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From "David P Grove" <gro...@us.ibm.com>
Subject Re: Don't differentiate between blackbox and whitebox images
Date Wed, 28 Nov 2018 14:59:05 GMT
Rodric Rabbah <rodric@gmail.com> wrote on 11/28/2018 07:09:12 AM:
>
> I think it would be a mistake to blindly merge two container pools -
> docker actions as run today are pulled as needed and can take a long
> time, they’re subject to different kinds of attacks, and can affect
> performance of other tenants (higher noisy neighbors).
>
> If you want to allow more overlap, it should be at least done as a
> configuration parameter which allows different pools to continue to
> exist (note that for small N as in local dev they’re allowed to
> overlap today). Or, used for overflow only as a way of providing
> more elasticity.
>

Note that if we are using the KubernetesContainerFactory (or I believe the
MesosContainerFactory) the separation at the invoker level is not really
necessarily effective at avoiding noisy neighbors since there is no longer
a 1:1 match from invoker to docker daemons.

--dave

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