네트워크와 관련된 파라미터

# vi /etc/sysctl.conf

web/was의 경우 파라미터 설정

# sysctl -p

net.core.rmem_max = 4587520               ( network buffer size )

net.core.rmem_default = 4587520           ( network buffer size )

net.core.wmem_max = 4587520

net.core.wmem_default = 4587520

net.ipv4.tcp_rmem = 4096 131072 262140   ( network buffer size )

net.ipv4.tcp_wmem = 4096 131072 262140   ( network buffer size )

** wmem_max, rmem_max 은 net.ipv4.tcp_wmem, net.ipv4.tcp_rmem 에 설정한 값보다 우선시 

net.ipv4.tcp_sack = 0

net.ipv4.tcp_timestamps = 0

net.ipv4.tcp_window_scaling = 0

net.ipv4.tcp_keepalive_time = 60000

net.ipv4.tcp_keepalive_intvl = 15000

net.ipv4.tcp_fin_timeout = 30

# cat /proc/sys/net/core/rmem_max