{"id":32552,"date":"2025-03-04T10:23:02","date_gmt":"2025-03-04T02:23:02","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=32552"},"modified":"2025-03-04T10:23:02","modified_gmt":"2025-03-04T02:23:02","slug":"%e5%be%ae%e6%9c%8d%e5%8a%a1%e7%9b%91%e6%8e%a7%e4%b8%ad%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e6%9c%8d%e5%8a%a1%e7%9a%84%e7%bc%93%e5%ad%98%e7%9b%91%e6%8e%a7%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/32552.html","title":{"rendered":"\u5fae\u670d\u52a1\u76d1\u63a7\u4e2d\u5982\u4f55\u5b9e\u73b0\u670d\u52a1\u7684\u7f13\u5b58\u76d1\u63a7\uff1f"},"content":{"rendered":"<p style=\"text-align: center;\">\n<p><img decoding=\"async\" src=\"https:\/\/pic.zadbj010.com\/2025\/6b52e49cc16ba97.jpg\" alt=\"\u5fae\u670d\u52a1\u76d1\u63a7\u4e2d\u5982\u4f55\u5b9e\u73b0\u670d\u52a1\u7684\u7f13\u5b58\u76d1\u63a7\uff1f\" ><\/p>\n<\/p>\n<p><strong>\u3010\u524d\u8a00\u3011<\/strong><br \/>\n\u5728\u5206\u5e03\u5f0f\u67b6\u6784\u4e3b\u5bfc\u7684\u4e91\u539f\u751f\u65f6\u4ee3\uff0c\u5fae\u670d\u52a1\u5df2\u6210\u4e3a\u4f01\u4e1a\u6784\u5efa\u9ad8\u53ef\u7528\u7cfb\u7edf\u7684\u6838\u5fc3\u8303\u5f0f\u3002\u7136\u800c\uff0c\u968f\u7740\u670d\u52a1\u6570\u91cf\u7684\u6fc0\u589e\u548c\u8c03\u7528\u94fe\u7684\u590d\u6742\u5316\uff0c<strong>\u7f13\u5b58\u673a\u5236<\/strong>\u4f5c\u4e3a\u63d0\u5347\u6027\u80fd\u7684\u5229\u5668\uff0c\u5374\u53ef\u80fd\u56e0\u76d1\u63a7\u7f3a\u5931\u6210\u4e3a\u7cfb\u7edf\u7684\u201c\u6697\u7901\u201d\u3002\u4eceRedis\u5d29\u6e83\u5bfc\u81f4\u7684\u96ea\u5d29\u6548\u5e94\uff0c\u5230\u672c\u5730\u7f13\u5b58\u4e0d\u4e00\u81f4\u5f15\u53d1\u7684\u4e1a\u52a1\u903b\u8f91\u9519\u8bef\uff0c\u7f13\u5b58\u95ee\u9898\u6b63\u6084\u7136\u5a01\u80c1\u7740\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u3002\u5982\u4f55\u5b9e\u73b0<strong>\u5fae\u670d\u52a1\u7f13\u5b58\u7684\u9ad8\u6548\u76d1\u63a7<\/strong>\uff0c\u4e0d\u4ec5\u5173\u4e4e\u6027\u80fd\u4f18\u5316\uff0c\u66f4\u6210\u4e3a\u4fdd\u969c\u4e1a\u52a1\u8fde\u7eed\u6027\u7684\u5173\u952e\u547d\u9898\u3002\u672c\u6587\u5c06\u6df1\u5165\u5256\u6790\u7f13\u5b58\u76d1\u63a7\u7684\u6838\u5fc3\u903b\u8f91\u4e0e\u843d\u5730\u5b9e\u8df5\uff0c\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u53ef\u590d\u7528\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<hr>\n<h3 id=\"\u4e00-\u5fae\u670d\u52a1\u7f13\u5b58\u7684\u4ef7\u503c\u4e0e\u76d1\u63a7\u6311\u6218\"><strong>\u4e00\u3001\u5fae\u670d\u52a1\u7f13\u5b58\u7684\u4ef7\u503c\u4e0e\u76d1\u63a7\u6311\u6218<\/strong><\/h3>\n<p>\u5728\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u7f13\u5b58\u901a\u8fc7\u51cf\u5c11\u6570\u636e\u5e93\u8d1f\u8f7d\u3001\u52a0\u901f\u6570\u636e\u8bbf\u95ee\uff0c\u663e\u8457\u63d0\u5347\u4e86\u7cfb\u7edf\u7684\u541e\u5410\u91cf\u548c\u54cd\u5e94\u901f\u5ea6\u3002<strong>\u5206\u5e03\u5f0f\u7f13\u5b58\uff08\u5982Redis\u3001Memcached\uff09<\/strong>\u548c<strong>\u672c\u5730\u7f13\u5b58\uff08\u5982Caffeine\u3001Ehcache\uff09<\/strong>\u7684\u7ec4\u5408\u4f7f\u7528\uff0c\u5df2\u6210\u4e3a\u5e94\u5bf9\u9ad8\u5e76\u53d1\u573a\u666f\u7684\u6807\u51c6\u914d\u7f6e\u3002\u7136\u800c\uff0c\u7f13\u5b58\u7684\u5f15\u5165\u4e5f\u5e26\u6765\u4e86\u65b0\u7684\u590d\u6742\u6027\uff1a<\/p>\n<ol>\n<li><strong>\u6570\u636e\u4e00\u81f4\u6027\u98ce\u9669<\/strong>\uff1a\u591a\u7ea7\u7f13\u5b58\u4e4b\u95f4\u7684\u540c\u6b65\u5ef6\u8fdf\u53ef\u80fd\u5bfc\u81f4\u4e1a\u52a1\u903b\u8f91\u9519\u8bef\uff1b\n<\/li>\n<li><strong>\u8d44\u6e90\u7ba1\u7406\u96be\u9898<\/strong>\uff1a\u7f13\u5b58\u5360\u7528\u5185\u5b58\u7684\u6ce2\u52a8\u53ef\u80fd\u5f15\u53d1\u670d\u52a1\u8282\u70b9OOM\uff08\u5185\u5b58\u6ea2\u51fa\uff09\uff1b\n<\/li>\n<li><strong>\u5931\u6548\u7b56\u7565\u5931\u6548<\/strong>\uff1a\u70ed\u70b9\u6570\u636e\u7a81\u7136\u5931\u6548\u53ef\u80fd\u89e6\u53d1\u6570\u636e\u5e93\u67e5\u8be2\u98ce\u66b4\uff1b\n<\/li>\n<li><strong>\u5206\u5e03\u5f0f\u73af\u5883\u534f\u540c<\/strong>\uff1a\u8de8\u670d\u52a1\u7684\u7f13\u5b58\u4f9d\u8d56\u5173\u7cfb\u96be\u4ee5\u8ffd\u8e2a\u3002\n<\/li>\n<\/ol>\n<p>\u8fd9\u4e9b\u95ee\u9898\u7684\u6839\u6e90\u5728\u4e8e\uff0c\u4f20\u7edf\u76d1\u63a7\u5de5\u5177\u5f80\u5f80\u4ec5\u5173\u6ce8CPU\u3001\u5185\u5b58\u7b49\u57fa\u7840\u6307\u6807\uff0c\u800c\u7f3a\u4e4f\u5bf9<strong>\u7f13\u5b58\u751f\u547d\u5468\u671f\u3001\u547d\u4e2d\u7387\u3001\u5931\u6548\u6a21\u5f0f<\/strong>\u7b49\u6838\u5fc3\u7ef4\u5ea6\u7684\u6df1\u5ea6\u6d1e\u5bdf\u3002<strong>\u6784\u5efa\u4e13\u5c5e\u7684\u7f13\u5b58\u76d1\u63a7\u4f53\u7cfb<\/strong>\uff0c\u6210\u4e3a\u5fae\u670d\u52a1\u6cbb\u7406\u4e2d\u4e0d\u53ef\u5ffd\u89c6\u7684\u4e00\u73af\u3002<\/p>\n<hr>\n<h3 id=\"\u4e8c-\u7f13\u5b58\u76d1\u63a7\u7684\u6838\u5fc3\u6307\u6807\u4f53\u7cfb\"><strong>\u4e8c\u3001\u7f13\u5b58\u76d1\u63a7\u7684\u6838\u5fc3\u6307\u6807\u4f53\u7cfb<\/strong><\/h3>\n<p>\u6709\u6548\u7684\u76d1\u63a7\u9700\u56f4\u7ed5<strong>\u4e1a\u52a1\u76ee\u6807<\/strong>\u8bbe\u8ba1\u6307\u6807\uff0c\u800c\u975e\u7b80\u5355\u5806\u780c\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u7f13\u5b58\u76d1\u63a7\u7684\u56db\u5927\u6838\u5fc3\u7ef4\u5ea6\uff1a<\/p>\n<h4 id=\"1-\u6027\u80fd\u5065\u5eb7\u5ea6\"><strong>1. \u6027\u80fd\u5065\u5eb7\u5ea6<\/strong><\/h4>\n<ul>\n<li><strong>\u7f13\u5b58\u547d\u4e2d\u7387<\/strong>\uff08Hit Rate\uff09\uff1a<code>(\u7f13\u5b58\u547d\u4e2d\u6b21\u6570 \/ \u603b\u8bf7\u6c42\u6570) * 100%<\/code>\uff0c\u4f4e\u4e8e80%\u53ef\u80fd\u9884\u793a\u7f13\u5b58\u7b56\u7565\u5931\u6548\uff1b\n<\/li>\n<li><strong>\u8bfb\u5199\u5ef6\u8fdf<\/strong>\uff1aRedis\u7684P99\u5ef6\u8fdf\u8d85\u8fc710ms\u65f6\u9700\u8b66\u60d5\u7f51\u7edc\u6216\u6570\u636e\u7ed3\u6784\u95ee\u9898\uff1b\n<\/li>\n<li><strong>\u541e\u5410\u91cf\u6ce2\u52a8<\/strong>\uff1a\u7a81\u589e\u7684QPS\u53ef\u80fd\u53cd\u6620\u7f13\u5b58\u51fb\u7a7f\u6216\u4e1a\u52a1\u6d41\u91cf\u5f02\u5e38\u3002\n<\/li>\n<\/ul>\n<h4 id=\"2-\u8d44\u6e90\u6d88\u8017\"><strong>2. \u8d44\u6e90\u6d88\u8017<\/strong><\/h4>\n<ul>\n<li><strong>\u5185\u5b58\u4f7f\u7528\u7387<\/strong>\uff1aRedis\u5185\u5b58\u5360\u6bd4\u8d85\u8fc770%\u65f6\u9700\u8003\u8651\u6269\u5bb9\u6216\u6570\u636e\u6dd8\u6c70\u7b56\u7565\u4f18\u5316\uff1b\n<\/li>\n<li><strong>\u8fde\u63a5\u6570\u5cf0\u503c<\/strong>\uff1a\u7a81\u589e\u7684\u8fde\u63a5\u53ef\u80fd\u5bfc\u81f4\u7ebf\u7a0b\u6c60\u8017\u5c3d\uff0c\u5f15\u53d1\u670d\u52a1\u964d\u7ea7\u3002\n<\/li>\n<\/ul>\n<h4 id=\"3-\u6570\u636e\u53ef\u9760\u6027\"><strong>3. \u6570\u636e\u53ef\u9760\u6027<\/strong><\/h4>\n<ul>\n<li><strong>\u8fc7\u671f\u7b56\u7565\u6267\u884c\u7387<\/strong>\uff1a\u76d1\u63a7TTL\uff08Time-To-Live\uff09\u914d\u7f6e\u7684\u5b9e\u9645\u751f\u6548\u6bd4\u4f8b\uff1b\n<\/li>\n<li><strong>\u810f\u6570\u636e\u6bd4\u4f8b<\/strong>\uff1a\u901a\u8fc7\u5bf9\u6bd4\u7f13\u5b58\u4e0e\u6570\u636e\u5e93\u7684\u4e00\u81f4\u6027\u91c7\u6837\u53d1\u73b0\u5f02\u5e38\u3002\n<\/li>\n<\/ul>\n<h4 id=\"4-\u4f9d\u8d56\u62d3\u6251\"><strong>4. \u4f9d\u8d56\u62d3\u6251<\/strong><\/h4>\n<ul>\n<li><strong>\u670d\u52a1-\u7f13\u5b58\u6620\u5c04\u5173\u7cfb<\/strong>\uff1a\u7ed8\u5236\u670d\u52a1\u4e0e\u7f13\u5b58\u96c6\u7fa4\u7684\u8c03\u7528\u62d3\u6251\uff0c\u8bc6\u522b\u5355\u70b9\u6545\u969c\u98ce\u9669\uff1b\n<\/li>\n<li><strong>\u7f13\u5b58\u4f9d\u8d56\u94fe\u5206\u6790<\/strong>\uff1a\u4f8b\u5982A\u670d\u52a1\u7684\u7f13\u5b58\u5931\u6548\u662f\u5426\u4f1a\u5bfc\u81f4B\u670d\u52a1\u7684\u8fde\u9501\u53cd\u5e94\u3002\n<\/li>\n<\/ul>\n<hr>\n<h3 id=\"\u4e09-\u5b9e\u73b0\u7f13\u5b58\u76d1\u63a7\u7684\u6280\u672f\u8def\u5f84\"><strong>\u4e09\u3001\u5b9e\u73b0\u7f13\u5b58\u76d1\u63a7\u7684\u6280\u672f\u8def\u5f84<\/strong><\/h3>\n<h4 id=\"step-1-\u6570\u636e\u91c7\u96c6\u7b56\u7565\"><strong>Step 1\uff1a\u6570\u636e\u91c7\u96c6\u7b56\u7565<\/strong><\/h4>\n<ul>\n<li><strong>\u57cb\u70b9\u63a2\u9488<\/strong>\uff1a\u5728\u7f13\u5b58\u5ba2\u6237\u7aef\uff08\u5982Lettuce\u3001Redisson\uff09\u5d4c\u5165\u57cb\u70b9\uff0c\u5b9e\u65f6\u6355\u83b7\u64cd\u4f5c\u65e5\u5fd7\uff1b\n<\/li>\n<li><strong>\u4e2d\u95f4\u4ef6\u539f\u751f\u652f\u6301<\/strong>\uff1a\u5229\u7528Redis\u7684INFO\u547d\u4ee4\u3001Elasticsearch\u7684_stats API\u83b7\u53d6\u539f\u751f\u6307\u6807\uff1b\n<\/li>\n<li><strong>\u65e5\u5fd7\u6d41\u5206\u6790<\/strong>\uff1a\u901a\u8fc7Filebeat\u6536\u96c6Nginx\u6216\u5e94\u7528\u65e5\u5fd7\uff0c\u89e3\u6790\u7f13\u5b58\u76f8\u5173\u64cd\u4f5c\uff08\u5982<code>GET<\/code>\/<code>SET<\/code>\uff09\u3002\n<\/li>\n<\/ul>\n<p><strong><em>\u793a\u4f8b\u4ee3\u7801<\/em><\/strong>\uff1a\u4f7f\u7528<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">Prometheus<\/a>\u7684Redis Exporter\u66b4\u9732\u6307\u6807<\/p>\n<pre><code class=\"language-yaml\">scrape_configs:  \r\n- job_name: 'redis'  \r\nstatic_configs:  \r\n- targets: ['redis-host:9121']  \r\n<\/code><\/pre>\n<h4 id=\"step-2-\u6307\u6807\u805a\u5408\u4e0e\u53ef\u89c6\u5316\"><strong>Step 2\uff1a\u6307\u6807\u805a\u5408\u4e0e\u53ef\u89c6\u5316<\/strong><\/h4>\n<ul>\n<li><strong>\u65f6\u5e8f\u6570\u636e\u5e93\u9009\u578b<\/strong>\uff1a<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">Prometheus<\/a>\u9002\u5408\u9ad8\u9891\u6307\u6807\u91c7\u96c6\uff0cInfluxDB\u652f\u6301\u66f4\u590d\u6742\u7684\u805a\u5408\u8ba1\u7b97\uff1b\n<\/li>\n<li><strong>\u53ef\u89c6\u5316\u770b\u677f<\/strong>\uff1aGrafana\u4e2d\u53ef\u914d\u7f6e\u52a8\u6001\u4eea\u8868\u76d8\uff0c\u5b9e\u65f6\u5c55\u793a\u547d\u4e2d\u7387\u3001\u5185\u5b58\u8d8b\u52bf\u7b49\u5173\u952e\u6307\u6807\uff1b\n<\/li>\n<li><strong>\u5f02\u5e38\u57fa\u7ebf\u5efa\u6a21<\/strong>\uff1a\u901a\u8fc7\u673a\u5668\u5b66\u4e60\uff08\u5982Prophet\u7b97\u6cd5\uff09\u5efa\u7acb\u6307\u6807\u6b63\u5e38\u6ce2\u52a8\u8303\u56f4\uff0c\u81ea\u52a8\u8bc6\u522b\u504f\u79bb\u3002\n<\/li>\n<\/ul>\n<h4 id=\"step-3-\u544a\u8b66\u4e0e\u6839\u56e0\u5206\u6790\"><strong>Step 3\uff1a\u544a\u8b66\u4e0e<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">\u6839\u56e0\u5206\u6790<\/a><\/strong><\/h4>\n<ul>\n<li><strong>\u591a\u7ea7\u544a\u8b66\u7b56\u7565<\/strong>\uff1a\u547d\u4e2d\u7387\u4f4e\u4e8e\u9608\u503c\u65f6\u89e6\u53d1\u9884\u8b66\uff0c\u8fde\u63a5\u6570\u6301\u7eed\u8d85\u9650\u5219\u5347\u7ea7\u4e3a\u4e25\u91cd\u544a\u8b66\uff1b\n<\/li>\n<li><strong>\u5173\u8054\u5206\u6790\u5f15\u64ce<\/strong>\uff1a\u5c06\u7f13\u5b58\u5f02\u5e38\u4e0e\u4e0a\u4e0b\u6e38\u670d\u52a1\u65e5\u5fd7\u3001\u94fe\u8def\u8ffd\u8e2a\uff08\u5982Jaeger\uff09\u6570\u636e\u5173\u8054\uff0c\u5b9a\u4f4d\u6839\u56e0\u3002\n<\/li>\n<\/ul>\n<p><strong><em>\u5b9e\u8df5\u6848\u4f8b<\/em><\/strong>\uff1a\u67d0\u7535\u5546\u5e73\u53f0\u901a\u8fc7\u5206\u6790Redis\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u53d1\u73b0\u56e0<code>KEYS*<\/code>\u547d\u4ee4\u6ee5\u7528\u5bfc\u81f4\u7684\u6027\u80fd\u74f6\u9888\uff0c\u4f18\u5316\u4e3a<code>SCAN<\/code>\u8fed\u4ee3\u540e\uff0cP99\u5ef6\u8fdf\u4e0b\u964d60%\u3002<\/p>\n<hr>\n<h3 id=\"\u56db-\u5de5\u5177\u94fe\u6574\u5408\u4e0e\u6700\u4f73\u5b9e\u8df5\"><strong>\u56db\u3001\u5de5\u5177\u94fe\u6574\u5408\u4e0e\u6700\u4f73\u5b9e\u8df5<\/strong><\/h3>\n<h4 id=\"1-\u5f00\u6e90\u65b9\u6848\u7ec4\u5408\"><strong>1. \u5f00\u6e90\u65b9\u6848\u7ec4\u5408<\/strong><\/h4>\n<ul>\n<li><strong>\u91c7\u96c6\u5c42<\/strong>\uff1a<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">OpenTelemetry<\/a>\u5b9e\u73b0\u8de8\u8bed\u8a00\u57cb\u70b9\u6807\u51c6\u5316\uff1b\n<\/li>\n<li><strong>\u5b58\u50a8\u5c42<\/strong>\uff1aVictoriaMetrics\u66ff\u4ee3Prometheus\uff0c\u652f\u6301\u6d77\u91cf\u6570\u636e\u4f4e\u6210\u672c\u5b58\u50a8\uff1b\n<\/li>\n<li><strong>\u5206\u6790\u5c42<\/strong>\uff1aElasticsearch + Kibana\u5b9e\u73b0\u65e5\u5fd7\u4e0e\u6307\u6807\u7684\u5173\u8054\u67e5\u8be2\u3002\n<\/li>\n<\/ul>\n<h4 id=\"2-\u4e91\u539f\u751f\u76d1\u63a7\u4f53\u7cfb\"><strong>2. \u4e91\u539f\u751f\u76d1\u63a7\u4f53\u7cfb<\/strong><\/h4>\n<ul>\n<li><strong>Kubernetes\u73af\u5883<\/strong>\uff1a\u901a\u8fc7Sidecar\u5bb9\u5668\u90e8\u7f72\u7f13\u5b58Exporter\uff0c\u5b9e\u73b0Pod\u7ea7\u522b\u7684\u76d1\u63a7\u7c92\u5ea6\uff1b\n<\/li>\n<li><strong>Serverless\u573a\u666f<\/strong>\uff1a\u7ed3\u5408AWS CloudWatch\u6216Azure Monitor\uff0c\u6355\u83b7\u65e0\u670d\u52a1\u5668\u51fd\u6570\u7684\u7f13\u5b58\u8bbf\u95ee\u6a21\u5f0f\u3002\n<\/li>\n<\/ul>\n<h4 id=\"3-\u7f13\u5b58\u6cbb\u7406\u95ed\u73af\"><strong>3. \u7f13\u5b58\u6cbb\u7406\u95ed\u73af<\/strong><\/h4>\n<ul>\n<li><strong>\u5bb9\u91cf\u9884\u5224<\/strong>\uff1a\u57fa\u4e8e\u5386\u53f2\u6570\u636e\u9884\u6d4b\u672a\u67653\u4e2a\u6708\u7684\u7f13\u5b58\u589e\u957f\u8d8b\u52bf\uff0c\u63d0\u524d\u6269\u5bb9\uff1b\n<\/li>\n<li><strong>\u81ea\u52a8\u5316\u6cbb\u7406<\/strong>\uff1a\u5f53\u547d\u4e2d\u7387\u6301\u7eed\u8d70\u4f4e\u65f6\uff0c\u81ea\u52a8\u89e6\u53d1\u7f13\u5b58\u9884\u70ed\u6216\u7b56\u7565\u8c03\u6574\uff1b\n<\/li>\n<li><strong>\u5bb9\u707e\u6f14\u7ec3<\/strong>\uff1a\u5b9a\u671f\u6a21\u62dfRedis\u4e3b\u8282\u70b9\u6545\u969c\uff0c\u9a8c\u8bc1\u7f13\u5b58\u7a7f\u900f\u65f6\u7684\u964d\u7ea7\u65b9\u6848\u6709\u6548\u6027\u3002\n<\/li>\n<\/ul>\n<hr>\n<h3 id=\"\u4e94-\u672a\u6765\u8d8b\u52bf-\u4ece\u76d1\u63a7\u5230\u667a\u80fd\u4f18\u5316\"><strong>\u4e94\u3001\u672a\u6765\u8d8b\u52bf\uff1a\u4ece\u76d1\u63a7\u5230\u667a\u80fd\u4f18\u5316<\/strong><\/h3>\n<p>\u968f\u7740AIOps\u7684\u6210\u719f\uff0c\u7f13\u5b58\u76d1\u63a7\u6b63\u4ece\u201c\u4e8b\u540e\u5206\u6790\u201d\u8f6c\u5411\u201c\u4e3b\u52a8\u9884\u6d4b\u201d\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u52a8\u6001\u7f13\u5b58\u7b56\u7565<\/strong>\uff1a\u6839\u636e\u5b9e\u65f6\u6d41\u91cf\u81ea\u52a8\u8c03\u6574TTL\u6216\u6dd8\u6c70\u7b97\u6cd5\uff08\u5982LRU\u2192LFU\uff09\uff1b\n<\/li>\n<li><strong>\u8fb9\u7f18\u7f13\u5b58\u534f\u540c<\/strong>\uff1a\u5728CDN\u8282\u70b9\u4e0e\u5fae\u670d\u52a1\u4e4b\u95f4\u6784\u5efa\u667a\u80fd\u7f13\u5b58\u5206\u5c42\uff0c\u51cf\u5c11\u56de\u6e90\u8bf7\u6c42\uff1b\n<\/li>\n<li><strong>\u6210\u672c-\u6027\u80fd\u5e73\u8861<\/strong>\uff1a\u901a\u8fc7\u5f3a\u5316\u5b66\u4e60\u6a21\u578b\uff0c\u5728\u5185\u5b58\u6210\u672c\u4e0e\u547d\u4e2d\u7387\u4e4b\u95f4\u5bfb\u627e\u5e15\u7d2f\u6258\u6700\u4f18\u3002\n<\/li>\n<\/ul>\n<p>\u5728\u843d\u5730\u5b9e\u8df5\u4e2d\uff0c\u4f01\u4e1a\u9700\u907f\u514d\u201c\u91cd\u5de5\u5177\u3001\u8f7b\u7b56\u7565\u201d\u7684\u9677\u9631\u2014\u2014<strong>\u76d1\u63a7\u7684\u7ec8\u6781\u76ee\u6807\u4e0d\u662f\u6536\u96c6\u6570\u636e\uff0c\u800c\u662f\u9a71\u52a8\u4e1a\u52a1\u51b3\u7b56<\/strong>\u3002\u65e0\u8bba\u662f\u8c03\u6574\u7f13\u5b58\u5206\u7247\u89c4\u5219\uff0c\u8fd8\u662f\u91cd\u6784\u70ed\u70b9\u6570\u636e\u52a0\u8f7d\u903b\u8f91\uff0c\u90fd\u9700\u4ee5\u6307\u6807\u4e3a\u5bfc\u822a\uff0c\u5b9e\u73b0\u7cfb\u7edf\u6027\u80fd\u7684\u6301\u7eed\u8fdb\u5316\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u524d\u8a00\u3011 \u5728\u5206\u5e03\u5f0f\u67b6\u6784\u4e3b\u5bfc\u7684\u4e91\u539f\u751f\u65f6\u4ee3\uff0c\u5fae\u670d\u52a1\u5df2\u6210\u4e3a\u4f01\u4e1a\u6784\u5efa\u9ad8\u53ef\u7528\u7cfb\u7edf\u7684\u6838\u5fc3\u8303\u5f0f\u3002\u7136\u800c\uff0c\u968f\u7740\u670d\u52a1\u6570\u91cf\u7684\u6fc0\u589e\u548c\u8c03\u7528\u94fe\u7684\u590d\u6742\u5316\uff0c\u7f13\u5b58\u673a\u5236\u4f5c\u4e3a\u63d0\u5347\u6027\u80fd\u7684\u5229\u5668\uff0c\u5374\u53ef\u80fd\u56e0\u76d1\u63a7\u7f3a\u5931\u6210\u4e3a\u7cfb\u7edf\u7684\u201c\u6697\u7901\u201d\u3002\u4eceRedis\u5d29\u6e83\u5bfc\u81f4\u7684\u96ea\u5d29\u6548\u5e94\uff0c\u5230\u672c\u5730\u7f13\u5b58\u4e0d\u4e00\u81f4\u5f15\u53d1\u7684\u4e1a\u52a1\u903b\u8f91\u9519\u8bef\uff0c\u7f13\u5b58\u95ee\u9898\u6b63\u6084\u7136\u5a01\u80c1\u7740\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u3002\u5982\u4f55\u5b9e\u73b0\u5fae\u670d\u52a1\u7f13\u5b58\u7684\u9ad8\u6548\u76d1\u63a7\uff0c\u4e0d\u4ec5\u5173\u4e4e\u6027\u80fd\u4f18\u5316\uff0c\u66f4\u6210\u4e3a\u4fdd\u969c\u4e1a\u52a1\u8fde\u7eed\u6027\u7684\u5173\u952e\u547d\u9898\u3002\u672c\u6587\u5c06\u6df1\u5165\u5256\u6790\u7f13\u5b58\u76d1\u63a7\u7684\u6838\u5fc3\u903b\u8f91\u4e0e\u843d\u5730\u5b9e\u8df5\uff0c\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u53ef\u590d\u7528\u7684\u89e3\u51b3\u65b9\u6848\u3002 \u4e00\u3001\u5fae\u670d\u52a1\u7f13\u5b58\u7684\u4ef7\u503c\u4e0e\u76d1\u63a7\u6311\u6218 \u5728\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u7f13\u5b58\u901a\u8fc7\u51cf\u5c11\u6570\u636e\u5e93\u8d1f\u8f7d\u3001\u52a0\u901f\u6570\u636e\u8bbf\u95ee\uff0c\u663e\u8457\u63d0\u5347\u4e86\u7cfb\u7edf\u7684\u541e\u5410\u91cf\u548c\u54cd\u5e94\u901f\u5ea6\u3002\u5206\u5e03\u5f0f\u7f13\u5b58\uff08\u5982Redis\u3001Memcached\uff09\u548c\u672c\u5730\u7f13\u5b58\uff08\u5982Caffeine\u3001Ehcache\uff09\u7684\u7ec4\u5408\u4f7f\u7528\uff0c\u5df2\u6210\u4e3a\u5e94\u5bf9\u9ad8\u5e76\u53d1\u573a\u666f\u7684\u6807\u51c6\u914d\u7f6e\u3002\u7136\u800c\uff0c\u7f13\u5b58\u7684\u5f15\u5165\u4e5f\u5e26\u6765\u4e86\u65b0\u7684\u590d\u6742\u6027\uff1a \u6570\u636e\u4e00\u81f4\u6027\u98ce\u9669\uff1a\u591a\u7ea7\u7f13\u5b58\u4e4b\u95f4\u7684\u540c\u6b65\u5ef6\u8fdf\u53ef\u80fd\u5bfc\u81f4\u4e1a\u52a1\u903b\u8f91\u9519\u8bef\uff1b \u8d44\u6e90\u7ba1\u7406\u96be\u9898\uff1a\u7f13\u5b58\u5360\u7528\u5185\u5b58\u7684\u6ce2\u52a8\u53ef\u80fd\u5f15\u53d1\u670d\u52a1\u8282\u70b9OOM\uff08\u5185\u5b58\u6ea2\u51fa\uff09\uff1b \u5931\u6548\u7b56\u7565\u5931\u6548\uff1a\u70ed\u70b9\u6570\u636e\u7a81\u7136\u5931\u6548\u53ef\u80fd\u89e6\u53d1\u6570\u636e\u5e93\u67e5\u8be2\u98ce\u66b4\uff1b \u5206\u5e03\u5f0f\u73af\u5883\u534f\u540c\uff1a\u8de8\u670d\u52a1\u7684\u7f13\u5b58\u4f9d\u8d56\u5173\u7cfb\u96be\u4ee5\u8ffd\u8e2a\u3002 \u8fd9\u4e9b\u95ee\u9898\u7684\u6839\u6e90\u5728\u4e8e\uff0c\u4f20\u7edf\u76d1\u63a7\u5de5\u5177\u5f80\u5f80\u4ec5\u5173\u6ce8CPU\u3001\u5185\u5b58\u7b49\u57fa\u7840\u6307\u6807\uff0c\u800c\u7f3a\u4e4f\u5bf9\u7f13\u5b58\u751f\u547d\u5468\u671f\u3001\u547d\u4e2d\u7387\u3001\u5931\u6548\u6a21\u5f0f\u7b49\u6838\u5fc3\u7ef4\u5ea6\u7684\u6df1\u5ea6\u6d1e\u5bdf\u3002\u6784\u5efa\u4e13\u5c5e\u7684\u7f13\u5b58\u76d1\u63a7\u4f53\u7cfb\uff0c\u6210\u4e3a\u5fae\u670d\u52a1\u6cbb\u7406\u4e2d\u4e0d\u53ef\u5ffd\u89c6\u7684\u4e00\u73af\u3002 \u4e8c\u3001\u7f13\u5b58\u76d1\u63a7\u7684\u6838\u5fc3\u6307\u6807\u4f53\u7cfb \u6709\u6548\u7684\u76d1\u63a7\u9700\u56f4\u7ed5\u4e1a\u52a1\u76ee\u6807\u8bbe\u8ba1\u6307\u6807\uff0c\u800c\u975e\u7b80\u5355\u5806\u780c\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u7f13\u5b58\u76d1\u63a7\u7684\u56db\u5927\u6838\u5fc3\u7ef4\u5ea6\uff1a 1. \u6027\u80fd\u5065\u5eb7\u5ea6 \u7f13\u5b58\u547d\u4e2d\u7387\uff08Hit Rate\uff09\uff1a(\u7f13\u5b58\u547d\u4e2d\u6b21\u6570 \/ \u603b\u8bf7\u6c42\u6570) * 100%\uff0c\u4f4e\u4e8e80%\u53ef\u80fd\u9884\u793a\u7f13\u5b58\u7b56\u7565\u5931\u6548\uff1b \u8bfb\u5199\u5ef6\u8fdf\uff1aRedis\u7684P99\u5ef6\u8fdf\u8d85\u8fc710ms\u65f6\u9700\u8b66\u60d5\u7f51\u7edc\u6216\u6570\u636e\u7ed3\u6784\u95ee\u9898\uff1b \u541e\u5410\u91cf\u6ce2\u52a8\uff1a\u7a81\u589e\u7684QPS\u53ef\u80fd\u53cd\u6620\u7f13\u5b58\u51fb\u7a7f\u6216\u4e1a\u52a1\u6d41\u91cf\u5f02\u5e38\u3002 2. \u8d44\u6e90\u6d88\u8017 \u5185\u5b58\u4f7f\u7528\u7387\uff1aRedis\u5185\u5b58\u5360\u6bd4\u8d85\u8fc770%\u65f6\u9700\u8003\u8651\u6269\u5bb9\u6216\u6570\u636e\u6dd8\u6c70\u7b56\u7565\u4f18\u5316\uff1b \u8fde\u63a5\u6570\u5cf0\u503c\uff1a\u7a81\u589e\u7684\u8fde\u63a5\u53ef\u80fd\u5bfc\u81f4\u7ebf\u7a0b\u6c60\u8017\u5c3d\uff0c\u5f15\u53d1\u670d\u52a1\u964d\u7ea7\u3002 3. \u6570\u636e\u53ef\u9760\u6027 \u8fc7\u671f\u7b56\u7565\u6267\u884c\u7387\uff1a\u76d1\u63a7TTL\uff08Time-To-Live\uff09\u914d\u7f6e\u7684\u5b9e\u9645\u751f\u6548\u6bd4\u4f8b\uff1b 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