002\u9019\u7a2e\u65b9\u5f0f\u7684\u512a\u9ede\u662f\u6e1b\u5c11\u4e86\u7cfb\u7d71\u7684\u958b\u92b7\uff0c\u4f46\u53ef\u80fd\u6703\u5c0e\u81f4\u904e\u671f\u9375\u5728\u4e00\u6bb5\u6642\u9593\u5167\u4ecd\u7136\u4f54\u7528\u5167\u5b58\u3002<\/li>\n<li><strong>\u5b9a\u671f\u522a\u9664\uff08Periodic Deletion\uff09<\/strong>\uff1aRedis \u6bcf\u9694\u4e00\u6bb5\u6642\u9593\u6703\u96a8\u6a5f\u6aa2\u67e5\u4e00\u90e8\u5206\u9375\uff0c\u522a\u9664\u904e\u671f\u7684\u9375\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u91cb\u653e\u5167\u5b58\uff0c\u4f46\u4e5f\u53ef\u80fd\u6703\u5c0e\u81f4\u77ed\u6642\u9593\u5167\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5%e7%9a%84%e9%81%b8%e6%93%87-lEtJxbQHkS\">\u904e\u671f\u7b56\u7565\u7684\u9078\u64c7<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684\u904e\u671f\u7b56\u7565\u53d6\u6c7a\u65bc\u61c9\u7528\u7684\u9700\u6c42\u548c\u7279\u6027\u3002\u5982\u679c\u61c9\u7528\u5c0d\u6027\u80fd\u8981\u6c42\u8f03\u9ad8\uff0c\u5247\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u60f0\u6027\u522a\u9664\u7b56\u7565\uff0c\u56e0\u70ba\u5b83\u4e0d\u6703\u5f71\u97ff\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002\u7136\u800c\uff0c\u82e5\u61c9\u7528\u9700\u8981\u66f4\u56b4\u683c\u7684\u5167\u5b58\u7ba1\u7406\uff0c\u5247\u5b9a\u671f\u522a\u9664\u7b56\u7565\u53ef\u80fd\u66f4\u70ba\u5408\u9069\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e4%b8%ad%e7%9a%84%e8%80%83%e9%87%8f-lEtJxbQHkS\">\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u8003\u91cf<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u958b\u767c\u8005\u9700\u8981\u6839\u64da\u5177\u9ad4\u60c5\u6cc1\u4f86\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u7528\u6236\u6703\u8a71\u6578\u64da\uff0c\u901a\u5e38\u9700\u8981\u8a2d\u7f6e\u8f03\u77ed\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u78ba\u4fdd\u7528\u6236\u7684\u5b89\u5168\u6027\u3002\u800c\u5c0d\u65bc\u4e00\u4e9b\u7de9\u5b58\u7684\u975c\u614b\u8cc7\u6e90\uff0c\u5247\u53ef\u4ee5\u8a2d\u7f6e\u8f03\u9577\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u958b\u767c\u8005\u9084\u61c9\u8003\u616e\u5230 Redis \u7684\u5167\u5b58\u9650\u5236\u3002\u5982\u679c Redis \u7684\u5167\u5b58\u9054\u5230\u4e0a\u9650\uff0c\u5247\u6703\u6839\u64da\u914d\u7f6e\u7684\u6dd8\u6c70\u7b56\u7565\uff08\u5982 LRU\u3001LFU \u7b49\uff09\u4f86\u522a\u9664\u9375\u3002\u56e0\u6b64\uff0c\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u548c\u9078\u64c7\u5408\u9069\u7684\u6dd8\u6c70\u7b56\u7565\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-lEtJxbQHkS\">\u7e3d\u7d50<\/h2>\n<p>Redis \u7684\u904e\u671f\u7b56\u7565\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6578\u64da\u7ba1\u7406\u65b9\u5f0f\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u548c\u9078\u64c7\u5408\u9069\u7684\u904e\u671f\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u5347\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u5feb\u53d6\u7684\u904e\u671f\u7b56\u7565\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406\u8cc7\u6599\u904e\u671f\u3001\u63d0\u5347\u6027\u80fd\u53ca\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-120017","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/120017","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=120017"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/120017\/revisions"}],"predecessor-version":[{"id":120018,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/120017\/revisions\/120018"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=120017"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=120017"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=120017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}