freebsd下必须要设置的几个的参数

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1 .编辑/etc/sysctl.conf
net.inet.tcp.blackhole=2
net.inet.udp.blackhole=1
net.inet.udp.maxdgram=65535
net.inet.tcp.sendspace=65535
net.inet.tcp.recvspace=65535

kern.maxfiles=65536
kern.maxfilesperproc=65536
kern.ipc.nmbclusters=32768
vfs.vmiodirenable=1
kern.ipc.somaxconn=4096

2. 运行以下命令

sysctl net.inet.tcp.blackhole=2
sysctl net.inet.udp.blackhole=1
sysctl net.inet.udp.maxdgram=65535
sysctl net.inet.tcp.sendspace=65535
sysctl net.inet.tcp.recvspace=65535

sysctl kern.maxfiles=65536
sysctl kern.maxfilesperproc=65536
sysctl kern.ipc.nmbclusters=32768
sysctl vfs.vmiodirenable=1
sysctl kern.ipc.somaxconn=4096

3.
# vi /boot/loader.conf
kern.ipc.nmbclusters="102400"
kern.ipc.nmbufs="409600"
这2个参数须重启服务器才能生效