From: Dietmar Maurer <dietmar@proxmox.com>
To: Max Reitz <mreitz@redhat.com>, Stefan Hajnoczi <stefanha@gmail.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
qemu-block@nongnu.org
Subject: Re: backup_calculate_cluster_size does not consider source
Date: Wed, 6 Nov 2019 11:18:27 +0100 (CET) [thread overview]
Message-ID: <1775789152.22.1573035507302@webmail.proxmox.com> (raw)
In-Reply-To: <ac30110f-6abe-a144-2aa5-b1cc140d7e8c@redhat.com>
> The thing is, it just seems unnecessary to me to take the source cluster
> size into account in general. It seems weird that a medium only allows
> 4 MB reads, because, well, guests aren’t going to take that into account.
Maybe it is strange, but it is quite obvious that there is an optimal cluster
size for each storage type (4M in case of ceph)...
next prev parent reply other threads:[~2019-11-06 10:20 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-05 10:02 backup_calculate_cluster_size does not consider source Dietmar Maurer
2019-11-06 8:32 ` Stefan Hajnoczi
2019-11-06 9:37 ` Max Reitz
2019-11-06 10:18 ` Dietmar Maurer [this message]
2019-11-06 10:37 ` Max Reitz
2019-11-06 10:34 ` Wolfgang Bumiller
2019-11-06 10:42 ` Max Reitz
2019-11-06 11:18 ` Dietmar Maurer
2019-11-06 11:22 ` Max Reitz
2019-11-06 11:37 ` Max Reitz
2019-11-06 13:09 ` Dietmar Maurer
2019-11-06 13:17 ` Max Reitz
2019-11-06 13:34 ` Dietmar Maurer
2019-11-06 13:52 ` Max Reitz
2019-11-06 14:39 ` Vladimir Sementsov-Ogievskiy
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