Well if it needs to read from hdfs then it will adhere to the permissions
defined there And/or in ranger. However, I am not aware that you can
protect dataframes, tables or streams in general in Spark.

Le jeu. 3 sept. 2015 à 21:47, Daniel Schulz <danielschulz2...@hotmail.com>
a écrit :

> Hi Matei,
>
> Thanks for your answer.
>
> My question is regarding simple authenticated Spark-on-YARN only, without
> Kerberos. So when I run Spark on YARN and HDFS, Spark will pass through my
> HDFS user and only be able to access files I am entitled to read/write?
> Will it enforce HDFS ACLs and Ranger policies as well?
>
> Best regards, Daniel.
>
> > On 03 Sep 2015, at 21:16, Matei Zaharia <matei.zaha...@gmail.com> wrote:
> >
> > If you run on YARN, you can use Kerberos, be authenticated as the right
> user, etc in the same way as MapReduce jobs.
> >
> > Matei
> >
> >> On Sep 3, 2015, at 1:37 PM, Daniel Schulz <danielschulz2...@hotmail.com>
> wrote:
> >>
> >> Hi,
> >>
> >> I really enjoy using Spark. An obstacle to sell it to our clients
> currently is the missing Kerberos-like security on a Hadoop with simple
> authentication. Are there plans, a proposal, or a project to deliver a
> Ranger plugin or something similar to Spark. The target is to differentiate
> users and their privileges when reading and writing data to HDFS? Is
> Kerberos my only option then?
> >>
> >> Kind regards, Daniel.
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