http://e-docs.bea.com/wls/docs81/perform/HWTuning.html
http://www.bea.com.cn/support_pattern/Too_Many_Open_Files_Pattern.html

Linux Tuning Parameters

For Linux operating systems, the following settings are recommended for optimal performance.

Table 2-5 Suggested Linux Values

Parameter

Suggested Value

/sbin/ifconfig lo mtu

1500

kernel.msgmni

1024

kernel.sem

1000 32000 32 512

fs.file-max

65535

kernel.shmmax

2147483648

net.ipv4.tcp_max_syn_backlog

8192