Open Stack

Dear EJ,

Do you have an idea for an app which will utilise live container migration,
or are you raising "container migration" as a potential risk for the
hackathon?

BTW EJ, Which containers are you using and what is your interest in their
use?  For which applications are you using containers?  I'm interested to
learn more.

Kind Regards,

Flanders

On Mon, Jan 11, 2016 at 2:02 PM, <Yuh-Jye.Chang at itri.org.tw> wrote:

> In my openstack deployment, I used containers for different openstack
> components. Since the kernel is shared, some of the global parameters needs
> to be adjusted, for example, the max open file descriptor. Or you will soon
> find yourself running out of file descriptors in your containers. This kind
> of optimization may take time to shape. Also, other than those container
> advantages, there is no way to do live-migration at the current state of
> art.
>   For the purpose of the Hackathon, I don’t think live migration is needed
> for most of the cloud application. They just need to have a lot of
> containers to scale out their cloud application. Also, for those simple
> application that does not use a lot of file descriptors, they may not hit
> the issue of using up file descriptors like the mysql process or
> rabbitmq-server does. But, just in case, some of the cloud applications
> want to show how to optimized the energy usage of the compute node by
> moving the VMs around, you could not do that with containers.
>
> Regards,
> EJ
> F Division, ICL, ITRI
>
>
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