[libvirt] with latest libvirt(from git) on F18, time to take internal snapshot increases as snapshot count rises

Kashyap Chamarthy kchamart at redhat.com
Fri Oct 5 17:00:55 UTC 2012


On 10/05/2012 08:07 PM, Eric Blake wrote:
> On 10/05/2012 07:09 AM, Kashyap Chamarthy wrote:
>>
>> Hi,
>>
>> the below three internal snapshots were taken when the guest is running 'live'. Any hints
>> on why the time to take snapshots keep increasing ?
> 
> That's a question for qemu folks, as it is a problem in qemu's 'savevm'
> command and nothing that libvirt can do about it.  Which is part of the
> reason that I'd really like to move away from 'savevm' over to external
> snapshots, as those are more deterministic in time.

I see, so the intention is to move away from 'savevm' over to external snapshots --
Meaning, internal snapshots(both online/offline), where everything is in a single qcow2
file are not much desired ? or am I misunderstanding it?

> 


-- 
/kashyap




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