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Re: [libvirt] memory leak in snapshot and since at least 1.0.2?



Quoting Eric Blake (eblake redhat com):
> On 07/26/2013 10:09 AM, Serge Hallyn wrote:
> > Quoting Serge Hallyn (serge hallyn ubuntu com):
> >> Hi,
> >>
> >> https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1201938 documents
> >> a memory leak we're seeing in libvirt.  I've reproduced it in 1.0.2,
> >> 1.0.6, and an hourly snapshot from yesterday morning (which is built
> >> at https://launchpad.net/~serge-hallyn/+archive/libvirt-mav)
> >>
> >> To reproduce it, I define and start one domain and run virt-manager
> >> locally (just leaving it running in a vnc server).  The RSS as observed
> >> by top grows over time, starting at 10M and becoming 87M in about 12
> >> hours.
> >>
> >> When I stop the running vm, the memleak does seem to stop.  Presumably
> >> having >1 domain would speed up the memleak (explaining the original
> >> bug reporter's woes)
> > 
> > No, the memory leak did not stop altogether with the VM stopped.  Since
> > sending that email RSS has gone up by about 2M.
> 
> We recently found a memory leak bug in netcf that impacts debian-based
> builds but not Fedora-based builds.  Does your issue go away once you
> pick up that fix?
> https://lists.fedorahosted.org/pipermail/netcf-devel/2013-August/000844.html

Yup - well, the original reporter says there remains a very slow leak,
but I've not reproduced that one yet.  The netcf one was definately
responsible for the major leak.

thanks!

-serge


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