Daniel Veillard wrote:
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 requireto 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 unlessthey've broken the proxy somehow.I was thinking about the upcoming remote support, and an RPC is expensive for this kind of informations IMHO.
Just what I was going to say :-) Rich. -- Emerging Technologies, Red Hat http://et.redhat.com/~rjones/ 64 Baker Street, London, W1U 7DF Mobile: +44 7866 314 421 Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in UK and Wales under Company Registration No. 3798903 Directors: Michael Cunningham (USA), Charlie Peters (USA) and David Owens (Ireland)
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