{"id":336,"date":"2017-03-23T14:18:16","date_gmt":"2017-03-23T06:18:16","guid":{"rendered":"http:\/\/writingbaby.com\/?p=336"},"modified":"2017-03-23T14:18:16","modified_gmt":"2017-03-23T06:18:16","slug":"google-bbr-optimization-algorithm-to-achieve-tcp-acceleration","status":"publish","type":"post","link":"https:\/\/ihongchao.com\/post\/336\/","title":{"rendered":"Google BBR \u4f18\u5316\u7b97\u6cd5\uff0c\u5b9e\u73b0TCP\u52a0\u901f\u3010\u8f6c\u8f7d\u3011"},"content":{"rendered":"<p>\u8fd9\u662f2016\u5e749\u6708\u4efd\u624d\u5f00\u6e90\u7684\u4e00\u4e2a\u4f18\u5316\u7f51\u7edc\u62e5\u5835\u7684\u7b97\u6cd5\u3002<\/p>\n<p>\u76ee\u524d\u6700\u65b0\u7248\u672c\u7684Linux\u5185\u6838\uff084.9-rc8\uff09\u4e2d\u5df2\u7ecf\u96c6\u6210\u4e86\u8be5\u7b97\u6cd5\u3002<\/p>\n<p>\u636e\u5f88\u591a\u4eba\u53cd\u9988\uff0c\u901f\u5ea6\u6bd4\u9510\u901f\u8fd8\u5389\u5bb3\uff01\uff01<\/p>\n<p>\u6bd5\u7adf\u662f\u65b0\u9c9c\u7684\u4e1c\u897f\uff0c\u96be\u514d\u6709BUG\uff0c\u914c\u60c5\u4f7f\u7528\u3002<\/p>\n<h2 id=\"1\">\u66f4\u65b0\u52a8\u6001<\/h2>\n<p>2017\u5e742\u670816\u65e501:01:11<\/p>\n<p>\u65b0\u589e\u79cb\u6c34\u9038\u51b0\u4e00\u952e\u5b89\u88c5\u811a\u672c<\/p>\n<p>&nbsp;<\/p>\n<p>2016\u5e7412\u670813\u65e511:33:18<\/p>\n<p>\u65b0\u589eCentOS7 RMP \u5b89\u88c5BBR\u6b65\u9aa4\u8bf4\u660e<\/p>\n<p>\u65b0\u589eCentOS6\u4e00\u952e\u5b89\u88c5\u811a\u672c<\/p>\n<p>\u66f4\u65b0CentOS6 RMP\u5305\u5730\u5740\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"2\">\u5f00\u6e90\u5730\u5740<\/h2>\n<p>https:\/\/github.com\/google\/bbr<\/p>\n<p>\u6ce8\u610f\u8fd9\u4e0d\u662fGoogle\u5b98\u65b9\u7684\u4ea7\u54c1\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"3\">\u4f7f\u7528\u5fc5\u8bfb<\/h2>\n<p>\u4e0d\u652f\u6301OpenVZ\u865a\u62df\uff01<\/p>\n<p>\u5b89\u88c5\u524d\u9700\u8981\u5907\u4efd\u91cd\u8981\u6570\u636e\uff0c\u5b89\u88c5\u5b8c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u65e0\u6cd5\u542f\u52a8\uff01<\/p>\n<p>\u7cfb\u7edf\u65e0\u6cd5\u4fee\u6539\u8bf7\u5c1d\u8bd5\u4fee\u6539\u5f15\u5bfc\uff01\u6216\u8005\u91cd\u88c5\u7cfb\u7edf\uff01<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"4\">\u5b89\u88c5\u65b9\u5f0f<\/h2>\n<h3 id=\"5\">Debian8\/Ubuntu14<\/h3>\n<ul>\n<li>\u4e0b\u8f7d\u6700\u65b0\u5185\u6838,\u6700\u65b0\u5185\u6838\u67e5\u770b<a href=\"http:\/\/kernel.ubuntu.com\/~kernel-ppa\/mainline\">\u8fd9\u91cc<\/a><\/li>\n<li>\n<pre id=\"crayon-58d35014954a6799107330-1\" class=\"crayon-line\"><span class=\"crayon-e\">wget <\/span><span class=\"crayon-v\">http<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-c\">\/\/kernel.ubuntu.com\/~kernel-ppa\/mainline\/v4.9-rc8\/linux-image-4.9.0-040900rc8-generic_4.9.0-040900rc8.201612051443_amd64.deb<\/span><\/pre>\n<\/li>\n<\/ul>\n<ul>\n<li>\u5b89\u88c5\u5185\u6838<\/li>\n<li>\n<pre><span class=\"crayon-v\">dpkg<\/span> <span class=\"crayon-o\">-<\/span><span class=\"crayon-i\">i<\/span> <span class=\"crayon-v\">linux<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">image<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-cn\">4.9.0<\/span><span class=\"crayon-o\">*<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">deb<\/span><\/pre>\n<\/li>\n<\/ul>\n<ul>\n<li>\u5220\u9664\u5176\u4f59\u5185\u6838<\/li>\n<li>\n<pre id=\"crayon-58d35014954b6043003768-1\" class=\"crayon-line\"><span class=\"crayon-v\">dpkg<\/span> <span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">l<\/span><span class=\"crayon-o\">|<\/span><span class=\"crayon-e\">grep <\/span><span class=\"crayon-v\">linux<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-e\">image<\/span>\n\n<span class=\"crayon-e\">sudo <\/span><span class=\"crayon-v\">apt<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-e\">get <\/span><span class=\"crayon-e\">remove <\/span><span class=\"crayon-v\">linux<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">image<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-sy\">[<\/span><span class=\"crayon-i\">Tab<\/span>\u8865\u5168<span class=\"crayon-sy\">]<\/span> <span class=\"crayon-p\">#\u5220\u65e7\u5185\u6838\uff0c\u5728\u8fd9\u91cc\uff0c\u5c31\u662f\u628a\u7b2c\u4e00\u4e2a3.13\u7684\u5220\u6389<\/span><\/pre>\n<\/li>\n<\/ul>\n<ul>\n<li>\u66f4\u65b0 grub \u7cfb\u7edf\u5f15\u5bfc\u6587\u4ef6\u5e76\u91cd\u542f<\/li>\n<li>\n<pre id=\"crayon-58d35014954b9586857752-1\" class=\"crayon-line\"><span class=\"crayon-v\">update<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-e\">grub<\/span>\n\n<span class=\"crayon-v\">reboot<\/span><\/pre>\n<\/li>\n<\/ul>\n<ul>\n<li>\u5f00\u542fbbr<\/li>\n<li>\n<pre id=\"crayon-58d35014954bc790150651-1\" class=\"crayon-line\"><span class=\"crayon-i\">echo<\/span> <span class=\"crayon-s\">\"net.core.default_qdisc=fq\"<\/span> <span class=\"crayon-o\">&gt;&gt;<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">etc<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">sysctl<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">conf<\/span>\n\n<span class=\"crayon-i\">echo<\/span> <span class=\"crayon-s\">\"net.ipv4.tcp_congestion_control=bbr\"<\/span> <span class=\"crayon-o\">&gt;&gt;<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">etc<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">sysctl<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">conf<\/span><\/pre>\n<\/li>\n<\/ul>\n<p>\u4fdd\u5b58\u751f\u6548\u00a0<code>sysctl -p<\/code><br \/>\n\u6267\u884c\u00a0<code>sysctl net.ipv4.tcp_available_congestion_control<\/code><br \/>\n\u5982\u679c\u7ed3\u679c\u4e2d\u6709<code>bbr<\/code>, \u5219\u8bc1\u660e\u4f60\u7684\u5185\u6838\u5df2\u5f00\u542fbbr<br \/>\n\u6267\u884c<code>lsmod | grep bbr<\/code>, \u770b\u5230\u6709 tcp_bbr \u6a21\u5757\u5373\u8bf4\u660ebbr\u5df2\u542f\u52a8\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3 id=\"6\">CentOS7<\/h3>\n<p>\u8bc4\u8bba\u6709\u4eba\u5df2\u7ecf\u6210\u529f\u3002<\/p>\n<p><strong>1\uff09RMP\u5b89\u88c5\uff08\u63a8\u8350\uff09<\/strong><\/p>\n<p class=\"xs3\">\u5148\u66f4\u65b0\u52307.3\uff0c\u5b89\u88c5elrepo\u5b98\u65b94.9\u6b63\u5f0f\u7248<\/p>\n<p>YUM \u66f4\u65b0<\/p>\n<pre><span class=\"crayon-e\">yum <\/span><span class=\"crayon-v\">update<\/span> <span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">y<\/span><\/pre>\n<p>\u67e5\u770b\u5185\u6838\u7248\u672c<\/p>\n<pre id=\"crayon-58d35014954d2967196275-1\" class=\"crayon-line\"><span class=\"crayon-v\">cat<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">etc<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">redhat<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">release<\/span>\n\n<span class=\"crayon-p\">#CentOS Linux release 7.3.1611 (Core)<\/span><\/pre>\n<p>\u5b89\u88c5RPM<\/p>\n<pre id=\"crayon-58d35014954d6426053132-1\" class=\"crayon-line\"><span class=\"crayon-v\">rpm<\/span> <span class=\"crayon-o\">--<\/span><span class=\"crayon-e\">import <\/span><span class=\"crayon-v\">https<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-c\">\/\/www.elrepo.org\/RPM-GPG-KEY-elrepo.org<\/span>\n\n<span class=\"crayon-v\">rpm<\/span> <span class=\"crayon-o\">-<\/span><span class=\"crayon-e\">Uvh <\/span><span class=\"crayon-v\">http<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-c\">\/\/www.elrepo.org\/elrepo-release-7.0-2.el7.elrepo.noarch.rpm<\/span><\/pre>\n<p>\u4fee\u6539elrepo\u8ba9yum update\u53ef\u7528<\/p>\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d35014954d8420520724-1\" class=\"crayon-line\"><span class=\"crayon-v\">vim<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">etc<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">yum<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">repos<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">d<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">elrepo<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">repo<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u628aenabled=0\u6539\u6210enabled=1<br \/>\n\u7136\u540e\u4fdd\u5b58\u4e4b\u540eyum update -y\uff0c\u5c31\u4f1a\u66f4\u65b0\u5230elrepo\u6b63\u5f0f\u72484.9\u5185\u6838\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u5f00\u542fbbr<\/p>\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d35014954db639460636-1\" class=\"crayon-line\"><span class=\"crayon-v\">vim<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">etc<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">sysctl<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">conf<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u52a0\u4e24\u884c\uff1a<\/p>\n<pre id=\"crayon-58d35014954de148524618-1\" class=\"crayon-line\"><span class=\"crayon-v\">net<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">core<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">default_qdisc<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-e\">fq<\/span>\n\n<span class=\"crayon-v\">net<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">ipv4<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">tcp_congestion_control<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-v\">bbr<\/span><\/pre>\n<p>\u4fdd\u5b58\u751f\u6548\u00a0<code>sysctl -p<\/code><\/p>\n<p>&nbsp;<\/p>\n<p><strong>2\uff09 \u7f16\u8bd1\u5b89\u88c5<\/strong><\/p>\n<pre id=\"crayon-58d35014954e0469903289-1\" class=\"crayon-line\"><span class=\"crayon-e\">wget <\/span><span class=\"crayon-v\">http<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-c\">\/\/mirrors.kernel.org\/debian\/pool\/main\/l\/linux\/linux-image-4.9.0-rc8-amd64-unsigned_4.9~rc8-1~exp1_amd64.deb<\/span>\n\n<span class=\"crayon-i\">ar<\/span> <span class=\"crayon-i\">x<\/span> <span class=\"crayon-v\">linux<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">image<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-cn\">4.9.0<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">rc8<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">amd64<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">unsigned_4<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-cn\">9<\/span><span class=\"crayon-o\">~<\/span><span class=\"crayon-v\">rc8<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-cn\">1<\/span><span class=\"crayon-o\">~<\/span><span class=\"crayon-v\">exp1_amd64<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">deb<\/span>\n\n<span class=\"crayon-v\">tar<\/span> <span class=\"crayon-o\">-<\/span><span class=\"crayon-e\">Jxf <\/span><span class=\"crayon-v\">data<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">tar<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">xz<\/span>\n\n\u00a0\n\n\n<span class=\"crayon-v\">install<\/span> <span class=\"crayon-o\">-<\/span><span class=\"crayon-e\">m644 <\/span><span class=\"crayon-v\">boot<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">vmlinuz<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-cn\">4.9.0<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">rc8<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">amd64<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">boot<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">vmlinuz<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-cn\">4.9.0<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">rc8<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-e\">amd64<\/span>\n\n\u00a0\n\n\n<span class=\"crayon-v\">cp<\/span> <span class=\"crayon-o\">-<\/span><span class=\"crayon-e\">Rav <\/span><span class=\"crayon-v\">lib<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">modules<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-cn\">4.9.0<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">rc8<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">amd64<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">lib<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">modules<\/span><span class=\"crayon-o\">\/<\/span>\n\n<span class=\"crayon-v\">depmod<\/span> <span class=\"crayon-o\">-<\/span><span class=\"crayon-i\">a<\/span> <span class=\"crayon-cn\">4.9.0<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">rc8<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">amd64<\/span>\n\n<span class=\"crayon-p\">#centos &gt;= 6<\/span>\n\n<span class=\"crayon-v\">dracut<\/span> <span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">f<\/span> <span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">v<\/span> <span class=\"crayon-o\">--<\/span><span class=\"crayon-v\">hostonly<\/span> <span class=\"crayon-o\">-<\/span><span class=\"crayon-i\">k<\/span> <span class=\"crayon-s\">'\/lib\/modules\/4.9.0-rc8-amd64'<\/span><span class=\"crayon-h\">\u00a0\u00a0<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">boot<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">initramfs<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-cn\">4.9.0<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">rc8<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">amd64<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-i\">img<\/span> <span class=\"crayon-cn\">4.9.0<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">rc8<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-e\">amd64<\/span>\n\n\u00a0\n\n\n<span class=\"crayon-v\">grub2<\/span><span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">mkconfig<\/span> <span class=\"crayon-o\">-<\/span><span class=\"crayon-v\">o<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">boot<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">grub2<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">grub<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">cfg<\/span><\/pre>\n<p>\u7136\u540e\u4fee\u6539\u7cfb\u7edf\u542f\u52a8\u5f15\u5bfc\u6587\u4ef6\uff1a<\/p>\n<div id=\"crayon-58d35014954e3275253271\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d35014954e3275253271-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d35014954e3275253271-1\" class=\"crayon-line\"><span class=\"crayon-v\">vi<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">etc<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">grub<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">conf<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u9700\u8981\u4fee\u6539Grub\u5f15\u5bfc\u987a\u5e8f\uff0c\u8ba9\u65b0\u5b89\u88c5\u7684\u5185\u6838\u4f5c\u4e3a\u9ed8\u8ba4\u5185\u6838\u3002<\/p>\n<p>\u6216\u8005\u6267\u884c\uff1a<\/p>\n<div id=\"crayon-58d35014954e6895845724\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d35014954e6895845724-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d35014954e6895845724-1\" class=\"crayon-line\"><span class=\"crayon-v\">grub2<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">set<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-st\">default<\/span> <span class=\"crayon-s\">&#8220;CentOS Linux (4.9.0-rc8-amd64) 7 (Core)&#8221;<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u7136\u540e\u91cd\u542f<\/p>\n<div id=\"crayon-58d35014954e8027724271\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d35014954e8027724271-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d35014954e8027724271-1\" class=\"crayon-line\"><span class=\"crayon-v\">reboot<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u91cd\u542f\u540e\uff0c\u67e5\u770b\u5185\u6838\u662f\u5426\u5b89\u88c5\u6210\u529f\u3002<\/p>\n<div id=\"crayon-58d35014954eb331160364\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d35014954eb331160364-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d35014954eb331160364-1\" class=\"crayon-line\"><span class=\"crayon-v\">uname<\/span> <span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">r<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u5f00\u542fbbr<\/p>\n<p>\u636e\u4eba\u53cd\u9988\uff1a\u5148\u628a\/etc\/sysctl.conf \u6587\u4ef6\u4e2d \u5173\u4e8e net.ipv4.tcp_congestion_control\u7684\u914d\u7f6e\u6ce8\u91ca\u6389\u3002<\/p>\n<div id=\"crayon-58d35014954ee664339028\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d35014954ee664339028-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-58d35014954ee664339028-2\">2<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d35014954ee664339028-1\" class=\"crayon-line\"><span class=\"crayon-i\">echo<\/span> <span class=\"crayon-s\">&#8220;net.core.default_qdisc=fq&#8221;<\/span> <span class=\"crayon-o\">&gt;&gt;<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">etc<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">sysctl<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">conf<\/span><\/div>\n<div id=\"crayon-58d35014954ee664339028-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-i\">echo<\/span> <span class=\"crayon-s\">&#8220;net.ipv4.tcp_congestion_control=bbr&#8221;<\/span> <span class=\"crayon-o\">&gt;&gt;<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">etc<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">sysctl<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">conf<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u4fdd\u5b58\u751f\u6548\u00a0<code>sysctl -p<\/code><br \/>\n\u6267\u884c\u00a0<code>sysctl net.ipv4.tcp_available_congestion_control<\/code><br \/>\n\u5982\u679c\u7ed3\u679c\u4e2d\u6709<code>bbr<\/code>, \u5219\u8bc1\u660e\u4f60\u7684\u5185\u6838\u5df2\u5f00\u542fbbr<br \/>\n\u6267\u884c<code>lsmod | grep bbr<\/code>, \u770b\u5230\u6709 tcp_bbr \u6a21\u5757\u5373\u8bf4\u660ebbr\u5df2\u542f\u52a8\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3 id=\"7\">CentOS6<\/h3>\n<p>&nbsp;<\/p>\n<p><strong>1\uff09\u4e00\u952e\u5b89\u88c5\uff08\u63a8\u8350\uff09<\/strong><\/p>\n<p>\u5b89\u88c5\u811a\u672c\uff08\u5f00\u6e90\u5730\u5740\uff1ahttps:\/\/github.com\/52fancy\/GooGle-BBR\uff09<\/p>\n<div id=\"crayon-58d35014954f1983416694\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d35014954f1983416694-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d35014954f1983416694-1\" class=\"crayon-line\"><span class=\"crayon-v\">wget<\/span> <span class=\"crayon-o\">&#8212;<\/span><span class=\"crayon-v\">no<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">check<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-e\">certificate <\/span><span class=\"crayon-v\">https<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-c\">\/\/github.com\/52fancy\/GooGle-BBR\/raw\/master\/BBR.sh &amp;&amp; sh BBR.sh<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u4e4b\u540e\u91cd\u542f\u670d\u52a1\u5668\u5373\u53ef<\/p>\n<p>\u9a8c\u8bc1\u662f\u5426\u5b89\u88c5\u6210\u529f<\/p>\n<div id=\"crayon-58d35014954f3968213456\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d35014954f3968213456-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d35014954f3968213456-1\" class=\"crayon-line\"><span class=\"crayon-v\">lsmod<\/span> <span class=\"crayon-o\">|<\/span> <span class=\"crayon-e\">grep <\/span><span class=\"crayon-v\">bbr<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u5982\u679c\u7ed3\u679c\u663e\u793abbr\u5b89\u88c5\u6210\u529f\u3002<\/p>\n<p>\u5982\u679c\u5931\u8d25\uff0c\u8bf7\u5c1d\u8bd5RMP\u5b89\u88c5\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>2\uff09RMP\u5b89\u88c5<\/strong><\/p>\n<p>RMP \u5730\u5740\uff1ahttps:\/\/elrepo.org\/linux\/kernel\/<\/p>\n<p>&nbsp;<\/p>\n<div id=\"crayon-58d35014954f6992797785\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d35014954f6992797785-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-58d35014954f6992797785-2\">2<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d35014954f6992797785-1\" class=\"crayon-line\"><span class=\"crayon-v\">rpm<\/span> <span class=\"crayon-o\">&#8212;<\/span><span class=\"crayon-e\">import <\/span><span class=\"crayon-v\">https<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-c\">\/\/www.elrepo.org\/RPM-GPG-KEY-elrepo.org<\/span><\/div>\n<div id=\"crayon-58d35014954f6992797785-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-e\">yum <\/span><span class=\"crayon-v\">install<\/span> <span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-i\">y<\/span> <span class=\"crayon-v\">https<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-c\">\/\/elrepo.org\/linux\/kernel\/el7\/x86_64\/RPMS\/kernel-ml-4.9.0-1.el7.elrepo.x86_64.rpm<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p><del>CAC CentOS6 \u7cfb\u7edf\u53ef\u76f4\u63a5\u6267\u884c\u4ee5\u4e0b\u4ee3\u7801(\u4ee5\u4e0b\u4ee3\u7801\u5df2\u7ecf\u5931\u6548)<\/del><\/p>\n<div id=\"crayon-58d35014954f9787637074\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d35014954f9787637074-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-58d35014954f9787637074-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-58d35014954f9787637074-3\">3<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d35014954f9787637074-1\" class=\"crayon-line\"><span class=\"crayon-p\">####\u6b64\u4ee3\u7801\u5df2\u7ecf\u5931\u6548####<\/span><\/div>\n<div id=\"crayon-58d35014954f9787637074-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-v\">rpm<\/span> <span class=\"crayon-o\">&#8212;<\/span><span class=\"crayon-e\">import <\/span><span class=\"crayon-v\">https<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-c\">\/\/www.elrepo.org\/RPM-GPG-KEY-elrepo.org<\/span><\/div>\n<div id=\"crayon-58d35014954f9787637074-3\" class=\"crayon-line\"><span class=\"crayon-e\">yum <\/span><span class=\"crayon-v\">install<\/span> <span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-i\">y<\/span> <span class=\"crayon-v\">http<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-c\">\/\/elrepo.org\/people\/ajb\/devel\/kernel-ml\/el6\/x86_64\/RPMS\/kernel-ml-devel-4.9.0-0.rc8.el6.elrepo.x86_64.rpm<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>\u5b89\u88c5\u5b8c\u6210\uff0c\u4fee\u6539\u542f\u52a8\u5f15\u5bfc\u3002\uff08\u81ea\u5df1\u767e\u5ea6vi \u547d\u4ee4\u7528\u6cd5\uff09<\/p>\n<div id=\"crayon-58d35014954fb639269782\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d35014954fb639269782-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d35014954fb639269782-1\" class=\"crayon-line\"><span class=\"crayon-v\">vi<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">etc<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">grub<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">conf<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u4fee\u6539\u6210 default=0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/ww3.sinaimg.cn\/mw690\/699c2d0fjw1faji9xm4p1j20vl0bsq88.jpg\" width=\"690\" height=\"257\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u4fdd\u5b58\u7136\u540e\u91cd\u542f<\/p>\n<div id=\"crayon-58d35014954fe828023630\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d35014954fe828023630-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d35014954fe828023630-1\" class=\"crayon-line\"><span class=\"crayon-v\">reboot<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u91cd\u542f\u540e\uff0c\u67e5\u770b\u5185\u6838\u662f\u5426\u5b89\u88c5\u6210\u529f\u3002<\/p>\n<div id=\"crayon-58d3501495501222121219\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495501222121219-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d3501495501222121219-1\" class=\"crayon-line\"><span class=\"crayon-v\">uname<\/span> <span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">r<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u5f00\u542fbbr<\/p>\n<p>\u636e\u4eba\u53cd\u9988\uff1a\u5148\u628a\/etc\/sysctl.conf \u6587\u4ef6\u4e2d \u5173\u4e8e net.ipv4.tcp_congestion_control\u7684\u914d\u7f6e\u6ce8\u91ca\u6389\u3002<\/p>\n<div id=\"crayon-58d3501495504841562585\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495504841562585-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-58d3501495504841562585-2\">2<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d3501495504841562585-1\" class=\"crayon-line\"><span class=\"crayon-i\">echo<\/span> <span class=\"crayon-s\">&#8220;net.core.default_qdisc=fq&#8221;<\/span> <span class=\"crayon-o\">&gt;&gt;<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">etc<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">sysctl<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">conf<\/span><\/div>\n<div id=\"crayon-58d3501495504841562585-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-i\">echo<\/span> <span class=\"crayon-s\">&#8220;net.ipv4.tcp_congestion_control=bbr&#8221;<\/span> <span class=\"crayon-o\">&gt;&gt;<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">etc<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">sysctl<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">conf<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u4fdd\u5b58\u751f\u6548\u00a0<code>sysctl -p<\/code><br \/>\n\u6267\u884c\u00a0<code>sysctl net.ipv4.tcp_available_congestion_control<\/code><br \/>\n\u5982\u679c\u7ed3\u679c\u4e2d\u6709<code>bbr<\/code>, \u5219\u8bc1\u660e\u4f60\u7684\u5185\u6838\u5df2\u5f00\u542fbbr<br \/>\n\u6267\u884c<code>lsmod | grep bbr<\/code>, \u770b\u5230\u6709 tcp_bbr \u6a21\u5757\u5373\u8bf4\u660ebbr\u5df2\u542f\u52a8\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/ww3.sinaimg.cn\/mw690\/699c2d0fjw1fajic3fv7kj20mu0e2gq7.jpg\" width=\"690\" height=\"425\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u7f16\u8bd1\u5b89\u88c5\uff08\u4e0d\u63a8\u8350\uff09<\/strong><\/p>\n<p>\u901f\u5ea6\u8f83\u6162\u3002<\/p>\n<div id=\"crayon-58d3501495506742871006\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495506742871006-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-58d3501495506742871006-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495506742871006-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-58d3501495506742871006-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495506742871006-5\">5<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-58d3501495506742871006-6\">6<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495506742871006-7\">7<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-58d3501495506742871006-8\">8<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495506742871006-9\">9<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-58d3501495506742871006-10\">10<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495506742871006-11\">11<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-58d3501495506742871006-12\">12<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495506742871006-13\">13<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-58d3501495506742871006-14\">14<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495506742871006-15\">15<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d3501495506742871006-1\" class=\"crayon-line\"><span class=\"crayon-e\">yum <\/span><span class=\"crayon-e\">install <\/span><span class=\"crayon-e\">vim <\/span><span class=\"crayon-e\">wget <\/span><span class=\"crayon-e\">gcc <\/span><span class=\"crayon-v\">gcc<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">c<\/span><span class=\"crayon-o\">++<\/span> <span class=\"crayon-e\">xz <\/span><span class=\"crayon-e\">bc <\/span><span class=\"crayon-v\">ncurses<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-e\">devel <\/span><span class=\"crayon-e\">hmaccalc <\/span><span class=\"crayon-v\">zlib<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-e\">devel <\/span><span class=\"crayon-v\">binutils<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-e\">devel <\/span><span class=\"crayon-v\">elfutils<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">libelf<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-e\">devel <\/span><span class=\"crayon-v\">openssl<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">devel<\/span> <span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-i\">y<\/span><\/div>\n<div id=\"crayon-58d3501495506742871006-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-v\">cd<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">usr<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">local<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">src<\/span><span class=\"crayon-o\">\/<\/span><\/div>\n<div id=\"crayon-58d3501495506742871006-3\" class=\"crayon-line\"><span class=\"crayon-e\">wget <\/span><span class=\"crayon-v\">https<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-c\">\/\/cdn.kernel.org\/pub\/linux\/kernel\/v4.x\/testing\/linux-4.9-rc8.tar.xz<\/span><\/div>\n<div id=\"crayon-58d3501495506742871006-4\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-e\">tar <\/span><span class=\"crayon-e\">xvJf <\/span><span class=\"crayon-v\">linux<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">4.9<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">rc8<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">tar<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">xz<\/span><\/div>\n<div id=\"crayon-58d3501495506742871006-5\" class=\"crayon-line\"><span class=\"crayon-e\">cd <\/span><span class=\"crayon-v\">linux<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">4.9<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-e\">rc8<\/span><\/div>\n<div id=\"crayon-58d3501495506742871006-6\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-e\">make <\/span><span class=\"crayon-e\">menuconfig<\/span><\/div>\n<div id=\"crayon-58d3501495506742871006-7\" class=\"crayon-line\"><span class=\"crayon-v\">uname<\/span> <span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">r<\/span><\/div>\n<div id=\"crayon-58d3501495506742871006-8\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-p\">#2.6.32-573.3.1.el6.x86_64<\/span><\/div>\n<div id=\"crayon-58d3501495506742871006-9\" class=\"crayon-line\"><span class=\"crayon-v\">cp<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">boot<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">config<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">2.6.32<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">573.3.1.el6.x86_64<\/span> <span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">config<\/span><\/div>\n<div id=\"crayon-58d3501495506742871006-10\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-p\">#cp: overwrite `.config&#8217;? #\u8f93\u5165y<\/span><\/div>\n<div id=\"crayon-58d3501495506742871006-11\" class=\"crayon-line\"><\/div>\n<div id=\"crayon-58d3501495506742871006-12\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-e\">sudo <\/span><span class=\"crayon-v\">sh<\/span> <span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-i\">c<\/span> <span class=\"crayon-s\">&#8216;yes &#8220;&#8221; | make oldconfig&#8217;<\/span><\/div>\n<div id=\"crayon-58d3501495506742871006-13\" class=\"crayon-line\"><span class=\"crayon-v\">make<\/span> <span class=\"crayon-p\">#\u6267\u884c\u6bd4\u8f83\u4e45\uff0c\u53ef\u4ee5\u53bb\u770b\u4e00\u96c6\u7535\u89c6\u5267<\/span><\/div>\n<div id=\"crayon-58d3501495506742871006-14\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-e\">make <\/span><span class=\"crayon-e\">modules_install <\/span><span class=\"crayon-v\">install<\/span><span class=\"crayon-p\">#\u5ffd\u7565\u63d0\u793acould not find module vmware_balloon<\/span><\/div>\n<div id=\"crayon-58d3501495506742871006-15\" class=\"crayon-line\"><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>\u4fee\u6539Grub\u5f15\u5bfc\u987a\u5e8f\uff0c\u8ba9\u65b0\u5b89\u88c5\u7684\u5185\u6838\u4f5c\u4e3a\u9ed8\u8ba4\u5185\u6838\u3002default = 0<\/p>\n<div id=\"crayon-58d3501495509540937869\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495509540937869-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d3501495509540937869-1\" class=\"crayon-line\"><span class=\"crayon-v\">vi<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">boot<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">grub<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">menu<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">lst<\/span> <span class=\"crayon-p\">#\u4fee\u6539\u542f\u52a8\u9879<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u91cd\u542f<\/p>\n<div id=\"crayon-58d350149550c802387560\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d350149550c802387560-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d350149550c802387560-1\" class=\"crayon-line\"><span class=\"crayon-v\">reboot<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u91cd\u542f\u540e\uff0c\u67e5\u770b\u5185\u6838\u662f\u5426\u5b89\u88c5\u6210\u529f\u3002<\/p>\n<div id=\"crayon-58d350149550f763473748\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d350149550f763473748-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d350149550f763473748-1\" class=\"crayon-line\"><span class=\"crayon-v\">uname<\/span> <span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">r<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u5f00\u542fbbr<\/p>\n<p>\u636e\u4eba\u53cd\u9988\uff1a\u5148\u628a\/etc\/sysctl.conf \u6587\u4ef6\u4e2d \u5173\u4e8e net.ipv4.tcp_congestion_control\u7684\u914d\u7f6e\u6ce8\u91ca\u6389\u3002<\/p>\n<div id=\"crayon-58d3501495511665832477\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495511665832477-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-58d3501495511665832477-2\">2<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d3501495511665832477-1\" class=\"crayon-line\"><span class=\"crayon-i\">echo<\/span> <span class=\"crayon-s\">&#8220;net.core.default_qdisc=fq&#8221;<\/span> <span class=\"crayon-o\">&gt;&gt;<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">etc<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">sysctl<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">conf<\/span><\/div>\n<div id=\"crayon-58d3501495511665832477-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-i\">echo<\/span> <span class=\"crayon-s\">&#8220;net.ipv4.tcp_congestion_control=bbr&#8221;<\/span> <span class=\"crayon-o\">&gt;&gt;<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">etc<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">sysctl<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">conf<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u4fdd\u5b58\u751f\u6548\u00a0<code>sysctl -p<\/code><br \/>\n\u6267\u884c\u00a0<code>sysctl net.ipv4.tcp_available_congestion_control<\/code><br \/>\n\u5982\u679c\u7ed3\u679c\u4e2d\u6709<code>bbr<\/code>, \u5219\u8bc1\u660e\u4f60\u7684\u5185\u6838\u5df2\u5f00\u542fbbr<br \/>\n\u6267\u884c<code>ps -ef| grep bbr<\/code>, \u770b\u5230\u6709 tcp_bbr \u6a21\u5757\u5373\u8bf4\u660ebbr\u5df2\u542f\u52a8\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"8\">\u4e00\u952e\u5b89\u88c5<\/h2>\n<p>\u672c\u811a\u672c\u4e3a\u79cb\u6c34\u9038\u51b0\u7684\u4e00\u952e\u5b89\u88c5\u3002<\/p>\n<p>\u7cfb\u7edf\u652f\u6301\uff1aCentOS 6+\uff0cDebian 7+\uff0cUbuntu 12+<br \/>\n\u865a\u62df\u6280\u672f\uff1aOpenVZ \u4ee5\u5916\u7684\uff08KVM\u3001Xen\u3001VMware\u7b49\uff09<br \/>\n\u5185\u5b58\u8981\u6c42\uff1a\u2265128M<\/p>\n<p>&nbsp;<\/p>\n<div id=\"crayon-58d3501495514484989624\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495514484989624-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-58d3501495514484989624-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495514484989624-3\">3<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d3501495514484989624-1\" class=\"crayon-line\"><span class=\"crayon-v\">wget<\/span> <span class=\"crayon-o\">&#8212;<\/span><span class=\"crayon-v\">no<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">check<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-e\">certificate <\/span><span class=\"crayon-v\">https<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-c\">\/\/github.com\/teddysun\/across\/raw\/master\/bbr.sh<\/span><\/div>\n<div id=\"crayon-58d3501495514484989624-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-v\">chmod<\/span> <span class=\"crayon-o\">+<\/span><span class=\"crayon-i\">x<\/span> <span class=\"crayon-v\">bbr<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-i\">sh<\/span><\/div>\n<div id=\"crayon-58d3501495514484989624-3\" class=\"crayon-line\"><span class=\"crayon-sy\">.<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">bbr<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">sh<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u811a\u672c\u4f1a\u63d0\u793a\u9700\u8981\u91cd\u542f VPS\uff0c\u8f93\u5165 y \u5e76\u56de\u8f66\u540e\u91cd\u542f\u3002<br \/>\n\u91cd\u542f\u5b8c\u6210\u540e\uff0c\u8fdb\u5165 VPS\uff0c\u9a8c\u8bc1\u4e00\u4e0b\u662f\u5426\u6210\u529f\u5b89\u88c5\u6700\u65b0\u5185\u6838\u5e76\u5f00\u542f TCP BBR\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<div id=\"crayon-58d3501495517214745632\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495517214745632-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d3501495517214745632-1\" class=\"crayon-line\"><span class=\"crayon-v\">uname<\/span> <span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">r<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u67e5\u770b\u5185\u6838\u7248\u672c\uff0c\u542b\u6709 4.9 \u5c31\u8868\u793a OK \u4e86<\/p>\n<div id=\"crayon-58d3501495519449466763\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495519449466763-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d3501495519449466763-1\" class=\"crayon-line\"><span class=\"crayon-e\">sysctl <\/span><span class=\"crayon-v\">net<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">ipv4<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">tcp_available_congestion_control<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u8fd4\u56de\u503c\u4e00\u822c\u4e3a\uff1a<br \/>\nnet.ipv4.tcp_available_congestion_control = bbr cubic reno<\/p>\n<div id=\"crayon-58d350149551c940705400\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d350149551c940705400-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d350149551c940705400-1\" class=\"crayon-line\"><span class=\"crayon-e\">sysctl <\/span><span class=\"crayon-v\">net<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">ipv4<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">tcp_congestion_control<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u8fd4\u56de\u503c\u4e00\u822c\u4e3a\uff1a<br \/>\nnet.ipv4.tcp_congestion_control = bbr<\/p>\n<div id=\"crayon-58d350149551f850480246\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d350149551f850480246-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d350149551f850480246-1\" class=\"crayon-line\"><span class=\"crayon-e\">sysctl <\/span><span class=\"crayon-v\">net<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">core<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">default_qdisc<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u8fd4\u56de\u503c\u4e00\u822c\u4e3a\uff1a<br \/>\nnet.core.default_qdisc = fq<\/p>\n<div id=\"crayon-58d3501495522226902701\" class=\"crayon-syntax crayon-theme-github crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover disable-anim\">\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"hide\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-58d3501495522226902701-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-58d3501495522226902701-1\" class=\"crayon-line\"><span class=\"crayon-v\">lsmod<\/span> <span class=\"crayon-o\">|<\/span> <span class=\"crayon-e\">grep <\/span><span class=\"crayon-v\">bbr<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u8fd4\u56de\u503c\u6709 tcp_bbr \u6a21\u5757\u5373\u8bf4\u660ebbr\u5df2\u542f\u52a8\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"9\">\u6d4b\u8bd5\u6548\u679c<\/h2>\n<p>\u4f7f\u7528 <a href=\"http:\/\/51.ruyo.net\/p\/1735.html\">CloudAtCost<\/a>\u00a0\u5c0fJJ\uff0c\u5b89\u88c5SS\u6d4b\u8bd5\u4e86\u4e00\u4e0b\u3002<\/p>\n<p>\u660e\u663e\u6ca1\u6709\u9510\u901f\u6548\u679c\u597d\u3002<\/p>\n<p>\u4e0d\u77e5\u9053\u5efa\u7ad9\u4f1a\u600e\u4e48\u6837\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f2016\u5e749\u6708\u4efd\u624d\u5f00\u6e90\u7684\u4e00\u4e2a\u4f18\u5316\u7f51\u7edc\u62e5\u5835\u7684\u7b97\u6cd5\u3002 \u76ee\u524d\u6700\u65b0\u7248\u672c\u7684Linux\u5185\u6838\uff084.9-rc8\uff09\u4e2d\u5df2\u7ecf\u96c6\u6210 &hellip; <a href=\"https:\/\/ihongchao.com\/post\/336\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">Google BBR \u4f18\u5316\u7b97\u6cd5\uff0c\u5b9e\u73b0TCP\u52a0\u901f\u3010\u8f6c\u8f7d\u3011<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"_links":{"self":[{"href":"https:\/\/ihongchao.com\/wp-json\/wp\/v2\/posts\/336"}],"collection":[{"href":"https:\/\/ihongchao.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ihongchao.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ihongchao.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ihongchao.com\/wp-json\/wp\/v2\/comments?post=336"}],"version-history":[{"count":0,"href":"https:\/\/ihongchao.com\/wp-json\/wp\/v2\/posts\/336\/revisions"}],"wp:attachment":[{"href":"https:\/\/ihongchao.com\/wp-json\/wp\/v2\/media?parent=336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ihongchao.com\/wp-json\/wp\/v2\/categories?post=336"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ihongchao.com\/wp-json\/wp\/v2\/tags?post=336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}