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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1964) Support Docker containers in YARN
Date Thu, 24 Apr 2014 21:29:32 GMT

    [ https://issues.apache.org/jira/browse/YARN-1964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13980313#comment-13980313
] 

Junping Du commented on YARN-1964:
----------------------------------

I think one feasible way to do this now is to add container type info (optional) in specifying
ContainerRequest in application and going on to ResourceRequest when AM ask RM, it also can
support cases that AM ask more than one type of containers for different purpose. The interesting
thing is when resource scheduler try to schedule RR to nodes, it should not only consider
location of resource request but also the container types supported NM (assume a heterogenous
env in possible). It add a little complexity here but with getting flexibility.

> 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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