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From Jean-Baptiste Onofré ...@nanthrax.net>
Subject Re: [VOTE] Accept Tez into Incubator
Date Fri, 22 Feb 2013 09:06:00 GMT
+1 (binding)

Regards
JB

On 02/21/2013 04:52 PM, Owen O'Malley wrote:
> +1 (binding)
>
>
> On Wed, Feb 20, 2013 at 10:07 PM, Mattmann, Chris A (388J) <
> chris.a.mattmann@jpl.nasa.gov> wrote:
>
>> +1 (binding)
>>
>> Thanks!
>>
>> Cheers,
>> Chris
>>
>> On 2/19/13 8:26 PM, "Arun C Murthy" <acm@hortonworks.com> wrote:
>>
>>> Hi Folks,
>>>
>>> Thanks for participating in the discussion. I'd like to call a VOTE for
>>> acceptance of Apache Tez into the Incubator. I'll let the vote run till
>>> into this weekend (Sun 2/24 6pm PST).
>>>
>>> [ ]  +1 Accept Apache Tez into the Incubator
>>> [ ]  +0 Don't care.
>>> [ ]  -1 Don't accept Apache Tez into the Incubator because...
>>>
>>> Full proposal is pasted at the bottom of this email, and the
>>> corresponding wiki is http://wiki.apache.org/incubator/TezProposal.
>>>
>>> Only VOTEs from Incubator PMC members are binding, but all are welcome to
>>> express their thoughts.
>>>
>>> Here's my +1 (binding).
>>>
>>> thanks,
>>> Arun
>>>
>>> PS: From the initial discussion, the only changes are that I've added one
>>> new mentor and 2 new committers. All the new additions come from the
>>> non-major employer while we continue to strive to further diversify
>>> during the incubation. Thanks.
>>>
>>> ----
>>>
>>> = Tez =
>>>
>>> == Abstract ==
>>> Tez is an effort to develop a generic application framework which can be
>>> used
>>> to process arbitrarily complex data-processing tasks and also a re-usable
>>> set
>>> of data-processing primitives which can be used by other projects.
>>>
>>> == Proposal ==
>>> Tez is a proposal to develop a generic application which can be used to
>>> process complex data-processing task DAGs and runs natively on Apache
>>> Hadoop
>>> YARN. YARN is a generic resource-management system on which currently
>>> applications like MapReduce already exist. MapReduce is a specific, and
>>> constrained, DAG - which is not optimal for several frameworks like
>>> Apache Hive
>>> and Apache Pig. Furthermore, we propose to develop a re-usable set of
>>> libraries of data-processing primitives such as sorting, merging,
>>> data-shuffling, intermediate data management etc. which are necessary for
>>> Tez
>>> which we envision can be used directly by other projects.
>>>
>>> == Background ==
>>> Apache Hadoop MapReduce has emerged as the assembly-language on which
>>> other
>>> frameworks like Apache Pig and Apache Hive have been built. However, it
>>> has
>>> been well accepted that MapReduce produces very constrained task DAGs for
>>> each
>>> job which results in Apache Pig and Apache Hive requiring multiple
>>> MapReduce
>>> jobs for several queries. By providing a more expressive DAG of tasks for
>>> a
>>> job, Tez attempts to provide significantly enhanced data-processing
>>> capabilities for projects like Apache Pig, Apache Hive, Cascading etc.
>>>
>>> == Rationale ==
>>> There is an important gap that Tez fulfills in the Apache Hadoop
>>> ecosystem of
>>> allowing for more expressive task DAGs for data-processing applications
>>> such
>>> as Apache Pig, Apache Hive, Cascading etc.
>>>
>>> With emergence of Apache Hadoop YARN, there is a strong need for a
>>> common DAG application which can then be shared by Apache Pig, Apache
>>> Hive,
>>> Cascading etc.
>>>
>>> == Initial Goals ==
>>> The initial goals for this project are to specify the detailed
>>> requirements
>>> and architecture, and then develop the initial implementation including
>>> the
>>> DAG ApplicationMaster to run natively inside Apache Hadoop YARN.
>>>
>>> == Current Status ==
>>> Significant work has been completed to identify the initial requirements
>>> and
>>> define the overall system architecture. There is a patch available in the
>>> internal Hortonworks git repository which can act as the initial seed.
>>>
>>> === Meritocracy ===
>>> We plan to invest in supporting a meritocracy. We will discuss the
>>> requirements
>>> in an open forum. Several companies have already expressed interest in
>>> this
>>> project, and we intend to invite additional developers to participate.
>>> We will encourage and monitor community participation so that privileges
>>> can be
>>> extended to those that contribute.
>>>
>>> === Community ===
>>> The need for a generic DAG application for data processing in the open
>>> source is
>>> tremendous, so there is a potential for a very large community. We believe
>>> that Tez's extensible architecture will further encourage community
>>> participation.
>>> Also, related Apache projects (eg, Pig, Hive) have very large and active
>>> communities, and we expect that over time Tez will also attract a large
>>> community.
>>>
>>> === Core Developers ===
>>> The developers on the initial committers list include people very
>>> experienced
>>> in the Apache Hadoop ecosystem:
>>>
>>> * Alan Gates <gates at apache dot org>
>>> * Arun C Murthy <acmurthy at apache dot org>
>>> * Ashutosh Chauhan <hashutosh at apache dot org>
>>> * Bikas Saha <bikas at apache dot org>
>>> * Chris Douglas <cdouglas at apache dot org>
>>> * Daryn Sharp <daryn at apache dot org>
>>> * Devaraj Das <ddas at apache dot org>
>>> * Gopal Vijayaraghavan <gopal at hortonworks dot com>
>>> * Gunther Hagleitner <ghagleitner at hortonworks dot com>
>>> * Hitesh Shah <hitesh at apache dot org>
>>> * Jason Lowe <jlowe at apache dot org>
>>> * Jean Xu <jeanxu at facebook dot com>
>>> * Jitendra Pandey <jitendra at apache dot org>
>>> * Julien Le Dem <julien at apache dot org>
>>> * Kevin Wilfong <kevinwilfong at apache dot org>
>>> * Mike Liddell <mike dot lidell at microsoft dot com>
>>> * Namit Jain <namit at apache dot org>
>>> * Nathan Roberts <nroberts at yahoo dash inc dot com>
>>> * Owen O'Malley <omalley at apache dot org>
>>> * Robert Evans <bobby at apache dot org>
>>> * Siddharth Seth <sseth at apache dot org>
>>> * Tom White <tomwhite at apache dot org>
>>> * Thomas Graves <tgraves at apache dot org>
>>> * Vikram Dixit <vikram at apache dot org>
>>> * Vinod Kumar Vavilapalli <vinodkv at apache dot org>
>>> * William Graham <billgraham at apache dot org>
>>>
>>> We realize that though we have significant employer diversity already,
>>> additional diversity is always better, and we will work
>>> aggressively to recruit developers from additional companies.
>>>
>>> === Alignment ===
>>> The initial committers strongly believe that a standard task DAG
>>> application on Apache Hadoop YARN will gain broader adoption as an open
>>> source,
>>> community driven project, where the community can contribute not only to
>>> the
>>> core components, but also to a growing collection of applications which
>>> will
>>> be based on top of Tez. Our hope is that the Apache Hive, Apache Pig,
>>> Cascading and other communities will find tremendous value in Tez and
>>> will adopt
>>> it en masse.
>>>
>>> == Known Risks ==
>>>
>>> === Orphaned Products ===
>>> The contributors are leading users and vendors in the Apache Hadoop
>>> ecosystem,
>>> with significant open source experience, so the risk of being orphaned is
>>> relatively low. The project could be at risk if vendors decided to change
>>> their strategies in the market. In such an event, the current committers
>>> plan to continue working on the project on their own time, though the
>>> progress will likely be slower. We plan to mitigate this risk by
>>> recruiting additional committers.
>>>
>>> === Inexperience with Open Source ===
>>> The initial committers include veteran Apache members (Committers, PMC
>>> members
>>> and Apache Members) and other developers who have varying degrees of
>>> experience
>>> with open source projects. All have been involved with source code that
>>> has
>>> been released under an open source license, and several also have
>>> experience
>>> developing code with an open source development process.
>>>
>>> === Homogenous Developers ===
>>> The initial committers are employed by a number of companies, including
>>> Cloudera, Facebook, Hortonworks, Microsoft, Twitter and Yahoo. We are
>>> committed
>>> to recruiting additional committers from other companies based on their
>>> contributions to the project even though we do have significant diversity
>>> already.
>>>
>>> === Reliance on Salaried Developers ===
>>> It is expected that Tez development will occur on both salaried time and
>>> on
>>> volunteer time, after hours. The majority of initial committers are paid
>>> by
>>> their employer to contribute to this project. However, they are all
>>> passionate
>>> about the project, and we are confident that the project will continue
>>> even if
>>> no salaried developers contribute to the project. We are committed to
>>> recruiting
>>> additional committers including non-salaried developers.
>>>
>>> === Relationships with Other Apache Products ===
>>> As mentioned in the Alignment section, Tez is closely integrated with
>>> Hadoop,
>>> Hive and Pig in a numerous ways. We look forward to collaborating with
>>> those communities, as well as other Apache communities.
>>>
>>> === An Excessive Fascination with the Apache Brand ===
>>> Tez solves a real need for generic task DAG management in the Apache
>>> Hadoop
>>> ecosystem, something which has been addressed in a very ad hoc manner so
>>> far
>>> by multiple Apache projects. Our rationale for developing Tez as an
>>> Apache
>>> project is detailed in the Rationale section. We believe that the Apache
>>> brand
>>> and community process will help us attract more contributors to this
>>> project,
>>> and help establish ubiquitous APIs.
>>>
>>> == Documentation ==
>>> http://wiki.apache.org/incubator/TezProposal
>>>
>>> == Initial Source ==
>>> Available as a patch.
>>>
>>> == Cryptography ==
>>> Tez will eventually support encryption on the wire. This is not one of
>>> the initial
>>> goals, and we do not expect Tez to be a controlled export item due to the
>>> use
>>> of encryption.
>>>
>>> == Required Resources ==
>>>
>>> === Mailing List ===
>>> * tez-private
>>> * tez-dev
>>> * tez-user
>>>
>>> === Subversion Directory ===
>>> Git is the preferred source control system: git://git.apache.org/tez
>>>
>>> === Issue Tracking ===
>>>
>>> JIRA Tez (TEZ)
>>>
>>> == Initial Committers ==
>>> * Alan Gates <gates at apache dot org>
>>> * Arun C Murthy <acmurthy at apache dot org>
>>> * Ashutosh Chauhan <hashutosh at apache dot org>
>>> * Bikas Saha <bikas at apache dot org>
>>> * Chris Douglas <cdouglas at apache dot org>
>>> * Daryn Sharp <daryn at apache dot org>
>>> * Devaraj Das <ddas at apache dot org>
>>> * Gopal Vijayaraghavan <gopal at hortonworks dot com>
>>> * Gunther Hagleitner <ghagleitner at hortonworks dot com>
>>> * Hitesh Shah <hitesh at apache dot org>
>>> * Jason Lowe <jlowe at apache dot org>
>>> * Jean Xu <jeanxu at facebook dot com>
>>> * Jitendra Pandey <jitendra at apache dot org>
>>> * Julien Le Dem <julien at apache dot org>
>>> * Kevin Wilfong <kevinwilfong at apache dot org>
>>> * Mike Liddell <mike dot lidell at microsoft dot com>
>>> * Namit Jain <namit at apache dot org>
>>> * Nathan Roberts <nroberts at yahoo dash inc dot com>
>>> * Owen O'Malley <omalley at apache dot org>
>>> * Robert Evans <bobby at apache dot org>
>>> * Siddharth Seth <sseth at apache dot org>
>>> * Tom White <tomwhite at apache dot org>
>>> * Thomas Graves <tgraves at apache dot org>
>>> * Vikram Dixit <vikram at apache dot org>
>>> * Vinod Kumar Vavilapalli <vinodkv at apache dot org>
>>> * William Graham <billgraham at apache dot org>
>>>
>>> == Affiliations ==
>>> The initial committers are employees of Cloudera, Facebook, Hortonworks,
>>> Microsoft, Twitter and Yahoo Inc.
>>>
>>> * Alan Gates - Hortonworks
>>> * Arun C Murthy - Hortonworks
>>> * Ashutosh Chauhan - Hortonworks
>>> * Bikas Saha - Hortonworks
>>> * Chris Douglas - Microsoft
>>> * Daryn Sharp - Yahoo
>>> * Devaraj Das - Hortonworks
>>> * Gopal Vijayaraghavan - Hortonworks
>>> * Gunther Hagleitner - Hortonworks
>>> * Hitesh Shah - Hortonworks
>>> * Jason Lowe - Yahoo
>>> * Jean Xu - Facebook
>>> * Jitendra Pandey - Hortonworks
>>> * Julien Le Dem - Twitter
>>> * Kevin Wilfong - Facebook
>>> * Mike Liddell - Microsoft
>>> * Namit Jain - Facebook
>>> * Nathan Roberts - Yahoo
>>> * Owen O'Malley - Hortonworks
>>> * Robert Evans - Yahoo
>>> * Siddharth Seth - Hortonworks
>>> * Tom White - Cloudera
>>> * Thomas Graves - Yahoo
>>> * Vikram Dixit - Hortonworks
>>> * Vinod Kumar Vavilapalli - Hortonworks
>>> * William Graham - Twitter
>>>
>>> The nominated mentors are employees of Hortonworks, LinkedIn,
>>> NASA JPL and Microsoft.
>>>
>>> * Alan Gates - Hortonworks
>>> * Arun C Murthy - Hortonworks
>>> * Chris Douglas - Microsoft
>>> * Chris Mattman - NASA JPL
>>> * Jakob Homan - LinkedIn
>>> * Owen O'Malley - Hortonworks
>>>
>>> == Sponsors ==
>>>
>>> === Champion ===
>>> Arun C Murthy <acmurthy at apache dot org>
>>>
>>> === Nominated Mentors ===
>>> * Alan Gates <gates at apache dot org> – Architect at Hortonworks.
>>> Committer for Pig.
>>> * Arun C Murthy <acmurthy at apache dot org> – Architect at
>>> Hortonworks. Committer for Hadoop.
>>> * Chris Douglas <cdouglas at apache dot org> - Sr. Research Engineer at
>>> Microsoft. Committer for Hadoop.
>>> * Chris Mattman <mattmann at apache dot org> - Sr. Computer Scientist,
>>> NASA JPL. Committer for Nutch, OODT and Tika.
>>> * Jakob Homan <jghoman at apache dot org> – Sr. Software Engineer,
>>> LinkedIn. Committer for Hadoop, Kafka, Giraph.
>>> * Owen O'Malley <omalley at apache dot org> – Architect at
>>> Hortonworks. Committer for Hadoop, Ambari.
>>>
>>> === Sponsoring Entity ===
>>> Incubator
>>>
>>
>>
>

-- 
Jean-Baptiste Onofré
jbonofre@apache.org
http://blog.nanthrax.net
Talend - http://www.talend.com

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