Linux x86 Kernel Settings

专注于为中小企业提供成都做网站、成都网站设计服务,电脑端+手机端+微信端的三站合一,更高效的管理,为中小企业睢阳免费做网站提供优质的服务。我们立足成都，凝聚了一批互联网行业人才，有力地推动了成百上千家企业的稳健成长，帮助中小企业通过网站建设实现规模扩充和转变。

kernel.shmmni = 4096 
kernel.sem = 250 32000 100 128 
fs.file-max = 6815744
net.ipv4.ip_local_port_range = 9000 65500 
net.core.rmem_default = 262144 
net.core.rmem_max = 4194304 
net.core.wmem_default = 262144 
net.core.wmem_max = 1048576

Linux x86_64 Kernel Settings

kernel.shmmni = 4096 
kernel.sem = 250 32000 100 128 
fs.file-max = 6815744 
net.ipv4.ip_local_port_range = 9000 65500 
net.core.rmem_default = 262144 
net.core.rmem_max = 4194304 
net.core.wmem_default = 262144 
net.core.wmem_max = 1048576 
kernel.shmall = physical RAM size / pagesize For most systems, value is 2097152. 
kernel.shmmax = RAM times 0.5
kernel.shmmni = 4096 
kernel.sem = 250 32000 100 128 
aio-max-nr=3145728 (as per Note 579108.1)

AIX Kernel Settings

chdev -l sys0 -a maxuproc=16384 
chdev -l sys0 -a ncargs=128 
/usr/sbin/no -p -o tcp_ephemeral_low=9000 -o tcp_ephemeral_high=65500 
/usr/sbin/no -p -o udp_ephemeral_low=9000 -o udp_ephemeral_high=65500
/usr/sbin/no -a | fgrep ephemeral 
tcp_ephemeral_low = 32768 
tcp_ephemeral_high = 65535 
udp_ephemeral_low = 32768 
udp_ephemeral_high = 65535 

分享文章：linux、aix安装11g内核参数配置
分享链接：http://chengdu.cdxwcx.cn/article/johpcc.html