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From: | Kevin Wolf |
Subject: | Re: [Qemu-devel] [PATCH v4 3/6] add backup related monitor commands |
Date: | Wed, 6 Mar 2013 16:48:17 +0100 |
User-agent: | Mutt/1.5.21 (2010-09-15) |
Am 06.03.2013 um 16:33 hat Dietmar Maurer geschrieben: > > > When we run backup, we need to read such block on every write from the > > guest. > > > So if we increase block size we get additional delays. > > > > How about variable block sizes? I mean this is a stream format that has a > > header > > for each block anyway. Include a size there and be done. > > You can make that as complex as you want. I simply do not need that. Then you also don't need the performance that you lose by using NBD. Kevin
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