great, thanks very much
cordialement, regards,
Nelson LAMEIRAS
Ingénieur Systèmes et Réseaux / Systems and Networks engineer
Tel: +33 5 32 09 09 70
[email protected]
www.lyra-network.com | www.payzen.eu
Lyra Network, 109 rue de l'innovation, 31670 Labège, FRANCE
From: "Michal Skrivanek" <[email protected]>
To: "Nelson Lameiras" <[email protected]>
Cc: "ovirt users" <[email protected]>
Sent: Friday, April 28, 2017 6:46:29 PM
Subject: Re: [ovirt-users] change Memory Ballooning setting
On 27 Apr 2017, at 16:29, Nelson Lameiras < [email protected] >
wrote:
Hello oVirt gurus,
When activating/deactivating memory balloning on VM, this will change
/usr/libexec/qemu-kvm command line on host on vm startup (you can see it using
"ps aux").
So I understand a vm reboot is needed to take this change into account.
Right. That option controls the presence of the virtio-balloon device which is
not hotpluggable
BQ_BEGIN
But when activating/deactivating memory balloning on Cluster (plus MoM Sync on
host) I do not really understand what happens "under the hood"
BQ_END
This controls the actual behavior, inflating and deflating of those balloons.
That can be done in runtime as it is external to the VM, managed by MOM demon.
BQ_BEGIN
- Is there a mechanism on host which controls "memory balloning" globally?
- Is it able to change it's behaviour "on the fly" with "MoM Sync" ?
BQ_END
Yes. You can change the policy/behavior.
HTH,
michal
BQ_BEGIN
If you have any information, it would be greatly appreciated
cordialement, regards,
<element-signature_logo_lyra_115x94.jpg>
Nelson LAMEIRAS
Ingénieur Systèmes et Réseaux / Systems and Networks engineer
Tel: +33 5 32 09 09 70
[email protected]
www.lyra-network.com | www.payzen.eu
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<element-signature_logo_LinkedIn_41x28.jpg>
<element-signature_logo_Twitter_42x28.jpg>
<element-signature_payzen_61x28.jpg>
Lyra Network, 109 rue de l'innovation, 31670 Labège, FRANCE
BQ_END
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