ludicrousspeed.sh

ludicrousspeed.sh

#!/bin/bash

# Some tweaks to OSX tcp/fd setting 
# to ease load testing
#
# Disclaimer: I have no idea what i'm doing
#


# Descrease port hold time
sysctl -w net.inet.tcp.msl=1000

# Increase number of available ports
sysctl -w net.inet.ip.portrange.first=32768

# Increase socket connection limit
sysctl -w kern.ipc.somaxconn=1048576

# Increase file descriptor limit
launchctl limit maxfiles 2048 1048576
sysctl -w kern.maxfilesperproc=1048576
# This doesn't persist, but here it is anyways:
ulimit -S -n 1048576