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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1609) Add Service Container type to NodeManager in YARN
Date Fri, 14 Mar 2014 06:23:08 GMT

    [ https://issues.apache.org/jira/browse/YARN-1609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13934675#comment-13934675

Wangda Tan commented on YARN-1609:

I'm leaving my current company on next week, and am no longer involved in YARN-1609, one of
my colleagues will take this Jira.

> 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
>         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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