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From Adam Bordelon <a...@mesosphere.io>
Subject Re: Dynamic Resource Roles
Date Wed, 10 Sep 2014 17:03:47 GMT
BenH has been calling these "master reservations" (globally control
reservations across all slaves through the master) and "offer reservations"
(I don't care which nodes it's on, as long as I get X cpu and Y RAM, or Z
sets of {X,Y}), and they're definitely on the roadmap.

On Wed, Sep 10, 2014 at 9:05 AM, Tom Arnfeld <tom@duedil.com> wrote:

> That's very cool, thanks.
>
> On Wed, Sep 10, 2014 at 4:59 PM, Timothy Chen <tnachen@gmail.com> wrote:
>
> > Hi Tom,
> > Reservations is definitely something we've discussed and will be
> addressed in the near future.
> > Tim
> >> On Sep 10, 2014, at 7:49 AM, Tom Arnfeld <tom@duedil.com> wrote:
> >>
> >> Hey everyone,
> >>
> >> Just a quick question. Has the ever been any discussion around dynamic
> >> roles?
> >>
> >> What I mean by this – currently if I want to guarantee 1 core and 10 GB
> of
> >> ram to a specific type of framework (or "role") I need to do this at a
> >> slave level. This means if I only want to guarantee a small number of
> >> resources, I could do this on one slave. If that slave dies, that
> resource
> >> is no longer available.
> >>
> >> It would be interesting to see the master (DRF scheduler) capable of
> >> reserving a minimum about of resource for offering only to frameworks
> of a
> >> certain role, such that I can guarantee R amount of resources on N
> slaves
> >> across the cluster as a whole.
> >>
> >> Tom.
>

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