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From "Xuan Gong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-561) Nodemanager should set some key information into the environment of every container that it launches.
Date Fri, 19 Apr 2013 05:43:17 GMT

    [ https://issues.apache.org/jira/browse/YARN-561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13636093#comment-13636093

Xuan Gong commented on YARN-561:

The new patch includes several changes:
1. move node_http_port to Environment
2. in order to set containerId, node_host, node_port and node_http_port at containerLaunch,
we export org.apache.hadoop.yarn.api.records.Container into org.apache.hadoop.yarn.server.nodemanager.containermanager.container.
3. Remove containerId, resource from org.apache.hadoop.yarn.server.nodemanager.containermanager.container.
We already export container API, we can get ContainerId, resource from there
4. Fix the related test cases changes.
> Nodemanager should set some key information into the environment of every container that
it launches.
> -----------------------------------------------------------------------------------------------------
>                 Key: YARN-561
>                 URL: https://issues.apache.org/jira/browse/YARN-561
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Hitesh Shah
>            Assignee: Xuan Gong
>              Labels: usability
>         Attachments: YARN-561.1.patch, YARN-561.2.patch, YARN-561.3.patch, YARN-561.4.patch,
> Information such as containerId, nodemanager hostname, nodemanager port is not set in
the environment when any container is launched. 
> For an AM, the RM does all of this for it but for a container launched by an application,
all of the above need to be set by the ApplicationMaster. 
> At the minimum, container id would be a useful piece of information. If the container
wishes to talk to its local NM, the nodemanager related information would also come in handy.

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