[TQ测试] Fxtransit HK AXIS 香港优化产品测试

拉完了

自动打3折9刀

TCP调优了吗。官方有参数

@coldsword #2 确实，一个月9刀还差不多。

@Laizer #4 别说，我担心真9刀卖

@prinze #3 参数能给一下吗？我再试试。镜像里面默认是开了bbr+fq的。我自己调了一下，iperf3拉了一下，速度也一般，而且现在还不是晚高峰。

@Laizer #6 cur=$(sysctl -n net.ipv4.tcp_congestion_control) if ! { case "$cur" in bbr?*) true ;; *) sudo modprobe tcp_bbr 2>/dev/null; grep -qw bbr /proc/sys/net/ipv4/tcp_available_congestion_control ;; esac; }; then echo "当前内核不支持 BBR，未做任何修改" else [ -e /etc/sysctl.d/omnitt-tcp.backup ] || for k in net.core.default_qdisc net.ipv4.tcp_congestion_control net.ipv4.tcp_wmem net.ipv4.tcp_rmem net.core.wmem_max net.core.rmem_max net.ipv4.tcp_notsent_lowat net.ipv4.tcp_mtu_probing net.ipv4.tcp_slow_start_after_idle; do echo "$k = $(sysctl -n $k)"; done | sudo tee /etc/sysctl.d/omnitt-tcp.backup >/dev/null sudo tee /etc/sysctl.d/99-omnitt-tcp.conf >/dev/null <<'EOF' # TCP 迷之调参 V6 · https://omnitt.com/ # 公平队列，为 BBR 提供发包节奏（pacing） net.core.default_qdisc = fq # BBR：不把丢包当作拥塞，有丢包的线路上仍保持高速 net.ipv4.tcp_congestion_control = bbr # 发送缓冲上限：随带宽与延迟连续变化，按内存预算封顶 net.ipv4.tcp_wmem = 4096 16384 138915348 # 接收缓冲上限：随带宽与延迟连续变化，按内存预算封顶 net.ipv4.tcp_rmem = 4096 131072 138915348 # 让显式设置 SO_SNDBUF 的程序也能用到同样的上限 net.core.wmem_max = 138915348 # 让显式设置 SO_RCVBUF 的程序也能用到同样的上限 net.core.rmem_max = 138915348 # 限制未发送数据堆积，降低应用层延迟 net.ipv4.tcp_notsent_lowat = 131072 # 仅在检测到 ICMP 黑洞时启用 MTU 探测 net.ipv4.tcp_mtu_probing = 1 # 长连接空闲后不重置拥塞窗口 net.ipv4.tcp_slow_start_after_idle = 0 EOF case "$cur" in bbr?*) sudo sed -i "s/^net\.ipv4\.tcp_congestion_control = bbr\$/net.ipv4.tcp_congestion_control = $cur/" /etc/sysctl.d/99-omnitt-tcp.conf ;; esac sudo sysctl --system >/dev/null dev=$(ip route show default | awk '{for (i = 1; i < NF; i++) if ($i == "dev") { print $(i + 1); exit }}') q=$(sysctl -n net.core.default_qdisc) root=$(tc qdisc show dev "$dev" root 2>/dev/null | awk 'NR == 1 {print $2}') if [ "$root" = mq ]; then [ "$(tc qdisc show dev "$dev" root | awk 'NR == 1 {print $3}')" = 1: ] && h=2: || h=1: sudo tc qdisc replace dev "$dev" root handle "$h" mq elif [ -n "$root" ] && [ "$root" != noqueue ]; then sudo tc qdisc replace dev "$dev" root "$q" fi conflicts=$(grep -sE '^[[:space:]]*(net\.core\.default_qdisc|net\.ipv4\.tcp_congestion_control|net\.ipv4\.tcp_wmem|net\.ipv4\.tcp_rmem|net\.core\.wmem_max|net\.core\.rmem_max|net\.ipv4\.tcp_notsent_lowat|net\.ipv4\.tcp_mtu_probing|net\.ipv4\.tcp_slow_start_after_idle)[[:space:]]*=' /etc/sysctl.conf) [ -n "$conflicts" ] && printf '注意：/etc/sysctl.conf 中以下设置会覆盖 V6，删除后执行 sudo sysctl --system：\n%s\n' "$conflicts" cc=$(sysctl -n net.ipv4.tcp_congestion_control) qd=$(tc qdisc show dev "$dev" 2>/dev/null | awk '$2 != "mq" {print $2; exit}') stale=$(ss -tni state established 2>/dev/null | grep -E '^[[:space:]]' | grep -cvw "$cc") echo "已应用：拥塞控制 $cc，网卡 ${dev:-?} 队列 ${qd:-未知}；回滚命令见页面" [ "${stale:-0}" -gt 0 ] && echo "注意：$stale 条已建立的连接（含当前 SSH）仍用原算法；代理隧道等长连接需重启代理服务或重连后才生效" ver=; case "$cc" in bbr2) ver=v2 ;; bbr3) ver=v3 ;; bbr) [ "$(cat /sys/module/tcp_bbr/version 2>/dev/null)" = 3 ] && ver=v3 ;; esac [ -n "$ver" ] && echo "重要：当前为 BBR$ver（非主线内核自带的 BBRv1）。线路丢包超过约 2% 时它会主动降速，实际速度可能明显低于页面推算；本命令未更换算法或内核" fi

@ahdoawhfo #7 你怎么抢我功劳

@ahdoawhfo #7 你还真别说，我就是用的这个，这不巧了。

这是官方的，效果明显 cur=$(sysctl -n net.ipv4.tcp_congestion_control) if ! { case "$cur" in bbr?*) true ;; *) sudo modprobe tcp_bbr 2>/dev/null; grep -qw bbr /proc/sys/net/ipv4/tcp_available_congestion_control ;; esac; }; then echo "当前内核不支持 BBR，未做任何修改" else [ -e /etc/sysctl.d/omnitt-tcp.backup ] || for k in net.core.default_qdisc net.ipv4.tcp_congestion_control net.ipv4.tcp_wmem net.ipv4.tcp_rmem net.core.wmem_max net.core.rmem_max net.ipv4.tcp_notsent_lowat net.ipv4.tcp_mtu_probing net.ipv4.tcp_slow_start_after_idle; do echo "$k = $(sysctl -n $k)"; done | sudo tee /etc/sysctl.d/omnitt-tcp.backup >/dev/null sudo tee /etc/sysctl.d/99-omnitt-tcp.conf >/dev/null <<'EOF' # TCP 迷之调参 V6 · https://omnitt.com/ # 公平队列，为 BBR 提供发包节奏（pacing） net.core.default_qdisc = fq # BBR：不把丢包当作拥塞，有丢包的线路上仍保持高速 net.ipv4.tcp_congestion_control = bbr # 发送缓冲上限：随带宽与延迟连续变化，按内存预算封顶 net.ipv4.tcp_wmem = 4096 16384 138915348 # 接收缓冲上限：随带宽与延迟连续变化，按内存预算封顶 net.ipv4.tcp_rmem = 4096 131072 138915348 # 让显式设置 SO_SNDBUF 的程序也能用到同样的上限 net.core.wmem_max = 138915348 # 让显式设置 SO_RCVBUF 的程序也能用到同样的上限 net.core.rmem_max = 138915348 # 限制未发送数据堆积，降低应用层延迟 net.ipv4.tcp_notsent_lowat = 131072 # 仅在检测到 ICMP 黑洞时启用 MTU 探测 net.ipv4.tcp_mtu_probing = 1 # 长连接空闲后不重置拥塞窗口 net.ipv4.tcp_slow_start_after_idle = 0 EOF case "$cur" in bbr?*) sudo sed -i "s/^net\.ipv4\.tcp_congestion_control = bbr\$/net.ipv4.tcp_congestion_control = $cur/" /etc/sysctl.d/99-omnitt-tcp.conf ;; esac sudo sysctl --system >/dev/null dev=$(ip route show default | awk '{for (i = 1; i < NF; i++) if ($i == "dev") { print $(i + 1); exit }}') q=$(sysctl -n net.core.default_qdisc) root=$(tc qdisc show dev "$dev" root 2>/dev/null | awk 'NR == 1 {print $2}') if [ "$root" = mq ]; then [ "$(tc qdisc show dev "$dev" root | awk 'NR == 1 {print $3}')" = 1: ] && h=2: || h=1: sudo tc qdisc replace dev "$dev" root handle "$h" mq elif [ -n "$root" ] && [ "$root" != noqueue ]; then sudo tc qdisc replace dev "$dev" root "$q" fi conflicts=$(grep -sE '^[[:space:]]*(net\.core\.default_qdisc|net\.ipv4\.tcp_congestion_control|net\.ipv4\.tcp_wmem|net\.ipv4\.tcp_rmem|net\.core\.wmem_max|net\.core\.rmem_max|net\.ipv4\.tcp_notsent_lowat|net\.ipv4\.tcp_mtu_probing|net\.ipv4\.tcp_slow_start_after_idle)[[:space:]]*=' /etc/sysctl.conf) [ -n "$conflicts" ] && printf '注意：/etc/sysctl.conf 中以下设置会覆盖 V6，删除后执行 sudo sysctl --system：\n%s\n' "$conflicts" cc=$(sysctl -n net.ipv4.tcp_congestion_control) qd=$(tc qdisc show dev "$dev" 2>/dev/null | awk '$2 != "mq" {print $2; exit}') stale=$(ss -tni state established 2>/dev/null | grep -E '^[[:space:]]' | grep -cvw "$cc") echo "已应用：拥塞控制 $cc，网卡 ${dev:-?} 队列 ${qd:-未知}；回滚命令见页面" [ "${stale:-0}" -gt 0 ] && echo "注意：$stale 条已建立的连接（含当前 SSH）仍用原算法；代理隧道等长连接需重启代理服务或重连后才生效" ver=; case "$cc" in bbr2) ver=v2 ;; bbr3) ver=v3 ;; bbr) [ "$(cat /sys/module/tcp_bbr/version 2>/dev/null)" = 3 ] && ver=v3 ;; esac [ -n "$ver" ] && echo "重要：当前为 BBR$ver（非主线内核自带的 BBRv1）。线路丢包超过约 2% 时它会主动降速，实际速度可能明显低于页面推算；本命令未更换算法或内核" fi