sysctl documentation

Chuck Swiger cswiger at
Tue Nov 29 16:59:20 GMT 2005

Wojciech Puchar wrote:
> where can i find documentation for sysctl variables, mostly vfs.* ?
> or it it's nonexistant, where can i look for info?

"sysctl -d" will help in many cases, otherwise check the manpage for the 
associated driver, netgraph module, etc.  Or UTSL.  :-)

> While FreeBSD gives best performance in every case i tested (compared to 
> other BSD's and linux) it doesn't mean it can't be faster after some 
> tuning.

OK.  Well, see "man tuning" and the Handbook for a starting place...


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