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From "Michael Lv (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1609) Add Service Container type to NodeManager in YARN
Date Sat, 18 Jan 2014 11:20:23 GMT

    [ https://issues.apache.org/jira/browse/YARN-1609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13875627#comment-13875627

Michael Lv commented on YARN-1609:

Not to be confused -
{quote}Not really{quote}
I actually mean NM should be able to(not talking from my own experiences though) 

> Add Service Container type to NodeManager in YARN
> -------------------------------------------------
>                 Key: YARN-1609
>                 URL: https://issues.apache.org/jira/browse/YARN-1609
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>    Affects Versions: 2.2.0
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>         Attachments: Add Service Container type to NodeManager in YARN-V1.pdf
> From our work to support running OpenMPI on YARN (MAPREDUCE-2911), we found that it’s
important to have framework specific daemon process manage the tasks on each node directly.
The daemon process, most likely similar in other frameworks as well, provides critical services
to tasks running on that node(for example “wireup”, spawn user process in large numbers
at once etc). In YARN, it’s hard, if not possible, to have the those processes to be managed
by YARN. 
> We propose to extend the container model on NodeManager side to support “Service Container”
to run/manage such framework daemon/services process. We believe this is very useful to other
application framework developers as well.

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