[jira] [Updated] (MESOS-5931) Support auto backend in Unified Containerizer.

["Gilbert Song (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-5931?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gilbert Song updated MESOS-5931:
--------------------------------
    Sprint: Mesosphere Sprint 41, Mesosphere Sprint 42, Mesosphere Sprint 47  (was: Mesosphere Sprint 41, Mesosphere Sprint 42)

> Support auto backend in Unified Containerizer.
> ----------------------------------------------
>
>                 Key: MESOS-5931
>                 URL: https://issues.apache.org/jira/browse/MESOS-5931
>             Project: Mesos
>          Issue Type: Improvement
>          Components: containerization
>            Reporter: Gilbert Song
>            Assignee: Gilbert Song
>              Labels: backend, containerizer, mesosphere
>
> Currently in Unified Containerizer, copy backend will be selected by default. This is not ideal, especially for production environment. It would take a long time to prepare an huge container image to copy it from the store to provisioner.
> Ideally, we should support `auto backend`, which would automatically/intelligently select the best/optimal backend for image provisioner if user does not specify one from the agent flag.
> We should have a logic design first in this ticket, to determine how we want to choose the right backend (e.g., overlayfs or aufs should be preferred if available from the kernel).



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