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From "Santhosh Kumar Shanmugham (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-7089) Local Docker Resolver for Mesos Containerizer
Date Tue, 14 Feb 2017 17:54:41 GMT

    [ https://issues.apache.org/jira/browse/MESOS-7089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15866246#comment-15866246
] 

Santhosh Kumar Shanmugham commented on MESOS-7089:
--------------------------------------------------

https://reviews.apache.org/r/56657/

> Local Docker Resolver for Mesos Containerizer
> ---------------------------------------------
>
>                 Key: MESOS-7089
>                 URL: https://issues.apache.org/jira/browse/MESOS-7089
>             Project: Mesos
>          Issue Type: Story
>            Reporter: Santhosh Kumar Shanmugham
>
> Docker’s mutable tags serve as a layer of indirection which can be used to point a
tag to different images digests (concrete immutable images) at different points in time. For
instance `latest` tag can point `digest-0` at t0 and then to `digest-1` at t1. Mesos has support
for local docker registry, where the images are files on the local filesystem, named either
as `repo:tag` or `repo@digest`. This approach trims the degree of freedom provided by the
indirection mentioned above (from Docker’s mutable tags), which can be essential in some
cases. For instance, it might be useful in cases, where the operator of a cluster would like
to rollout image updates without having the customers to update their task configuration.



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