[jira] [Updated] (MESOS-3424) Support fetching AppC images into the store

["Jojy Varghese (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-3424?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jojy Varghese updated MESOS-3424:
---------------------------------
        Shepherd: Jie Yu
        Assignee: Jojy Varghese
          Sprint: Mesosphere Sprint 29
    Story Points: 5
     Component/s: containerization

> Support fetching AppC images into the store
> -------------------------------------------
>
>                 Key: MESOS-3424
>                 URL: https://issues.apache.org/jira/browse/MESOS-3424
>             Project: Mesos
>          Issue Type: Task
>          Components: containerization
>            Reporter: Vinod Kone
>            Assignee: Jojy Varghese
>              Labels: mesosphere, twitter, unified-containerizer-mvp
>
> So far AppC store is read only and depends on out of band mechanisms to get the images. We need to design a way to support fetching in a native way.
> As commented on MESOS-2824:
> It's unacceptable to have either have:
> * the slave to be blocked for extended period of time (minutes) which delays the communication between the executor and scheduler, or
> * the first task that uses this image to be blocked for a long time to wait for the container image to be ready.
> The solution needs to enable the operator to prefetch a list of "preferred images" without introducing the above problems.



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