> However the question is in the cost of this solution. As far as I know > VirtualBox does not support memory ballooning. The concept behind > memory ballooning seems quite simple. However I'm not able to > accurately estimate how hard it will be to add support for this > feature in VirtualBox.
Memory ballooning is fully supported as of VirtualBox 3.2. > > Another idea that may help is sharing memory pages between multiple > concurrently running VM instances. (We plan to run concurrently > several machines that are "forked" from one saved state and slightly > differ. Their life span is also quite short.) Do you think this is a > feasible and reasonable solution? > Page Fusion was introduced in VirtualBox 3.2 and does what you refer to. Achim.
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