[Libvir] Re: [PATCH] Python bindings now generate exceptions for libvirt errors (third version)

Daniel Veillard veillard at redhat.com
Wed Mar 28 15:10:38 UTC 2007

On Wed, Mar 28, 2007 at 03:55:24PM +0100, Daniel P. Berrange wrote:
> On Wed, Mar 28, 2007 at 10:45:34AM -0400, Daniel Veillard wrote:
> >   It would be nice though if each time you look whether the domain is
> > defined or not, libvirt could give teh answer directly instead of going
> > though the potentially expensive Info call. This would also require
> > to double check invalidation of the _virDomain cached data at the 
> > proper places.
> The virDomainGetInfo is a fast-path call - its either a direct hypercall,
> or a hypercall via the proxy - we never make an expensive XenD call unless
> they've broken the proxy somehow. 

  I was thinking about the upcoming remote support, and an RPC is expensive
for this kind of informations IMHO.


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Daniel Veillard      | virtualization library  http://libvirt.org/
veillard at redhat.com  | libxml GNOME XML XSLT toolkit  http://xmlsoft.org/
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