{"id":62769,"date":"2025-04-29T08:57:26","date_gmt":"2025-04-29T00:57:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/62769\/"},"modified":"2025-04-29T08:57:26","modified_gmt":"2025-04-29T00:57:26","slug":"%e5%a6%82%e4%bd%95%e8%bf%9b%e8%a1%8clinux%e7%b3%bb%e7%bb%9f%e7%9a%84%e7%b3%bb%e7%bb%9f%e8%b0%83%e4%bc%98%e5%92%8c%e6%80%a7%e8%83%bd%e6%b5%8b%e8%af%95-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/62769\/","title":{"rendered":"\u5982\u4f55\u8fdb\u884cLinux\u7cfb\u7edf\u7684\u7cfb\u7edf\u8c03\u4f18\u548c\u6027\u80fd\u6d4b\u8bd5"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/887\/227\/169932804119434.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u8fdb\u884cLinux\u7cfb\u7edf\u7684\u7cfb\u7edf\u8c03\u4f18\u548c\u6027\u80fd\u6d4b\u8bd5\u63d2\u56fe\" alt=\"\u5982\u4f55\u8fdb\u884cLinux\u7cfb\u7edf\u7684\u7cfb\u7edf\u8c03\u4f18\u548c\u6027\u80fd\u6d4b\u8bd5\u63d2\u56fe\" \/><\/p>\n<p>\u64cd\u4f5c\u7cfb\u7edf\u7684\u6027\u80fd\u4f18\u5316\u662f\u4fdd\u8bc1\u7cfb\u7edf\u9ad8\u6548\u8fd0\u884c\u7684\u5173\u952e\u4e4b\u4e00\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5404\u79cd\u65b9\u6cd5\u8fdb\u884c\u6027\u80fd\u8c03\u4f18\u548c\u6d4b\u8bd5\uff0c\u4ee5\u786e\u4fdd\u7cfb\u7edf\u7684\u6700\u4f73\u6027\u80fd\u8868\u73b0\u3002<\/p>\n<p>\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u8fdb\u884cLinux\u7cfb\u7edf\u7684\u7cfb\u7edf\u8c03\u4f18\u548c\u6027\u80fd\u6d4b\u8bd5\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e00\u3001\u7cfb\u7edf\u8c03\u4f18<br \/>\u7cfb\u7edf\u8c03\u4f18\u662f\u901a\u8fc7\u8c03\u6574\u7cfb\u7edf\u7684\u5404\u9879\u53c2\u6570\uff0c\u6765\u4f18\u5316\u7cfb\u7edf\u7684\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u7cfb\u7edf\u8c03\u4f18\u65b9\u6cd5\uff1a<\/p>\n<p>1.\u4fee\u6539\u5185\u6838\u53c2\u6570<\/p>\n<p>Linux\u7cfb\u7edf\u7684\u5185\u6838\u53c2\u6570\u63a7\u5236\u7740\u7cfb\u7edf\u8fd0\u884c\u7684\u5404\u79cd\u884c\u4e3a\u548c\u7279\u6027\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u5185\u6838\u53c2\u6570\u6765\u4f18\u5316\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528 sysctl \u547d\u4ee4\u6765\u4fee\u6539\u5185\u6838\u53c2\u6570\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>sysctl -w net.ipv4.tcp_fin_timeout=30\nsysctl -w net.core.netdev_max_backlog=10000<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>2.\u4fee\u6539ulimit\u9650\u5236<\/p>\n<p>ulimit \u662f\u7528\u6765\u9650\u5236\u7528\u6237\u8fdb\u7a0b\u8d44\u6e90\u4f7f\u7528\u7684\u4e00\u79cd\u673a\u5236\uff0c\u5305\u62ec CPU \u65f6\u95f4\u3001\u5185\u5b58\u3001\u6587\u4ef6\u63cf\u8ff0\u7b26\u7b49\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539 ulimit \u7684\u503c\u6765\u4f18\u5316\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u68c0\u67e5\u5f53\u524d\u7cfb\u7edf\u7684\u6700\u5927\u6587\u4ef6\u63cf\u8ff0\u7b26\u6570\u91cf\uff1a<\/p>\n<pre>ulimit -n<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u4fee\u6539\u6700\u5927\u6587\u4ef6\u63cf\u8ff0\u7b26\u6570\u91cf\u7684\u503c\uff1a<\/p>\n<pre>ulimit -n 65535<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>3.\u4f18\u5316\u78c1\u76d8I\/O<\/p>\n<p>\u78c1\u76d8I\/O\u4e5f\u662f\u7cfb\u7edf\u6027\u80fd\u7684\u5173\u952e\u56e0\u7d20\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4f18\u5316\u78c1\u76d8\u8bfb\u5199\u6765\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u6765\u4f7f\u7528\u542f\u7528I\/O\u8c03\u5ea6\u7b97\u6cd5\uff1a<\/p>\n<pre>echo deadline &amp;gt; \/sys\/block\/sda\/queue\/scheduler<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>4.\u4f7f\u7528\u6027\u80fd\u5206\u6790\u5de5\u5177<\/p>\n<p>\u6027\u80fd\u5206\u6790\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u627e\u5230\u7cfb\u7edf\u4e2d\u7684\u74f6\u9888\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5de5\u5177\u6765\u5206\u6790\u7cfb\u7edf\u6027\u80fd\uff0c\u4ee5\u4fbf\u8bc6\u522b\u4f18\u5316\u7684\u91cd\u70b9\u3002<\/p>\n<p>\u5176\u4e2d\uff0c\u4e00\u4e9b\u5e38\u89c1\u7684\u6027\u80fd\u5206\u6790\u5de5\u5177\u6709\uff1astrace\u3001tcpdump\u3001perf\u7b49\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528perf\u5de5\u5177\u6765\u67e5\u627e\u7cfb\u7edf\u74f6\u9888\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>perf record -e sched:sched_process_exec -a -g -- sleep 10\nperf report<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<br \/>\u6027\u80fd\u6d4b\u8bd5\u662f\u901a\u8fc7\u6a21\u62df\u7cfb\u7edf\u8d1f\u8f7d\u6765\u6d4b\u91cf\u7cfb\u7edf\u7684\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u6027\u80fd\u6d4b\u8bd5\u65b9\u6cd5\uff1a<\/p>\n<p>1.\u538b\u529b\u6d4b\u8bd5<\/p>\n<p>\u538b\u529b\u6d4b\u8bd5\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8bc4\u4f30\u7cfb\u7edf\u7684\u8d1f\u8f7d\u80fd\u529b\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\u6765\u8fdb\u884cApache\u7684\u538b\u529b\u6d4b\u8bd5\uff1a<\/p>\n<pre>ab -n 10000 -c 1000 http:\/\/www.example.com<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>2.\u7f51\u7edc\u6d4b\u8bd5<\/p>\n<p>\u7f51\u7edc\u6d4b\u8bd5\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8bc4\u4f30\u7f51\u7edc\u6027\u80fd\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\u6765\u8fdb\u884c\u7f51\u7edc\u6d4b\u8bd5\uff1a<\/p>\n<pre>iperf -s       # Start the server\niperf -c 10.0.0.3 -t 30 -P 8   # Run the client for 30 seconds with 8 parallel connections<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>3.\u6570\u636e\u5e93\u6d4b\u8bd5<\/p>\n<p>\u6570\u636e\u5e93\u6d4b\u8bd5\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8bc4\u4f30\u6570\u636e\u5e93\u6027\u80fd\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\u6765\u8fdb\u884c\u6570\u636e\u5e93\u6d4b\u8bd5\uff1a<\/p>\n<pre>sysbench --test=oltp --db-driver=mysql --mysql-db=test --mysql-user=root prepare\nsysbench --test=oltp --db-driver=mysql --mysql-db=test --mysql-user=root --max-time=60 --oltp-table-size=1000000 --max-requests=0 --num-threads=8 run<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u7cfb\u7edf\u8c03\u4f18\u548c\u6027\u80fd\u6d4b\u8bd5\u65b9\u6cd5\u3002\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u7ed3\u5408\u7cfb\u7edf\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u8c03\u4f18\u548c\u6d4b\u8bd5\uff0c\u5e76\u6839\u636e\u7ed3\u679c\u8fdb\u884c\u76f8\u5e94\u7684\u4f18\u5316\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u8fdb\u884cLinux\u7cfb\u7edf\u7684\u7cfb\u7edf\u8c03\u4f18\u548c\u6027\u80fd\u6d4b\u8bd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u64cd\u4f5c\u7cfb\u7edf\u7684\u6027\u80fd\u4f18\u5316\u662f\u4fdd\u8bc1\u7cfb\u7edf\u9ad8\u6548\u8fd0\u884c\u7684\u5173\u952e\u4e4b\u4e00\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5404\u79cd\u65b9\u6cd5\u8fdb\u884c\u6027\u80fd\u8c03\u4f18\u548c\u6d4b\u8bd5\uff0c\u4ee5\u786e\u4fdd\u7cfb\u7edf\u7684\u6700\u4f73\u6027\u80fd\u8868\u73b0\u3002 \u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u8fdb\u884cLinux\u7cfb\u7edf\u7684\u7cfb\u7edf\u8c03\u4f18\u548c\u6027\u80fd\u6d4b\u8bd5\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001\u7cfb\u7edf\u8c03\u4f18\u7cfb\u7edf\u8c03\u4f18\u662f\u901a\u8fc7\u8c03\u6574\u7cfb\u7edf\u7684\u5404\u9879\u53c2\u6570\uff0c\u6765\u4f18\u5316\u7cfb\u7edf\u7684\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u7cfb\u7edf\u8c03\u4f18\u65b9\u6cd5\uff1a 1.\u4fee\u6539\u5185\u6838\u53c2\u6570 Linux\u7cfb\u7edf\u7684\u5185\u6838\u53c2\u6570\u63a7\u5236\u7740\u7cfb\u7edf\u8fd0\u884c\u7684\u5404\u79cd\u884c\u4e3a\u548c\u7279\u6027\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u5185\u6838\u53c2\u6570\u6765\u4f18\u5316\u7cfb\u7edf\u7684\u6027\u80fd\u3002 \u53ef\u4ee5\u4f7f\u7528 sysctl \u547d\u4ee4\u6765\u4fee\u6539\u5185\u6838\u53c2\u6570\uff0c\u4f8b\u5982\uff1a sysctl -w net.ipv4.tcp_fin_timeout=30 sysctl -w net.core.netdev_max_backlog=10000 \u767b\u5f55\u540e\u590d\u5236 2.\u4fee\u6539ulimit\u9650\u5236 ulimit \u662f\u7528\u6765\u9650\u5236\u7528\u6237\u8fdb\u7a0b\u8d44\u6e90\u4f7f\u7528\u7684\u4e00\u79cd\u673a\u5236\uff0c\u5305\u62ec CPU \u65f6\u95f4\u3001\u5185\u5b58\u3001\u6587\u4ef6\u63cf\u8ff0\u7b26\u7b49\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539 ulimit \u7684\u503c\u6765\u4f18\u5316\u7cfb\u7edf\u7684\u6027\u80fd\u3002 \u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u68c0\u67e5\u5f53\u524d\u7cfb\u7edf\u7684\u6700\u5927\u6587\u4ef6\u63cf\u8ff0\u7b26\u6570\u91cf\uff1a ulimit -n \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u4fee\u6539\u6700\u5927\u6587\u4ef6\u63cf\u8ff0\u7b26\u6570\u91cf\u7684\u503c\uff1a ulimit -n 65535 \u767b\u5f55\u540e\u590d\u5236 3.\u4f18\u5316\u78c1\u76d8I\/O \u78c1\u76d8I\/O\u4e5f\u662f\u7cfb\u7edf\u6027\u80fd\u7684\u5173\u952e\u56e0\u7d20\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4f18\u5316\u78c1\u76d8\u8bfb\u5199\u6765\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u3002 \u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u6765\u4f7f\u7528\u542f\u7528I\/O\u8c03\u5ea6\u7b97\u6cd5\uff1a echo deadline &amp;gt; \/sys\/block\/sda\/queue\/scheduler \u767b\u5f55\u540e\u590d\u5236 4.\u4f7f\u7528\u6027\u80fd\u5206\u6790\u5de5\u5177 \u6027\u80fd\u5206\u6790\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u627e\u5230\u7cfb\u7edf\u4e2d\u7684\u74f6\u9888\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5de5\u5177\u6765\u5206\u6790\u7cfb\u7edf\u6027\u80fd\uff0c\u4ee5\u4fbf\u8bc6\u522b\u4f18\u5316\u7684\u91cd\u70b9\u3002 \u5176\u4e2d\uff0c\u4e00\u4e9b\u5e38\u89c1\u7684\u6027\u80fd\u5206\u6790\u5de5\u5177\u6709\uff1astrace\u3001tcpdump\u3001perf\u7b49\u3002 \u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528perf\u5de5\u5177\u6765\u67e5\u627e\u7cfb\u7edf\u74f6\u9888\u7684\u793a\u4f8b\u4ee3\u7801\uff1a perf record -e sched:sched_process_exec -a -g &#8212; sleep 10 perf report \u767b\u5f55\u540e\u590d\u5236 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-62769","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62769","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=62769"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62769\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=62769"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=62769"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=62769"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}