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From: | Stefan Priebe |
Subject: | [Qemu-devel] drive-backup |
Date: | Mon, 22 Feb 2016 21:21:22 +0100 |
User-agent: | Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 |
Hello,is there any chance or hack to work with a bigger cluster size for the drive backup job?
See: http://git.qemu.org/?p=qemu.git;a=blob;f=block/backup.c;h=16105d40b193be9bb40346027bdf58e62b956a96;hb=98d2c6f2cd80afaa2dc10091f5e35a97c181e4f5This is very slow with ceph - may be due to the 64k block size. I would like to check whether this is faster with cephs native block size of 4mb.
Greets, Stefan
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