network_tunning_hi_traffic

network_tunning_high_traffic.sh

#!/bin/sh -e
echo "1024" > /proc/sys/net/core/somaxconn
echo "1" > /proc/sys/net/ipv4/tcp_syncookies
echo "4096    87380   16777216" > /proc/sys/net/ipv4/tcp_rmem
echo "4096    65536   16777216" > /proc/sys/net/ipv4/tcp_wmem
echo "0" >  /proc/sys/net/ipv4/tcp_timestamps
echo "30" > /proc/sys/net/ipv4/tcp_fin_timeout
echo "5"  > /proc/sys/net/ipv4/tcp_keepalive_probes
echo "15" > /proc/sys/net/ipv4/tcp_keepalive_intvl
echo "16777216" > /proc/sys/net/core/wmem_max
echo "32784" >  /proc/sys/net/core/netdev_max_backlog
echo "1" > /proc/sys/net/ipv4/tcp_syncookies
echo "1024    65535" > /proc/sys/net/ipv4/ip_local_port_range
echo "4096" > /proc/sys/net/ipv4/tcp_max_syn_backlog
echo "3221039" > /proc/sys/fs/file-max
echo "0" > /proc/sys/net/netfilter/nf_conntrack_checksum
echo "0" > /proc/sys/net/netfilter/nf_conntrack_events
echo "0" > /proc/sys/net/netfilter/nf_conntrack_acct
echo "500000" > /proc/sys/net/netfilter/nf_conntrack_max
echo "40000" > /sys/module/nf_conntrack/parameters/hashsize
echo "86400" > /proc/sys/net/netfilter/nf_conntrack_tcp_timeout_established