{"id":189108,"date":"2024-11-12T04:42:19","date_gmt":"2024-11-11T20:42:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/189108\/"},"modified":"2024-11-12T04:42:20","modified_gmt":"2024-11-11T20:42:20","slug":"%e6%8f%90%e5%8d%87%e5%bf%ab%e5%8f%96%e5%91%bd%e4%b8%ad%e7%8e%87%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%a9%b6redis%e5%bf%ab%e5%8f%96%e4%bd%bf%e7%94%a8%ef%bc%88redis%e5%bf%ab%e5%8f%96%e5%91%bd%e4%b8%ad%e7%8e%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/189108\/","title":{"rendered":"\u63d0\u5347\u5feb\u53d6\u547d\u4e2d\u7387\u6df1\u5165\u63a2\u7a76Redis\u5feb\u53d6\u4f7f\u7528\uff08redis\u5feb\u53d6\u547d\u4e2d\u7387\u67e5\u770b\uff09"},"content":{"rendered":"<h1 id=\"%e6%8f%90%e5%8d%87%e5%bf%ab%e5%8f%96%e5%91%bd%e4%b8%ad%e7%8e%87%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%a9%b6redis%e5%bf%ab%e5%8f%96%e4%bd%bf%e7%94%a8-VOJJvhSzrj\">\u63d0\u5347\u5feb\u53d6\u547d\u4e2d\u7387\u6df1\u5165\u63a2\u7a76Redis\u5feb\u53d6\u4f7f\u7528<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u8def\u74b0\u5883\u4e2d\uff0c\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\u5c0d\u65bc\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\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\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u63d0\u5347Redis\u7684\u5feb\u53d6\u547d\u4e2d\u7387\uff0c\u4e26\u4ecb\u7d39\u5982\u4f55\u67e5\u770bRedis\u7684\u5feb\u53d6\u547d\u4e2d\u7387\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%bf%ab%e5%8f%96%e5%91%bd%e4%b8%ad%e7%8e%87%ef%bc%9f-VOJJvhSzrj\">\u4ec0\u9ebc\u662f\u5feb\u53d6\u547d\u4e2d\u7387\uff1f<\/h2>\n<p>\u5feb\u53d6\u547d\u4e2d\u7387\u662f\u6307\u5f9e\u5feb\u53d6\u4e2d\u6210\u529f\u8b80\u53d6\u6578\u64da\u7684\u6bd4\u4f8b\u3002\u9ad8\u5feb\u53d6\u547d\u4e2d\u7387\u610f\u5473\u8457\u7cfb\u7d71\u80fd\u5920\u66f4\u6709\u6548\u5730\u5229\u7528\u5feb\u53d6\uff0c\u5f9e\u800c\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8acb\u6c42\uff0c\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u3002\u5feb\u53d6\u547d\u4e2d\u7387\u7684\u8a08\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre><code>\u5feb\u53d6\u547d\u4e2d\u7387 = (\u5feb\u53d6\u547d\u4e2d\u6b21\u6578) \/ (\u5feb\u53d6\u547d\u4e2d\u6b21\u6578 + \u5feb\u53d6\u672a\u547d\u4e2d\u6b21\u6578) * 100%<\/code><\/pre>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%ef%bc%9f-VOJJvhSzrj\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\u7684\u7406\u60f3\u9078\u64c7\u3002\u4ee5\u4e0b\u662fRedis\u7684\u4e00\u4e9b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li>\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6\uff1aRedis\u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6\u53ef\u9054\u6bcf\u79d2\u6578\u5341\u842c\u6b21\u3002<\/li>\n<li>\u652f\u6301\u6301\u4e45\u5316\uff1aRedis\u53ef\u4ee5\u5c07\u6578\u64da\u6301\u4e45\u5316\u5230\u78c1\u789f\uff0c\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u8c50\u5bcc\u7684\u6578\u64da\u7d50\u69cb\uff1a\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u6eff\u8db3\u4e0d\u540c\u7684\u61c9\u7528\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%8f%90%e5%8d%87redis%e5%bf%ab%e5%8f%96%e5%91%bd%e4%b8%ad%e7%8e%87%e7%9a%84%e7%ad%96%e7%95%a5-VOJJvhSzrj\">\u63d0\u5347Redis\u5feb\u53d6\u547d\u4e2d\u7387\u7684\u7b56\u7565<\/h2>\n<h3 id=\"1-%e9%81%a9%e7%95%b6%e7%9a%84%e5%bf%ab%e5%8f%96%e7%ad%96%e7%95%a5-VOJJvhSzrj\">1. \u9069\u7576\u7684\u5feb\u53d6\u7b56\u7565<\/h3>\n<p>\u9078\u64c7\u5408\u9069\u7684\u5feb\u53d6\u7b56\u7565\u5c0d\u65bc\u63d0\u5347\u5feb\u53d6\u547d\u4e2d\u7387\u81f3\u95dc\u91cd\u8981\u3002\u5e38\u898b\u7684\u5feb\u53d6\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>LRU\uff08Least Recently Used\uff09<\/strong>\uff1a\u79fb\u9664\u6700\u4e45\u672a\u4f7f\u7528\u7684\u6578\u64da\u3002<\/li>\n<li><strong>LFU\uff08Least Frequently Used\uff09<\/strong>\uff1a\u79fb\u9664\u4f7f\u7528\u983b\u7387\u6700\u4f4e\u7684\u6578\u64da\u3002<\/li>\n<li><strong>TTL\uff08Time To Live\uff09<\/strong>\uff1a\u8a2d\u7f6e\u6578\u64da\u7684\u6709\u6548\u671f\uff0c\u81ea\u52d5\u904e\u671f\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e9%a0%90%e7%86%b1-VOJJvhSzrj\">2. \u6578\u64da\u9810\u71b1<\/h3>\n<p>\u5728\u61c9\u7528\u555f\u52d5\u6642\uff0c\u53ef\u4ee5\u63d0\u524d\u5c07\u5e38\u7528\u6578\u64da\u52a0\u8f09\u5230Redis\u4e2d\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u521d\u59cb\u7684\u5feb\u53d6\u547d\u4e2d\u7387\u3002\u9019\u4e00\u904e\u7a0b\u7a31\u70ba\u6578\u64da\u9810\u71b1\u3002<\/p>\n<h3 id=\"3-%e5%90%88%e7%90%86%e7%9a%84%e5%bf%ab%e5%8f%96%e5%a4%a7%e5%b0%8f-VOJJvhSzrj\">3. \u5408\u7406\u7684\u5feb\u53d6\u5927\u5c0f<\/h3>\n<p>\u6839\u64da\u61c9\u7528\u7684\u9700\u6c42\uff0c\u5408\u7406\u914d\u7f6eRedis\u7684\u5feb\u53d6\u5927\u5c0f\uff0c\u907f\u514d\u56e0\u70ba\u5feb\u53d6\u7a7a\u9593\u4e0d\u8db3\u800c\u5c0e\u81f4\u7684\u983b\u7e41\u672a\u547d\u4e2d\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e5%90%88%e9%81%a9%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-VOJJvhSzrj\">4. \u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb<\/h3>\n<p>\u6839\u64da\u6578\u64da\u7684\u7279\u6027\u9078\u64c7\u5408\u9069\u7684Redis\u6578\u64da\u7d50\u69cb\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u9700\u8981\u983b\u7e41\u67e5\u8a62\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u54c8\u5e0c\u7d50\u69cb\u4f86\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8bredis%e5%bf%ab%e5%8f%96%e5%91%bd%e4%b8%ad%e7%8e%87-VOJJvhSzrj\">\u5982\u4f55\u67e5\u770bRedis\u5feb\u53d6\u547d\u4e2d\u7387<\/h2>\n<p>\u8981\u67e5\u770bRedis\u7684\u5feb\u53d6\u547d\u4e2d\u7387\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>INFO stats<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u4e00\u7cfb\u5217\u7d71\u8a08\u4fe1\u606f\uff0c\u5176\u4e2d\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>keyspace_hits<\/strong>\uff1a\u5feb\u53d6\u547d\u4e2d\u6b21\u6578\u3002<\/li>\n<li><strong>keyspace_misses<\/strong>\uff1a\u5feb\u53d6\u672a\u547d\u4e2d\u6b21\u6578\u3002<\/li>\n<\/ul>\n<p>\u6839\u64da\u9019\u4e9b\u6578\u64da\uff0c\u53ef\u4ee5\u8a08\u7b97\u51fa\u5feb\u53d6\u547d\u4e2d\u7387\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-VOJJvhSzrj\">\u7d50\u8ad6<\/h2>\n<p>\u63d0\u5347Redis\u7684\u5feb\u53d6\u547d\u4e2d\u7387\u662f\u63d0\u9ad8\u61c9\u7528\u6027\u80fd\u7684\u95dc\u9375\u3002\u901a\u904e\u9078\u64c7\u5408\u9069\u7684\u5feb\u53d6\u7b56\u7565\u3001\u9032\u884c\u6578\u64da\u9810\u71b1\u3001\u5408\u7406\u914d\u7f6e\u5feb\u53d6\u5927\u5c0f\u4ee5\u53ca\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u5feb\u53d6\u547d\u4e2d\u7387\u3002\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u5feb\u53d6\u547d\u4e2d\u7387\u7684\u7d71\u8a08\u6578\u64da\uff0c\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u53ca\u6642\u8abf\u6574\u7b56\u7565\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u53ca\u5176\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u7a76Redis\u5feb\u53d6\u4f7f\u7528\uff0c\u63d0\u5347\u5feb\u53d6\u547d\u4e2d\u7387\uff0c\u5b78\u7fd2\u5982\u4f55\u67e5\u770b\u548c\u512a\u5316Redis\u5feb\u53d6\u547d\u4e2d\u7387\uff0c\u589e\u5f37\u7cfb\u7d71\u6548\u80fd\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-189108","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189108","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=189108"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189108\/revisions"}],"predecessor-version":[{"id":189109,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189108\/revisions\/189109"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=189108"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=189108"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=189108"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}