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https://issues.apache.org/jira/browse/YARN-2048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13996096#comment-13996096
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Zhijie Shen commented on YARN-2048:
-----------------------------------

bq. Seems Zhijie Shen's patch fetch containers from ApplicationContext.

Currently, the history web UI fetches data (app/attempt/container) from 
ApplicationContext, while RM web UI does it from RM context. My ultimate goal 
to uniform both history and rm web UI, and uniform the data source with the RPC 
protocol.

> List all of the containers of an application from the yarn web
> --------------------------------------------------------------
>
>                 Key: YARN-2048
>                 URL: https://issues.apache.org/jira/browse/YARN-2048
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager, webapp
>    Affects Versions: 2.3.0, 2.4.0, 2.5.0
>            Reporter: Min Zhou
>         Attachments: YARN-2048-trunk-v1.patch
>
>
> Currently, Yarn haven't provide a way to list all of the containers of an 
> application from its web. This kind of information is needed by the 
> application user. They can conveniently know how many containers their 
> applications already acquired as well as which nodes those containers were 
> launched on.  They also want to view the logs of each container of an 
> application.
> One approach is maintain a container list in RMAppImpl and expose this info 
> to Application page. I will submit a patch soon



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