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[Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant
From: |
Juan Quintela |
Subject: |
[Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant |
Date: |
Tue, 30 Nov 2010 21:56:29 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) |
Anthony Liguori <address@hidden> wrote:
> On 11/30/2010 01:15 PM, Juan Quintela wrote:
>>>> At the end of the ram_save_live(). This was the reason that I put the
>>>> information there.
>>>>
>>>> for the 24mins stall (I don't have that machine anymore) I had less
>>>> "exact" measurements. It was the amount that it "decided" to sent in
>>>> the last non-live part of memory migration. With the stalls& zero page
>>>> account, we just got to the point where we had basically infinity speed.
>>>>
>>>>
>>> That's not quite guest visible.
>>>
>> Humm, guest don't answer in 24mins
>> monitor don't answer in 24mins
>> ping don't answer in 24mins
>>
>> are you sure that this is not visible? Bug report put that guest had
>> just died, it was me who waited to see that it took 24mins to end.
>>
>
> I'm extremely sceptical that any of your patches would address this
> problem. Even if you had to scan every page in a 400GB guest, it
> would not take 24 minutes. Something is not quite right here.
>
> 24 minutes suggests that there's another problem that is yet to be
> identified.
I haven't tested the lastest versions of the patches sent to the list,
but a previous version fixed that problem.
If I get my hands on the machine will try to reproduce the problem and
measure things.
Later, Juan.
- [Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant, (continued)
- [Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant, Michael S. Tsirkin, 2010/11/24
- Message not available
- Message not available
- [Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant, Anthony Liguori, 2010/11/30
- [Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant, Juan Quintela, 2010/11/30
- [Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant, Michael S. Tsirkin, 2010/11/30
- [Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant, Juan Quintela, 2010/11/30
- [Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant, Anthony Liguori, 2010/11/30
- [Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant, Juan Quintela, 2010/11/30
- [Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant, Anthony Liguori, 2010/11/30
- [Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant, Juan Quintela, 2010/11/30
- [Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant, Anthony Liguori, 2010/11/30
- [Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant,
Juan Quintela <=
- [Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant, Michael S. Tsirkin, 2010/11/30
- [Qemu-devel] Re: [PATCH 02/10] Add buffered_file_internal constant, Anthony Liguori, 2010/11/30
[Qemu-devel] [PATCH 01/10] Add spent time to migration, Juan Quintela, 2010/11/23
[Qemu-devel] [PATCH 04/10] No need to iterate if we already are over the limit, Juan Quintela, 2010/11/23
[Qemu-devel] [PATCH 05/10] KVM don't care about TLB handling, Juan Quintela, 2010/11/23
[Qemu-devel] [PATCH 03/10] Add printf debug to savevm, Juan Quintela, 2010/11/23
[Qemu-devel] [PATCH 06/10] Only calculate expected_time for stage 2, Juan Quintela, 2010/11/23
[Qemu-devel] [PATCH 07/10] ram_save_remaining() returns an uint64_t, Juan Quintela, 2010/11/23