{"id":1184,"date":"2022-03-29T22:41:20","date_gmt":"2022-03-29T14:41:20","guid":{"rendered":"https:\/\/www.cith.ml:5444\/?p=1184"},"modified":"2022-03-29T22:41:37","modified_gmt":"2022-03-29T14:41:37","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8centos-8%e4%b8%8a%e5%90%af%e7%94%a8bbr","status":"publish","type":"post","link":"https:\/\/blog.cithwu.com\/wp5444\/%e5%a6%82%e4%bd%95%e5%9c%a8centos-8%e4%b8%8a%e5%90%af%e7%94%a8bbr\/","title":{"rendered":"\u5982\u4f55\u5728CentOS 8\u4e0a\u542f\u7528BBR"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">BBR \u4ee3\u8868\u74f6\u9888\u5e26\u5bbd\uff0cRTT \u662f\u62e5\u585e\u63a7\u5236\u7cfb\u7edf\u3002 \u60a8\u53ef\u4ee5\u5728 Linux \u684c\u9762\u4e0a\u542f\u7528 TCP BBR \u4ee5\u6539\u5584\u6574\u4f53\u7f51\u7edc\u51b2\u6d6a\u4f53\u9a8c\u3002 \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cLinux \u4f7f\u7528 Reno \u548c CUBIC \u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/wiki.crowncloud.net\/?How_to_enable_BBR_on_CentOS_8#Requirements%3A\">\u8981\u6c42\uff1a<\/a><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>BBR \u9700\u8981 Linux \u5185\u6838\u7248\u672c 4.9 \u6216\u66f4\u9ad8\u7248\u672c\u3002 \u7531\u4e8eCentOS 8\u9644\u5e264.18.0\u5185\u6838\uff0c\u6211\u4eec\u53ef\u4ee5\u7acb\u5373\u542f\u7528BBR\u3002<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u53ef\u7528\u7684\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\uff0c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sysctl net.ipv4.tcp_available_congestion_control<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>root@vps:~# sysctl net.ipv4.tcp_available_congestion_control\nnet.ipv4.tcp_available_congestion_control = reno cubic<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u4ee5\u68c0\u67e5\u7cfb\u7edf\u4e2d\u4f7f\u7528\u7684\u5f53\u524d\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\uff0c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sysctl net.ipv4.tcp_congestion_control<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@vps ~]# sysctl net.ipv4.tcp_available_congestion_control\nnet.ipv4.tcp_available_congestion_control = reno cubic<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/wiki.crowncloud.net\/?How_to_enable_BBR_on_CentOS_8#Enabling+TCP+BBR+in+CentOS\">\u5728CentOS\u4e2d\u542f\u7528TCP BBR<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6253\u5f00\u4ee5\u4e0b\u914d\u7f6e\u6587\u4ef6 <code>vi \/etc\/sysctl.conf<\/code>\u542f\u7528\u542f\u7528TCP BBR\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>vi \/etc\/sysctl.conf<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u914d\u7f6e\u6587\u4ef6\u7684\u672b\u5c3e\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u884c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>net.core.default_qdisc=fq\nnet.ipv4.tcp_congestion_control=bbr<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fdd\u5b58\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528\u6b64\u547d\u4ee4\u5237\u65b0\u914d\u7f6e\uff0c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sysctl -p<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@vps ~]# sysctl -p\nnet.core.default_qdisc = fq\nnet.ipv4.tcp_congestion_control = bbr<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\uff0c\u9a8c\u8bc1\u60a8\u7684\u7cfb\u7edf\u4e2d\u662f\u5426\u542f\u7528\u4e86 BBR\uff0c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sysctl net.ipv4.tcp_congestion_control<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@vps ~]# sysctl net.ipv4.tcp_congestion_control\nnet.ipv4.tcp_congestion_control = bbr<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b8c\u6bd5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>BBR \u4ee3\u8868\u74f6\u9888\u5e26\u5bbd\uff0cRTT \u662f&#46;&#46;&#46;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,9],"tags":[],"class_list":["post-1184","post","type-post","status-publish","format-standard","hentry","category-linux","category-9"],"_links":{"self":[{"href":"https:\/\/blog.cithwu.com\/wp5444\/wp-json\/wp\/v2\/posts\/1184","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.cithwu.com\/wp5444\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.cithwu.com\/wp5444\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.cithwu.com\/wp5444\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.cithwu.com\/wp5444\/wp-json\/wp\/v2\/comments?post=1184"}],"version-history":[{"count":1,"href":"https:\/\/blog.cithwu.com\/wp5444\/wp-json\/wp\/v2\/posts\/1184\/revisions"}],"predecessor-version":[{"id":1185,"href":"https:\/\/blog.cithwu.com\/wp5444\/wp-json\/wp\/v2\/posts\/1184\/revisions\/1185"}],"wp:attachment":[{"href":"https:\/\/blog.cithwu.com\/wp5444\/wp-json\/wp\/v2\/media?parent=1184"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.cithwu.com\/wp5444\/wp-json\/wp\/v2\/categories?post=1184"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.cithwu.com\/wp5444\/wp-json\/wp\/v2\/tags?post=1184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}