[pve-devel] [PATCH 3/3] add downtime && expected_downtime query-migrate info

Stefan Priebe s.priebe at profihost.ag
Sun Dec 30 14:15:57 CET 2012


Hi Alexandre,

attached you'll find a patchset with 10 more patches which make 
migration even more faster. They're stable for me too.

Greets,
Stefan

Am 29.12.2012 15:54, schrieb Stefan Priebe - Profihost AG:
> Great! To me even xzbrle works fine now.
>
> Am 29.12.2012 um 15:47 schrieb Alexandre DERUMIER <aderumier at odiso.com>:
>
>> I have just done some little tests with qemu 1.3 + migration patches set,
>>
>> now it's working fine, no more crash ! (playing video hd).
>>
>> setting migrate_set_downtime to 1sec, give me:
>>
>> for no memory activity : 36ms downtime
>>
>> for high memory activity : 650ms downtime
>>
>>
>> I'll do more extensive tests monday.
>>
>> Thanks for the patches !
>>
>>
>>
>> ----- Mail original -----
>>
>> De: "Stefan Priebe" <s.priebe at profihost.ag>
>> À: "Alexandre DERUMIER" <aderumier at odiso.com>
>> Cc: pve-devel at pve.proxmox.com, "Dietmar Maurer" <dietmar at proxmox.com>
>> Envoyé: Samedi 29 Décembre 2012 15:07:30
>> Objet: Re: [pve-devel] [PATCH 3/3] add downtime && expected_downtime query-migrate info
>>
>> Hi,
>>
>> Am 29.12.2012 15:02, schrieb Alexandre DERUMIER:
>>> oh, ok.
>>>
>>> I'll tests the patchs mondays.
>> Thanks!
>>
>>> Does migration works fine for you with them ?
>> Yes - it works fine / perfectly. But i've no VM with a desktop to play
>> HD videos ;-)
>>
>> Stefan
>>
>>> ----- Mail original -----
>>>
>>> De: "Stefan Priebe" <s.priebe at profihost.ag>
>>> À: "Alexandre DERUMIER" <aderumier at odiso.com>
>>> Cc: pve-devel at pve.proxmox.com, "Dietmar Maurer" <dietmar at proxmox.com>
>>> Envoyé: Samedi 29 Décembre 2012 14:55:33
>>> Objet: Re: [pve-devel] [PATCH 3/3] add downtime && expected_downtime query-migrate info
>>>
>>> Hi Alexandre,
>>> Am 29.12.2012 14:51, schrieb Alexandre DERUMIER:
>>>> Great to known that you finally found it !.
>>> Not found ;-) just know that the rework of the migration code fixes it.
>>> May be it might be a deadlock - they've changed the locking and
>>> threading handling.
>>>
>>>> (Do you have respond to Paolo Bonzini, because the last response I see was that it was not working).
>>> No - i just tried to apply parts of the patchset on qemu 1.3 instead of
>>> using whole 1.4 git trunk.
>>>
>>>>>> Alexandre might you try my rebased patches on top of pve-qemu 1.3?
>>>> So, Do you want to apply the first patch only (to fix you bug), or apply the whole patches set ? (equal to current git code ?).
>>> All patches i had attached ;-)
>>>
>>>> Not sure that Dietmar want to apply the big patches set ;)
>>> sure but just wanted to know if they're stable for you too. So if
>>> they're i will care about them in my own branch. So I've at least a
>>> working migration.
>>>
>>>> I'll retest the whole patches set, because I was having migration problem (vm paused with error) with last qemu git.
>>> That's why i've ported not all patches and on top of qemu 1.3 instead of
>>> qemu 1.4.
>>>
>>> Stefan
>>>
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