Optimization OS network stack settings for the Web servers

# The web server OS network stack optimization

net.core.netdev_max_backlog=10000 net.core.somaxconn=262144 net.ipv4.tcp_syncookies=1 net.ipv4.tcp_max_syn_backlog = 262144 net.ipv4.tcp_max_tw_buckets = 720000 net.ipv4.tcp_tw_recycle = 1 net.ipv4.tcp_timestamps = 1 net.ipv4.tcp_tw_reuse = 1 net.ipv4.tcp_fin_timeout = 30 net.ipv4.tcp_keepalive_time = 1800 net.ipv4.tcp_keepalive_probes = 7 net.ipv4.tcp_keepalive_intvl = 30 net.core.wmem_max = 33554432 net.core.rmem_max = 33554432 net.core.rmem_default = 8388608 net.core.wmem_default = 4194394 net.ipv4.tcp_rmem = 4096 8388608 16777216 net.ipv4.tcp_wmem = 4096 4194394 16777216