On 04/10/2012 07:45 AM, Jiri Denemark wrote: > As reported by Daniel Berrangé, we have a huge performance regression > for virDomainGetInfo() due to the change which makes virDomainEndJob() > save the XML status file every time it is called. Previous to that > change, 2000 calls to virDomainGetInfo() took ~2.5 seconds. After that > change, 2000 calls to virDomainGetInfo() take 2 *minutes* 45 secs. > > We made the change to be able to recover from libvirtd restart in the > middle of a job. However, only destroy and async jobs are taken care of. > Thus it makes more sense to only save domain state XML when these jobs > are started/stopped. > --- > src/qemu/qemu_domain.c | 21 ++++++++++++++++++--- > src/qemu/qemu_domain.h | 5 +++++ > src/qemu/qemu_process.c | 4 ++++ > 3 files changed, 27 insertions(+), 3 deletions(-)
ACK. -- Eric Blake ebl...@redhat.com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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