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Re: [Qemu-devel] [PATCH] add migration capability to bypass the shared m
From: |
Lai Jiangshan |
Subject: |
Re: [Qemu-devel] [PATCH] add migration capability to bypass the shared memory |
Date: |
Wed, 10 Aug 2016 09:09:45 +0800 |
On Wed, Aug 10, 2016 at 3:12 AM, Dr. David Alan Gilbert
<address@hidden> wrote:
> * Lai Jiangshan (address@hidden) wrote:
>> The feature vm-template makes the containers(VMs) can
>> be started in 130ms and save 80M memory for every
>> container(VM). So that the hyper containers are fast
>> and high-density as normal containers.
>
> Very nice.
Hello, David,
thank you for your review.
>>
>> 4) yet-another-post-copy-migration
>> It is a possible feature, no toolkit can do it well now.
>> Using nbd server/client on the memory file is reluctantly Ok but
>> inconvenient. A special feature for tmpfs might be needed to
>> fully complete this feature.
>> No one need yet another post copy migration method,
>> but it is possible when some crazy man need it.
>
> Well as the crazy man who wrote the current postcopy code, what would
> you need it to do that the current one can't?
I don't think we need to add a new post-copy-migration method.
I mentioned it for showing one of the potentials of this patch.
>
> I can't see anything noticeably wrong with your code; but I see the bot
> gave you some style warnings.
Fixed in v2.
Thanks,
Lai
>
> Dave
>
>> Signed-off-by: Lai Jiangshan <address@hidden>
>> ---
>> exec.c | 5 +++++
>> include/exec/cpu-common.h | 1 +
>> include/migration/migration.h | 1 +
>> migration/migration.c | 9 +++++++++
>> migration/ram.c | 37 ++++++++++++++++++++++++++++---------
>> qapi-schema.json | 6 +++++-
>> qmp-commands.hx | 3 +++
>> 7 files changed, 52 insertions(+), 10 deletions(-)
- Re: [Qemu-devel] [PATCH V2] add migration capability to bypass the shared memory, (continued)
- Re: [Qemu-devel] [PATCH V2] add migration capability to bypass the shared memory, Fam Zheng, 2016/08/09
- Re: [Qemu-devel] [PATCH V2] add migration capability to bypass the shared memory, Li, Liang Z, 2016/08/09
- Re: [Qemu-devel] [PATCH V2] add migration capability to bypass the shared memory, Lai Jiangshan, 2016/08/09
- Re: [Qemu-devel] [PATCH V2] add migration capability to bypass the shared memory, Li, Liang Z, 2016/08/10
- Re: [Qemu-devel] [PATCH V2] add migration capability to bypass the shared memory, Juan Quintela, 2016/08/10
- Re: [Qemu-devel] [PATCH V2] add migration capability to bypass the shared memory, Li, Liang Z, 2016/08/11
- Re: [Qemu-devel] [PATCH V2] add migration capability to bypass the shared memory, Lai Jiangshan, 2016/08/11
- Re: [Qemu-devel] [PATCH V2] add migration capability to bypass the shared memory, Lai Jiangshan, 2016/08/11
- Re: [Qemu-devel] [PATCH V2] add migration capability to bypass the shared memory, Li, Liang Z, 2016/08/12
- Re: [Qemu-devel] [PATCH V2] add migration capability to bypass the shared memory, Lai Jiangshan, 2016/08/12
Re: [Qemu-devel] [PATCH] add migration capability to bypass the shared memory,
Lai Jiangshan <=
Re: [Qemu-devel] [PATCH] add migration capability to bypass the shared memory, Juan Quintela, 2016/08/10