[libvirt] Re: [discuss] The new cgroup patches for libvirt

Balbir Singh balbir at linux.vnet.ibm.com
Fri Oct 3 20:17:47 UTC 2008

> The thing I didn't mention, is that until Dan posted his current patches
> actually implementing the cgroups stuff in LXC driver, I didn't have a
> good picture of what the ideal higher level interface would look like.
> If you try and imagine high level APIs, without having an app actually
> using them, its all too easy to design something that turns out to not
> be useful.
> So while I know the low level cgroups API isn't what we  need, it needs
> the current proof of concept in the libvirt LXC  driver to discover what
> is an effective approach for libcgroups. I suspect our code will evolve
> further as we learn from what we've got now.  By doing this entirely
> within libvirt we can experiment with effective implementation strategies
> without having to lockdown a formally supported API immediately. Once
> things settle down, it'll easier for libcgroups to see exactly what is
> important for a high level API and thus make one that's useful to more
> apps in the long term.

Agreed, the libvirt changes for cgroups have shown us a useful layer
to build. We'll keep on top of it and try and build something that
everyone can use.


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