Spark supports Scala, Java, Python & R.
Zeppelin supports the first 3, R support is in progress.

On Monday, September 28, 2015, Eugene <blackorange...@gmail.com> wrote:

> Regarding Q2, it's not really possible currently.
>
> See this feature request:
> https://issues.apache.org/jira/browse/ZEPPELIN-320
>
> 2015-09-28 4:08 GMT+04:00 Renato Perini <renato.per...@gmail.com
> <javascript:_e(%7B%7D,'cvml','renato.per...@gmail.com');>>:
>
>> Hello!
>> I want to evaluate Apache Zeppelin for some experiments in analytics at
>> my company.
>> Currently we have a custom setup for Apache Spark on Amazon EC2. This
>> small cluster is used for two purposes:
>> 1) Routing logs coming from an Apache Flume instance and writing them to
>> an Apache Cassandra database through Spark Streaming.
>> 2) Analyzing written logs on Cassandra to produce some (simple) stats for
>> the data stored on Cassandra (producing ad-hoc tables with processed
>> results).
>>
>> I have been asked to produce a simple web app demo to show the results of
>> the computations stored on Cassandra and I have thought Zeppelin can
>> facilitate my homeworks.
>> Now I have some questions, before I even attempt to install it:
>>
>> 1) Can I use Java as the programming language for interacting with Apache
>> Spark? Or I'm constrained with Scala / Python?
>> 2) Can I export images, graphs, etc. to directly use them into a separate
>> web app? Would it be difficult? Zeppelin can update those images
>> interactively as data updates on the tables and without user intervention?
>> 3) Can I read data directly from Cassandra without any further
>> processing? I have setup some tables that contains already processed data,
>> so the idea is to read those tables directly for showing some graphs (maybe
>> using loading data through SparkSQL).
>>
>> Thank you and keep up the good work.
>>
>> Renato Perini.
>>
>
>
>
> --
>
>
> Best regards,
> Eugene.
>

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