https://github.com/google/bbr
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
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rpm -Uvh https://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm
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yum --enablerepo=elrepo-kernel install kernel-ml -y
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grub2-set-default 0
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reboot
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yum -y remove kernel kernel-tools
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echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf
echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf
sysctl -p
sysctl net.ipv4.tcp_available_congestion_control
##得到结果 net.ipv4.tcp_congestion_control = bbr
lsmod | grep bbr
##得到结果 tcp_bbr 20480 1
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创建一个文件,搭建http服务
dd if=/dev/zero of=500mb.zip bs=1024k count=500
访问 http://[your-server-IP]/500mb.zip 来测试下载速度~