{"id":162147,"date":"2024-11-04T12:29:23","date_gmt":"2024-11-04T04:29:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162147\/"},"modified":"2024-11-04T12:29:24","modified_gmt":"2024-11-04T04:29:24","slug":"%e7%9b%a3%e6%b8%ac-redis-%e6%95%b8%e6%93%9a%e5%a4%b1%e6%95%88-%e5%bf%85%e4%b8%8d%e5%8f%af%e5%b0%91%e7%9a%84%e5%af%a6%e6%99%82%e9%a0%90%e8%ad%a6%ef%bc%88%e7%9b%a3%e6%8e%a7-redis-%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162147\/","title":{"rendered":"\u76e3\u6e2c Redis \u6578\u64da\u5931\u6548 \u5fc5\u4e0d\u53ef\u5c11\u7684\u5be6\u6642\u9810\u8b66\uff08\u76e3\u63a7 redis \u6578\u64da\u5931\u6548\uff09"},"content":{"rendered":"<h1 id=\"%e7%9b%a3%e6%b8%ac-redis-%e6%95%b8%e6%93%9a%e5%a4%b1%e6%95%88-%e5%bf%85%e4%b8%8d%e5%8f%af%e5%b0%91%e7%9a%84%e5%af%a6%e6%99%82%e9%a0%90%e8%ad%a6-HrxJZyBJwK\">\u76e3\u6e2c Redis \u6578\u64da\u5931\u6548 \u5fc5\u4e0d\u53ef\u5c11\u7684\u5be6\u6642\u9810\u8b66<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u5834\u666f\u3002\u7136\u800c\uff0cRedis \u6578\u64da\u5931\u6548\u7684\u554f\u984c\u537b\u5e38\u5e38\u88ab\u5ffd\u8996\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u3002\u56e0\u6b64\uff0c\u5c0d Redis \u6578\u64da\u5931\u6548\u9032\u884c\u76e3\u6e2c\u548c\u5be6\u6642\u9810\u8b66\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e6%95%b8%e6%93%9a%e5%a4%b1%e6%95%88%ef%bc%9f-HrxJZyBJwK\">\u4ec0\u9ebc\u662f Redis \u6578\u64da\u5931\u6548\uff1f<\/h2>\n<p>Redis \u6578\u64da\u5931\u6548\u662f\u6307\u5b58\u5132\u5728 Redis \u4e2d\u7684\u6578\u64da\u56e0\u70ba\u904e\u671f\u6642\u9593\u5230\u9054\u6216\u88ab\u4e3b\u52d5\u522a\u9664\u800c\u4e0d\u518d\u53ef\u7528\u3002Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u904e\u671f\u7b56\u7565\uff0c\u4f8b\u5982\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u6216\u4f7f\u7528 LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7b97\u6cd5\u4f86\u81ea\u52d5\u522a\u9664\u4e0d\u5e38\u7528\u7684\u6578\u64da\u3002\u9019\u4e9b\u7b56\u7565\u96d6\u7136\u80fd\u5920\u6709\u6548\u7ba1\u7406\u5167\u5b58\uff0c\u4f46\u5982\u679c\u4e0d\u52a0\u4ee5\u76e3\u63a7\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u5728\u9700\u8981\u6578\u64da\u6642\u7121\u6cd5\u7372\u53d6\uff0c\u5f9e\u800c\u5f71\u97ff\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e7%9b%a3%e6%b8%ac-redis-%e6%95%b8%e6%93%9a%e5%a4%b1%e6%95%88%ef%bc%9f-HrxJZyBJwK\">\u70ba\u4ec0\u9ebc\u9700\u8981\u76e3\u6e2c Redis \u6578\u64da\u5931\u6548\uff1f<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u5f71\u97ff\uff1a<\/strong>\u7576 Redis \u4e2d\u7684\u6578\u64da\u5931\u6548\u6642\uff0c\u61c9\u7528\u7a0b\u5e8f\u53ef\u80fd\u9700\u8981\u5f9e\u5176\u4ed6\u6578\u64da\u6e90\uff08\u5982\u6578\u64da\u5eab\uff09\u91cd\u65b0\u52a0\u8f09\u6578\u64da\uff0c\u9019\u6703\u589e\u52a0\u5ef6\u9072\u4e26\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5982\u679c\u61c9\u7528\u7a0b\u5e8f\u4f9d\u8cf4\u65bc Redis \u4e2d\u7684\u6578\u64da\u9032\u884c\u8a08\u7b97\u6216\u908f\u8f2f\u8655\u7406\uff0c\u6578\u64da\u5931\u6548\u53ef\u80fd\u5c0e\u81f4\u4e0d\u4e00\u81f4\u7684\u7d50\u679c\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u6d6a\u8cbb\uff1a<\/strong>\u983b\u7e41\u7684\u6578\u64da\u5931\u6548\u548c\u91cd\u65b0\u52a0\u8f09\u6703\u6d88\u8017\u984d\u5916\u7684\u8a08\u7b97\u8cc7\u6e90\uff0c\u589e\u52a0\u904b\u884c\u6210\u672c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be-redis-%e6%95%b8%e6%93%9a%e5%a4%b1%e6%95%88%e7%9a%84%e7%9b%a3%e6%b8%ac%e8%88%87%e9%a0%90%e8%ad%a6-HrxJZyBJwK\">\u5982\u4f55\u5be6\u73fe Redis \u6578\u64da\u5931\u6548\u7684\u76e3\u6e2c\u8207\u9810\u8b66<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u76e3\u6e2c Redis \u6578\u64da\u5931\u6548\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-redis-%e7%9a%84%e4%ba%8b%e4%bb%b6%e9%80%9a%e7%9f%a5-HrxJZyBJwK\">1. \u4f7f\u7528 Redis \u7684\u4e8b\u4ef6\u901a\u77e5<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86\u4e8b\u4ef6\u901a\u77e5\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u6578\u64da\u5931\u6548\u6642\u767c\u9001\u901a\u77e5\u3002\u901a\u904e\u8a2d\u7f6e <code>notify-keyspace-events<\/code> \u914d\u7f6e\uff0c\u53ef\u4ee5\u76e3\u807d\u9375\u7684\u904e\u671f\u4e8b\u4ef6\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CONFIG SET notify-keyspace-events Ex<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u7576\u9375\u904e\u671f\u6642\uff0cRedis \u6703\u5728 <code>__keyevent@0__:expired<\/code> \u983b\u9053\u4e0a\u767c\u9001\u901a\u77e5\uff0c\u61c9\u7528\u7a0b\u5e8f\u53ef\u4ee5\u8a02\u95b1\u9019\u500b\u983b\u9053\u4f86\u7372\u53d6\u904e\u671f\u4e8b\u4ef6\u3002<\/p>\n<h3 id=\"2-%e5%af%a6%e6%99%82%e7%9b%a3%e6%8e%a7%e5%b7%a5%e5%85%b7-HrxJZyBJwK\">2. \u5be6\u6642\u76e3\u63a7\u5de5\u5177<\/h3>\n<p>\u4f7f\u7528\u5c08\u696d\u7684\u76e3\u63a7\u5de5\u5177\uff08\u5982 Prometheus\u3001Grafana\uff09\u4f86\u76e3\u63a7 Redis \u7684\u6027\u80fd\u6307\u6a19\uff0c\u5305\u62ec\u547d\u4e2d\u7387\u3001\u904e\u671f\u9375\u6578\u91cf\u7b49\u3002\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u8a2d\u7f6e\u95be\u503c\uff0c\u7576\u6307\u6a19\u8d85\u904e\u9810\u8a2d\u7bc4\u570d\u6642\uff0c\u767c\u9001\u8b66\u5831\u901a\u77e5\u3002<\/p>\n<h3 id=\"3-%e8%87%aa%e5%ae%9a%e7%be%a9%e7%9b%a3%e6%8e%a7%e8%85%b3%e6%9c%ac-HrxJZyBJwK\">3. \u81ea\u5b9a\u7fa9\u76e3\u63a7\u8173\u672c<\/h3>\n<p>\u53ef\u4ee5\u7de8\u5beb\u81ea\u5b9a\u7fa9\u7684\u76e3\u63a7\u8173\u672c\uff0c\u5b9a\u671f\u6aa2\u67e5 Redis \u4e2d\u7684\u6578\u64da\u72c0\u614b\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 Python \u7684 <code>redis-py<\/code> \u5eab\u4f86\u6aa2\u67e5\u7279\u5b9a\u9375\u7684\u5b58\u5728\u6027\uff1a<\/p>\n<pre><code>import redis\n\nr = redis.Redis(host='localhost', port=6379, db=0)\nif not r.exists('your_key'):\n    print(\"\u8b66\u544a\uff1a\u6578\u64da\u5931\u6548\uff01\")<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-HrxJZyBJwK\">\u7d50\u8ad6<\/h2>\n<p>\u76e3\u6e2c Redis \u6578\u64da\u5931\u6548\u662f\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u7684\u95dc\u9375\u6b65\u9a5f\u3002\u901a\u904e\u4f7f\u7528 Redis \u7684\u4e8b\u4ef6\u901a\u77e5\u3001\u5be6\u6642\u76e3\u63a7\u5de5\u5177\u4ee5\u53ca\u81ea\u5b9a\u7fa9\u76e3\u63a7\u8173\u672c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5be6\u73fe\u5c0d\u6578\u64da\u5931\u6548\u7684\u76e3\u6e2c\u548c\u9810\u8b66\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7528\u6236\u9ad4\u9a57\uff0c\u9084\u80fd\u964d\u4f4e\u8cc7\u6e90\u6d6a\u8cbb\uff0c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">VPS<\/a> \u53ca\u5176\u5728 Redis \u76e3\u63a7\u4e2d\u7684\u61c9\u7528\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5be6\u6642\u76e3\u63a7 Redis \u6578\u64da\u5931\u6548\uff0c\u63d0\u4f9b\u5fc5\u8981\u7684\u9810\u8b66\u7cfb\u7d71\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u8207\u7cfb\u7d71\u7a69\u5b9a\u6027\uff0c\u63d0\u5347\u696d\u52d9\u904b\u884c\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-162147","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162147","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=162147"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162147\/revisions"}],"predecessor-version":[{"id":162148,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162147\/revisions\/162148"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}