AW: Still much more than 350 sockets needed!
Andrew Haley
aph at redhat.com
Wed Apr 26 18:56:22 UTC 2006
Thomas M Steenholdt writes:
> Andrew Haley wrote:
> > Wiese, Hendrik writes:
> > > >
> > > > > Hello again,
> > > > >
> > > > > we still need to know how to increase the maximum number of
> > > > > possible open sockets per IP address! Here we got the problem
> > > > > that no more than 350 sockets are possible. On another Linux
> > > > > (based on LFS) it is no problem to open far more than 5.000
> > > > > connections on the same way. So we know that it is possible.
> > > > > So how can we break this limitation? Some kind of sysctl?
> > > > > Kernel patch needed? Anything else?
> > > > >
> > > > > It's urgent, so any kind of help would be greatly appreciated.
> > >
> > > Please try to open that many tcp connections between two IPs and tell me
> > > if it works!
> >
> > Try it yourself. I reckon you'll run out of file descriptors before
> > you hit a socket limit. To do any more you'll have to fork() in the
> > server and client.
>
> Well...
>
> I get way past 350 with these two test processes...
> Got to 1020, then the process bailed with :
> No socket: Too many open files
So, there you go. Whoever said that no more than 350 sockets are
possible was mistaken. :-)
Andrew.
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