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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3851) Add support for container runtimes in YARN
Date Mon, 27 Jul 2015 21:01:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-3851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14643382#comment-14643382

Allen Wittenauer commented on YARN-3851:

What is a user supposed to do with that release note?

> Add support for container runtimes in YARN 
> -------------------------------------------
>                 Key: YARN-3851
>                 URL: https://issues.apache.org/jira/browse/YARN-3851
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn
>            Reporter: Sidharta Seethana
>            Assignee: Sidharta Seethana
> We need the ability to support different container types within the same executor. Container
runtimes are lower-level implementations for supporting specific container engines (e.g docker).
These are meant to be independent of executors themselves - a given executor (e.g LinuxContainerExecutor)
could potentially switch between different container runtimes depending on what a client/application
is requesting. An executor continues to provide higher level functionality that could be specific
to an operating system - for example, LinuxContainerExecutor continues to handle cgroups,
users, diagnostic events etc. 

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