[jira] [Commented] (YARN-5696) add container_tag to Distributedshell's env

["Naganarasimha G R (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-5696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15542500#comment-15542500 ] 

Naganarasimha G R commented on YARN-5696:
-----------------------------------------

[~kyungwan nam], may be you mention some background for this requirement ? why do we require it ? currently its possible that all the container are allocated for distributed shell on the same node or different nodes, so in such cases what are you expecting? particular node to do specific task ?

> add container_tag to Distributedshell's env
> -------------------------------------------
>
>                 Key: YARN-5696
>                 URL: https://issues.apache.org/jira/browse/YARN-5696
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: applications/distributed-shell
>            Reporter: kyungwan nam
>            Assignee: kyungwan nam
>            Priority: Minor
>         Attachments: YARN-5696-branch-2.7.3.001.patch
>
>
> a number of containers can be allocated by "num_containers" option.
> but, there is no way to assign different input to each container.
> each container has a unique id between 0 and (num_containers - 1).
> so, user can assign different input (or role) per container.



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