Hi,

i think that I know where is the problem. My "messages" log says:

Jul 29 19:36:41 divinus libvirtd: 19:36:41.032: error :
qemudDispatchServer:1315 : Too many active clients (100), dropping
connection

It looks like that ruby-libvirt doesn't closing connection, when it's
running under passenger/rails/apache. The "100" is my defined number in
/etc/libvirt/libvirtd.conf

Kind regards,

Jaromir.


Dne 19. července 2010 20:34 Chris Lalancette <clala...@redhat.com>napsal(a):

> On 07/17/10 - 09:30:29PM, Jaromír Červenka wrote:
> > Good evening,
> >
> > could anybody explain me this, please?
> >
> > divinus:~ # virsh
> > error: cannot recv data: : Connection reset by peer
> > error: failed to connect to the hypervisor
> > divinus:~ #
> >
> > I am trying to imlement Chris's ruby-libvirt to my Ruby on Rails
> > application. First few connection to libvirt daemon (thru ruby-libvirt
> API)
> > from my app are ok, but then somethings happend and it's not possible to
> > connect anymore until I restart libvirt daemon manually by init.d script
> or
> > until I restart apache (or WEBrick). And it's not possible connect to
> virsh
> > from shell also! See messages above.
> >
> > When I try ruby-libvirt from bare Ruby script, everythig is fine -
> doesn't
> > matter how many times I connect. It's strange.
> >
> > Does anybody have experience with ruby-libvirt in RoR application?
>
> That is pretty strange.  One way that I could imagine this happening is if
> libvirtd runs out of file descriptors (or some other resource), and then
> can't accept any new connections.  There have been some bugs in libvirtd
> that
> cause that, though it could equally be that your objects aren't being
> garbage collected by the Ruby VM.  What version of libvirtd are you testing
> against?  If it's possible, I wonder if you can force a garbage collection
> run in ruby and see if that frees up any resources?
>
> --
> Chris Lalancette
>
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