[libvirt-users] performance overhead with backing chains?

[Riccardo Ravaioli]

Hi,

I was wondering if there are any studies on the performance overhead of a
QEMU/KVM virtual machine when the backing chain of its disk(s) is of size
n, with n > 1. In particular, it would be useful to know until what size we
can expect little or no impact on a Linux virtual machine, for instance.

Thanks!

Regards,
Riccardo
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