{"id":164203,"date":"2024-11-05T05:54:38","date_gmt":"2024-11-04T21:54:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/164203\/"},"modified":"2024-11-05T05:54:39","modified_gmt":"2024-11-04T21:54:39","slug":"%e5%80%9f%e5%8a%a9redis%e5%af%a6%e7%8f%be%e7%b7%a9%e5%ad%98%e5%91%bd%e4%b8%ad%e6%83%85%e6%b3%81%e7%9b%a3%e6%8e%a7%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e5%91%bd%e4%b8%ad%e7%9b%a3%e6%8e%a7%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/164203\/","title":{"rendered":"\u501f\u52a9Redis\u5be6\u73fe\u7de9\u5b58\u547d\u4e2d\u60c5\u6cc1\u76e3\u63a7\uff08redis \u7de9\u5b58\u547d\u4e2d\u76e3\u63a7\uff09"},"content":{"rendered":"<h1 id=\"%e5%80%9f%e5%8a%a9redis%e5%af%a6%e7%8f%be%e7%b7%a9%e5%ad%98%e5%91%bd%e4%b8%ad%e6%83%85%e6%b3%81%e7%9b%a3%e6%8e%a7%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e5%91%bd%e4%b8%ad%e7%9b%a3%e6%8e%a7%ef%bc%89-AckhPSxePA\">\u501f\u52a9Redis\u5be6\u73fe\u7de9\u5b58\u547d\u4e2d\u60c5\u6cc1\u76e3\u63a7\uff08Redis \u7de9\u5b58\u547d\u4e2d\u76e3\u63a7\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u662f\u7528\u6236\u9ad4\u9a57\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002\u70ba\u4e86\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\uff0c\u8a31\u591a\u958b\u767c\u8005\u9078\u64c7\u4f7f\u7528\u7de9\u5b58\u6280\u8853\uff0c\u5176\u4e2dRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u7de9\u5b58\u547d\u4e2d\u60c5\u6cc1\u7684\u76e3\u63a7\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u512a\u5316\u5176\u61c9\u7528\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%b7%a9%e5%ad%98%e5%91%bd%e4%b8%ad%e7%8e%87%ef%bc%9f-AckhPSxePA\">\u4ec0\u9ebc\u662f\u7de9\u5b58\u547d\u4e2d\u7387\uff1f<\/h2>\n<p>\u7de9\u5b58\u547d\u4e2d\u7387\u662f\u8861\u91cf\u7de9\u5b58\u7cfb\u7d71\u6548\u7387\u7684\u4e00\u500b\u91cd\u8981\u6307\u6a19\u3002\u5b83\u8868\u793a\u5f9e\u7de9\u5b58\u4e2d\u6210\u529f\u7372\u53d6\u6578\u64da\u7684\u8acb\u6c42\u6578\u91cf\u8207\u7e3d\u8acb\u6c42\u6578\u91cf\u4e4b\u6bd4\u3002\u9ad8\u7684\u7de9\u5b58\u547d\u4e2d\u7387\u610f\u5473\u8457\u66f4\u591a\u7684\u8acb\u6c42\u662f\u5f9e\u7de9\u5b58\u4e2d\u7372\u53d6\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8ca0\u64d4\uff0c\u63d0\u9ad8\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-AckhPSxePA\">Redis\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\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\u7531\u65bc\u5176\u9ad8\u6548\u7684\u5167\u5b58\u5b58\u53d6\u80fd\u529b\uff0cRedis\u88ab\u5ee3\u6cdb\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e7%9b%a3%e6%8e%a7redis%e7%9a%84%e7%b7%a9%e5%ad%98%e5%91%bd%e4%b8%ad%e7%8e%87-AckhPSxePA\">\u5982\u4f55\u76e3\u63a7Redis\u7684\u7de9\u5b58\u547d\u4e2d\u7387<\/h2>\n<p>\u8981\u76e3\u63a7Redis\u7684\u7de9\u5b58\u547d\u4e2d\u7387\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u63d0\u4f9b\u7684\u7d71\u8a08\u4fe1\u606f\u3002Redis\u7684\u547d\u4ee4\u884c\u754c\u9762\u63d0\u4f9b\u4e86\u591a\u7a2e\u547d\u4ee4\u4f86\u7372\u53d6\u6709\u95dc\u7de9\u5b58\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5176\u4e2d\u6700\u91cd\u8981\u7684\u547d\u4ee4\u662f\uff1a<\/p>\n<ul>\n<li><code>INFO<\/code>\uff1a\u8a72\u547d\u4ee4\u53ef\u4ee5\u8fd4\u56deRedis\u670d\u52d9\u5668\u7684\u5404\u7a2e\u7d71\u8a08\u4fe1\u606f\uff0c\u5305\u62ec\u7de9\u5b58\u547d\u4e2d\u7387\u3002<\/li>\n<\/ul>\n<p>\u57f7\u884c<code>INFO<\/code>\u547d\u4ee4\u5f8c\uff0c\u60a8\u5c07\u770b\u5230\u985e\u4f3c\u4ee5\u4e0b\u7684\u8f38\u51fa\uff1a<\/p>\n<pre>\n# Stats\ntotal_connections_received:100\ntotal_commands_processed:200\ninstantaneous_ops_per_sec:10\ntotal_net_input_bytes:5000\ntotal_net_output_bytes:3000\ninstantaneous_input_kbps:0.5\ninstantaneous_output_kbps:0.3\nrejected_connections:0\nsync_full:0\nsync_partial_ok:0\nsync_partial_err:0\nexpired_keys:0\nevicted_keys:0\nkeyspace_hits:150\nkeyspace_misses:50\n<\/pre>\n<p>\u5728\u9019\u500b\u8f38\u51fa\u4e2d\uff0c<code>keyspace_hits<\/code>\u8868\u793a\u5f9e\u7de9\u5b58\u4e2d\u6210\u529f\u7372\u53d6\u7684\u9375\u7684\u6578\u91cf\uff0c\u800c<code>keyspace_misses<\/code>\u5247\u8868\u793a\u672a\u80fd\u5f9e\u7de9\u5b58\u4e2d\u7372\u53d6\u7684\u9375\u7684\u6578\u91cf\u3002\u901a\u904e\u9019\u5169\u500b\u6307\u6a19\uff0c\u6211\u5011\u53ef\u4ee5\u8a08\u7b97\u7de9\u5b58\u547d\u4e2d\u7387\uff1a<\/p>\n<pre>\ncache_hit_rate = keyspace_hits \/ (keyspace_hits + keyspace_misses)\n<\/pre>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%b7%a9%e5%ad%98%e5%91%bd%e4%b8%ad%e7%9b%a3%e6%8e%a7%e7%9a%84%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-AckhPSxePA\">\u5be6\u73fe\u7de9\u5b58\u547d\u4e2d\u76e3\u63a7\u7684\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Python\u548cRedis-py\u5eab\u4f86\u76e3\u63a7\u7de9\u5b58\u547d\u4e2d\u7387\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u7372\u53d6\u7de9\u5b58\u7d71\u8a08\u4fe1\u606f\ninfo = r.info()\n\n# \u8a08\u7b97\u7de9\u5b58\u547d\u4e2d\u7387\nhits = info['keyspace_hits']\nmisses = info['keyspace_misses']\ncache_hit_rate = hits \/ (hits + misses) * 100\n\nprint(f\"\u7de9\u5b58\u547d\u4e2d\u7387: {cache_hit_rate:.2f}%\")<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u9023\u63a5\u5230\u672c\u5730\u7684Redis\u670d\u52d9\u5668\uff0c\u7372\u53d6\u7de9\u5b58\u7684\u7d71\u8a08\u4fe1\u606f\uff0c\u4e26\u8a08\u7b97\u51fa\u7de9\u5b58\u547d\u4e2d\u7387\u3002\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9019\u4e9b\u6578\u64da\u9032\u884c\u6027\u80fd\u8abf\u512a\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-AckhPSxePA\">\u7d50\u8ad6<\/h2>\n<p>\u76e3\u63a7Redis\u7684\u7de9\u5b58\u547d\u4e2d\u7387\u662f\u512a\u5316\u61c9\u7528\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u5b9a\u671f\u6aa2\u67e5\u7de9\u5b58\u547d\u4e2d\u7387\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8b58\u5225\u6027\u80fd\u74f6\u9838\uff0c\u4e26\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574\u7de9\u5b58\u7b56\u7565\u3002\u96a8\u8457\u61c9\u7528\u7684\u589e\u9577\uff0c\u6301\u7e8c\u7684\u76e3\u63a7\u548c\u512a\u5316\u5c07\u6709\u52a9\u65bc\u4fdd\u6301\u9ad8\u6548\u7684\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-AckhPSxePA\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u9032\u884c\u7de9\u5b58\u6642\uff0c\u4e86\u89e3\u548c\u76e3\u63a7\u7de9\u5b58\u547d\u4e2d\u7387\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u900f\u904e\u6709\u6548\u7684\u76e3\u63a7\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u512a\u5316\u5176\u61c9\u7528\u7684\u6027\u80fd\uff0c\u78ba\u4fdd\u7528\u6236\u7372\u5f97\u6700\u4f73\u7684\u9ad4\u9a57\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u63d0\u5347\u60a8\u7684\u670d\u52d9\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u501f\u52a9Redis\u5be6\u73fe\u7de9\u5b58\u547d\u4e2d\u60c5\u6cc1\u76e3\u63a7\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u512a\u5316\u8cc7\u6e90\u4f7f\u7528\uff0c\u78ba\u4fdd\u6578\u64da\u9ad8\u6548\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-164203","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164203","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=164203"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164203\/revisions"}],"predecessor-version":[{"id":164204,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164203\/revisions\/164204"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=164203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=164203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=164203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}