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ethtool -C interfaces rx-usecs 1 tx-usecs 1 rx-frames 1 tx-frames 1这个设置可能影响tcp性能，可以通过西面的tso来补偿net.ipv4.tcp_tsc_win_divisor=30查询是否开启 tsoethtool -K eth0 tso on巨帧的设置sysctl net.ipv4.tcp_window_scaling =0(只对tcp win size > 2^16 起总用)查看是否开启tcp_window_scalingcat /proc/sys/net/ipv4/tcp_window_scaling.ifconfig eht0 mtu 1500net.core.rmem_max = 16777216net.core.wmem_max = 16777216net.core.rmem_default = 600000net.core.wmem_default = 600000net.ipv4.tcp_rmem = 4096 87380 16777216net.ipv4.tcp_wmem = 4096 65536 16777216net.ipv4.tcp_mem = 10000000 10000000 10000000net.core.netdev_max_backlog = 600000net.ipv4.tcp_timestamps = 0net.ipv4.tcp_sack = 0net.ipv4.tcp_low_latency = 0net.ipv4.tcp_mtu_probing = 1net.ipv4.tcp_base_mss = 512net.ipv4.ip_no_pmtu_disc = 0net.ipv4.tcp_congestion_control = cubic

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