{"id":8896,"date":"2018-12-21T15:38:33","date_gmt":"2018-12-21T07:38:33","guid":{"rendered":"http:\/\/4563.org\/?p=8896"},"modified":"2018-12-21T15:39:13","modified_gmt":"2018-12-21T07:39:13","slug":"debian-9%e5%90%af%e7%94%a8google-bbr%ef%bc%8c%e5%ae%9e%e7%8e%b0tcp%e5%8a%a0%e9%80%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=8896","title":{"rendered":"Debian 9\u542f\u7528Google BBR\uff0c\u5b9e\u73b0TCP\u52a0\u901f"},"content":{"rendered":"<article><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-745\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2017\/06\/Noname-4.jpg\" sizes=\"(max-width: 357px) 100vw, 357px\" srcset=\"http:\/\/4563.org\/wp-content\/uploads\/2017\/06\/Noname-4.jpg 357w, http:\/\/4563.org\/wp-content\/uploads\/2017\/06\/Noname-4-290x300.jpg 290w\" alt=\"\" width=\"357\" height=\"369\" \/><\/article>\n<article class=\"article-content\">\u7531\u4e8eDebian9\u9ed8\u8ba4\u76844.9\u5185\u6838\u7f16\u8bd1\u4e86TCP BBR\u7684\u5185\u5bb9\uff0c\u6240\u4ee5\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u53c2\u6570\u5f00\u542f\u3002\u4ee5\u4e0b\u5747\u5728SSH\u4e0b\u64cd\u4f5c\uff0c\u6700\u597d\u662froot\u7528\u6237\u3002<br \/>\n1\u3001\u4fee\u6539\u7cfb\u7edf\u53d8\u91cf<\/p>\n<pre class=\"prettyprint\"><code><span class=\"pln\">echo <\/span><span class=\"str\">\"net.core.default_qdisc=fq\"<\/span> <span class=\"pun\">&gt;&gt;<\/span> <span class=\"str\">\/etc\/<\/span><span class=\"pln\">sysctl<\/span><span class=\"pun\">.<\/span><span class=\"pln\">conf\r\necho <\/span><span class=\"str\">\"net.ipv4.tcp_congestion_control=bbr\"<\/span> <span class=\"pun\">&gt;&gt;<\/span> <span class=\"str\">\/etc\/<\/span><span class=\"pln\">sysctl<\/span><span class=\"pun\">.<\/span><span class=\"pln\">conf<\/span><\/code><\/pre>\n<p>2\u3001\u4fdd\u5b58\u751f\u6548<\/p>\n<pre class=\"prettyprint\"><code><span class=\"pln\">sysctl <\/span><span class=\"pun\">-<\/span><span class=\"pln\">p<\/span><\/code><\/pre>\n<p>3\u3001\u67e5\u770b\u5185\u6838\u662f\u5426\u5df2\u5f00\u542fBBR<\/p>\n<pre class=\"prettyprint\"><code><span class=\"pln\">sysctl net<\/span><span class=\"pun\">.<\/span><span class=\"pln\">ipv4<\/span><span class=\"pun\">.<\/span><span class=\"pln\">tcp_available_congestion_control<\/span><\/code><\/pre>\n<p>\u663e\u793a\u5982\u4e0b\u5185\u5bb9\u8868\u793a\u5f00\u542f\uff1a<\/p>\n<pre class=\"prettyprint\"><code><span class=\"pln\">sysctl net<\/span><span class=\"pun\">.<\/span><span class=\"pln\">ipv4<\/span><span class=\"pun\">.<\/span><span class=\"pln\">tcp_available_congestion_control\r\nnet<\/span><span class=\"pun\">.<\/span><span class=\"pln\">ipv4<\/span><span class=\"pun\">.<\/span><span class=\"pln\">tcp_available_congestion_control <\/span><span class=\"pun\">=<\/span><span class=\"pln\"> bbr cubic reno<\/span><\/code><\/pre>\n<p>4\u3001\u901a\u8fc7\u4e0a\u9762\u7684\u64cd\u4f5c\u5e94\u8be5\u5df2\u7ecf\u542f\u52a8\u4e86BBR\u3002\u518d\u770b\u4e0bBBR\u662f\u5426\u542f\u52a8\u3002<\/p>\n<pre class=\"prettyprint\"><code><span class=\"pln\">lsmod <\/span><span class=\"pun\">|<\/span><span class=\"pln\"> grep bbr<\/span><\/code><\/pre>\n<p>\u663e\u793a\u4ee5\u4e0b\u5373\u542f\u52a8\u6210\u529f\uff1a<\/p>\n<pre class=\"prettyprint\"><code><span class=\"pln\">lsmod <\/span><span class=\"pun\">|<\/span><span class=\"pln\"> grep bbr\r\ntcp_bbr                <\/span><span class=\"lit\">20480<\/span>  <span class=\"lit\">14<\/span><\/code><\/pre>\n<\/article>\n<div class=\"asb-post-footer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7531\u4e8eDebian9\u9ed8\u8ba4\u76844.9\u5185\u6838&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/8896"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8896"}],"version-history":[{"count":2,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/8896\/revisions"}],"predecessor-version":[{"id":8899,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/8896\/revisions\/8899"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8896"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}