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Date: Fri, 10 Jul 2020 14:09:40 +0200 (CEST)
From: Dietmar Maurer <dietmar@proxmox.com>
To: Proxmox VE user list <pve-user@lists.proxmox.com>,
 Roland <devzero@web.de>, martin@proxmox.com
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Subject: Re: [PVE-User] Proxmox Backup Server (beta)
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> one technical/performance question - will delta backup be i/o efficient
> ( like VMWare cbt ) ?

yes