[libvirt-users] Unable to close open libvirt connections

[Michal Privoznik]

On 11.01.2012 19:14, Jatin Kumar wrote:
> Hello,
> I was getting the following error in syslog:
> libvirtd: 21:19:12.116: 10955: error : qemudDispatchServer:1355 : Too
> many active clients (20), dropping connection from 127.0.0.1;0
> 
> I investigated a bit and tried the following in a python console:
> 
> import libvirt
> ~~~~
> conn=libvirt.openReadOnly("qemu+ssh://HOST_IP/system
> <http://10.16.71.1/system>")
> //now check the no. of connections (by lsof|grep ESTABLISHED in the
> HOST), the count will increase by 1
> conn.close()
> *//the count will decrease by 1, it returns 0*
> ~~~~
> conn=libvirt.openReadOnly("qemu+ssh://HOST_IP/system
> <http://10.16.71.1/system>")
> //now check the no. of connections, the count will increase by 1
> dom=conn.lookupByName("sowmya")
> print dom.info <http://dom.info/>()
> conn.close()
> *//the count will not change, it returns 1*
> *
> *
> This is creating a lot of trouble to me but the reason is unknown.
> If someone could please point me out, if i am missing something.
> --
> Jatin

conn.close() returns the number of references to connection object;
So if the latter example returns 1 it is right as you still have domain
object which you obtained via lookupByName(). So you need to destroy
that object prior to closing connection.

Michal