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https://issues.apache.org/jira/browse/YARN-1123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13768925#comment-13768925
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Zhijie Shen commented on YARN-1123:
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Currently, there're two existing choices: records.Container and RMContainer.
1. RMContainer is obviously not suitable as it is the internal stuff of RM
2. Record is the proto that is used during the communication between AM and RM.
It contains the info for RM to allocate container. The info is also not user
oriented, such as ContainerToken.
Therefore, like ApplicationReport and ApplicationAttemptReport, we need a proto
class to wrap the user oriented info and expose it to the users.
> [YARN-321] Adding ContainerReport and Protobuf implementation
> -------------------------------------------------------------
>
> Key: YARN-1123
> URL: https://issues.apache.org/jira/browse/YARN-1123
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Zhijie Shen
> Assignee: Zhijie Shen
>
> Like YARN-978, we need some client-oriented class to expose the container
> history info. Neither Container nor RMContainer is the right one.
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