Thank you all very much for the replies! Gene
On 14-05-13 06:37 PM, Ruben S. Montero wrote: > Yes, there maybe a problem. There won't be nothing to stop the > scheduler from allocating the VM if it's resumed. That's the reason > for accounting the capacity even if you are not actually using it, > you'll be granted with it as soon you request it (and its available). > > So you may be not making a "complete" use of the resource them but you > have a "reservation" for them, especially for SUSPENDED/POWER OFF. But > also for HOLD, PENDING, STOP, that will potentially interfere with > other users when the VM is resumed. > > Now we could check the quota when the VM is moved to PENDING. For > example, OpenNebula won't let you resume the VM. > > However, the other quotas should be also modified to follow the same > convention. For example, number of IP's leased from a network. The > main problem I see here is that would be conflicting with other > metrics like (number of VMs). If we only limit ACTIVE VMs a DoS attack > could be done easily by creating VMs in STOP (e.g. size of checkpoint > files is implicitly controlled by the MEMORY quota). If we preserve > the quota as in 4.6, then the MEMORY quota for ACTIVE VMs wouldn't be > useful. > > Maybe is not "fair" in all cases (I believe that only stop VMs are a > problem, and that operation is not exposed for the end-users, i.e. > cloud view ) but it is consistent for all the quotas... > > Cheers > > Ruben > > > > > On Tue, May 13, 2014 at 11:15 PM, Jon <[email protected] > <mailto:[email protected]>> wrote: > > How would that affect scheduling? For instance I have a vm that > only comes on at certain times of the day. > > I think this is a good change too, I'm just curious if there are > any repercussions to the change. > > Thanks, > Jon A > > On May 13, 2014 2:04 PM, "kiran ranjane" <[email protected] > <mailto:[email protected]>> wrote: > > +1 vote for this > > Thanks > > Kiran Ranjane > > > On Tue, May 13, 2014 at 3:05 PM, Stefan Kooman <[email protected] > <mailto:[email protected]>> wrote: > > Quoting Carlos Martín Sánchez ([email protected] > <mailto:[email protected]>): > > Hi, > > > > On Fri, May 2, 2014 at 10:51 PM, Liu, Guang Jun (Gene) < > > [email protected] > <mailto:[email protected]>> wrote: > > > > > Hi there, > > > > > > Is there a way to config or twist OpenNebula so that > quota management > > > (e.g. RAM) counts resources of active VMs only? > > > > > > I found the quota management (RAM per user) counts all > the VMs which > > > created by a user. We found if the quota only counts > the resources from the > > > active VMs, that means more sense. E.g., I have 16RAM > quota. I create one > > > VM w/ 16G RAM. Then I save/stop my VM. The system > should allow me to create > > > another VM w/ 16G RAM if quota management counts only > active VMs. > > > > > > Thanks! > > > Gene > > > > > > > There isn't a way to configure that. It would require to > modify the core. > > > > But I think it makes sense. So I return the question to > the community: > > ¿Should we consider this change in the quota behaviour? > > I vote for this change. Your not actually consuming > resources on the > hypervisor(s) for not having running vm's ... > > Gr. Stefan > > -- > | BIT BV http://www.bit.nl/ Kamer van Koophandel > 09090351 > | GPG: 0xD14839C6 +31 318 648 688 > <tel:%2B31%20318%20648%20688> / [email protected] > <mailto:[email protected]> > _______________________________________________ > Users mailing list > [email protected] <mailto:[email protected]> > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org > > > > _______________________________________________ > Users mailing list > [email protected] <mailto:[email protected]> > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org > > > _______________________________________________ > Users mailing list > [email protected] <mailto:[email protected]> > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org > > -- > -- > Ruben S. Montero, PhD > Project co-Lead and Chief Architect > <http://lists.opennebula.org/listinfo.cgi/users-opennebula.org> > OpenNebula - Flexible Enterprise Cloud Made Simple > > <http://lists.opennebula.org/listinfo.cgi/users-opennebula.org>www.OpenNebula.org > <http://www.OpenNebula.org> | [email protected] > <mailto:[email protected]> | @OpenNebula > > > > _______________________________________________ > Users mailing list > [email protected] > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
_______________________________________________ Users mailing list [email protected] http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
