{"id":180940,"date":"2024-11-09T14:27:14","date_gmt":"2024-11-09T06:27:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180940\/"},"modified":"2024-11-09T14:27:15","modified_gmt":"2024-11-09T06:27:15","slug":"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3-redis-%e7%a2%8e%e7%89%87%e7%8e%87%e5%a4%a7%e6%a6%82%e6%98%af%e4%bb%80%e9%ba%bc%ef%bc%88redis%e7%a2%8e%e7%89%87%e7%8e%87%e6%98%af%e4%bb%80%e9%ba%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180940\/","title":{"rendered":"\u6df1\u5165\u7406\u89e3 Redis \u788e\u7247\u7387\u5927\u6982\u662f\u4ec0\u9ebc\uff08redis\u788e\u7247\u7387\u662f\u4ec0\u9ebc\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3-redis-%e7%a2%8e%e7%89%87%e7%8e%87%e5%a4%a7%e6%a6%82%e6%98%af%e4%bb%80%e9%ba%bc-BkfCSgOqwu\">\u6df1\u5165\u7406\u89e3 Redis \u788e\u7247\u7387\u5927\u6982\u662f\u4ec0\u9ebc<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u3002\u7136\u800c\uff0c\u96a8\u8457\u4f7f\u7528\u7684\u6df1\u5165\uff0c\u8a31\u591a\u958b\u767c\u8005\u958b\u59cb\u95dc\u6ce8 Redis \u7684\u6027\u80fd\u6307\u6a19\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f\u300c\u788e\u7247\u7387\u300d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u788e\u7247\u7387\u7684\u6982\u5ff5\u3001\u5f71\u97ff\u56e0\u7d20\u53ca\u5176\u512a\u5316\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e7%a2%8e%e7%89%87%e7%8e%87%ef%bc%9f-BkfCSgOqwu\">\u4ec0\u9ebc\u662f Redis \u788e\u7247\u7387\uff1f<\/h2>\n<p>Redis \u788e\u7247\u7387\uff08Fragmentation Ratio\uff09\u662f\u6307 Redis \u5728\u5167\u5b58\u4e2d\u5be6\u969b\u4f7f\u7528\u7684\u7a7a\u9593\u8207\u5206\u914d\u7684\u5167\u5b58\u7a7a\u9593\u4e4b\u9593\u7684\u6bd4\u7387\u3002\u5177\u9ad4\u4f86\u8aaa\uff0c\u788e\u7247\u7387\u53ef\u4ee5\u7528\u4ee5\u4e0b\u516c\u5f0f\u8868\u793a\uff1a<\/p>\n<pre><code>\u788e\u7247\u7387 = (\u5df2\u4f7f\u7528\u7684\u5167\u5b58 \/ \u5206\u914d\u7684\u5167\u5b58) * 100%<\/code><\/pre>\n<p>\u5728\u7406\u60f3\u60c5\u6cc1\u4e0b\uff0c\u788e\u7247\u7387\u61c9\u8a72\u63a5\u8fd1 100%\uff0c\u9019\u610f\u5473\u8457\u5167\u5b58\u7684\u4f7f\u7528\u662f\u9ad8\u6548\u7684\u3002\u7136\u800c\uff0c\u7576\u788e\u7247\u7387\u4f4e\u65bc 100% \u6642\uff0c\u5247\u8868\u793a\u5b58\u5728\u5167\u5b58\u788e\u7247\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u5167\u5b58\u7684\u6d6a\u8cbb\u548c\u6027\u80fd\u7684\u4e0b\u964d\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e6%9c%83%e7%94%a2%e7%94%9f%e7%a2%8e%e7%89%87%ef%bc%9f-BkfCSgOqwu\">\u70ba\u4ec0\u9ebc\u6703\u7522\u751f\u788e\u7247\uff1f<\/h2>\n<p>Redis \u7684\u5167\u5b58\u7ba1\u7406\u662f\u57fa\u65bc\u52d5\u614b\u5206\u914d\u7684\uff0c\u9019\u610f\u5473\u8457\u7576\u6578\u64da\u88ab\u6dfb\u52a0\u6216\u522a\u9664\u6642\uff0c\u5167\u5b58\u7684\u4f7f\u7528\u60c5\u6cc1\u6703\u96a8\u4e4b\u8b8a\u5316\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5c0e\u81f4\u788e\u7247\u7684\u5e38\u898b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u983b\u7e41\u7684\u589e\u522a\u64cd\u4f5c\uff1a<\/strong>\u7576\u6578\u64da\u7d93\u5e38\u88ab\u6dfb\u52a0\u6216\u522a\u9664\u6642\uff0c\u5167\u5b58\u4e2d\u53ef\u80fd\u6703\u51fa\u73fe\u7a7a\u6d1e\uff0c\u9019\u4e9b\u7a7a\u6d1e\u7121\u6cd5\u88ab\u5176\u4ed6\u6578\u64da\u4f7f\u7528\uff0c\u5f9e\u800c\u5c0e\u81f4\u788e\u7247\u3002<\/li>\n<li><strong>\u4e0d\u540c\u5927\u5c0f\u7684\u6578\u64da\uff1a<\/strong>\u5982\u679c\u5b58\u5132\u7684\u6578\u64da\u5927\u5c0f\u5dee\u7570\u5f88\u5927\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u5167\u5b58\u5206\u914d\u4e0d\u5747\uff0c\u9032\u4e00\u6b65\u52a0\u5287\u788e\u7247\u7684\u554f\u984c\u3002<\/li>\n<li><strong>\u5167\u5b58\u91cd\u5206\u914d\uff1a<\/strong>\u7576 Redis \u9700\u8981\u64f4\u5c55\u5167\u5b58\u6642\uff0c\u53ef\u80fd\u6703\u9032\u884c\u5167\u5b58\u91cd\u5206\u914d\uff0c\u9019\u4e5f\u53ef\u80fd\u5c0e\u81f4\u788e\u7247\u7684\u7522\u751f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%aa%a2%e6%9f%a5-redis-%e7%a2%8e%e7%89%87%e7%8e%87%ef%bc%9f-BkfCSgOqwu\">\u5982\u4f55\u6aa2\u67e5 Redis \u788e\u7247\u7387\uff1f<\/h2>\n<p>\u8981\u6aa2\u67e5 Redis \u7684\u788e\u7247\u7387\uff0c\u53ef\u4ee5\u4f7f\u7528 Redis \u63d0\u4f9b\u7684\u547d\u4ee4\uff1a<\/p>\n<pre><code>INFO memory<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u6709\u95dc\u5167\u5b58\u4f7f\u7528\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u300cused_memory\u300d\u548c\u300cused_memory_rss\u300d\u7b49\u6307\u6a19\u3002\u788e\u7247\u7387\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u516c\u5f0f\u8a08\u7b97\uff1a<\/p>\n<pre><code>\u788e\u7247\u7387 = used_memory_rss \/ used_memory<\/code><\/pre>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96-redis-%e7%a2%8e%e7%89%87%e7%8e%87%ef%bc%9f-BkfCSgOqwu\">\u5982\u4f55\u512a\u5316 Redis \u788e\u7247\u7387\uff1f<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8 Redis \u7684\u6027\u80fd\u4e26\u6e1b\u5c11\u5167\u5b58\u788e\u7247\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u512a\u5316\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u91cd\u555f Redis\uff1a<\/strong>\u91cd\u555f Redis \u53ef\u4ee5\u6e05\u7406\u5167\u5b58\u4e2d\u7684\u788e\u7247\uff0c\u6062\u5fa9\u5167\u5b58\u7684\u9ad8\u6548\u4f7f\u7528\u3002<\/li>\n<li><strong>\u4f7f\u7528\u9069\u7576\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff0c\u4f8b\u5982\u4f7f\u7528\u54c8\u5e0c\u8868\u4f86\u5b58\u5132\u5c0f\u578b\u5c0d\u8c61\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5167\u5b58\u7684\u6d6a\u8cbb\u3002<\/li>\n<li><strong>\u8abf\u6574\u5167\u5b58\u5206\u914d\u7b56\u7565\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u7684\u7279\u6027\u8abf\u6574 Redis \u7684\u5167\u5b58\u5206\u914d\u7b56\u7565\uff0c\u4ee5\u6e1b\u5c11\u788e\u7247\u7684\u7522\u751f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-BkfCSgOqwu\">\u7e3d\u7d50<\/h2>\n<p>Redis \u788e\u7247\u7387\u662f\u4e00\u500b\u91cd\u8981\u7684\u6027\u80fd\u6307\u6a19\uff0c\u5f71\u97ff\u8457\u5167\u5b58\u7684\u4f7f\u7528\u6548\u7387\u548c\u6574\u9ad4\u6027\u80fd\u3002\u901a\u904e\u4e86\u89e3\u788e\u7247\u7387\u7684\u6982\u5ff5\u53ca\u5176\u5f71\u97ff\u56e0\u7d20\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63a1\u53d6\u76f8\u61c9\u7684\u63aa\u65bd\u4f86\u512a\u5316 Redis \u7684\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u5167\u5b58\u7ba1\u7406\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\u78ba\u4fdd\u5728\u9ad8\u8ca0\u8f09\u60c5\u6cc1\u4e0b\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u7406\u89e3Redis\u788e\u7247\u7387\uff0c\u63a2\u8ba8\u5176\u5b9a\u4e49\u3001\u5f71\u54cd\u53ca\u4f18\u5316\u65b9\u6cd5\uff0c\u5e2e\u52a9\u63d0\u5347Redis\u6027\u80fd\u4e0e\u8d44\u6e90\u5229\u7528\u6548\u7387\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-180940","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180940","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=180940"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180940\/revisions"}],"predecessor-version":[{"id":180941,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180940\/revisions\/180941"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=180940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=180940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=180940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}