{"id":120760,"date":"2024-10-25T01:29:38","date_gmt":"2024-10-24T17:29:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/120760\/"},"modified":"2024-10-25T01:29:39","modified_gmt":"2024-10-24T17:29:39","slug":"redis-%e5%bf%ab%e5%8f%96%e5%84%aa%e5%8c%96%e5%a4%a7%e5%b0%8f%e5%a6%82%e4%bd%95%e4%bc%b0%e7%ae%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/120760\/","title":{"rendered":"Redis \u5feb\u53d6\u512a\u5316\u5927\u5c0f\u5982\u4f55\u4f30\u7b97"},"content":{"rendered":"<h1 id=\"redis-%e5%bf%ab%e5%8f%96%e5%84%aa%e5%8c%96%e5%a4%a7%e5%b0%8f%e5%a6%82%e4%bd%95%e4%bc%b0%e7%ae%97-vpnrtoGTfx\">Redis \u5feb\u53d6\u512a\u5316\u5927\u5c0f\u5982\u4f55\u4f30\u7b97<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u8def\u61c9\u7528\u4e2d\uff0c\u5feb\u53d6\u6280\u8853\u5df2\u6210\u70ba\u63d0\u5347\u6027\u80fd\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u8a18\u61b6\u9ad4\u8cc7\u6599\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u7cfb\u7d71\u4e2d\u3002\u6b63\u78ba\u5730\u4f30\u7b97 Redis \u7684\u5feb\u53d6\u5927\u5c0f\u5c0d\u65bc\u7cfb\u7d71\u7684\u6027\u80fd\u512a\u5316\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u4f30\u7b97 Redis \u5feb\u53d6\u7684\u5927\u5c0f\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u5efa\u8b70\u548c\u7bc4\u4f8b\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e4%bc%b0%e7%ae%97%e5%bf%ab%e5%8f%96%e5%a4%a7%e5%b0%8f-vpnrtoGTfx\">\u70ba\u4ec0\u9ebc\u9700\u8981\u4f30\u7b97\u5feb\u53d6\u5927\u5c0f<\/h2>\n<p>\u5feb\u53d6\u7684\u4e3b\u8981\u76ee\u7684\u662f\u6e1b\u5c11\u8cc7\u6599\u5eab\u7684\u67e5\u8a62\u6b21\u6578\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\u548c\u6574\u9ad4\u6027\u80fd\u3002\u5982\u679c\u5feb\u53d6\u7684\u5927\u5c0f\u4e0d\u8db3\uff0c\u5c07\u5c0e\u81f4\u983b\u7e41\u7684 cache miss\uff0c\u9032\u800c\u5f71\u97ff\u7cfb\u7d71\u7684\u6548\u80fd\u3002\u76f8\u53cd\uff0c\u904e\u5927\u7684\u5feb\u53d6\u5247\u6703\u6d6a\u8cbb\u8cc7\u6e90\uff0c\u589e\u52a0\u904b\u884c\u6210\u672c\u3002\u56e0\u6b64\uff0c\u5408\u7406\u4f30\u7b97\u5feb\u53d6\u5927\u5c0f\u662f\u975e\u5e38\u5fc5\u8981\u7684\u3002<\/p>\n<h2 id=\"%e4%bc%b0%e7%ae%97%e5%bf%ab%e5%8f%96%e5%a4%a7%e5%b0%8f%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-vpnrtoGTfx\">\u4f30\u7b97\u5feb\u53d6\u5927\u5c0f\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e7%a2%ba%e5%ae%9a%e8%b3%87%e6%96%99%e6%a8%a1%e5%9e%8b-vpnrtoGTfx\">1. \u78ba\u5b9a\u8cc7\u6599\u6a21\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u4e86\u89e3\u61c9\u7528\u4e2d\u4f7f\u7528\u7684\u8cc7\u6599\u6a21\u578b\u3002\u4e0d\u540c\u7684\u8cc7\u6599\u7d50\u69cb\u5728 Redis \u4e2d\u4f54\u7528\u7684\u7a7a\u9593\u4e0d\u540c\u3002\u4f8b\u5982\uff0c\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u8cc7\u6599\u7d50\u69cb\u7684\u5927\u5c0f\u8a08\u7b97\u65b9\u5f0f\u5404\u7570\u3002<\/p>\n<h3 id=\"2-%e6%94%b6%e9%9b%86%e8%b3%87%e6%96%99%e7%b5%b1%e8%a8%88-vpnrtoGTfx\">2. \u6536\u96c6\u8cc7\u6599\u7d71\u8a08<\/h3>\n<p>\u5728\u4f30\u7b97\u5feb\u53d6\u5927\u5c0f\u4e4b\u524d\uff0c\u61c9\u8a72\u6536\u96c6\u61c9\u7528\u4e2d\u5404\u985e\u8cc7\u6599\u7684\u7d71\u8a08\u4fe1\u606f\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8cc7\u6599\u7684\u7e3d\u6578\u91cf<\/li>\n<li>\u6bcf\u500b\u8cc7\u6599\u9805\u7684\u5e73\u5747\u5927\u5c0f<\/li>\n<li>\u8cc7\u6599\u7684\u8a2a\u554f\u983b\u7387<\/li>\n<\/ul>\n<h3 id=\"3-%e8%a8%88%e7%ae%97%e5%bf%ab%e5%8f%96%e5%a4%a7%e5%b0%8f-vpnrtoGTfx\">3. \u8a08\u7b97\u5feb\u53d6\u5927\u5c0f<\/h3>\n<p>\u6839\u64da\u6536\u96c6\u5230\u7684\u8cc7\u6599\u7d71\u8a08\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\u4f86\u4f30\u7b97\u5feb\u53d6\u7684\u5927\u5c0f\uff1a<\/p>\n<pre><code>\u5feb\u53d6\u5927\u5c0f = (\u8cc7\u6599\u7e3d\u6578\u91cf) x (\u6bcf\u500b\u8cc7\u6599\u9805\u7684\u5e73\u5747\u5927\u5c0f) x (\u8a2a\u554f\u983b\u7387)<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u500b\u61c9\u7528\u6709 1000 \u689d\u8a18\u9304\uff0c\u6bcf\u689d\u8a18\u9304\u7684\u5e73\u5747\u5927\u5c0f\u70ba 1 KB\uff0c\u4e14\u9019\u4e9b\u8a18\u9304\u7684\u8a2a\u554f\u983b\u7387\u70ba 0.8\uff0c\u90a3\u9ebc\u5feb\u53d6\u5927\u5c0f\u7684\u4f30\u7b97\u70ba\uff1a<\/p>\n<pre><code>\u5feb\u53d6\u5927\u5c0f = 1000 x 1 KB x 0.8 = 800 KB<\/code><\/pre>\n<h2 id=\"%e8%80%83%e6%85%ae%e5%bf%ab%e5%8f%96%e7%9a%84%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5-vpnrtoGTfx\">\u8003\u616e\u5feb\u53d6\u7684\u904e\u671f\u7b56\u7565<\/h2>\n<p>\u5728\u4f30\u7b97\u5feb\u53d6\u5927\u5c0f\u6642\uff0c\u9084\u9700\u8981\u8003\u616e\u5feb\u53d6\u7684\u904e\u671f\u7b56\u7565\u3002Redis \u652f\u6301\u591a\u7a2e\u904e\u671f\u7b56\u7565\uff0c\u5982 LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u548c TTL\uff08\u751f\u5b58\u6642\u9593\uff09\u3002\u9019\u4e9b\u7b56\u7565\u6703\u5f71\u97ff\u5feb\u53d6\u7684\u547d\u4e2d\u7387\uff0c\u9032\u800c\u5f71\u97ff\u5feb\u53d6\u7684\u5927\u5c0f\u9700\u6c42\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-redis-%e7%9a%84%e5%85%a7%e5%bb%ba%e5%91%bd%e4%bb%a4%e9%80%b2%e8%a1%8c%e7%9b%a3%e6%8e%a7-vpnrtoGTfx\">\u4f7f\u7528 Redis \u7684\u5167\u5efa\u547d\u4ee4\u9032\u884c\u76e3\u63a7<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u4e9b\u5167\u5efa\u547d\u4ee4\u4f86\u5e6b\u52a9\u76e3\u63a7\u5feb\u53d6\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><code>INFO<\/code>\uff1a\u63d0\u4f9b\u6709\u95dc Redis \u4f3a\u670d\u5668\u7684\u5404\u7a2e\u7d71\u8a08\u4fe1\u606f\uff0c\u5305\u62ec\u8a18\u61b6\u9ad4\u4f7f\u7528\u60c5\u6cc1\u3002<\/li>\n<li><code>MONITOR<\/code>\uff1a\u5be6\u6642\u76e3\u63a7 Redis \u7684\u8acb\u6c42\u3002<\/li>\n<\/ul>\n<p>\u901a\u904e\u9019\u4e9b\u547d\u4ee4\uff0c\u53ef\u4ee5\u7372\u5f97\u5feb\u53d6\u7684\u5be6\u969b\u4f7f\u7528\u60c5\u6cc1\uff0c\u5f9e\u800c\u9032\u4e00\u6b65\u8abf\u6574\u5feb\u53d6\u7684\u5927\u5c0f\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-vpnrtoGTfx\">\u7d50\u8ad6<\/h2>\n<p>\u4f30\u7b97 Redis \u5feb\u53d6\u7684\u5927\u5c0f\u662f\u4e00\u500b\u91cd\u8981\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u5230\u8cc7\u6599\u6a21\u578b\u7684\u7406\u89e3\u3001\u8cc7\u6599\u7d71\u8a08\u7684\u6536\u96c6\u4ee5\u53ca\u5feb\u53d6\u7b56\u7565\u7684\u8003\u91cf\u3002\u901a\u904e\u5408\u7406\u7684\u4f30\u7b97\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u6e1b\u5c11\u8cc7\u6e90\u6d6a\u8cbb\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u9ad8\u6548\u80fd\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u4e86\u89e3\u5982\u4f55\u512a\u5316\u5feb\u53d6\u5927\u5c0f\u5c07\u662f\u63d0\u5347\u61c9\u7528\u6027\u80fd\u7684\u95dc\u9375\u4e00\u6b65\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f30\u7b97 Redis \u5feb\u53d6\u512a\u5316\u5927\u5c0f\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u78ba\u4fdd\u8cc7\u6e90\u6700\u4f73\u914d\u7f6e\uff0c\u5be6\u73fe\u66f4\u5feb\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-120760","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/120760","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=120760"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/120760\/revisions"}],"predecessor-version":[{"id":120761,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/120760\/revisions\/120761"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=120760"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=120760"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=120760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}