[pve-devel] KVM Live Backup performance

[Eric Blevins]

>>
>> KVM Live Backup: 120 seconds or more
>> LVM Snapshot backup: 55 seconds
>> With no backup: 45 seconds
> Why does that show a "decrease in IO read performance"?
> I guess the dd inside the VM is much faster with live backup?
>
No, it took dd 120 seconds to read 8GB of data when using live backup 
and only took 55 seconds when using LVM snapshot backup.