gt; 发送时间: 2017-11-15 18:11:37 (星期三)
> > > 收件人: "Chunguang Li"
> > > 抄送: qemu-devel@nongnu.org, quint...@redhat.com, amit.s...@redhat.com,
> > > pbonz...@redhat.com, stefa...@redhat.com
> > > 主题: Re: [Qemu-devel] Abnormal observation during migra
t.com,
> > pbonz...@redhat.com, stefa...@redhat.com
> > 主题: Re: [Qemu-devel] Abnormal observation during migration: too many
> > "write-not-dirty" pages
> >
> > * Chunguang Li (lichungu...@hust.edu.cn) wrote:
> > > Hi all!
> > >
> >
> -Original Messages-
> From: "Juan Quintela"
> Sent Time: 2017-11-15 17:45:44 (Wednesday)
> To: "Chunguang Li"
> Cc: qemu-devel@nongnu.org, dgilb...@redhat.com, amit.s...@redhat.com,
> pbonz...@redhat.com, stefa...@redhat.com
> Subject: Re: Abnormal observation during migration: too
> -原始邮件-
> 发件人: "Dr. David Alan Gilbert"
> 发送时间: 2017-11-15 18:11:37 (星期三)
> 收件人: "Chunguang Li"
> 抄送: qemu-devel@nongnu.org, quint...@redhat.com, amit.s...@redhat.com,
> pbonz...@redhat.com, stefa...@redhat.com
> 主题: Re: [Qemu-devel] Abnorm
* Chunguang Li (lichungu...@hust.edu.cn) wrote:
> Hi all!
>
> I got a very abnormal observation for the VM migration. I found that many
> pages marked as dirty during migration are "not really dirty", which is,
> their content are the same as the old version.
>
>
>
>
> I did the migration ex
"Chunguang Li" wrote:
> Hi all!
Hi
Sorry for the delay, I was on vacation an still getting up to speed.
> I got a very abnormal observation for the VM migration. I found that many
> pages marked as dirty during
> migration are "not really dirty", which is, their content are the same as the
>
Some more details about this experiment:
The host is running Ubuntu-16.04 with 4.4.0 Linux kernel and QEMU-2.5.1; The
guest is running Ubuntu-12.04, except Memcached with Ubuntu-16.04.
The exact numbers of the proportions of write-not-dirty pages for the first
2 pre-copy iterations: (0.445 mea
Hi all!
I got a very abnormal observation for the VM migration. I found that many pages
marked as dirty during migration are "not really dirty", which is, their
content are the same as the old version.
I did the migration experiment like this:
During the setup phase of migration, first I su
