{"id":98890,"date":"2024-10-21T06:23:15","date_gmt":"2024-10-20T22:23:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98890\/"},"modified":"2024-10-21T06:23:16","modified_gmt":"2024-10-20T22:23:16","slug":"redis-%e5%8b%95%e6%85%8b%e8%aa%bf%e6%95%b4%e5%bf%ab%e5%8f%96%e5%a4%a7%e5%b0%8f%e4%be%86%e6%8f%90%e5%8d%87%e6%80%a7%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98890\/","title":{"rendered":"Redis \u52d5\u614b\u8abf\u6574\u5feb\u53d6\u5927\u5c0f\u4f86\u63d0\u5347\u6027\u80fd"},"content":{"rendered":"<h1 id=\"redis-%e5%8b%95%e6%85%8b%e8%aa%bf%e6%95%b4%e5%bf%ab%e5%8f%96%e5%a4%a7%e5%b0%8f%e4%be%86%e6%8f%90%e5%8d%87%e6%80%a7%e8%83%bd-hxJKpHUHgr\">Redis \u52d5\u614b\u8abf\u6574\u5feb\u53d6\u5927\u5c0f\u4f86\u63d0\u5347\u6027\u80fd<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u8def\u61c9\u7528\u7a0b\u5f0f\u4e2d\uff0c\u6027\u80fd\u662f\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u8a18\u61b6\u9ad4\u8cc7\u6599\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u548c\u6578\u64da\u5b58\u5132\u3002\u900f\u904e\u52d5\u614b\u8abf\u6574\u5feb\u53d6\u5927\u5c0f\uff0cRedis \u80fd\u5920\u6709\u6548\u63d0\u5347\u6027\u80fd\uff0c\u6eff\u8db3\u4e0d\u540c\u61c9\u7528\u5834\u666f\u7684\u9700\u6c42\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis%ef%bc%9f-hxJKpHUHgr\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u63f4\u591a\u7a2e\u8cc7\u6599\u7d50\u69cb\uff0c\u5982\u5b57\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u8b80\u5beb\u6027\u80fd\uff0cRedis \u5e38\u88ab\u7528\u4f5c\u5feb\u53d6\u7cfb\u7d71\uff0c\u4ee5\u6e1b\u5c11\u8cc7\u6599\u5eab\u7684\u8ca0\u64d4\u4e26\u52a0\u5feb\u6578\u64da\u5b58\u53d6\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e5%bf%ab%e5%8f%96%e5%a4%a7%e5%b0%8f%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-hxJKpHUHgr\">\u5feb\u53d6\u5927\u5c0f\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u5feb\u53d6\u5927\u5c0f\u76f4\u63a5\u5f71\u97ff Redis \u7684\u6027\u80fd\u3002\u904e\u5c0f\u7684\u5feb\u53d6\u53ef\u80fd\u5c0e\u81f4\u983b\u7e41\u7684\u8cc7\u6599\u5eab\u67e5\u8a62\uff0c\u589e\u52a0\u5ef6\u9072\uff1b\u800c\u904e\u5927\u7684\u5feb\u53d6\u5247\u53ef\u80fd\u6d6a\u8cbb\u8a18\u61b6\u9ad4\u8cc7\u6e90\u3002\u56e0\u6b64\uff0c\u52d5\u614b\u8abf\u6574\u5feb\u53d6\u5927\u5c0f\u662f\u63d0\u5347\u6027\u80fd\u7684\u95dc\u9375\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%8b%95%e6%85%8b%e8%aa%bf%e6%95%b4%e5%bf%ab%e5%8f%96%e5%a4%a7%e5%b0%8f-hxJKpHUHgr\">\u5982\u4f55\u52d5\u614b\u8abf\u6574\u5feb\u53d6\u5927\u5c0f<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u914d\u7f6e\u9078\u9805\u4f86\u52d5\u614b\u8abf\u6574\u5feb\u53d6\u5927\u5c0f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e5%ae%9a-maxmemory-hxJKpHUHgr\">1. \u8a2d\u5b9a maxmemory<\/h3>\n<p>\u4f7f\u7528 <code>maxmemory<\/code> \u53c3\u6578\u53ef\u4ee5\u9650\u5236 Redis \u4f7f\u7528\u7684\u6700\u5927\u8a18\u61b6\u9ad4\u3002\u7576\u9054\u5230\u6b64\u9650\u5236\u6642\uff0cRedis \u5c07\u6839\u64da\u8a2d\u5b9a\u7684\u9a45\u9010\u7b56\u7565\u4f86\u522a\u9664\u820a\u7684\u8cc7\u6599\u3002<\/p>\n<pre><code>CONFIG SET maxmemory 256mb\nCONFIG SET maxmemory-policy allkeys-lru\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07\u6700\u5927\u8a18\u61b6\u9ad4\u8a2d\u7f6e\u70ba 256MB\uff0c\u4e26\u4f7f\u7528 LRU\uff08Least Recently Used\uff09\u7b56\u7565\u4f86\u9a45\u9010\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-redis-%e7%9b%a3%e6%8e%a7%e5%b7%a5%e5%85%b7-hxJKpHUHgr\">2. \u4f7f\u7528 Redis \u76e3\u63a7\u5de5\u5177<\/h3>\n<p>\u900f\u904e Redis \u7684\u76e3\u63a7\u5de5\u5177\uff0c\u5982 <code>INFO<\/code> \u547d\u4ee4\uff0c\u53ef\u4ee5\u5be6\u6642\u76e3\u63a7\u8a18\u61b6\u9ad4\u4f7f\u7528\u60c5\u6cc1\uff0c\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574\u5feb\u53d6\u5927\u5c0f\u3002<\/p>\n<pre><code>INFO memory\n<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u8fd4\u56de\u6709\u95dc\u8a18\u61b6\u9ad4\u4f7f\u7528\u7684\u8a73\u7d30\u8cc7\u8a0a\uff0c\u5305\u62ec\u5df2\u7528\u8a18\u61b6\u9ad4\u3001\u6700\u5927\u8a18\u61b6\u9ad4\u7b49\u3002<\/p>\n<h3 id=\"3-%e8%87%aa%e5%8b%95%e8%aa%bf%e6%95%b4%e5%bf%ab%e5%8f%96%e5%a4%a7%e5%b0%8f-hxJKpHUHgr\">3. \u81ea\u52d5\u8abf\u6574\u5feb\u53d6\u5927\u5c0f<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u81ea\u52d5\u8abf\u6574\u7684\u6a5f\u5236\u3002\u900f\u904e\u7de8\u5beb\u8173\u672c\uff0c\u6839\u64da\u5be6\u969b\u7684\u8ca0\u8f09\u60c5\u6cc1\u81ea\u52d5\u8abf\u6574 <code>maxmemory<\/code> \u7684\u503c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u6839\u64da CPU \u4f7f\u7528\u7387\u6216\u8acb\u6c42\u6578\u91cf\u4f86\u8abf\u6574\u5feb\u53d6\u5927\u5c0f\u3002<\/p>\n<pre><code>if [ $(cpu_usage) -gt 80 ]; then\n    CONFIG SET maxmemory 512mb\nelse\n    CONFIG SET maxmemory 256mb\nfi\n<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-hxJKpHUHgr\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li>\u5b9a\u671f\u76e3\u63a7 Redis \u7684\u6027\u80fd\u6307\u6a19\uff0c\u53ca\u6642\u8abf\u6574\u5feb\u53d6\u5927\u5c0f\u3002<\/li>\n<li>\u6839\u64da\u61c9\u7528\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u9a45\u9010\u7b56\u7565\u3002<\/li>\n<li>\u5728\u9ad8\u8ca0\u8f09\u60c5\u6cc1\u4e0b\uff0c\u8003\u616e\u4f7f\u7528 Redis Cluster \u4f86\u5206\u6563\u8ca0\u8f09\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-hxJKpHUHgr\">\u7d50\u8ad6<\/h2>\n<p>\u52d5\u614b\u8abf\u6574 Redis \u7684\u5feb\u53d6\u5927\u5c0f\u662f\u63d0\u5347\u6027\u80fd\u7684\u91cd\u8981\u624b\u6bb5\u3002\u900f\u904e\u5408\u7406\u7684\u914d\u7f6e\u548c\u76e3\u63a7\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u8a18\u61b6\u9ad4\u4f7f\u7528\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5f0f\u7684\u9ad8\u6548\u904b\u884c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u70ba Redis \u63d0\u4f9b\u7a69\u5b9a\u7684\u904b\u884c\u74b0\u5883\uff0c\u9032\u4e00\u6b65\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u900f\u904e Redis \u52d5\u614b\u8abf\u6574\u5feb\u53d6\u5927\u5c0f\u4f86\u63d0\u5347\u6027\u80fd\uff0c\u512a\u5316\u8cc7\u6e90\u4f7f\u7528\uff0c\u5be6\u73fe\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\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-98890","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98890","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=98890"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98890\/revisions"}],"predecessor-version":[{"id":98891,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98890\/revisions\/98891"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}