[ovirt-users] SLA : RAM scheduling

[Doron Fediuck]

----- Original Message -----
> From: "Gilad Chaplik" <gchaplik at redhat.com>
> To: "Nathanaël Blanchet" <blanchet at abes.fr>
> Cc: "users" <users at ovirt.org>
> Sent: Saturday, May 24, 2014 11:52:10 AM
> Subject: Re: [ovirt-users] SLA : RAM scheduling
> 
> ----- Original Message -----
> > From: "Gilad Chaplik" <gchaplik at redhat.com>
> > To: "Nathanaël Blanchet" <blanchet at abes.fr>
> > Cc: "Karli Sjöberg" <Karli.Sjoberg at slu.se>, "users" <users at ovirt.org>
> > Sent: Saturday, May 24, 2014 11:49:48 AM
> > Subject: Re: [ovirt-users] SLA : RAM scheduling
> > 
> > Hi Nathanaël,
> > 
> > You have 2 ways to get what you're after (quick/slow):
> > 1) install 'oVirt's external scheduling proxy', and write an extremely
> > simple
> > weight function that orders hosts by used memory, then add that to your
> > cluster policy.
> > 2) open an RFE for oVirt 3.4 to have that in
> > (https://bugzilla.redhat.com/enter_bug.cgi?product=oVirt).
> 
> by 3.4, I mean 3.4.x (= anyway for (2) you'll need to upgrade), but not sure
> it will make it.
> 
> > 
> > let me know if you consider (1), and I'll assist.
> > 
> > anyway I suggest you'll open an RFE for 3.5.
> > 
> > Thanks,
> > Gilad.
> > 
> > ----- Original Message -----
> > > From: "Nathanaël Blanchet" <blanchet at abes.fr>
> > > To: "Karli Sjöberg" <Karli.Sjoberg at slu.se>
> > > Cc: "users" <users at ovirt.org>
> > > Sent: Friday, May 23, 2014 7:38:40 PM
> > > Subject: Re: [ovirt-users] SLA : RAM scheduling
> > > 
> > > even distribution is for cpu only
> > > 
> > > Le 23/05/2014 17:48, Karli Sjöberg a écrit :
> > > 
> > > 
> > > 
> > > 
> > > 
> > > Den 23 maj 2014 17:13 skrev =?ISO-8859-1?Q?Nathana=EBl_Blanchet?=
> > > <blanchet at abes.fr> :
> > > > 
> > > > 
> > > > Le 23/05/2014 17:11, Nathanaël Blanchet a écrit :
> > > > > Hello,
> > > > > On ovirt 3.4, is it possible to schedule vms distribution depending
> > > > > on
> > > > > host RAM availibility?
> > > > > Concretly, I had to manually move vms all the vms to the second host
> > > > > of the cluster, this lead to reach 90% occupation of memory on the
> > > > > destination host. When my first host has rebooted, none vms of the
> > > > > second host automatically migrated to the first one which had full
> > > > > RAM. How to make this happen?
> > > > > 
> > > > ... so as to both hosts be RAM evenly distributed... hope to be enough
> > > > clear...
> > > 
> > > Sounds like you just want to apply the cluster policy for even
> > > distribution.
> > > Have you assigned any policy for that cluster?
> > > 
> > > /K
> > > 
> > > > 
> > > > --
> > > > Nathanaël Blanchet
> > > > 
> > > > Supervision réseau
> > > > Pôle exploitation et maintenance
> > > > Département des systèmes d'information
> > > > 227 avenue Professeur-Jean-Louis-Viala
> > > > 34193 MONTPELLIER CEDEX 5
> > > > Tél. 33 (0)4 67 54 84 55
> > > > Fax 33 (0)4 67 54 84 14
> > > > blanchet at abes.fr
> > > > 
> > > > _______________________________________________
> > > > Users mailing list
> > > > Users at ovirt.org
> > > > http://lists.ovirt.org/mailman/listinfo/users
> > > 
> > > --
> > > Nathanaël Blanchet
> > > 
> > > Supervision réseau
> > > Pôle exploitation et maintenance
> > > Département des systèmes d'information
> > > 227 avenue Professeur-Jean-Louis-Viala
> > > 34193 MONTPELLIER CEDEX 5
> > > Tél. 33 (0)4 67 54 84 55
> > > Fax  33 (0)4 67 54 84 14 blanchet at abes.fr
> > > 

Sounds like this RFE:
https://bugzilla.redhat.com/show_bug.cgi?id=1093038

FWIW, you can implement your own logic in Python until we
get to implement the above RFE.