\u5982\u4f55\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7cfb\u7edf\u7684\u9ad8\u7ea7\u8c03\u4f18\u548c\u914d\u7f6e\uff1f<\/p>\n
\u5f15\u8a00\uff1a
\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u662f\u4e00\u6b3e\u57fa\u4e8eLinux\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5177\u6709\u9ad8\u5ea6\u7684\u7a33\u5b9a\u6027\u548c\u5b89\u5168\u6027\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u670d\u52a1\u5668\u548c\u4e2a\u4eba\u7535\u8111\u3002\u7136\u800c\uff0c\u4e3a\u4e86\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u9002\u5e94\u7279\u5b9a\u7684\u9700\u6c42\uff0c\u6211\u4eec\u9700\u8981\u8fdb\u884c\u9ad8\u7ea7\u8c03\u4f18\u548c\u914d\u7f6e\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7cfb\u7edf\u7684\u9ad8\u7ea7\u8c03\u4f18\u548c\u914d\u7f6e\uff0c\u5305\u62ec\u5185\u6838\u53c2\u6570\u4f18\u5316\u3001\u6587\u4ef6\u7cfb\u7edf\u8bbe\u7f6e\u3001IO\u8c03\u5ea6\u65b9\u5f0f\u3001\u8fdb\u7a0b\u4f18\u5148\u7ea7\u3001\u5185\u5b58\u7ba1\u7406\u7b49\u65b9\u9762\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n
\u4e00\u3001\u5185\u6838\u53c2\u6570\u4f18\u5316
\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u90fd\u4e0e\u5185\u6838\u53c2\u6570\u7684\u8bbe\u7f6e\u606f\u606f\u76f8\u5173\u3002\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\/sys\u6216\/proc\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u6765\u66f4\u6539\u5185\u6838\u53c2\u6570\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5185\u6838\u53c2\u6570\u8bbe\u7f6e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
\uff081\uff09\u8c03\u6574TCP\/IP\u76f8\u5173\u53c2\u6570\uff1a
sysctl -w net.core.somaxconn=65535
sysctl -w net.ipv4.tcp_max_syn_backlog=65535
sysctl -w net.ipv4.tcp_max_tw_buckets=65535<\/p>\n
\uff082\uff09\u8c03\u6574\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236\uff1a
sysctl -w fs.file-max=65535
ulimit -n 65535<\/p>\n
\uff083\uff09\u8c03\u6574\u5185\u5b58\u5206\u914d\u673a\u5236\uff1a
sysctl -w vm.swappiness=10
sysctl -w vm.dirty_ratio=5
sysctl -w vm.dirty_background_ratio=3<\/p>\n
\u4e8c\u3001\u6587\u4ef6\u7cfb\u7edf\u8bbe\u7f6e
\u6587\u4ef6\u7cfb\u7edf\u7684\u9009\u62e9\u548c\u4f18\u5316\u5bf9\u7cfb\u7edf\u7684\u6027\u80fd\u4e5f\u6709\u7740\u91cd\u8981\u7684\u5f71\u54cd\u3002\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u9ed8\u8ba4\u4f7f\u7528\u7684\u662fext4\u6587\u4ef6\u7cfb\u7edf\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u6587\u4ef6\u7cfb\u7edf\u8bbe\u7f6e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
\uff081\uff09\u542f\u7528\u5199\u5165\u7f13\u5b58\uff1a
tune2fs -o journal_data_writeback \/dev\/sda1<\/p>\n
\uff082\uff09\u8c03\u6574\u6700\u5927\u6253\u5f00\u6587\u4ef6\u6570\uff1a
echo “* – nofile 65535” >> \/etc\/security\/limits.conf<\/p>\n
\u4e09\u3001IO\u8c03\u5ea6\u65b9\u5f0f
IO\u8c03\u5ea6\u65b9\u5f0f\u662f\u6307\u5bf9\u78c1\u76d8IO\u8bf7\u6c42\u7684\u8c03\u5ea6\u65b9\u5f0f\u7684\u9009\u62e9\uff0c\u4e0d\u540c\u7684\u8c03\u5ea6\u65b9\u5f0f\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f\u3002\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u9ed8\u8ba4\u4f7f\u7528\u7684\u662fdeadline\u8c03\u5ea6\u65b9\u5f0f\u3002\u4e0b\u9762\u662f\u4e00\u4e9bIO\u8c03\u5ea6\u65b9\u5f0f\u8bbe\u7f6e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
\uff081\uff09\u66f4\u6539\u8c03\u5ea6\u65b9\u5f0f\uff1a
echo “deadline” > \/sys\/block\/sda\/queue\/scheduler<\/p>\n
\uff082\uff09\u8bbe\u5b9a\u8bfb\u5199\u6bd4\u4f8b\uff1a
echo “512” > \/sys\/block\/sda\/queue\/iosched\/writes_starved<\/p>\n
\u56db\u3001\u8fdb\u7a0b\u4f18\u5148\u7ea7
\u5bf9\u4e8e\u9700\u8981\u4f18\u5148\u5904\u7406\u7684\u8fdb\u7a0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u6765\u63d0\u9ad8\u5176\u8fd0\u884c\u6548\u7387\u3002\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u9ed8\u8ba4\u7684\u8fdb\u7a0b\u4f18\u5148\u7ea7\u8303\u56f4\u662f-20\u523019\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u8fdb\u7a0b\u4f18\u5148\u7ea7\u8bbe\u7f6e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
\uff081\uff09\u8c03\u6574\u8fdb\u7a0b\u4f18\u5148\u7ea7\uff1a
renice -20 -p 12345<\/p>\n
\u4e94\u3001\u5185\u5b58\u7ba1\u7406
\u5bf9\u4e8e\u7cfb\u7edf\u4e2d\u7684\u5185\u5b58\u7ba1\u7406\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u9875\u9762\u7f6e\u6362\u7b56\u7565\u548c\u5185\u5b58\u5206\u914d\u673a\u5236\u6765\u63d0\u9ad8\u6027\u80fd\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5185\u5b58\u7ba1\u7406\u8bbe\u7f6e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
\uff081\uff09\u8c03\u6574\u9875\u9762\u7f6e\u6362\u7b56\u7565\uff1a
echo “0” > \/proc\/sys\/vm\/swappiness<\/p>\n
\uff082\uff09\u4f7f\u7528hugepages\uff1a
echo “vm.nr_hugepages = 256” >> \/etc\/sysctl.conf<\/p>\n
\u603b\u7ed3\uff1a
\u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7cfb\u7edf\u7684\u9ad8\u7ea7\u8c03\u4f18\u548c\u914d\u7f6e\u3002\u901a\u8fc7\u5bf9\u5185\u6838\u53c2\u6570\u4f18\u5316\u3001\u6587\u4ef6\u7cfb\u7edf\u8bbe\u7f6e\u3001IO\u8c03\u5ea6\u65b9\u5f0f\u3001\u8fdb\u7a0b\u4f18\u5148\u7ea7\u548c\u5185\u5b58\u7ba1\u7406\u7684\u8c03\u6574\uff0c\u53ef\u4ee5\u4f7f\u7cfb\u7edf\u5728\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u4e2d\u8fbe\u5230\u66f4\u597d\u7684\u6027\u80fd\u548c\u9002\u5e94\u6027\u3002\u7136\u800c\uff0c\u5b9e\u9645\u7684\u7cfb\u7edf\u8c03\u4f18\u548c\u914d\u7f6e\u4f9d\u8d56\u4e8e\u5177\u4f53\u7684\u9700\u6c42\u548c\u73af\u5883\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u8c03\u6574\u548c\u4f18\u5316\u3002<\/p>\n
\u53c2\u8003\u8d44\u6599\uff1a
[1] https:\/\/github.com\/kunpengcompute\/khanka\/blob\/master\/tuning_guide.md<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7cfb\u7edf\u7684\u9ad8\u7ea7\u8c03\u4f18\u548c\u914d\u7f6e\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7cfb\u7edf\u7684\u9ad8\u7ea7\u8c03\u4f18\u548c\u914d\u7f6e\uff1f \u5f15\u8a00\uff1a\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u662f\u4e00\u6b3e\u57fa\u4e8eLinux\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5177\u6709\u9ad8\u5ea6\u7684\u7a33\u5b9a\u6027\u548c\u5b89\u5168\u6027\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u670d\u52a1\u5668\u548c\u4e2a\u4eba\u7535\u8111\u3002\u7136\u800c\uff0c\u4e3a\u4e86\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u9002\u5e94\u7279\u5b9a\u7684\u9700\u6c42\uff0c\u6211\u4eec\u9700\u8981\u8fdb\u884c\u9ad8\u7ea7\u8c03\u4f18\u548c\u914d\u7f6e\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7cfb\u7edf\u7684\u9ad8\u7ea7\u8c03\u4f18\u548c\u914d\u7f6e\uff0c\u5305\u62ec\u5185\u6838\u53c2\u6570\u4f18\u5316\u3001\u6587\u4ef6\u7cfb\u7edf\u8bbe\u7f6e\u3001IO\u8c03\u5ea6\u65b9\u5f0f\u3001\u8fdb\u7a0b\u4f18\u5148\u7ea7\u3001\u5185\u5b58\u7ba1\u7406\u7b49\u65b9\u9762\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001\u5185\u6838\u53c2\u6570\u4f18\u5316\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u90fd\u4e0e\u5185\u6838\u53c2\u6570\u7684\u8bbe\u7f6e\u606f\u606f\u76f8\u5173\u3002\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\/sys\u6216\/proc\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u6765\u66f4\u6539\u5185\u6838\u53c2\u6570\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5185\u6838\u53c2\u6570\u8bbe\u7f6e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a \uff081\uff09\u8c03\u6574TCP\/IP\u76f8\u5173\u53c2\u6570\uff1asysctl -w net.core.somaxconn=65535sysctl -w net.ipv4.tcp_max_syn_backlog=65535sysctl -w net.ipv4.tcp_max_tw_buckets=65535 \uff082\uff09\u8c03\u6574\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236\uff1asysctl -w fs.file-max=65535ulimit -n 65535 \uff083\uff09\u8c03\u6574\u5185\u5b58\u5206\u914d\u673a\u5236\uff1asysctl -w vm.swappiness=10sysctl -w vm.dirty_ratio=5sysctl -w vm.dirty_background_ratio=3 \u4e8c\u3001\u6587\u4ef6\u7cfb\u7edf\u8bbe\u7f6e\u6587\u4ef6\u7cfb\u7edf\u7684\u9009\u62e9\u548c\u4f18\u5316\u5bf9\u7cfb\u7edf\u7684\u6027\u80fd\u4e5f\u6709\u7740\u91cd\u8981\u7684\u5f71\u54cd\u3002\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u9ed8\u8ba4\u4f7f\u7528\u7684\u662fext4\u6587\u4ef6\u7cfb\u7edf\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u6587\u4ef6\u7cfb\u7edf\u8bbe\u7f6e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a \uff081\uff09\u542f\u7528\u5199\u5165\u7f13\u5b58\uff1atune2fs -o journal_data_writeback \/dev\/sda1 \uff082\uff09\u8c03\u6574\u6700\u5927\u6253\u5f00\u6587\u4ef6\u6570\uff1aecho “* – nofile 65535” >> \/etc\/security\/limits.conf \u4e09\u3001IO\u8c03\u5ea6\u65b9\u5f0fIO\u8c03\u5ea6\u65b9\u5f0f\u662f\u6307\u5bf9\u78c1\u76d8IO\u8bf7\u6c42\u7684\u8c03\u5ea6\u65b9\u5f0f\u7684\u9009\u62e9\uff0c\u4e0d\u540c\u7684\u8c03\u5ea6\u65b9\u5f0f\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f\u3002\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u9ed8\u8ba4\u4f7f\u7528\u7684\u662fdeadline\u8c03\u5ea6\u65b9\u5f0f\u3002\u4e0b\u9762\u662f\u4e00\u4e9bIO\u8c03\u5ea6\u65b9\u5f0f\u8bbe\u7f6e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a \uff081\uff09\u66f4\u6539\u8c03\u5ea6\u65b9\u5f0f\uff1aecho “deadline” > \/sys\/block\/sda\/queue\/scheduler \uff082\uff09\u8bbe\u5b9a\u8bfb\u5199\u6bd4\u4f8b\uff1aecho “512” > \/sys\/block\/sda\/queue\/iosched\/writes_starved \u56db\u3001\u8fdb\u7a0b\u4f18\u5148\u7ea7\u5bf9\u4e8e\u9700\u8981\u4f18\u5148\u5904\u7406\u7684\u8fdb\u7a0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u6765\u63d0\u9ad8\u5176\u8fd0\u884c\u6548\u7387\u3002\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u9ed8\u8ba4\u7684\u8fdb\u7a0b\u4f18\u5148\u7ea7\u8303\u56f4\u662f-20\u523019\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u8fdb\u7a0b\u4f18\u5148\u7ea7\u8bbe\u7f6e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a \uff081\uff09\u8c03\u6574\u8fdb\u7a0b\u4f18\u5148\u7ea7\uff1arenice -20 -p 12345 \u4e94\u3001\u5185\u5b58\u7ba1\u7406\u5bf9\u4e8e\u7cfb\u7edf\u4e2d\u7684\u5185\u5b58\u7ba1\u7406\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u9875\u9762\u7f6e\u6362\u7b56\u7565\u548c\u5185\u5b58\u5206\u914d\u673a\u5236\u6765\u63d0\u9ad8\u6027\u80fd\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5185\u5b58\u7ba1\u7406\u8bbe\u7f6e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a \uff081\uff09\u8c03\u6574\u9875\u9762\u7f6e\u6362\u7b56\u7565\uff1aecho “0” > \/proc\/sys\/vm\/swappiness \uff082\uff09\u4f7f\u7528hugepages\uff1aecho “vm.nr_hugepages […]<\/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-16667","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16667","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=16667"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16667\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=16667"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=16667"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=16667"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}