4096 file descriptors

[Bron Gondwana]

On Wed, Aug 22, 2012, at 09:47 PM, Andrew Morgan wrote:
> On Wed, 22 Aug 2012, Ron Vachiyer wrote:
> 
> > Quick question about filedescriptors.  On Centos6, cyrus 2.3.16 seems to 
> > be able to open 4096 FDs ;
> >
> > master[27121]: retrying with 4096 (current max)
> >
> > ulimit -a says 1024;
> >
> > open files                      (-n) 1024
> >
> > I am looking to increase this, and have found some documentation saying 
> > to increse file-max in /proc.  However, file-max already has a much 
> > larger number;
> >
> > cat /proc/sys/fs/file-max
> > 1201105
> >
> > The only way I have found so far is to add a ulimit -n 8192 in 
> > /etc/rc.d/init.d/cyrus-imapd
> >
> >
> > Is there a more generic/cleaner way to do this?
> 
> I've always done it in the cyrus init script:

Us too. We run 400+ instances, so init script is magic perl, and it does ulimit before launching master.

Bron.
-- 
  Bron Gondwana
  brong at fastmail.fm