openstack team mailing list archive

[Shake Chen <shake.chen@xxxxxxxxx>]

https://blueprints.launchpad.net/nova/+spec/quota-instance-resource

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 <
brunnop.oliveira@xxxxxxxxx> wrote:

> Hello, any thoughts on this ?
>
> Thank you
> --
>
> Bruno Oliveira
> Developer, Software Engineer
> irc: lychinus | skype: brunnop.oliveira
> brunnop.oliveira@xxxxxxxxx
>
>
>
>
>
> 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
> 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.oliveira@xxxxxxxxx
>
> _______________________________________________
> Mailing list: https://launchpad.net/~openstack
> Post to     : openstack@xxxxxxxxxxxxxxxxxxx
> Unsubscribe : https://launchpad.net/~openstack
> More help   : https://help.launchpad.net/ListHelp
>



-- 
Shake Chen