Re: [Feature Proposal] Spark 2 integration with CarbonData

Posted by Venkata Gollamudi on Nov 28, 2016; 6:38am
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/Feature-Proposal-Spark-2-integration-with-CarbonData-tp3236p3267.html

Hi All,

+1
I agree with Jacky and it is important for CarbonData community to work on
Spark2.x. As Spark2.x has major design and interface changes. It is also
challenge to support both Spark2.x and Spark1.x. We can start creating
sub-tasks under issue(CARBONDATA-322)

Regards,
Ramana

On Sun, Nov 27, 2016 at 9:39 AM, Liang Chen <[hidden email]> wrote:

> Hi
>
> Very excited to see that CarbonData will integrate with Spark 2.x, look
> forward to getting performance improved further and usability enhanced.
>
> Regards
> Liang
>
>
> Jacky Li wrote
> > Hi all,
> >
> > Currently CarbonData only works with spark1.5 and spark1.6, as Apache
> > Spark community is moving to 2.1, more and more user will deploy spark
> 2.x
> > in production environment. In order to make CarbonData even more popular,
> > I think now it is good time to start considering spark2.x integration
> with
> > CarbonData.
> >
> > Moreover, we can take this as a chance to refactory CarbonData to make it
> > both easier to use and higher performance.
> >
> > Usability:
> > Instead of using CarbonContext, in spark2 integration, user should able
> to
> > 1. use native SparkSession in the spark application to create and query
> > table backed by CarbonData files with full feature support, including
> > index and late decode optimization.
> >
> > 2. use CarbonData's API and tool to acomplish carbon specific tasks, like
> > compaction, delete segment, etc.
> >
> > Perforamnce:
> > 1. deep integration with Datasource API and leveraging spark2's whole
> > stage codegen feature.
> >
> > 2. provide implementation of vectorized record reader, to improve
> scanning
> > performance.
> >
> > Since spark2 changes a lot comparing to spark 1.6, it may take some time
> > to complete all these features. With the help of contributors and
> > committers, I hope we can have basic features working in next CarbonData
> > release.
> >
> > What do you think about this idea? All kinds of contribution and
> > suggestions are welcomed.
> >
> > Regards,
> > Jacky Li
>
>
>
>
>
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