[pve-devel] qemu-server : cpu hotplug rework

[Cesar Peschiera]

Hi

I think that if such configuration don't more slow the performance, it can 
be enabled by default.

----- Original Message ----- 
From: "Dietmar Maurer" <dietmar at proxmox.com>
To: "Alexandre DERUMIER" <aderumier at odiso.com>
Cc: "pve-devel" <pve-devel at pve.proxmox.com>
Sent: Thursday, January 22, 2015 3:31 PM
Subject: Re: [pve-devel] qemu-server : cpu hotplug rework


>> > > maybe do you don't have define vcpus ?
>> >
>> > vcpus is not set when you create a VM using the GUI.
>> >
>> > This leads to the situation that CPU hotplug is disabled by default.
>> >
>> > Any ideas how to improve that situation?
>>
>> Can we simply use topology from host on create?
>>
>> # qm create 100 --vcpus 3
>>
>> Above command use socket/cores from host, so the resulting config is
>>
>> vcpus: 3
>> sockets: 2
>> cores: 4
>>
>> What do you think?
>
> Or should we simply assume 'vcpus' is the switch to enable hotplug?
> We could do the same for memory hotplug, and disable it if 'dimm_memory' 
> is
> not defined inside config?
>
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