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<div><font face="Arial" size="2">Anyways, I will try to upgrade
KVM to 1.7 first (many backup related changes). <br>
We can then test again and try to optimize further.</font></div>
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Cesar, from my testing KVM 1.7 fixed the backup related performance
issues.<br>
See archive:
<a class="moz-txt-link-freetext" href="http://pve.proxmox.com/pipermail/pve-devel/2013-December/009296.html">http://pve.proxmox.com/pipermail/pve-devel/2013-December/009296.html</a><br>
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The buffers related to Live backup are for the data sent to the
backup, not the data sent to the VMs disk.<br>
The data sent to the disk will still use whatever cache policy you
have set for that disk.<br>
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