[Openstack] [Nova] CPU Scalling, Quota for Disk I/O
heut2008 at gmail.com
Wed Jul 10 13:13:55 UTC 2013
Here is a wiki about this feature,
you can set CPU, disk IO consume policy, network traffic bandwidth for
specified flavor. so the instance of that flavor can only consume under
controlled physical resource.
2013/7/10 Shake Chen <shake.chen at gmail.com>
> 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 at gmail.com> wrote:
>> Hello, any thoughts on this ?
>> Thank you
>> Bruno Oliveira
>> Developer, Software Engineer
>> irc: lychinus | skype: brunnop.oliveira
>> brunnop.oliveira at gmail.com
>> On Mon, Jul 1, 2013 at 4:22 PM, Bruno Oliveira ~lychinus
>> <brunnop.oliveira at 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
>> > 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 at gmail.com
>> Mailing list: https://launchpad.net/~openstack
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> Shake Chen
> Mailing list: https://launchpad.net/~openstack
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