[Mongrel] Mongrel server file descriptor leak?

benjamin grant bgrant01101 at gmail.com
Wed Feb 4 13:10:35 EST 2009

Can you post the content of your mongrel_cluster.yml  (or equivalent command
line options in use) & mongrel version...?

Also the output of "ulimit -a" for the mongrel process owner.


On Wed, Feb 4, 2009 at 6:20 AM, John Nestoriak <lists at ruby-forum.com> wrote:

> Excuse my ignorance for I'm a RoR newby.
> We have a number of RoR applications running on a server with a cPanel
> installation. One of the clients sites went belly up with the error
> message:
> Errno::EMFILE
> Too many open files - socket(2)
> Digging a bit I found that the mongrel server had a large number of
> sockets open and appears to be leaking them fairly frequently. The
> lsof looks like this
> mongrel_r 11184 username 193u  unix 0xda4fa480 637209350 socket
> mongrel_r 11184 username 194u  unix 0xf685a680 637408911 socket
> mongrel_r 11184 username 195u  unix 0xcc2ea3c0 637684747 socket
> The application doesn't do anything explicitly with sockets. As far as
> I know the RoR installation is standard - from what I understand the
> hosting company support installed it and RoR is only semi-supported by
> cPanel so they're somewhat reluctant/lack the knowledge to be of much
> assistance?
> I did google searches of every combination of ruby/rails/socket/leak/
> cPanel/file descriptor/etc that I could think of and didn't find
> anything. I'm not exactly sure of what versions of ruby/rails/mongrel
> we have installed but didn't find anything about this being a known
> issue that had been fixed. I'd warrant a guess that we're not running
> the bleeding edge at any rate and are likely a few versions behind but
> again I'm not entirely sure how ruby is installed/managed under cPanel/
> WHM.
> Any ideas on where to look further or what the issue could be?
> --
> Posted via http://www.ruby-forum.com/.
> _______________________________________________
> Mongrel-users mailing list
> Mongrel-users at rubyforge.org
> http://rubyforge.org/mailman/listinfo/mongrel-users
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://rubyforge.org/pipermail/mongrel-users/attachments/20090204/8e7668c6/attachment.html>

More information about the Mongrel-users mailing list