On 07/19/2012 08:10 AM, Paolo Bonzini wrote: > Il 18/07/2012 22:17, Daniel P. Berrange ha scritto: >>>> >>>> Looks like a good change. My only question would be if its better to >>>> look up the guest video RAM instead of assuming that QEMU overhead + >>>> guest video RAM will amount to no more than about 200MB (I say about >>>> because of the 1.02 fudge factor). If its not really possible to grab >>>> that or it just makes sense to go with a set value like this then ACK >>>> from me. >> Yeah, since we go to the trouble of keeping video RAM in the XML, I >> say we ought to use it, instead of the 200MB fudge factor. > > Migration can probably consume more memory than this, with the new > XBZRLE support that was committed upstream. Orit, how big is the cache?
It's user-configurable (although libvirt would have to expose that configuration); defaulting to 64M plus overhead. -- Eric Blake ebl...@redhat.com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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