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Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmap
From: |
John Snow |
Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic |
Date: |
Wed, 1 Aug 2018 13:34:03 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 |
On 08/01/2018 06:20 AM, Dr. David Alan Gilbert wrote:
> * John Snow (address@hidden) wrote:
>
> <snip>
>
>> I'd rather do something like this:
>> - Always flush bitmaps to disk on inactivate.
>
> Does that increase the time taken by the inactivate measurably?
> If it's small relative to everything else that's fine; it's just I
> always worry a little since I think this happens after we've stopped the
> CPU on the source, so is part of the 'downtime'.
>
> Dave
> --
> Dr. David Alan Gilbert / address@hidden / Manchester, UK
>
I'm worried that if we don't, we're leaving behind unusable, partially
complete files behind us. That's a bad design and we shouldn't push for
it just because it's theoretically faster.
--js
- Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Dr. David Alan Gilbert, 2018/08/01
- Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic,
John Snow <=
- Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Dr. David Alan Gilbert, 2018/08/01
- Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Denis V. Lunev, 2018/08/01
- Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Dr. David Alan Gilbert, 2018/08/01
- Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Denis V. Lunev, 2018/08/01
- Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Dr. David Alan Gilbert, 2018/08/02
- Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Denis V. Lunev, 2018/08/02
- Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Dr. David Alan Gilbert, 2018/08/02
- Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Denis V. Lunev, 2018/08/02
- Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, John Snow, 2018/08/02
- Re: [Qemu-block] [Qemu-devel] [PATCH 4/6] dirty-bitmaps: clean-up bitmaps loading and migration logic, Dr. David Alan Gilbert, 2018/08/03