From: Juan Quintela <quintela@redhat.com>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>,
Pavel Hrdina <phrdina@redhat.com>,
qemu-devel <qemu-devel@nongnu.org>,
Dietmar Maurer <dietmar@proxmox.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Subject: Re: [Qemu-devel] [RFC] lively write vmstate with predictable size
Date: Fri, 04 Jan 2013 23:42:06 +0100 [thread overview]
Message-ID: <87623ca7up.fsf@elfo.mitica> (raw)
In-Reply-To: <20130104173550.GB9481@stefanha-thinkpad.redhat.com> (Stefan Hajnoczi's message of "Fri, 4 Jan 2013 18:35:50 +0100")
Stefan Hajnoczi <stefanha@gmail.com> wrote:
> On Fri, Dec 21, 2012 at 10:25:51AM +0800, Wenchao Xia wrote:
>> resent the mail to mail-list.
>> -------------------
>>
>> Hi, Paolo and Juan
>> Currently savevm needs pause vm, and I am working on that make it
>> lively.
>
> What is the benefit over migrating to file? I thought we can already do
> that today?
Load is faster.
He wants to "overwrite" the memory, so, if we dirty one page during
migration, it overwrite it, instead of having two copies that only make
the image bigger and slower to load. Problem is that we need a new
"format" to be able to do that.
Later, Juan.
next prev parent reply other threads:[~2013-01-04 22:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <50D2CC22.1060900@linux.vnet.ibm.com>
2012-12-21 2:25 ` [Qemu-devel] [RFC] lively write vmstate with predictable size Wenchao Xia
2012-12-21 18:36 ` Juan Quintela
2012-12-25 5:07 ` Wenchao Xia
2012-12-27 2:40 ` Wenchao Xia
2013-01-04 17:35 ` Stefan Hajnoczi
2013-01-04 22:42 ` Juan Quintela [this message]
2013-01-05 8:21 ` Wenchao Xia
2013-01-06 3:28 ` Eric Blake
2013-01-07 12:35 ` Stefan Hajnoczi
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