+1 (binding) Thanks!
Cheers, Chris On 2/19/13 8:26 PM, "Arun C Murthy" <a...@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 >
