FreeBSD 5.3 and too many files open...

[Mikko Työläjärvi]

Hi,

On Wed, 23 Mar 2005 Axel.Gruner at suedfactoring.de wrote:

> Hi,
>
> i run into a problem on a FreeBSD 5.3-STABLE Applicationserver (2GB of RAM,
> 4GB Swap, Dual XEON 3.06Ghz).
> The box serves the "xfrce4-panel" for 80 Network Clients via ssh so the
> Users can start OpenOffice.org and firefox from that panel.
> It is goin very well, except a message (and also a problem) i run into the
> last day.
> If i tried to open firefox from a networkclient and received the message
> "too many files open...". I saw that message on 3 different Network Clients
> and just after a fresh configure and the first time starting firfox on
> these Networkclients with that UID.
>
> I checked my configuration on the server about "openfiles":
>
> kern.openfiles:9306
> kern.maxfiles:65536
>
> netstat -m
> 3952 mbufs in use
> 732/64000 mbuf clusters in use (current/max)
> [...]
>
> "fstat" shows me 393 on User A and on User B 3459. I did not check the
> other users.
>
> kern.maxfilesperproc: 5898
> kern.maxusers: 384
>
> My /boot/loader.conf looks like:
> kern.maxfiles="65536"
> kern.ipc.nmbclusters=64000
> kern.ipc.nmbufs=256000
> kern.maxproc=8192
> kern.ipc.somaxconn=4096
>
> So i do not get it, imho the configuration is just fine, but why do i get
> the message "too many files open..."?

I think there is a separate limit for sockets, which you may be
hitting.  Check with "sysctl kern.ipc | grep socket".

   $.02,
   /Mikko