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MapReduce, mail # user - authentication when uploading in to hadoop HDFS

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Re: authentication when uploading in to hadoop HDFS
Visioner Sadak 2013-08-30, 06:38
also we have done a password-less ssh within our clusters only so that  we
can access the cluster but i guess this wont be the case for an external
user right
On Fri, Aug 30, 2013 at 12:05 PM, Visioner Sadak

> Hello friends we use filesystem.copyFrmLocal method of java api within a
> tomcat conntainer  to move data in to   hadoop clusters, will any other
> unauthorised user will be able to write in to our hadoop cluster using the
> java api or is any extra authenticaton needed from our side