Just note that since Essex release Nova by default use fill-first cost function, meaning that nodes with less free RAM will be preferred for new instances.
Kind regards, Yuriy. On Sun, Apr 29, 2012 at 8:28 PM, Szymon Grzybowski <semy...@gmail.com> wrote: > Hi, > > Me and my colleague are doing research about openstack and energy efficiency > during part of our master thesis about cloud computing. And mayby we would > like to write something inside nova-scheduler to dynamically manage vms from > cloud administrator's point of view. the general idea is to automate process > of vm migration to suite current policy. For example, we have 10 servers in > cloud with nova-compute, each is capable of running 5 vm. I'd like to run 20 > vms. Aaccording to current nova-scheduler (filters), each server will run 2 > VMs, but it would be cheaper (this is policy defined by administrator) if we > run all of them on just 4 servers. of course, cloud has to keep proper QoS > rate (response time etc.). This is general idea. > > Energy efficiency is really popular topic, when we talk about > servers,datacenters and virtualization, but I can't find any papers about it > in context of openstack. Are there any projects doing such researches or > articles? in fact it would be really surprising if there is nothing about > energy efficiency in context of openstack. > > Cheers, > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp