{"id":25867,"date":"2025-10-14T14:36:33","date_gmt":"2025-10-14T06:36:33","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/7-solutions-for-high-cpu-usage-on-los-angeles-servers\/"},"modified":"2025-10-14T14:44:47","modified_gmt":"2025-10-14T06:44:47","slug":"7-solutions-for-high-cpu-usage-on-los-angeles-servers","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/7-solutions-for-high-cpu-usage-on-los-angeles-servers\/","title":{"rendered":"\u6d1b\u6749\u77f6\u670d\u52a1\u5668CPU\u4f7f\u7528\u7387\u8fc7\u9ad8\u76847\u4e2a\u89e3\u51b3\u65b9\u6848"},"content":{"rendered":"<p>\u57282025\u5e74\uff0c\u6709\u6548\u7ba1\u7406<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/us\/cn2\/\" target=\"_blank\">\u6d1b\u6749\u77f6\u670d\u52a1\u5668<\/a>\u7684<a href=\"https:\/\/www.varidata.com\/zh-cn\/knowledge\/does-cpu-performance-impact-japan-gpu-server-performance\/\" target=\"_blank\">CPU\u4f7f\u7528\u7387<\/a>\u4ecd\u7136\u662f\u7cfb\u7edf\u7ba1\u7406\u5458\u548cDevOps\u5de5\u7a0b\u5e08\u9762\u4e34\u7684\u5173\u952e\u6311\u6218\u3002\u968f\u7740AI\u5de5\u4f5c\u8d1f\u8f7d\u3001\u5bb9\u5668\u5316\u5e94\u7528\u7a0b\u5e8f\u548c\u5b9e\u65f6\u5904\u7406\u9700\u6c42\u7684\u589e\u52a0\uff0c\u7ef4\u6301\u6700\u4f73CPU\u6027\u80fd\u53d8\u5f97\u6bd4\u4ee5\u5f80\u66f4\u52a0\u590d\u6742\u3002\u5f53\u670d\u52a1\u5668\u7684CPU\u4f7f\u7528\u7387\u63a5\u8fd1\u6781\u9650\u65f6\uff0c\u53ef\u80fd\u4f1a\u4e25\u91cd\u5f71\u54cd\u6027\u80fd\uff0c\u5bfc\u81f4\u670d\u52a1\u4e2d\u65ad\u548c\u5ba2\u6237\u4e0d\u6ee1\u3002\u672c\u7efc\u5408\u6307\u5357\u63a2\u8ba8\u4e86\u7ba1\u7406\u6d1b\u6749\u77f6\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1CPU\u4f7f\u7528\u7387\u7684\u5b9e\u7528\u89e3\u51b3\u65b9\u6848\uff0c\u7ed3\u5408\u4e86\u6700\u65b0\u7684\u6700\u4f73\u5b9e\u8df5\u548c\u65b0\u5174\u6280\u672f\u3002<\/p>\n<h2><strong>\u4e86\u89e3CPU\u4f7f\u7528\u7387\u9608\u503c<\/strong><\/h2>\n<p>\u5728\u6df1\u5165\u89e3\u51b3\u65b9\u6848\u4e4b\u524d\uff0c\u4e86\u89e3\u4ec0\u4e48\u6784\u6210&#8221;\u9ad8&#8221;CPU\u4f7f\u7528\u7387\u81f3\u5173\u91cd\u8981\u3002\u867d\u7136\u5728\u5cf0\u503c\u8fd0\u8425\u671f\u95f4\u77ed\u6682\u8fbe\u5230100%\u53ef\u80fd\u662f\u6b63\u5e38\u7684\uff0c\u4f46\u6301\u7eed\u8d85\u8fc780%\u7684\u9ad8CPU\u4f7f\u7528\u7387\u901a\u5e38\u8868\u660e\u5b58\u5728\u6f5c\u5728\u95ee\u9898\u3002\u73b0\u4ee3\u670d\u52a1\u5668\u67b6\u6784\u548c\u5de5\u4f5c\u8d1f\u8f7d\u6a21\u5f0f\u91cd\u65b0\u5b9a\u4e49\u4e86\u8fd9\u4e9b\u9608\u503c\uff1a<\/p>\n<ul>\n<li>70-80%\uff1a\u8b66\u544a\u533a\u57df &#8211; \u9700\u8981\u76d1\u63a7\u5e76\u4e3b\u52a8\u8c03\u67e5\u6f5c\u5728\u74f6\u9888<\/li>\n<li>80-90%\uff1a\u4e34\u754c\u533a\u57df &#8211; \u9700\u8981\u7acb\u5373\u8c03\u67e5\uff0c\u53ef\u80fd\u5f71\u54cd\u670d\u52a1\u8d28\u91cf<\/li>\n<li>90%+\uff1a\u5371\u9669\u533a\u57df &#8211; \u9700\u8981\u7acb\u5373\u91c7\u53d6\u884c\u52a8\u4ee5\u9632\u6b62\u7cfb\u7edf\u4e0d\u7a33\u5b9a\u548c\u670d\u52a1\u4e2d\u65ad<\/li>\n<\/ul>\n<h2><strong>\u7d27\u6025\u54cd\u5e94\u534f\u8bae<\/strong><\/h2>\n<p>\u5728\u9762\u5bf9\u5373\u65f6CPU\u4f7f\u7528\u7387\u95ee\u9898\u65f6\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u9488\u5bf9\u6700\u65b0\u670d\u52a1\u5668\u73af\u5883\u548c\u67b6\u6784\u8bbe\u8ba1\u7684\u5173\u952e\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u4f7f\u7528&#8217;top&#8217;\u547d\u4ee4\u8bc6\u522b\u8d44\u6e90\u5bc6\u96c6\u578b\u8fdb\u7a0b\u53ca\u5176\u5bf9\u7cfb\u7edf\u8d44\u6e90\u7684\u5f71\u54cd<\/li>\n<li>\u4f7f\u7528\u9ad8\u7ea7\u65e5\u5fd7\u805a\u5408\u5de5\u5177\u5206\u6790\u7cfb\u7edf\u65e5\u5fd7\u4e2d\u7684\u5f02\u5e38\u6a21\u5f0f\u548c\u76f8\u5173\u6027<\/li>\n<li>\u4f7f\u7528\u65b0\u4e00\u4ee3\u5a01\u80c1\u68c0\u6d4b\u7cfb\u7edf\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\uff0c\u9632\u8303\u6f5c\u5728\u7684DDoS\u653b\u51fb<\/li>\n<li>\u68c0\u67e5\u5931\u63a7\u8fdb\u7a0b\uff0c\u5fc5\u8981\u65f6\u6309\u7167\u65e2\u5b9a\u7684\u4e8b\u4ef6\u54cd\u5e94\u7a0b\u5e8f\u7ec8\u6b62\u8fdb\u7a0b<\/li>\n<\/ol>\n<div class=\"code-block\">\n<pre>\r\n# \u5177\u6709\u589e\u5f3a\u76d1\u63a7\u529f\u80fd\u7684\u7d27\u6025\u54cd\u5e94\u5feb\u901f\u547d\u4ee4\r\n\r\ntop -c -b -n 1\r\n\r\nhtop --sort-key PERCENT_CPU\r\n\r\nps aux | sort -nrk 3,3 | head -n 5\r\n\r\npidstat -u -p ALL 1 5\r\n<\/pre>\n<\/div>\n<h2><strong>\u7cfb\u7edf\u7ea7\u4f18\u5316\u6280\u672f<\/strong><\/h2>\n<p>\u5b9e\u65bd\u7cfb\u7edf\u7ea7\u4f18\u5316\u53ef\u4ee5\u663e\u8457\u964d\u4f4eCPU\u8d1f\u8f7d\u3002\u4ee5\u4e0b\u662f\u8c03\u4f18\u6d1b\u6749\u77f6\u670d\u52a1\u5668\u7684\u7cfb\u7edf\u65b9\u6cd5\uff1a<\/p>\n<h3>\u5185\u6838\u53c2\u6570\u4f18\u5316<\/h3>\n<p>\u7f16\u8f91sysctl.conf\u6587\u4ef6\u4ee5\u4f18\u5316\u73b0\u4ee3\u9ad8\u6027\u80fd\u8ba1\u7b97\u73af\u5883\u7684\u5185\u6838\u53c2\u6570\uff1a<\/p>\n<div class=\"code-block\">\n<pre>\r\n# \/etc\/sysctl.conf 2025\u5e74\u670d\u52a1\u5668\u914d\u7f6e\u4f18\u5316\r\n\r\nnet.core.somaxconn = 4096\r\n\r\nnet.ipv4.tcp_max_syn_backlog = 4096\r\n\r\nnet.core.netdev_max_backlog = 4096\r\n\r\nkernel.sched_migration_cost_ns = 5000000\r\n\r\nkernel.sched_autogroup_enabled = 0\r\n<\/pre>\n<\/div>\n<h3>\u8fdb\u7a0b\u7ba1\u7406<\/h3>\n<ul>\n<li>\u9002\u5f53\u914d\u7f6e\u8fdb\u7a0b\u4f18\u5148\u7ea7\u4ee5\u5b9e\u73b0\u5de5\u4f5c\u8d1f\u8f7d\u4f18\u5148\u7ea7\u5212\u5206<\/li>\n<li>\u5b9e\u65bdCPU\u4eb2\u548c\u6027\u8bbe\u7f6e\u4ee5\u5b9e\u73b0\u6700\u4f73\u6838\u5fc3\u5229\u7528\u7387<\/li>\n<li>\u6839\u636e\u53ef\u7528\u8d44\u6e90\u4f18\u5316Web\u670d\u52a1\u5668\u7684\u5de5\u4f5c\u8fdb\u7a0b<\/li>\n<li>\u5b9e\u65bdcgroup\u7ea6\u675f\u4ee5\u8fdb\u884c\u8d44\u6e90\u63a7\u5236<\/li>\n<li>\u4e3a\u5173\u952e\u670d\u52a1\u914d\u7f6e\u8fdb\u7a0b\u8c03\u5ea6\u7b56\u7565<\/li>\n<\/ul>\n<h2><strong>\u5e94\u7528\u5c42\u89e3\u51b3\u65b9\u6848<\/strong><\/h2>\n<p>\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u590d\u6742\u7684\u8c03\u4f18\u6765\u6700\u5c0f\u5316CPU\u6d88\u8017\u540c\u65f6\u4fdd\u6301\u9ad8\u6027\u80fd\u3002\u8003\u8651\u4ee5\u4e0b\u9ad8\u7ea7\u4f18\u5316\u7b56\u7565\uff1a<\/p>\n<ol>\n<li>\u4ee3\u7801\u4f18\u5316\uff1a\n<ul>\n<li>\u4f7f\u7528Redis\u6216Memcached\u5b9e\u73b0\u5206\u5e03\u5f0f\u7f13\u5b58\u673a\u5236<\/li>\n<li>\u901a\u8fc7\u9002\u5f53\u7684\u7d22\u5f15\u548c\u67e5\u8be2\u8ba1\u5212\u4f18\u5316\u6570\u636e\u5e93\u67e5\u8be2<\/li>\n<li>\u901a\u8fc7\u7b97\u6cd5\u4f18\u5316\u964d\u4f4e\u8ba1\u7b97\u590d\u6742\u5ea6<\/li>\n<li>\u4e3aCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u5b9e\u65bd\u5f02\u6b65\u5904\u7406<\/li>\n<li>\u5229\u7528\u5fae\u670d\u52a1\u67b6\u6784\u5b9e\u73b0\u66f4\u597d\u7684\u8d44\u6e90\u5206\u914d<\/li>\n<\/ul>\n<\/li>\n<li>\u8d44\u6e90\u6c60\u5316\uff1a\n<ul>\n<li>\u914d\u7f6e\u5177\u6709\u6700\u4f73\u6c60\u5927\u5c0f\u7684\u8fde\u63a5\u6c60<\/li>\n<li>\u4f7f\u7528\u5de5\u4f5c\u7a83\u53d6\u7b97\u6cd5\u5b9e\u73b0\u7ebf\u7a0b\u6c60<\/li>\n<li>\u4f18\u5316\u5185\u5b58\u5206\u914d\u6a21\u5f0f<\/li>\n<li>\u5bf9\u6570\u636e\u5e93\u8fde\u63a5\u5b9e\u65bd\u8fde\u63a5\u590d\u7528<\/li>\n<li>\u5b9e\u65bd\u9ad8\u6548\u7684\u961f\u5217\u7ba1\u7406\u7cfb\u7edf<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<div class=\"technical-note\">\n<p>2025\u5e74nginx\u6700\u4f73\u6027\u80fd\u914d\u7f6e\uff1a<\/p>\n<pre>\r\nworker_processes auto;\r\n\r\nworker_rlimit_nofile 65535;\r\n\r\nevents {\r\n    worker_connections 4096;\r\n    use epoll;\r\n    multi_accept on;\r\n}\r\n\r\nhttp {\r\n    keepalive_timeout 65;\r\n    keepalive_requests 100;\r\n    tcp_nopush on;\r\n    tcp_nodelay on;\r\n    aio threads;\r\n    directio 512;\r\n}\r\n<\/pre>\n<\/div>\n<h2><strong>\u6570\u636e\u5e93\u6027\u80fd\u8c03\u4f18<\/strong><\/h2>\n<p>\u6570\u636e\u5e93\u64cd\u4f5c\u901a\u5e38\u662fCPU\u4f7f\u7528\u7387\u7684\u4e3b\u8981\u8d21\u732e\u8005\u3002\u5b9e\u65bd\u8fd9\u4e9b\u73b0\u4ee3\u4f18\u5316\u6280\u672f\uff1a<\/p>\n<ul>\n<li>\u9488\u5bf9\u9891\u7e41\u8bbf\u95ee\u7684\u6570\u636e\u6a21\u5f0f\u7684\u9ad8\u7ea7\u7d22\u5f15\u4f18\u5316\u7b56\u7565<\/li>\n<li>\u4f7f\u7528\u6700\u65b0\u76d1\u63a7\u5de5\u5177\u8fdb\u884c\u67e5\u8be2\u6267\u884c\u8ba1\u5212\u5206\u6790<\/li>\n<li>\u6839\u636e\u5de5\u4f5c\u8d1f\u8f7d\u914d\u7f6e\u6700\u4f73\u8fde\u63a5\u6c60\u8bbe\u7f6e<\/li>\n<li>\u5728\u975e\u9ad8\u5cf0\u65f6\u6bb5\u5b89\u6392\u5b9a\u671fVACUUM\u548c\u7ef4\u62a4\u64cd\u4f5c<\/li>\n<li>\u4e3a\u590d\u6742\u67e5\u8be2\u5b9e\u65bd\u7269\u5316\u89c6\u56fe<\/li>\n<li>\u5927\u578b\u8868\u7684\u5206\u533a\u7b56\u7565<\/li>\n<li>\u5177\u6709\u667a\u80fd\u5931\u6548\u673a\u5236\u7684\u67e5\u8be2\u7f13\u5b58\u673a\u5236<\/li>\n<\/ul>\n<h2><strong>\u786c\u4ef6\u6269\u5c55\u7b56\u7565<\/strong><\/h2>\n<p>\u5f53\u8f6f\u4ef6\u4f18\u5316\u8fbe\u5230\u6781\u9650\u65f6\uff0c\u8003\u8651\u4ee5\u4e0b\u9002\u7528\u4e8e\u6d1b\u6749\u77f6\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u7684\u73b0\u4ee3\u786c\u4ef6\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<ul>\n<li>\u5782\u76f4\u6269\u5c55\uff1a\n<ul>\n<li>\u5347\u7ea7\u5230\u6700\u65b0\u4e00\u4ee3Intel Xeon Scalable\u6216AMD EPYC\u5904\u7406\u5668<\/li>\n<li>\u5b9e\u65bd\u9ad8\u7ea7CPU\u7f13\u5b58\u4f18\u5316\u6280\u672f<\/li>\n<li>\u4f7f\u7528DDR5\u5185\u5b58\u6a21\u5757\u589e\u5f3aRAM\u914d\u7f6e\u4ee5\u51cf\u5c11CPU\u5f00\u9500<\/li>\n<li>\u4f7f\u7528NVMe\u5b58\u50a8\u51cf\u5c11I\/O\u7b49\u5f85\u65f6\u95f4<\/li>\n<li>\u4e3a\u7279\u5b9a\u5de5\u4f5c\u8d1f\u8f7d\u5b9e\u65bd\u786c\u4ef6\u52a0\u901f<\/li>\n<\/ul>\n<\/li>\n<li>\u6c34\u5e73\u6269\u5c55\uff1a\n<ul>\n<li>\u90e8\u7f72\u5177\u6709\u9ad8\u7ea7\u5065\u5eb7\u68c0\u67e5\u529f\u80fd\u7684\u667a\u80fd\u8d1f\u8f7d\u5747\u8861\u5668<\/li>\n<li>\u4f7f\u7528\u6700\u65b0Kubernetes\u529f\u80fd\u5b9e\u65bd\u5bb9\u5668\u7f16\u6392<\/li>\n<li>\u57fa\u4e8e\u673a\u5668\u5b66\u4e60\u9884\u6d4b\u914d\u7f6e\u81ea\u52a8\u6269\u5c55\u7b56\u7565<\/li>\n<li>\u5229\u7528\u8fb9\u7f18\u8ba1\u7b97\u8d44\u6e90\u8fdb\u884c\u5206\u5e03\u5f0f\u5904\u7406<\/li>\n<li>\u5b9e\u65bd\u670d\u52a1\u7f51\u683c\u67b6\u6784\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u8d44\u6e90\u5229\u7528\u7387<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><strong>\u76d1\u63a7\u548c\u9884\u9632<\/strong><\/h2>\n<p>\u4f7f\u7528\u73b0\u4ee3\u53ef\u89c2\u5bdf\u6027\u5e73\u53f0\u5b9e\u65bd\u5168\u9762\u7684\u76d1\u63a7\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<div class=\"code-block\">\n<pre>\r\n# \u9ad8\u7ea7Prometheus\u76d1\u63a7\u914d\u7f6e\r\n\r\nglobal:\r\n    scrape_interval: 15s\r\n    evaluation_interval: 15s\r\n    external_labels:\r\n        monitor: 'la-server-monitor'\r\n\r\nrule_files:\r\n    - \"cpu_alert_rules.yml\"\r\n    - \"node_rules.yml\"\r\n\r\nscrape_configs:\r\n    - job_name: 'node_exporter'\r\n      static_configs:\r\n        - targets: ['localhost:9100']\r\n      relabel_configs:\r\n        - source_labels: [address]\r\n          target_label: instance\r\n          regex: '(.*):(.*)'\r\n          replacement: '$1'\r\n<\/pre>\n<\/div>\n<p>\u73b0\u4ee3\u670d\u52a1\u5668\u73af\u5883\u7684\u57fa\u672c\u76d1\u63a7\u6307\u6807\uff1a<\/p>\n<ol>\n<li>\u6bcf\u4e2a\u6838\u5fc3\u7684CPU\u5229\u7528\u7387\u53ca\u6e29\u5ea6\u6307\u6807<\/li>\n<li>\u8fdb\u7a0b\u7279\u5b9a\u7684CPU\u4f7f\u7528\u6a21\u5f0f\u548c\u8d8b\u52bf<\/li>\n<li>\u5177\u6709\u9884\u6d4b\u5206\u6790\u529f\u80fd\u7684\u7cfb\u7edf\u8d1f\u8f7d\u5e73\u5747\u503c<\/li>\n<li>\u4e0a\u4e0b\u6587\u5207\u6362\u7387\u53ca\u5176\u5f71\u54cd<\/li>\n<li>\u4e2d\u65ad\u5904\u7406\u7edf\u8ba1\u548c\u5ef6\u8fdf\u6d4b\u91cf<\/li>\n<li>\u5185\u5b58\u538b\u529b\u6307\u6807<\/li>\n<li>I\/O\u7b49\u5f85\u65f6\u95f4\u548c\u74f6\u9888\u5206\u6790<\/li>\n<\/ol>\n<h2><strong>\u9ad8\u7ea7\u6545\u969c\u6392\u9664\u6280\u672f<\/strong><\/h2>\n<p>\u5bf9\u4e8e\u6301\u7eed\u5b58\u5728\u7684CPU\u95ee\u9898\uff0c\u91c7\u7528\u8fd9\u4e9b\u5c16\u7aef\u8bca\u65ad\u5de5\u5177\uff1a<\/p>\n<ul>\n<li>perf stat\uff1a\u5177\u6709\u6269\u5c55\u6307\u6807\u7684\u786c\u4ef6\u6027\u80fd\u8ba1\u6570\u5668<\/li>\n<li>strace\uff1a\u5177\u6709\u8be6\u7ec6\u65f6\u95f4\u4fe1\u606f\u7684\u7cfb\u7edf\u8c03\u7528\u5206\u6790<\/li>\n<li>flamegraphs\uff1a\u5177\u6709\u5806\u6808\u8ddf\u8e2a\u5206\u6790\u7684CPU\u4f7f\u7528\u53ef\u89c6\u5316<\/li>\n<li>eBPF\u5de5\u5177\uff1a\u5177\u6709\u6700\u5c0f\u5f00\u9500\u7684\u5185\u6838\u7ea7\u8bca\u65ad<\/li>\n<li>\u7528\u4e8e\u751f\u4ea7\u73af\u5883\u7684\u6301\u7eed\u5206\u6790\u5de5\u5177<\/li>\n<li>\u7528\u4e8e\u5fae\u670d\u52a1\u67b6\u6784\u7684\u5206\u5e03\u5f0f\u8ffd\u8e2a\u7cfb\u7edf<\/li>\n<\/ul>\n<div class=\"technical-tip\">\n<p>\u4f7f\u7528\u5806\u6808\u8ddf\u8e2a\u5206\u6790\u751f\u6210CPU\u706b\u7130\u56fe\u7684\u9ad8\u7ea7\u547d\u4ee4\uff1a<\/p>\n<pre>\r\nperf record -F 99 -a -g --call-graph dwarf -- sleep 60\r\nperf script | stackcollapse-perf.pl | flamegraph.pl --colors js > cpu_profile.svg\r\n<\/pre>\n<\/div>\n<h2><strong>\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/strong><\/h2>\n<div class=\"faq-section\">\n<h3>\u95ee\uff1a\u662f\u4ec0\u4e48\u5bfc\u81f4\u6d1b\u6749\u77f6\u670d\u52a1\u5668\u51fa\u73b0\u7a81\u7136\u7684CPU\u5cf0\u503c\uff1f<\/h3>\n<p>\u73b0\u4ee3\u73af\u5883\u4e2d\u7684\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u590d\u6742\u7684DDoS\u653b\u51fb\u6216\u5f02\u5e38\u6d41\u91cf\u6a21\u5f0f<\/li>\n<li>\u4f18\u5316\u4e0d\u5f53\u7684\u8ba1\u5212\u4efb\u52a1\u548c\u5b9a\u65f6\u4efb\u52a1<\/li>\n<li>\u6545\u969c\u7684\u5fae\u670d\u52a1\u6216\u5bb9\u5668<\/li>\n<li>\u9ad8\u5cf0\u671f\u95f4\u7684\u8d44\u6e90\u5bc6\u96c6\u578b\u5907\u4efd\u64cd\u4f5c<\/li>\n<li>\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bad\u7ec3\u6216\u63a8\u7406\u64cd\u4f5c<\/li>\n<li>\u672a\u4f18\u5316\u7684\u5bb9\u5668\u7f16\u6392<\/li>\n<\/ul>\n<h3>\u95ee\uff1a\u6211\u5e94\u8be5\u591a\u4e45\u76d1\u63a7\u4e00\u6b21CPU\u4f7f\u7528\u7387\uff1f<\/h3>\n<p>\u4f7f\u7528\u8fd9\u4e9b\u73b0\u4ee3\u76d1\u63a7\u95f4\u9694\u5b9e\u65bd\u5b9e\u65f6\u76d1\u63a7\uff1a<\/p>\n<ul>\n<li>\u6b63\u5e38\u8fd0\u8425\u671f\u95f4\u8fdb\u884c5\u5206\u949f\u95f4\u9694\u68c0\u67e5\uff0c\u5e76\u8fdb\u884c\u57fa\u7ebf\u5206\u6790<\/li>\n<li>\u9ad8\u5cf0\u671f\u95f4\u8fdb\u884c1\u5206\u949f\u95f4\u9694\u68c0\u67e5\uff0c\u5e76\u5177\u6709\u9884\u6d4b\u6027\u8b66\u62a5<\/li>\n<li>\u5728\u6392\u67e5\u7279\u5b9a\u95ee\u9898\u65f6\u8fdb\u884c30\u79d2\u95f4\u9694\u68c0\u67e5<\/li>\n<li>\u5bf9\u5173\u952e\u7cfb\u7edf\u8fdb\u884c\u5177\u6709AI\u9a71\u52a8\u5206\u6790\u7684\u6301\u7eed\u76d1\u63a7<\/li>\n<\/ul>\n<\/div>\n<h2><strong>\u6700\u4f73\u5b9e\u8df5\u548c\u672a\u6765\u8003\u8651<\/strong><\/h2>\n<p>\u901a\u8fc7\u8fd9\u4e9b\u524d\u77bb\u6027\u7b56\u7565\u7ef4\u6301\u6700\u4f73\u670d\u52a1\u5668\u6027\u80fd\uff1a<\/p>\n<ol>\n<li>\u5b9a\u671f\u6027\u80fd\u5ba1\u8ba1\uff1a\n<ul>\n<li>\u4f7f\u7528\u8d8b\u52bf\u9884\u6d4b\u8fdb\u884c\u6708\u5ea6\u8d44\u6e90\u4f7f\u7528\u5206\u6790<\/li>\n<li>\u4f7f\u7528AI\u9a71\u52a8\u7684\u89c1\u89e3\u8fdb\u884c\u5b63\u5ea6\u6027\u80fd\u4f18\u5316\u5ba1\u67e5<\/li>\n<li>\u534a\u5e74\u5ea6\u786c\u4ef6\u8bc4\u4f30\u548c\u5347\u7ea7\u89c4\u5212<\/li>\n<li>\u6301\u7eed\u6574\u5408\u65b0\u5174\u4f18\u5316\u6280\u672f<\/li>\n<\/ul>\n<\/li>\n<li>\u5bb9\u91cf\u89c4\u5212\uff1a\n<ul>\n<li>\u4f7f\u7528\u673a\u5668\u5b66\u4e60\u6a21\u578b\u9884\u6d4b\u589e\u957f\u6a21\u5f0f<\/li>\n<li>\u57fa\u4e8e\u6027\u80fd\u6307\u6807\u89c4\u5212\u786c\u4ef6\u5347\u7ea7<\/li>\n<li>\u901a\u8fc7ROI\u5206\u6790\u4e3a\u57fa\u7840\u8bbe\u65bd\u6539\u8fdb\u505a\u9884\u7b97<\/li>\n<li>\u8bc4\u4f30\u65b0\u5174\u6280\u672f\u7684\u6f5c\u5728\u91c7\u7528\u4ef7\u503c<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><strong>\u7ed3\u8bba<\/strong><\/h2>\n<p>\u5728\u6d1b\u6749\u77f6\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u73af\u5883\u4e2d\u6709\u6548\u7ba1\u7406CPU\u4f7f\u7528\u7387\u9700\u8981\u4e00\u4e2a\u590d\u6742\u7684\u591a\u65b9\u9762\u65b9\u6cd5\uff0c\u7ed3\u5408\u5373\u65f6\u54cd\u5e94\u534f\u8bae\u3001\u7cfb\u7edf\u4f18\u5316\u548c\u957f\u671f\u89c4\u5212\u3002\u5728\u5f53\u4eca\u5feb\u901f\u53d1\u5c55\u7684\u6280\u672f\u73af\u5883\u4e2d\uff0c\u8981\u5728CPU\u7ba1\u7406\u6311\u6218\u65b9\u9762\u4fdd\u6301\u9886\u5148\u5730\u4f4d\uff0c\u9700\u8981\u6301\u7eed\u5b66\u4e60\u548c\u9002\u5e94\u3002\u901a\u8fc7\u5b9e\u65bd\u672c\u6307\u5357\u4e2d\u6982\u8ff0\u7684\u7efc\u5408\u7b56\u7565\uff0c\u7ec4\u7ec7\u53ef\u4ee5\u7ef4\u6301\u6700\u4f73\u670d\u52a1\u5668\u6027\u80fd\uff0c\u786e\u4fdd\u4e1a\u52a1\u8fde\u7eed\u6027\uff0c\u5e76\u4e3a\u5176\u5ba2\u6237\u63d0\u4f9b\u5353\u8d8a\u7684\u670d\u52a1\u8d28\u91cf\u3002\u5b9a\u671f\u5ba1\u67e5\u548c\u66f4\u65b0\u8fd9\u4e9b\u5b9e\u8df5\uff0c\u7ed3\u5408\u65b0\u5174\u6280\u672f\u548c\u5de5\u5177\uff0c\u5c06\u6709\u52a9\u4e8e\u4fdd\u6301\u60a8\u7684\u57fa\u7840\u8bbe\u65bd\u5728\u52a8\u6001\u7684\u6d1b\u6749\u77f6\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u4ee5\u6700\u9ad8\u6548\u7387\u8fd0\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u57282025\u5e74\uff0c\u6709\u6548\u7ba1\u7406\u6d1b\u6749\u77f6\u670d\u52a1\u5668\u7684CPU\u4f7f\u7528\u7387\u4ecd\u7136\u662f\u7cfb\u7edf\u7ba1\u7406\u5458\u548cDevOps\u5de5\u7a0b\u5e08\u9762\u4e34\u7684\u5173\u952e\u6311\u6218\u3002\u968f\u7740AI\u5de5\u4f5c\u8d1f\u8f7d\u3001\u5bb9\u5668\u5316\u5e94\u7528\u7a0b\u5e8f\u548c\u5b9e\u65f6\u5904\u7406\u9700\u6c42\u7684\u589e\u52a0\uff0c\u7ef4\u6301\u6700\u4f73CPU\u6027\u80fd\u53d8\u5f97\u6bd4\u4ee5\u5f80\u66f4\u52a0\u590d\u6742\u3002\u5f53\u670d\u52a1\u5668\u7684CPU\u4f7f\u7528\u7387\u63a5\u8fd1\u6781\u9650\u65f6\uff0c\u53ef\u80fd\u4f1a\u4e25\u91cd\u5f71\u54cd\u6027\u80fd\uff0c\u5bfc\u81f4\u670d\u52a1\u4e2d\u65ad\u548c\u5ba2\u6237\u4e0d\u6ee1\u3002\u672c\u7efc\u5408\u6307\u5357\u63a2\u8ba8\u4e86\u7ba1\u7406\u6d1b\u6749\u77f6\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1CPU\u4f7f\u7528\u7387\u7684\u5b9e\u7528\u89e3\u51b3\u65b9\u6848\uff0c\u7ed3\u5408\u4e86\u6700\u65b0\u7684\u6700\u4f73\u5b9e\u8df5\u548c\u65b0\u5174\u6280\u672f\u3002 \u4e86\u89e3CPU\u4f7f\u7528\u7387\u9608\u503c \u5728\u6df1\u5165\u89e3\u51b3\u65b9\u6848\u4e4b\u524d\uff0c\u4e86\u89e3\u4ec0\u4e48\u6784\u6210&#8221;\u9ad8&#8221;CPU\u4f7f\u7528\u7387\u81f3\u5173\u91cd\u8981\u3002\u867d\u7136\u5728\u5cf0\u503c\u8fd0\u8425\u671f\u95f4\u77ed\u6682\u8fbe\u5230100%\u53ef\u80fd\u662f\u6b63\u5e38\u7684\uff0c\u4f46\u6301\u7eed\u8d85\u8fc780%\u7684\u9ad8CPU\u4f7f\u7528\u7387\u901a\u5e38\u8868\u660e\u5b58\u5728\u6f5c\u5728\u95ee\u9898\u3002\u73b0\u4ee3\u670d\u52a1\u5668\u67b6\u6784\u548c\u5de5\u4f5c\u8d1f\u8f7d\u6a21\u5f0f\u91cd\u65b0\u5b9a\u4e49\u4e86\u8fd9\u4e9b\u9608\u503c\uff1a 70-80%\uff1a\u8b66\u544a\u533a\u57df &#8211; \u9700\u8981\u76d1\u63a7\u5e76\u4e3b\u52a8\u8c03\u67e5\u6f5c\u5728\u74f6\u9888 80-90%\uff1a\u4e34\u754c\u533a\u57df &#8211; \u9700\u8981\u7acb\u5373\u8c03\u67e5\uff0c\u53ef\u80fd\u5f71\u54cd\u670d\u52a1\u8d28\u91cf 90%+\uff1a\u5371\u9669\u533a\u57df &#8211; \u9700\u8981\u7acb\u5373\u91c7\u53d6\u884c\u52a8\u4ee5\u9632\u6b62\u7cfb\u7edf\u4e0d\u7a33\u5b9a\u548c\u670d\u52a1\u4e2d\u65ad \u7d27\u6025\u54cd\u5e94\u534f\u8bae \u5728\u9762\u5bf9\u5373\u65f6CPU\u4f7f\u7528\u7387\u95ee\u9898\u65f6\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u9488\u5bf9\u6700\u65b0\u670d\u52a1\u5668\u73af\u5883\u548c\u67b6\u6784\u8bbe\u8ba1\u7684\u5173\u952e\u6b65\u9aa4\uff1a \u4f7f\u7528&#8217;top&#8217;\u547d\u4ee4\u8bc6\u522b\u8d44\u6e90\u5bc6\u96c6\u578b\u8fdb\u7a0b\u53ca\u5176\u5bf9\u7cfb\u7edf\u8d44\u6e90\u7684\u5f71\u54cd \u4f7f\u7528\u9ad8\u7ea7\u65e5\u5fd7\u805a\u5408\u5de5\u5177\u5206\u6790\u7cfb\u7edf\u65e5\u5fd7\u4e2d\u7684\u5f02\u5e38\u6a21\u5f0f\u548c\u76f8\u5173\u6027 \u4f7f\u7528\u65b0\u4e00\u4ee3\u5a01\u80c1\u68c0\u6d4b\u7cfb\u7edf\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\uff0c\u9632\u8303\u6f5c\u5728\u7684DDoS\u653b\u51fb \u68c0\u67e5\u5931\u63a7\u8fdb\u7a0b\uff0c\u5fc5\u8981\u65f6\u6309\u7167\u65e2\u5b9a\u7684\u4e8b\u4ef6\u54cd\u5e94\u7a0b\u5e8f\u7ec8\u6b62\u8fdb\u7a0b # \u5177\u6709\u589e\u5f3a\u76d1\u63a7\u529f\u80fd\u7684\u7d27\u6025\u54cd\u5e94\u5feb\u901f\u547d\u4ee4 top -c -b -n 1 htop &#8211;sort-key PERCENT_CPU ps aux | sort -nrk 3,3 | head -n 5 pidstat -u -p ALL 1 5 \u7cfb\u7edf\u7ea7\u4f18\u5316\u6280\u672f \u5b9e\u65bd\u7cfb\u7edf\u7ea7\u4f18\u5316\u53ef\u4ee5\u663e\u8457\u964d\u4f4eCPU\u8d1f\u8f7d\u3002\u4ee5\u4e0b\u662f\u8c03\u4f18\u6d1b\u6749\u77f6\u670d\u52a1\u5668\u7684\u7cfb\u7edf\u65b9\u6cd5\uff1a \u5185\u6838\u53c2\u6570\u4f18\u5316 \u7f16\u8f91sysctl.conf\u6587\u4ef6\u4ee5\u4f18\u5316\u73b0\u4ee3\u9ad8\u6027\u80fd\u8ba1\u7b97\u73af\u5883\u7684\u5185\u6838\u53c2\u6570\uff1a # \/etc\/sysctl.conf 2025\u5e74\u670d\u52a1\u5668\u914d\u7f6e\u4f18\u5316 net.core.somaxconn = 4096 net.ipv4.tcp_max_syn_backlog [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-cn\/blog\/7-solutions-for-high-cpu-usage-on-los-angeles-servers\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":11,"featured_media":25860,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[76],"tags":[],"class_list":["post-25867","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u6d1b\u6749\u77f6\u670d\u52a1\u5668CPU\u4f7f\u7528\u7387\u8fc7\u9ad8\u76847\u4e2a\u89e3\u51b3\u65b9\u6848<\/title>\n<meta name=\"description\" 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