setlimits.sh

# SETTING                                           DEFAULT
sysctl -w net.ipv4.ip_local_port_range="500 65535"  # 32768 61000
sysctl -w net.ipv4.tcp_tw_recycle="1"               # 0
sysctl -w net.ipv4.tcp_tw_reuse="1"                 # 0

sysctl -w net.ipv4.tcp_rmem="4096 87380 16777216"   # 4096 87380 6291456
sysctl -w net.ipv4.tcp_wmem="4096 16384 16777216"   # 4096 16384 4194304
 
sysctl -w fs.file-max="655300"                      # 797108
sysctl -w fs.nr_open="3000000"                      # 1048576
 
ulimit -n 2000000