incubator-general mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Roman Shaposhnik <>
Subject Re: [DISCUSS] [PROPOSAL] Zeppelin for Apache Incubator
Date Fri, 19 Dec 2014 05:20:41 GMT
Thank you to all who contributed to the dissuasion! I think
I took all of the feedback into account and will start a formal
vote in a minute.


On Thu, Dec 18, 2014 at 9:09 PM, Hadrian Zbarcea <> wrote:
> +1
> Hadrian
> On 12/18/2014 11:54 PM, Konstantin Boudnik wrote:
>> And again - big +1: I think the whole data stack will benefit from it.
>> On Sat, Dec 13, 2014 at 05:18PM, Roman Shaposhnik wrote:
>>> Hi,
>>> I would like to propose Zeppelin as an Apache Incubator
>>> project:
>>> Please let me know what do you think and feel free to
>>> volunteer as additional mentors for the project.
>>> The easiest way to get to see what this project looks like
>>> in action would be this demo:
>>> Thanks,
>>> Roman.
>>> == Abstract ==
>>> Zeppelin is a collaborative data analytics and visualization tool for
>>> distributed, general-purpose data processing systems such as Apache
>>> Spark, Apache Flink, etc.
>>> == Proposal ==
>>> Zeppelin is a modern web-based tool for the data scientists to
>>> collaborate over large-scale data exploration and visualization
>>> projects. It is a notebook style interpreter that enable collaborative
>>> analysis sessions sharing between users. Zeppelin is independent of
>>> the execution framework itself. Current version runs on top of Apache
>>> Spark but it has pluggable interpreter APIs to support other data
>>> processing systems. More execution frameworks could be added at a
>>> later date i.e Apache Flink, Crunch as well as SQL-like backends such
>>> as Hive, Tajo, MRQL.
>>> We have a strong preference for the project to be called Zeppelin. In
>>> case that may not be feasible, alternative names could be: “Mir”,
>>> “Yuga” or “Sora”.
>>> == Background ==
>>> Large scale data analysis workflow includes multiple steps like data
>>> acquisition, pre-processing, visualization, etc and may include
>>> inter-operation of multiple different tools and technologies. With the
>>> widespread of the open source general-purpose data processing systems
>>> like Spark there is a lack of open source, modern user-friendly tools
>>> that combine strengths of interpreted language for data analysis with
>>> new in-browser visualization libraries and collaborative capabilities.
>>> Zeppelin initially started as a GUI tool for diverse set of
>>> SQL-over-Hadoop systems like Hive, Presto, Shark, etc. It was open
>>> source since its inception in Sep 2013. Later, it became clear that
>>> there was a need for a greater web-based tool for data scientists to
>>> collaborate on data exploration over the large-scale projects, not
>>> limited to SQL. So Zeppelin integrated full support of Apache Spark
>>> while adding a collaborative environment with the ability to run and
>>> share interpreter sessions in-browser
>>> == Rationale ==
>>> There are no open source alternatives for a collaborative
>>> notebook-based interpreter with support of multiple distributed data
>>> processing systems.
>>> As a number of companies adopting and contributing back to Zeppelin is
>>> growing, we think that having a long-term home at Apache foundation
>>> would be a great fit for the project ensuring that processes and
>>> procedures are in place to keep project and community “healthy” and
>>> free of any commercial, political or legal faults.
>>> == Initial Goals ==
>>> The initial goals will be to move the existing codebase to Apache and
>>> integrate with the Apache development process. This includes moving
>>> all infrastructure that we currently maintain, such as: a website, a
>>> mailing list, an issues tracker and a Jenkins CI, as mentioned in
>>> “Required Resources” section of current proposal.
>>> Once this is accomplished, we plan for incremental development and
>>> releases that follow the Apache guidelines.
>>> To increase adoption the major goal for the project would be to
>>> provide integration with as much projects from Apache data ecosystem
>>> as possible, including new interpreters for Apache Hive, Apache Drill
>>> and adding Zeppelin distribution to Apache Bigtop.
>>> On the community building side the main goal is to attract a diverse
>>> set of contributors by promoting Zeppelin to wide variety of
>>> engineers, starting a Zeppelin user groups around the globe and by
>>> engaging with other existing Apache projects communities online.
>>> == Current Status ==
>>> Currently, Zeppelin has 4 released versions and is used in production
>>> at a number of companies across the globe mentioned in Affiliation
>>> section. Current implementation status is pre-release with public API
>>> not being finalized yet. Current main and default backend processing
>>> engine is Apache Spark with consistent support of SparkSQL.
>>> Zeppelin is distributed as a binary package which includes an embedded
>>> webserver, application itself, a set of libraries and startup/shutdown
>>> scripts. No platform-specific installation packages are provided yet
>>> but it is something we are looking to provide as part of Apache Bigtop
>>> integration.
>>> Project codebase is currently hosted at, which will form
>>> the basis of the Apache git repository.
>>> === Meritocracy ===
>>> Zeppelin is an open source project that already leverages meritocracy
>>> principles.  It was started by a handfull of people and now it has
>>> multiple contributors, although as the number of contribution grows we
>>> want to build a diverse developer and user community that is governed
>>> by the "Apache way". Users and new contributors will be treated with
>>> respect and welcomed; they will earn merit in the project by tendering
>>> quality patches and support that move the project forward. Those with
>>> a proven support and quality patch track record will be encouraged to
>>> become committers.
>>> === Community ===
>>> Zeppelin already has a burgeoning community of users spread across the
>>> world that leverage and contributes to the code base and mailing list.
>>> We hope that being part of Apache Foundation will help to grow it more
>>> and convert some of the users into active contributors to the project.
>>> === Core Developers ===
>>> The core developers of Zeppelin are listed in our contributors and
>>> initial PPMC below. It is a diverse group of people from two
>>> companies, NFLabs and Between, as mentioned in Affiliations section
>>> including at least one Apache committer and PPMC member, Lee Moon Soo,
>>> of Apache MRQL project.
>>> === Alignment ===
>>> Zeppelin is already integrated with Apache Spark. Integration with
>>> Apache Tajo and Apache MRQL is something that has been currently
>>> worked on. Apache Flink is a potential next integration step. We also
>>> plan to add a binary distribution of Zeppelin to Apache Bigtop to
>>> align it with whole ASF Hadoop data stack.
>>> == Known Risks ==
>>> We feel that for Zeppelin to become as successful as it can be, it
>>> needs to be picked up by as many back-end systems as possible, not
>>> only Apache Spark.
>>> === Orphaned Products ===
>>> Initial code contributors were from the same company but in last few
>>> months we see signs of the global adoption, at least 2 more companies
>>> in Europe and US have products based on a Zeppelin codebase. Other
>>> companies use Zeppelin in production for their data analytics
>>> workflows. We believe that this, plus the fact that Zeppelin already
>>> have contributors from different companies mitigates this risk well.
>>> === Inexperience with Open Source ===
>>> Zeppelin was born as an open source project from scratch. Majority of
>>> the current core contributors have experience working on other open
>>> source projects. We also expect that as we grow the community further
>>> based on meritocracy and with the guidance of more experienced mentors
>>> this will have a positive influence on the project in the long term.
>>> === Homogenous Developers ===
>>> The initial committers are from same region but there are already 2
>>> companies in the Europe that contribute to Zeppelin and others in US
>>> also reviewing it and being active on the mailing list. We are
>>> committed to create diverse mix of developers from all over the world.
>>> === Reliance on Salaried Developers ===
>>> Most of the Zeppelin contributors use it as tool of choice either in
>>> their own companies internally or distribute it as part of the
>>> product.
>>> Backend agnostic design helps to keep it as tool of choice for diverse
>>> community of data analysts even if they move from one employee to
>>> another.
>>> There also is at least one university in US with students who
>>> potentially might use Zeppelin for R’n’D projects.
>>> === Relationship with Other Apache Products ===
>>> Right now Zeppelin relies on Apache Spark to run distributed task
>>> across a cluster of machines, but it’s abstract interpreter design
>>> allows it to work with other systems like Apache MRQL, Apache Crunch
>>> as well as SQL-based systems like Apache Tajo, Apache Hive
>>> === A Excessive Fascination with the Apache Brand ===
>>> We believe that joining Apache will help us attract more contributors
>>> to Zeppelin, by giving us a well-defined, transparent development and
>>> governance process under a known brand. The reason for this proposal
>>> is not to gain publicity, but to further strengthen the longevity of
>>> the project without affiliation with any particular company. There are
>>> no plans to use of Apache brand in press releases nor posting
>>> advertising of acceptance it into Apache Incubator.
>>> === Documentation ===
>>> Additional documentation on Zeppelin may be found on its github website:
>>>   * Zeppelin overview:
>>>   * Zeppelin docs:
>>>   * Zeppelin road map:
>>> TODO!
>>>   * Zeppelin issue tracking:
>>>   * Zeppelin codebase:
>>>   * User group:
>>> == Initial Source ==
>>> Zeppelin codebase is currently hosted on Github:
>>> === Source and Intellectual Property Submission Plan ===
>>> Currently, the Zeppleing codebase is distributed under an Apache 2.0
>>> License.
>>> == External Dependencies ==
>>> To the best of our knowledge, all other dependencies of Zeppelin are
>>> distributed under Apache compatible licenses (e.g. junit is EPL,
>>> Eclipse Public License v1.0, atmosphere-jersey is CDDL1.0  and
>>> dom4j:dom4 is BSD licensed, org.slf4j and
>>> are MIT).
>>> Only org.reflections:reflections
>>> is WTFPL 2.0, which should not
>>> be a problem as of
>>> Upon acceptance to the incubator, we would begin a thorough analysis
>>> of all transitive dependencies to verify this information and
>>> introduce license checking into the build and release process by
>>> integrating with Apache Rat.
>>> == Required Resources ==
>>> === Mailing list ===
>>> We will migrate the existing Zeppelin mailing lists as follows:
>>>   * -->
>>>   *
>>>   * for PPMC members
>>>   *
>>> The latter is to be consistent with the new PIAO naming scheme for
>>> podlings.
>>> === Source control ===
>>> Zeppelin team would like to use Git for source control, as it already
>>> uses Git. We request a writeable Git repo for Zeppelin, and mirroring
>>> to be set up to Github through INFRA.
>>> === Issue Tracking ===
>>> Zeppelin currently uses the Jira tracking system
>>> We will
>>> migrate to the Apache JIRA:
>>> === Other Resources ===
>>>   * Jenkins/Hudson for builds and test running.
>>>   * Wiki for documentation purposes
>>>   * Blog to improve project dissemination
>>> == Initial Committers ==
>>>   * Lee Moon Soo <moon at apache dot org>
>>>   * Anthony Corbacho <corbacho.anthony at gmail dot com>, CLA submitted
>>>   * Damien Corneau <corneadoug at gmail dot com>, CLA submitted
>>>   * Alexander Bezzubov <abezzubov at nflabs dot com>, CLA confirmed
>>>   * Kevin Sangwoo Kim <sangwookim dot me at gmail dot us>, CLA confirmed
>>> == Affiliations ==
>>>   * Lee Moon Soo: NFLabs
>>>   * Anthony Corbacho: NFLabs
>>>   * Damien Corneau: NFLabs
>>>   * Alexander Bezzubov: NFLabs
>>>   * Kevin Sangwoo Kim: VCNC (a.k.a Between)
>>> == Sponsors ==
>>> === Champion ===
>>>   * Roman Shaposhnik
>>> === Nominated Mentors ===
>>>   * Konstantin Boudnik
>>>   * Ted Dunning
>>>   * Henry Saputra
>>>   * Roman Shaposhnik
>>> === Sponsoring Entity ===
>>>   The Apache Incubator
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail:
>>> For additional commands, e-mail:
> ---------------------------------------------------------------------
> To unsubscribe, e-mail:
> For additional commands, e-mail:

To unsubscribe, e-mail:
For additional commands, e-mail:

View raw message