Íñigo Goiri commented on HDFS-13248:

Thanks for the patch, Íñigo Goiri. Took a quick pass, #3 design LGTM.

Thanks, I'll start building the unit tests for this and testing it in dev.
Eventually, we will need a check from people more familiar with the tokens 
wiring in the NN.

> RBF: namenode need to choose block location for the client
> ----------------------------------------------------------
>                 Key: HDFS-13248
>                 URL: https://issues.apache.org/jira/browse/HDFS-13248
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Weiwei Wu
>            Assignee: Íñigo Goiri
>            Priority: Major
>         Attachments: HDFS-13248.000.patch, clientMachine-call-path.jpeg, 
> debug-info-1.jpeg, debug-info-2.jpeg
> When execute a put operation via router, the NameNode will choose block 
> location for the router, not for the real client. This will affect the file's 
> locality.
> I think on both NameNode and Router, we should add a new addBlock method, or 
> add a parameter for the current addBlock method, to pass the real client 
> information.

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