Re: Limit on number of sockets

[Matthew Mondor <mm_lists%pulsar-zone.net@localhost>]

On Wed, 23 Jun 2010 08:04:58 -0400
Matthew Mondor <mm_lists%pulsar-zone.net@localhost> wrote:

> On Wed, 23 Jun 2010 11:45:17 +0200
> Edgar Fuà <ef%math.uni-bonn.de@localhost> wrote:
> 
> > Is there any kernel-imposed limit on the number of concurrently open 
> > sockets other than available memory and kern.maxfiles?
> 
> It's also possible to increase kern.mbuf.nmbclusters, if I recall
> correctly, but you should normally be getting ``mclpool limit reached''
> messages in dmesg if that is needed.
> 
> See also the RLIMIT_NOFILE for that process (or alternatively the
> process-specific sysctl nodes for it, proc.<pid>.rlimit.descriptors.*).

Oh, and I forgot to mention that it's possible to configure a login
class's default limits for RLIMIT_NOFILE via the "openfiles" capability.
-- 
Matt