AW: Still much more than 350 sockets needed!

[Andrew Haley]

Wes Shull writes:
 > On 4/26/06, Andrew Haley <aph at redhat.com> wrote:
 > > #include <netdb.h>
 > 
 > [snip]
 > 
 > I don't think Andrew's code is showing the real problem here, because
 > it's not actually trying to send anything over the connections after
 > they've been opened, to make sure they're still alive.
 > 
 > At first I thought Hendrik was on crack, but I'm able to reproduce
 > something similar on my FC5 system.  It's not related to the open file
 > ulimit.
 > 
 > I hacked up the Tcl code at the bottom to open a bunch of sockets,
 > connect to itself, and pass data back and forth; run it and see what
 > you get.  On my 2.6.16-1.2080_FC5 system, all but 19 of the
 > connections die after the client side sends some initial data.  I'm
 > thinking that some connection tracker (i.e. iptables/netfilter) is
 > losing track of them and so kicking back a reset.
 > 

It works for me, bouncing data back and forth.  What does it do on
your box?  What is the output?

Andrew.