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Re: [Nova] CPU Scalling, Quota for Disk I/O
In my view the instance recourse like cpu, network, disk io quota feature
have in Grizzly. we just need to add the feature to Horizon.
On Wed, Jul 10, 2013 at 3:53 AM, Bruno Oliveira ~lychinus <
> Hello, any thoughts on this ?
> Thank you
> Bruno Oliveira
> Developer, Software Engineer
> irc: lychinus | skype: brunnop.oliveira
> On Mon, Jul 1, 2013 at 4:22 PM, Bruno Oliveira ~lychinus
> <brunnop.oliveira@xxxxxxxxx> 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
> > instances ? Like: for this one (or this group), don't exceed the
> > 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.oliveira@xxxxxxxxx
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