We modified /etc/sysctl.conf to have really small buffers per socke, modified ulimit to allow for 999999 fds, and modified /proc/sys/net/ipv4/ip_local_port_rang

We modified /etc/sysctl.conf to have really small buffers per socke, modified ulimit to allow for 999999 fds, and modified /proc/sys/net/ipv4/ip_local_port_range to max out ephemeral ports per connection.