远程跨地域提高传输速度的内核参数,两端服务器都要调整
echo "8192 3495200 34952000" > /proc/sys/net/ipv4/tcp_rmem
echo "8192 2621440 26214400" > /proc/sys/net/ipv4/tcp_wmem
echo "3495200" > /proc/sys/net/core/rmem_default
echo "34952000" > /proc/sys/net/core/rmem_max
echo "2621440" > /proc/sys/net/core/wmem_default
echo "26214400" > /proc/sys/net/core/wmem_max