{"id":173527,"date":"2024-11-07T18:46:21","date_gmt":"2024-11-07T10:46:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/173527\/"},"modified":"2024-11-07T18:46:21","modified_gmt":"2024-11-07T10:46:21","slug":"%e5%a6%82%e4%bd%95%e8%a8%88%e7%ae%97redis%e7%b7%a9%e5%ad%98%e7%9a%84%e5%91%bd%e4%b8%ad%e7%8e%87%ef%bc%88redis%e7%b7%a9%e5%ad%98%e5%91%bd%e4%b8%ad%e7%8e%87%e8%a8%88%e7%ae%97%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/173527\/","title":{"rendered":"\u5982\u4f55\u8a08\u7b97Redis\u7de9\u5b58\u7684\u547d\u4e2d\u7387\uff08redis\u7de9\u5b58\u547d\u4e2d\u7387\u8a08\u7b97\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e8%a8%88%e7%ae%97redis%e7%b7%a9%e5%ad%98%e7%9a%84%e5%91%bd%e4%b8%ad%e7%8e%87%ef%bc%88redis%e7%b7%a9%e5%ad%98%e5%91%bd%e4%b8%ad%e7%8e%87%e8%a8%88%e7%ae%97%ef%bc%89-SkHeMfwHXQ\">\u5982\u4f55\u8a08\u7b97Redis\u7de9\u5b58\u7684\u547d\u4e2d\u7387\uff08redis\u7de9\u5b58\u547d\u4e2d\u7387\u8a08\u7b97\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u7de9\u5b58\u6280\u8853\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5c24\u5176\u662fRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u3002\u4e86\u89e3Redis\u7de9\u5b58\u7684\u547d\u4e2d\u7387\u5c0d\u65bc\u512a\u5316\u61c9\u7528\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u8a08\u7b97Redis\u7de9\u5b58\u7684\u547d\u4e2d\u7387\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e7%b7%a9%e5%ad%98%e5%91%bd%e4%b8%ad%e7%8e%87%ef%bc%9f-SkHeMfwHXQ\">\u4ec0\u9ebc\u662fRedis\u7de9\u5b58\u547d\u4e2d\u7387\uff1f<\/h2>\n<p>Redis\u7de9\u5b58\u547d\u4e2d\u7387\u662f\u6307\u5f9e\u7de9\u5b58\u4e2d\u6210\u529f\u7372\u53d6\u6578\u64da\u7684\u8acb\u6c42\u6578\u91cf\u8207\u7e3d\u8acb\u6c42\u6578\u91cf\u4e4b\u9593\u7684\u6bd4\u7387\u3002\u9019\u4e00\u6307\u6a19\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u8a55\u4f30\u7de9\u5b58\u7684\u6709\u6548\u6027\uff0c\u5f9e\u800c\u9032\u884c\u76f8\u61c9\u7684\u512a\u5316\u3002\u547d\u4e2d\u7387\u8d8a\u9ad8\uff0c\u610f\u5473\u8457\u61c9\u7528\u7a0b\u5e8f\u80fd\u5920\u66f4\u983b\u7e41\u5730\u5f9e\u7de9\u5b58\u4e2d\u7372\u53d6\u6578\u64da\uff0c\u5f9e\u800c\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8acb\u6c42\uff0c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e5%91%bd%e4%b8%ad%e7%8e%87%e7%9a%84%e8%a8%88%e7%ae%97%e5%85%ac%e5%bc%8f-SkHeMfwHXQ\">\u547d\u4e2d\u7387\u7684\u8a08\u7b97\u516c\u5f0f<\/h2>\n<p>Redis\u7de9\u5b58\u7684\u547d\u4e2d\u7387\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u516c\u5f0f\u8a08\u7b97\uff1a<\/p>\n<pre><code>\u547d\u4e2d\u7387 = (\u547d\u4e2d\u6b21\u6578 \/ \u7e3d\u8acb\u6c42\u6b21\u6578) * 100%<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c\u547d\u4e2d\u6b21\u6578\u662f\u6307\u5f9e\u7de9\u5b58\u4e2d\u6210\u529f\u7372\u53d6\u6578\u64da\u7684\u8acb\u6c42\u6578\uff0c\u800c\u7e3d\u8acb\u6c42\u6b21\u6578\u5247\u662f\u6240\u6709\u8acb\u6c42\u7684\u7e3d\u548c\uff0c\u5305\u62ec\u5f9e\u7de9\u5b58\u548c\u5f8c\u7aef\u6578\u64da\u5eab\u7372\u53d6\u7684\u8acb\u6c42\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e7%8d%b2%e5%8f%96%e5%91%bd%e4%b8%ad%e6%ac%a1%e6%95%b8%e5%92%8c%e7%b8%bd%e8%ab%8b%e6%b1%82%e6%ac%a1%e6%95%b8-SkHeMfwHXQ\">\u5982\u4f55\u7372\u53d6\u547d\u4e2d\u6b21\u6578\u548c\u7e3d\u8acb\u6c42\u6b21\u6578<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u7372\u53d6\u7de9\u5b58\u7684\u547d\u4e2d\u6b21\u6578\u548c\u7e3d\u8acb\u6c42\u6b21\u6578\uff1a<\/p>\n<ul>\n<li><strong>INFO\u547d\u4ee4\uff1a<\/strong>\u4f7f\u7528\u6b64\u547d\u4ee4\u53ef\u4ee5\u7372\u53d6Redis\u7684\u5404\u7a2e\u7d71\u8a08\u4fe1\u606f\uff0c\u5305\u62ec\u547d\u4e2d\u6b21\u6578\u548c\u7e3d\u8acb\u6c42\u6b21\u6578\u3002<\/li>\n<\/ul>\n<pre><code>INFO stats<\/code><\/pre>\n<p>\u57f7\u884c\u4e0a\u8ff0\u547d\u4ee4\u5f8c\uff0c\u60a8\u5c07\u770b\u5230\u985e\u4f3c\u4ee5\u4e0b\u7684\u8f38\u51fa\uff1a<\/p>\n<pre><code>\n# Stats\ntotal_connections_received:1000\ntotal_commands_processed:5000\ninstantaneous_ops_per_sec:100\nkeyspace_hits:3000\nkeyspace_misses:2000\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>keyspace_hits<\/code>\u8868\u793a\u547d\u4e2d\u6b21\u6578\uff0c\u800c<code>keyspace_misses<\/code>\u8868\u793a\u672a\u547d\u4e2d\u6b21\u6578\u3002\u7e3d\u8acb\u6c42\u6b21\u6578\u53ef\u4ee5\u901a\u904e\u5c07\u547d\u4e2d\u6b21\u6578\u548c\u672a\u547d\u4e2d\u6b21\u6578\u76f8\u52a0\u4f86\u8a08\u7b97\uff1a<\/p>\n<pre><code>\u7e3d\u8acb\u6c42\u6b21\u6578 = keyspace_hits + keyspace_misses = 3000 + 2000 = 5000<\/code><\/pre>\n<h2 id=\"%e8%a8%88%e7%ae%97%e5%91%bd%e4%b8%ad%e7%8e%87%e7%9a%84%e7%a4%ba%e4%be%8b-SkHeMfwHXQ\">\u8a08\u7b97\u547d\u4e2d\u7387\u7684\u793a\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u5f9e\u4e0a\u9762\u7684\u8f38\u51fa\u4e2d\u7372\u5f97\u4e86\u4ee5\u4e0b\u6578\u64da\uff1a<\/p>\n<ul>\n<li>\u547d\u4e2d\u6b21\u6578\uff08keyspace_hits\uff09\uff1a3000<\/li>\n<li>\u672a\u547d\u4e2d\u6b21\u6578\uff08keyspace_misses\uff09\uff1a2000<\/li>\n<\/ul>\n<p>\u90a3\u9ebc\uff0c\u6211\u5011\u53ef\u4ee5\u8a08\u7b97\u547d\u4e2d\u7387\u5982\u4e0b\uff1a<\/p>\n<pre><code>\u547d\u4e2d\u7387 = (3000 \/ 5000) * 100% = 60%<\/code><\/pre>\n<p>\u9019\u610f\u5473\u8457\u5728\u6240\u6709\u8acb\u6c42\u4e2d\uff0c\u670960%\u7684\u8acb\u6c42\u662f\u5f9e\u7de9\u5b58\u4e2d\u6210\u529f\u7372\u53d6\u7684\uff0c\u9019\u662f\u4e00\u500b\u76f8\u5c0d\u4e0d\u932f\u7684\u547d\u4e2d\u7387\u3002<\/p>\n<h2 id=\"%e6%8f%90%e9%ab%98redis%e7%b7%a9%e5%ad%98%e5%91%bd%e4%b8%ad%e7%8e%87%e7%9a%84%e7%ad%96%e7%95%a5-SkHeMfwHXQ\">\u63d0\u9ad8Redis\u7de9\u5b58\u547d\u4e2d\u7387\u7684\u7b56\u7565<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8Redis\u7de9\u5b58\u7684\u547d\u4e2d\u7387\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u5408\u7406\u8a2d\u7f6e\u7de9\u5b58\u904e\u671f\u6642\u9593\uff1a<\/strong>\u6839\u64da\u6578\u64da\u7684\u4f7f\u7528\u983b\u7387\u548c\u6709\u6548\u6027\uff0c\u5408\u7406\u8a2d\u7f6e\u7de9\u5b58\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u907f\u514d\u983b\u7e41\u7684\u672a\u547d\u4e2d\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5408\u9069\u7684\u7de9\u5b58\u7b56\u7565\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u7684\u7279\u6027\u9078\u64c7\u5408\u9069\u7684\u7de9\u5b58\u7b56\u7565\uff0c\u5982LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u6216LFU\uff08\u6700\u4e0d\u5e38\u7528\uff09\u7b49\u3002<\/li>\n<li><strong>\u76e3\u63a7\u548c\u8abf\u6574\uff1a<\/strong>\u5b9a\u671f\u76e3\u63a7\u7de9\u5b58\u7684\u547d\u4e2d\u7387\uff0c\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9032\u884c\u8abf\u6574\u548c\u512a\u5316\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SkHeMfwHXQ\">\u7e3d\u7d50<\/h2>\n<p>\u8a08\u7b97Redis\u7de9\u5b58\u7684\u547d\u4e2d\u7387\u662f\u4e00\u500b\u91cd\u8981\u7684\u6027\u80fd\u6307\u6a19\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u8a55\u4f30\u548c\u512a\u5316\u61c9\u7528\u7684\u7de9\u5b58\u7b56\u7565\u3002\u901a\u904e\u4f7f\u7528<code>INFO<\/code>\u547d\u4ee4\u7372\u53d6\u76f8\u95dc\u6578\u64da\uff0c\u4e26\u6839\u64da\u516c\u5f0f\u9032\u884c\u8a08\u7b97\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6e05\u6670\u5730\u4e86\u89e3\u7de9\u5b58\u7684\u6709\u6548\u6027\u3002\u70ba\u4e86\u9032\u4e00\u6b65\u63d0\u9ad8\u547d\u4e2d\u7387\uff0c\u61c9\u8a72\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574\u7de9\u5b58\u7b56\u7565\u548c\u904e\u671f\u6642\u9593\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684<a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u512a\u5316\u61c9\u7528\u6027\u80fd\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u8a08\u7b97Redis\u7de9\u5b58\u7684\u547d\u4e2d\u7387\uff0c\u638c\u63e1\u7de9\u5b58\u6027\u80fd\u6307\u6a19\uff0c\u63d0\u5347\u61c9\u7528\u6548\u80fd\uff0c\u512a\u5316\u6578\u64da\u5b58\u53d6\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-173527","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173527","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=173527"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173527\/revisions"}],"predecessor-version":[{"id":173528,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173527\/revisions\/173528"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=173527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=173527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=173527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}