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https://issues.apache.org/jira/browse/HDFS-13293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17193397#comment-17193397
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Fei Hui commented on HDFS-13293:
--------------------------------

[~aajisaka][~elgoiri] I think maybe we need to do three things.
* File a new jira and extend CallerContext in hadoop common, it can contains 
many key value pairs.
* add real client ip to the caller context in this jira. 
*hadoop.caller.context.enabled* has been used by audit log ,should we add new 
parameter?
* File a new jira and Fix the way Yarn use CallerContext (Add key value to the 
context)
What do you think ?

> RBF: The RouterRPCServer should transfer CallerContext and client ip to 
> NamenodeRpcServer
> -----------------------------------------------------------------------------------------
>
>                 Key: HDFS-13293
>                 URL: https://issues.apache.org/jira/browse/HDFS-13293
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: maobaolong
>            Assignee: Fei Hui
>            Priority: Major
>         Attachments: HDFS-13293.001.patch
>
>
> Otherwise, the namenode don't know the client's callerContext



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