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From oppokui <oppo...@gmail.com>
Subject Re: Support R in Spark
Date Sat, 06 Sep 2014 09:53:00 GMT
Cool! It is a very good news. Can’t wait for it.

Kui 

> On Sep 5, 2014, at 1:58 AM, Shivaram Venkataraman <shivaram@eecs.berkeley.edu>
wrote:
> 
> Thanks Kui. SparkR is a pretty young project, but there are a bunch of
> things we are working on. One of the main features is to expose a data
> frame API (https://sparkr.atlassian.net/browse/SPARKR-1) and we will
> be integrating this with Spark's MLLib.  At a high-level this will
> allow R users to use a familiar API but make use of MLLib's efficient
> distributed implementation. This is the same strategy used in Python
> as well.
> 
> Also we do hope to merge SparkR with mainline Spark -- we have a few
> features to complete before that and plan to shoot for integration by
> Spark 1.3.
> 
> Thanks
> Shivaram
> 
> On Wed, Sep 3, 2014 at 9:24 PM, oppokui <oppokui@gmail.com> wrote:
>> Thanks, Shivaram.
>> 
>> No specific use case yet. We try to use R in our project as data scientest
>> are all knowing R. We had a concern that how R handles the mass data. Spark
>> does a better work on big data area, and Spark ML is focusing on predictive
>> analysis area. Then we are thinking whether we can merge R and Spark
>> together. We tried SparkR and it is pretty easy to use. But we didn’t see
>> any feedback on this package in industry. It will be better if Spark team
>> has R support just like scala/Java/Python.
>> 
>> Another question is that MLlib will re-implement all famous data mining
>> algorithms in Spark, then what is the purpose of using R?
>> 
>> There is another technique for us H2O which support R natively. H2O is more
>> friendly to data scientist. I saw H2O can also work on Spark (Sparkling
>> Water).  It is better than using SparkR?
>> 
>> Thanks and Regards.
>> 
>> Kui
>> 
>> 
>> On Sep 4, 2014, at 1:47 AM, Shivaram Venkataraman
>> <shivaram@eecs.berkeley.edu> wrote:
>> 
>> Hi
>> 
>> Do you have a specific use-case where SparkR doesn't work well ? We'd love
>> to hear more about use-cases and features that can be improved with SparkR.
>> 
>> Thanks
>> Shivaram
>> 
>> 
>> On Wed, Sep 3, 2014 at 3:19 AM, oppokui <oppokui@gmail.com> wrote:
>>> 
>>> Does spark ML team have plan to support R script natively? There is a
>>> SparkR project, but not from spark team. Spark ML used netlib-java to talk
>>> with native fortran routines or use NumPy, why not try to use R in some
>>> sense.
>>> 
>>> R had lot of useful packages. If spark ML team can include R support, it
>>> will be a very powerful.
>>> 
>>> Any comment?
>>> 
>>> 
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>> 
>> 


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