Nginx笔记总结三:内核参数优化

net.ipv4.netfilter.ip_conntrack_tcp_timeout_established = 1800

net.ipv4.ip_conntrack_max = 16777216

net.ipv4.netfileter.ip_conntrack_max = 16777216

net.ipv4.tcp_max_syn_backlog = 63356

net.core.netdev_max_backlog = 32768

net.core.somaxconn = 32768

net.core.wmem_default = 8388608

net.core.rmen_default = 8388608

net.core.rmem_max = 16777216

net.core.wmem_max = 16777216

net.ipv4.tcp_timestamps = 0

net.ipv4.tcp_synack_restries = 2

net.ipv4.tcp_syn_retries = 2

net.ipv4.tcp_tw_recycle = 1

net.ipv4.tcp_tw_reuse = 1

net.tpv4.tcp_mem = 94500000 915000000 927000000

net.ipv4.tcp_max_orphans = 3276800

net.ipv4.ip_local_port_range = 1024 65535