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From MTG dev <...@magnatempusgroup.net>
Subject Re: Spark in-memory analytics in BigTop stack
Date Wed, 26 Sep 2012 17:42:23 GMT
Thanks Bruno!

I have created  BIGTOP-715

Cheers,
  MTG dev
  
On Wed, Sep 26, 2012 at 01:19AM, Bruno Mahé wrote:
> zOn 09/25/2012 10:46 AM, MTG dev wrote:
> >Hi there.
> >
> >Apparently, I am not in a position to say what role Spark can play in the
> >Bigtop for I am not speaking for neither of those projects.
> >
> >However, I can tell that Spark provides a number of the advantages compare to
> >a traditional MapReduce model: stateful computational model with a need to
> >write everything back to file system after step, in-memory calculations,
> >higher level of primitives expressed in a functional language, etc. These
> >advantages combined with low-latency planner result in a very significant
> >performance improvement. I'd suggest to go over spark-project.org for more
> >information.
> >
> >I am not an expert on Drill, but I'd say that Spark give immediate benefits
> >over the former because it is already here and can be used by anyone ;)
> >
> >As for integration with Bigtop: Spark doesn't require any special integration
> >with the rest of the stack - it might use HDFS as the underlying storage, but
> >that's about it.
> >
> >Looks like there's an ongoing development to allow Spark to use Hive's SerDes,
> >but I am not completely sure about its status.
> >
> >On Mon, Sep 24, 2012 at 09:59PM, Roman Shaposhnik wrote:
> >>On Mon, Sep 24, 2012 at 8:52 PM, Anatoli Fomenko <afomenko@yahoo.com> wrote:
> >>>Hi Alef,
> >>>
> >>>Great news!
> >>>
> >>>Spark developers are interested in developing Spark packages and
> >>>contributing them to open source. Since you already have them,
> >>>what would you think about contributing the source to BigTop?
> >
> >We don't have any plans of holding the sources of the packages back, but we
> >are working on rpm packaging right now. Once the work is over, we should be
> >able to contribute it back to the community. Shall there be a JIRA ticket for
> >that or something?
> >
> >With regards,
> >   Alef
> >   MTG dev team
> >
> 
> 
> Great news!
> 
> 
> And yes, there should be a ticket. It will be helpful to organize
> any work around it.
> 
> Thanks,
> Bruno
> 
> 

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