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MapReduce >> mail # user >> Impersonating HDFS user

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Re: Impersonating HDFS user

You might be looking for something like :


It is a JAAS wrapper for Hadoop.



On Fri, Oct 5, 2012 at 3:19 PM, Oleg Zhurakousky <[EMAIL PROTECTED]
> wrote:

> I am working on some samples where I want to write to HDFS running on
> another machine (different OS etc.)
> The identity of my client process is just whatever my OS says it is
> (e.g., 'oleg') hence:
> 08:56:49,240 DEBUG IPC Client (47) connection to / oleg ipc.Client:803 - IPC Client (47) connection to /
> from oleg got value #2
> But there is no 'oleg' where the hadoop is running. Instead there is
> 'hduser'.
> Is there a way or an equivalent of "RunAs" in hadoop?
> Thanks
> Oleg

Bertrand Dechoux