[libvirt] [PATCH] qemu: Set reasonable RSS limit on domain startup

Paolo Bonzini pbonzini at redhat.com
Thu Jul 19 14:10:25 UTC 2012

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?


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