说明：本优化适合apache，nginx，squid多种等web应用，特殊的业务也可能需要略作调整。 z7{b>oub('  
]O7I7K  
C/_W>H_   
复制代码 O>|Q Zd  
[root@c64 ~]# vi /etc/sysctl.conf 3boINmX  
#by sun in 20131001 398}a!XM  
net.ipv4.tcp_fin_timeout = 2 98Pt&C?-B  
net.ipv4.tcp_tw_reuse = 1 Q>JJI:uC4  
net.ipv4.tcp_tw_recycle = 1 /S\P=lcb  
net.ipv4.tcp_syncookies = 1 Po(9BRd7  
net.ipv4.tcp_keepalive_time =600 Mh[;E'C6  
net.ipv4.ip_local_port_range = 4000    65000 ui YZk3  
net.ipv4.tcp_max_syn_backlog = 16384 2m[z4V@`  
net.ipv4.tcp_max_tw_buckets = 36000 I r<5%  
net.ipv4.route.gc_timeout = 100 @lDoMm,m'  
net.ipv4.tcp_syn_retries = 1 C:0Ra^i ?L  
net.ipv4.tcp_synack_retries = 1 vv"_u=H  
net.core.somaxconn = 16384 "S_t%m&R  
net.core.netdev_max_backlog = 16384 UOy`N~\gh+  
net.ipv4.tcp_max_orphans = 16384