Hello, any thoughts on this ? Thank you --
Bruno Oliveira Developer, Software Engineer irc: lychinus | skype: brunnop.oliveira brunnop.olive...@gmail.com On Mon, Jul 1, 2013 at 4:22 PM, Bruno Oliveira ~lychinus <brunnop.olive...@gmail.com> wrote: > Hello Stackers, > > Today morning I saw an interesting question regarding CPU Scaling > in the list, which got me to ask the following: > > Currently (or in the roadmap) do we have any feature on Nova > (regardless of the hypervisor underneath) to set maximum disk I/O > throughput a VM can have ? > > I mean, let's say we have hundreds of VMs under the same host as > in production, and for some reason we're lacking performance due to > one (or a few of them) being too hungry/greedy for disk reads/writes. > > Question 1) Is there a way we can set quotas for disk I/O for a (group of) > instances ? Like: for this one (or this group), don't exceed the threshold > of 50 MB/seg > > Question 2) Also, do we have anything like vertical scalling ? > I mean, like defining CPU and Memory Balloons as extra resources > that a set of VMs can make use of (temporarily), if they're demanding to ? > > Note: I've seen some of the videos of "Heat" talking about increasing > horizontally the number of instances behind a load balancer to attend > an increasing number of user requests, for instances... > > Thank you so much. > > -- > > Bruno Oliveira > Developer, Software Engineer > irc: lychinus | skype: brunnop.oliveira > brunnop.olive...@gmail.com _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp