Re: sysctl documentation

["Steven M. Bellovin" <smb%cs.columbia.edu@localhost>]

On Thu, 13 Mar 2008 07:58:51 -0500
Michael Graff <explorer%flame.org@localhost> wrote:

> On Thursday 13 March 2008 12:29:57 Greg Troxel wrote:
> >   On a side note, our default send/receive socket values are small
> >   enough that I can only get 350 kbytes/sec using scp between a 100
> > GB link here at IETF and a 1 GB link back in California.  Upping
> > these to 2x their current values let
> >
> > Wow, do you really mean 100 GB or 100 Mb/s?
> 
> I really mean 100 GB.  With IPv6 even.
> 
> Of course, it's split down so much that no one user could come close
> to that even if we had 100 machines with gigabit interfaces, so it's
> rather silly.
> 
> > I agree; these shoudl be in tcp(4) and sysctl should point to
> > inet(4) for net.inet and that should point to tcp(4).
> 
> Perhaps this is somehing I can do while on a plane, and submit diffs.
> 
> Better documentation is always good, but no matter how awesome the
> words are, if one cannot find them, they are worthless.  :)
> 
> I'll make a list of items.  Ideally, each name should be documented
> somewhere obvious, with pointers around to the more detailed parts.
> I'll see what I can come up with in my non-copious spare time.
> 
I just noticed that sendbuf_auto and recvbuf_auto aren't even in
sysctl(7).


                --Steve Bellovin, http://www.cs.columbia.edu/~smb