[jira] [Commented] (MESOS-2824) Support pre-fetching images

["Ilya Pronin (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MESOS-2824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15901585#comment-15901585 ] 

Ilya Pronin commented on MESOS-2824:
------------------------------------

Review requests:
https://reviews.apache.org/r/57425/ ({{Containerizer::pull}} method)
https://reviews.apache.org/r/57426/ ({{PULL_CONTAINER_IMAGE}} agent API call)
https://reviews.apache.org/r/57427/ (authorization for {{PULL_CONTAINER_IMAGE}} API call)

> Support pre-fetching images
> ---------------------------
>
>                 Key: MESOS-2824
>                 URL: https://issues.apache.org/jira/browse/MESOS-2824
>             Project: Mesos
>          Issue Type: Improvement
>          Components: isolation
>    Affects Versions: 0.23.0
>            Reporter: Ian Downes
>            Assignee: Ilya Pronin
>            Priority: Minor
>              Labels: mesosphere, twitter
>
> Default container images can be specified with the --default_container_info flag to the slave. This may be a large image that will take a long time to initially fetch/hash/extract when the first container is provisioned. Add optional support to start fetching the image when the slave starts and consider not registering until the fetch is complete.
> To extend that, we should support an operator endpoint so that operators can specify images to pre-fetch.



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