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Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic |
Date: |
Thu, 2 Aug 2018 10:50:57 +0100 |
User-agent: |
Mutt/1.10.0 (2018-05-17) |
* Denis V. Lunev (address@hidden) wrote:
> > I don't quite understand the last two paragraphs.
> we are thinking right now to eliminate delay on regular IO
> for migration. There is some thoughts and internal work in
> progress. That is why I am worrying.
What downtime are you typicaly seeing and what are you aiming for?
It would be good if you could explain what you're planning to
fix there so we can get a feel for it nearer the start of it
rather than at the end of the reviewing!
Dave
>
> > However, coming back to my question; it was really saying that
> > normal guest IO during the end of the migration will cause
> > a delay; I'm expecting that to be fairly unrelated to the size
> > of the disk; more to do with workload; so I guess in your case
> > the worry is the case of big large disks giving big large
> > bitmaps.
>
> exactly!
>
> Den
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Dr. David Alan Gilbert, 2018/08/01
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, John Snow, 2018/08/01
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Dr. David Alan Gilbert, 2018/08/01
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Denis V. Lunev, 2018/08/01
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Dr. David Alan Gilbert, 2018/08/01
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Denis V. Lunev, 2018/08/01
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Dr. David Alan Gilbert, 2018/08/02
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Denis V. Lunev, 2018/08/02
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic,
Dr. David Alan Gilbert <=
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Denis V. Lunev, 2018/08/02
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, John Snow, 2018/08/02
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Dr. David Alan Gilbert, 2018/08/03
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Vladimir Sementsov-Ogievskiy, 2018/08/03
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Dr. David Alan Gilbert, 2018/08/03
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Denis V. Lunev, 2018/08/03
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Dr. David Alan Gilbert, 2018/08/03
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, John Snow, 2018/08/01
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Denis V. Lunev, 2018/08/01
- Re: [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Denis V. Lunev, 2018/08/01