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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1964) Support Docker containers in YARN
Date Thu, 24 Apr 2014 20:39:27 GMT

    [ https://issues.apache.org/jira/browse/YARN-1964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13980238#comment-13980238

Wangda Tan commented on YARN-1964:

[~ashahab], Thanks for you patch! As you said, 
bq.  However, I would like to move it down to the job configuration so that ...
I hope you could share more ideas job configuration you mentioned, is it a YARN application
specific configuration or it will be a part of NM's configuration? I asked this because currently,
we don't have such ability (Please correct me if I was wrong) to specify application-specific
config when running a YARN application. We should leave an option to user specify their own
configuration to RM or NM, which can help them creating runtime-selectable modules (like select
CE at runtime).

> Support Docker containers in YARN
> ---------------------------------
>                 Key: YARN-1964
>                 URL: https://issues.apache.org/jira/browse/YARN-1964
>             Project: Hadoop YARN
>          Issue Type: New Feature
>    Affects Versions: 2.2.0
>            Reporter: Arun C Murthy
>            Assignee: Abin Shahab
>         Attachments: yarn-1964-branch-2.2.0-docker.patch
> Docker (https://www.docker.io/) is, increasingly, a very popular container technology.
> In context of YARN, the support for Docker will provide a very elegant solution to allow
applications to *package* their software into a Docker container (entire Linux file system
incl. custom versions of perl, python etc.) and use it as a blueprint to launch all their
YARN containers with requisite software environment. This provides both consistency (all YARN
containers will have the same software environment) and isolation (no interference with whatever
is installed on the physical machine).

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