Server Festa 2013 Autumn base kernel tuning

svfes201311_sysctl.conf

fs.file-max = 1048576

net.ipv4.ip_local_port_range = 1024 65535

net.core.wmem_max = 16777216
net.core.rmem_max = 16777216

net.ipv4.tcp_wmem = 4096 65536 16777216
net.ipv4.tcp_rmem = 4096 87380 16777216

net.core.somaxconn = 8192

net.core.netdev_max_backlog = 8000

net.ipv4.tcp_max_syn_backlog = 8192

net.ipv4.tcp_synack_retries = 3
net.ipv4.tcp_retries2 = 5

net.ipv4.tcp_keepalive_time = 900

net.ipv4.tcp_keepalive_probes = 3

net.ipv4.tcp_keepalive_intvl = 15

net.nf_conntrack_max = 1000000