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Posted to general@incubator.apache.org by Christofer Dutz <ch...@c-ware.de> on 2020/12/16 10:12:06 UTC
[RESULT] [VOTE] Accept Wayang into the Apache Incubator
So the vote passes:
8 binding +1 votes (All nominated mentors voted)
3 non-binding +1 votes
No 0 or -1 votes
https://lists.apache.org/thread.html/ra8e804fadca573af0f053df56686c98dbeaf1e8d1cba7228b16a637e%40%3Cgeneral.incubator.apache.org%3E
Binding:
Dave Fisher
Kevin Ratnasekera
Furkan KAMACI
Byung-Gon Chun
Sheng Wu
Lars George
Jean-Baptiste Onofre
Bernd Fondermann
Non-Binding:
Alexander Alten-Lorenz
Daniel B. Widdis
Xiangdong Huang
-----Ursprüngliche Nachricht-----
Von: Xiangdong Huang <sa...@gmail.com>
Gesendet: Montag, 14. Dezember 2020 07:28
An: general@incubator.apache.org
Betreff: Re: [VOTE] Accept Wayang into the Apache Incubator
+1 (non-binding)
-----------------------------------
Xiangdong Huang
School of Software, Tsinghua University
Lars George <la...@apache.org> 于2020年12月12日周六 下午8:19写道：
> +1 binding
>
> On Sat, Dec 12, 2020 at 2:24 AM Sheng Wu <wu...@gmail.com>
> wrote:
>
> > +1 binding
> >
> > Sheng Wu 吴晟
> > Twitter, wusheng1108
> >
> >
> > Byung-Gon Chun <bg...@gmail.com> 于2020年12月12日周六 上午5:59写道：
> >
> > > +1 (binding)
> > >
> > > -Gon
> > >
> > > On Sat, Dec 12, 2020 at 2:35 AM Furkan KAMACI
> > > <fu...@gmail.com>
> > > wrote:
> > >
> > > > Hi,
> > > >
> > > > +1 (binding)
> > > >
> > > > Kind Regards,
> > > > Furkan KAMACI
> > > >
> > > > On 11 Dec 2020 Fri at 20:04 Daniel B. Widdis <wi...@gmail.com>
> wrote:
> > > >
> > > > > +1 (non-binding). I'm interested in getting involved in this
> > project!
> > > > >
> > > > > On Fri, Dec 11, 2020 at 8:33 AM Christofer Dutz <
> > > > christofer.dutz@c-ware.de
> > > > > >
> > > > > wrote:
> > > > >
> > > > > > Hi all,
> > > > > >
> > > > > > following up the [DISCUSS] thread on Wayang (
> > > > > >
> > > > >
> > > >
> > >
> >
> https://lists.apache.org/thread.html/r5fc03ae014f44c7c31a509a6db4ac07f
> aedb2e1c6245cd917b744826%40%3Cgeneral.incubator.apache.org%3E
> > > > > )
> > > > > > I would like to call a VOTE to accept Wayang Aka Rheem into
> > > > > > the
> > > Apache
> > > > > > Incubator.
> > > > > >
> > > > > > Please cast your vote:
> > > > > >
> > > > > > [ ] +1, bring Wayang into the Incubator
> > > > > > [ ] +0, I don't care either way
> > > > > > [ ] -1, do not bring Wayang into the Incubator, because...
> > > > > >
> > > > > > The vote will open at least for 72 hours and only votes from
> > > > > > the
> > > > > Incubator
> > > > > > PMC are binding, but votes from everyone are welcome.
> > > > > >
> > > > > > Chris
> > > > > >
> > > > > > -----
> > > > > >
> > > > > > Wayang Proposal (
> > > > > >
> > https://cwiki.apache.org/confluence/display/INCUBATOR/WayangProposal
> > > )
> > > > > >
> > > > > > == Abstract ==
> > > > > >
> > > > > > Wayang is a cross-platform data processing system that aims
> > > > > > at
> > > > decoupling
> > > > > > the business logic of data analytics applications from
> > > > > > concrete
> > data
> > > > > > processing platforms, such as Apache Flink or Apache Spark.
> Hence,
> > it
> > > > > tames
> > > > > > the complexity that arises from the "Cambrian explosion" of
> > > > > > novel
> > > data
> > > > > > processing platforms that we currently witness.
> > > > > >
> > > > > > Note that Wayang project is the Rheem project, but we have
> renamed
> > > the
> > > > > > project because of trademark issues.
> > > > > >
> > > > > > You can find the project web page at:
> > > > https://rheem-ecosystem.github.io/
> > > > > >
> > > > > > = Proposal =
> > > > > >
> > > > > > Wayang is a cross-platform system that provides an
> > > > > > abstraction
> over
> > > > data
> > > > > > processing platforms to free users from the burdens of (i)
> > performing
> > > > > > tedious and costly data migration and integration tasks to
> > > > > > run
> > their
> > > > > > applications, and (ii) choosing the right data processing
> platforms
> > > for
> > > > > > their applications. To achieve this, Wayang: (1) provides an
> > > > abstraction
> > > > > on
> > > > > > top of existing data processing platforms that allows users
> > > > > > to
> > > specify
> > > > > > their data analytics tasks in a form of a DAG of operators;
> > > > > > (2)
> > comes
> > > > > with
> > > > > > a cross-platform optimizer for automating the selection of
> > > > > > suitable/efficient platforms; and (3) and finally takes care
> > > > > > of
> > > > executing
> > > > > > the optimized plan, including communication across
> > > > > > platforms. In
> > > > summary,
> > > > > > Wayang has the following salient features:
> > > > > >
> > > > > > - Flexible Data Model - It considers a flexible and simple
> > > > > > data
> > model
> > > > > > based on data quanta. A data quantum is an atomic processing
> > > > > > unit
> > in
> > > > the
> > > > > > system, that can represent a large spectrum of data formats,
> > > > > > such
> > as
> > > > data
> > > > > > points for a machine learning application, tuples for a
> > > > > > database application, or RDF triples. Hence, Wayang is able
> > > > > > to express a
> > wide
> > > > > range
> > > > > > of data analytics tasks.
> > > > > > - Platform independence - It provides a simple interface
> (currently
> > > > Java
> > > > > > and Scala) that is inspired by established programming
> > > > > > models,
> such
> > > as
> > > > > that
> > > > > > of Apache Spark and Apache Flink. Users represent their data
> > analytic
> > > > > tasks
> > > > > > as a DAG (Wayang plan), where vertices correspond to Wayang
> > operators
> > > > and
> > > > > > edges represent data flows (data quanta flowing) among these
> > > > operators. A
> > > > > > Wayang operator defines a particular kind of data
> > > > > > transformation
> > over
> > > > an
> > > > > > input data quantum, ranging from basic functionality (e.g.,
> > > > > > transformations, filters, joins) to complex, extensible
> > > > > > tasks
> > (e.g.,
> > > > > > PageRank).
> > > > > > - Cross-platform execution - Besides running a data analytic
> > > > > > task
> > on
> > > > any
> > > > > > data processing platform, it also comes with an optimizer
> > > > > > that
> can
> > > > decide
> > > > > > to execute a single data analytic task using multiple data
> > processing
> > > > > > platforms. This allows for exploiting the capabilities of
> different
> > > > data
> > > > > > processing platforms to perform complex data analytic tasks
> > > > > > more efficiently.
> > > > > > Self-tuning UDF-based cost model - Its optimizer uses a cost
> model
> > > > fully
> > > > > > based on UDFs. This not only enables Wayang to learn the
> > > > > > cost
> > > functions
> > > > > of
> > > > > > newly added data processing platforms, but also allows
> > > > > > developers
> > to
> > > > tune
> > > > > > the optimizer at will.
> > > > > > - Extensibility - It treats data processing platforms as
> > > > > > plugins
> to
> > > > allow
> > > > > > users (developers) to easily incorporate new data processing
> > > platforms
> > > > > into
> > > > > > the system. This is achieved by exposing the functionalities
> > > > > > of
> > data
> > > > > > processing platforms as operators (execution operators). The
> > > > > > same
> > > > > approach
> > > > > > is followed at the Wayang interface, where users can also
> > > > > > extend
> > > Wayang
> > > > > > capabilities, i.e., the operators, easily.
> > > > > >
> > > > > > We plan to work on the stability of all these features as
> > > > > > well as extending Wayang with more advanced features.
> > > > > > Furthermore, Wayang
> > > > > currently
> > > > > > supports Apache Spark, Standalone Java, GraphChi, relational
> > > databases
> > > > > (via
> > > > > > JDBC). We plan to incorporate more data processing
> > > > > > platforms,
> such
> > as
> > > > > > Apache Flink and Apache Hive.
> > > > > >
> > > > > > === Background ===
> > > > > >
> > > > > > Many organizations and companies collect or produce large
> > > > > > variety
> > of
> > > > data
> > > > > > to apply data analytics over them. This is because insights
> > > > > > from
> > data
> > > > > > rapidly allow them to make better decisions. Thus, the
> > > > > > pursuit
> for
> > > > > > efficient and scalable data analytics as well as the
> > > > > > one-size-does-not-fit-all philosophy has given rise to a
> > > > > > plethora
> > of
> > > > data
> > > > > > processing platforms. Examples of these specialized
> > > > > > processing
> > > > platforms
> > > > > > range from DBMSs to MapReduce-like platforms.
> > > > > >
> > > > > > However, today's data analytics are moving beyond the limits
> > > > > > of a
> > > > single
> > > > > > data processing platform. More and more applications need to
> > perform
> > > > > > complex data analytics over several data processing platforms.
> For
> > > > > example,
> > > > > > IBM reported that North York hospital needs to process 50
> > > > > > diverse
> > > > > datasets,
> > > > > > which are on a dozen different internal systems, (ii) oil &
> > > > > > gas
> > > > companies
> > > > > > stated they need to process large amounts of data they
> > > > > > produce
> > > > everyday,
> > > > > > e.g., a single oil company can produce more than 1.5TB of
> > > > > > diverse (structured and unstructured) data per day, (iii)
> > > > > > Fortune
> magazine
> > > > stated
> > > > > > that airlines need to analyze large datasets, which are
> > > > > > produced
> by
> > > > > > different departments, are of different data formats, and
> > > > > > reside
> on
> > > > > > multiple data sources, to produce global reports for
> > > > > > decision
> > makers,
> > > > and
> > > > > > (iv) Hewlett Packard has claimed that, according to its
> > > > > > customer
> > > > > portfolio,
> > > > > > business intelligence typically require a single analytics
> pipeline
> > > > using
> > > > > > different processing platforms at different parts of the
> pipeline.
> > > > These
> > > > > > are just a few examples of emerging applications that
> > > > > > require a
> > > > diversity
> > > > > > of data processing platforms.
> > > > > >
> > > > > > Today, developers have to deal with this myriad of data
> processing
> > > > > > platforms. That is, they have to choose the right data
> > > > > > processing
> > > > > platform
> > > > > > for their applications (or data analytic tasks) and to
> familiarize
> > > with
> > > > > the
> > > > > > intricacies of the different platforms to achieve high
> > > > > > efficiency
> > and
> > > > > > scalability. Several systems have also appeared with the
> > > > > > goal of
> > > > helping
> > > > > > users to easily glue several platforms together, such as
> > > > > > Apache
> > > Drill,
> > > > > > PrestoDB, and Luigi. Nevertheless, all these systems still
> require
> > > > quite
> > > > > > good expertise from users to decide which data processing
> platforms
> > > to
> > > > > use
> > > > > > for the data analytic task at hand. In consequence, great
> > engineering
> > > > > > effort is required to unify the data from various sources,
> > > > > > to
> > combine
> > > > the
> > > > > > processing capabilities of different platforms, and to
> > > > > > maintain
> > those
> > > > > > applications, so as to unleash the full potential of the
> > > > > > data. In
> > the
> > > > > worst
> > > > > > case, such applications are not built in the first place, as
> > > > > > it
> > seems
> > > > too
> > > > > > much of a daunting endeavor.
> > > > > >
> > > > > > === Rationale ===
> > > > > >
> > > > > > It is evident that there is an urgent need to release
> > > > > > developers
> > from
> > > > the
> > > > > > burden of knowing all the intricacies of choosing and
> > > > > > glueing
> > > together
> > > > > data
> > > > > > processing platforms for supporting their applications (data
> > analytic
> > > > > > tasks). Developers must focus only on the logics of their
> > > applications.
> > > > > > Surprisingly, there is no open source system trying to
> > > > > > satisfy
> this
> > > > > urgent
> > > > > > need. Wayang aims at filling this gap. It copes with this
> > > > > > urgent
> > need
> > > > by
> > > > > > providing both a common interface over data processing
> > > > > > platforms
> > and
> > > an
> > > > > > optimizer to execute data analytic tasks on the right data
> > processing
> > > > > > platform(s) seamlessly. As Apache is the place where most of
> > > > > > the
> > > > > important
> > > > > > big data systems are, we then consider Apache as the right
> > > > > > place
> > for
> > > > > Wayang.
> > > > > >
> > > > > > === Current Status ===
> > > > > >
> > > > > > The current version of Wayang (v0.5.0) was initially
> > > > > > co-developed
> > by
> > > > > > staff, students, and interns at the Qatar Computing Research
> > > Institute
> > > > > > (QCRI) and the Hasso-Plattner Institute (HPI). The project
> > > > > > was
> > > > initiated
> > > > > at
> > > > > > and sponsored by QCRI in 2015 with the goal of freeing data
> > > scientists
> > > > > and
> > > > > > developers from the intricacies of data processing platforms
> > > > > > to
> > > support
> > > > > > their analytic tasks. The first open source release of
> > > > > > Wayang was
> > > made
> > > > > only
> > > > > > one year and a half later, in June 13th of 2016, under the
> > > > > > Apache
> > > > > Software
> > > > > > License 2.0. Since we have made several releases, the latest
> > release
> > > > was
> > > > > > done on January 23th, 2019.
> > > > > >
> > > > > > ** Meritocracy **
> > > > > >
> > > > > > All current Wayang developers are familiar with this
> > > > > > development
> > > > process
> > > > > > at Apache and are currently trying to follow this
> > > > > > meritocracy
> > process
> > > > as
> > > > > > much as possible. For example, Wayang already follows a
> > > > > > committer
> > > > > principle
> > > > > > where any pull request is analyzed by at least one Wayang
> > > > > > core
> > > > developer.
> > > > > > This was one of the reasons for choosing Apache for Wayang
> > > > > > as we
> > all
> > > > want
> > > > > > to encourage and keep this style of development for Wayang.
> > > > > >
> > > > > > ** Community **
> > > > > >
> > > > > > Wayang started as a pure research project, but it quickly
> > > > > > started developing into a community. People from HPI quickly
> > > > > > joined our
> > > efforts
> > > > > > almost from the very beginning to make this project a reality.
> > > > Recently,
> > > > > > the Berlin Institute of Technology (TU Berlin) and the
> > > > > > Pontifical
> > > > > Catholic
> > > > > > University of Valparaiso (PUCV) in Chile have also joined
> > > > > > our
> > efforts
> > > > for
> > > > > > developing Wayang. A company, called Scalytics, has been
> > > > > > created
> > > around
> > > > > > Wayang. Currently, we are intensively seeking to further
> > > > > > develop
> > both
> > > > > > developer and user communities. To keep broadening the
> > > > > > community,
> > we
> > > > plan
> > > > > > to also exploit our ongoing academic collaborations with
> > > > > > multiple universities in Berlin and companies that we collaborate with.
> For
> > > > > > instance, Wayang is already being utilized for accessing
> > > > > > multiple
> > > data
> > > > > > sources in the context of a large data analytics project led
> > > > > > by
> TU
> > > > Berlin
> > > > > > and Huawei. We also believe that Wayang's extensible
> > > > > > architecture
> > > > (i.e.,
> > > > > > adding new operators and platforms) will further encourage
> > community
> > > > > > participation. During incubation we plan to have Wayang
> > > > > > adopted
> by
> > at
> > > > > least
> > > > > > one company and will explicitly seek more industrial
> participation.
> > > > > >
> > > > > > ** Core Developers **
> > > > > >
> > > > > > The initial developers of the project are diverse, they are
> > > > > > from
> > four
> > > > > > different institutions (TU Berlin, Scalytics, PUCV, and
> > > > > > HBKU). We
> > > will
> > > > > work
> > > > > > aggressively to grow the community during the incubation by
> > > recruiting
> > > > > more
> > > > > > developers from other institutions.
> > > > > >
> > > > > > ** Alignment **
> > > > > >
> > > > > > We believe Apache is the most natural home for taking Wayang
> > > > > > to
> the
> > > > next
> > > > > > level. Apache is currently hosting the most important big
> > > > > > data
> > > systems.
> > > > > > Hadoop, Spark, Flink, HBase, Hive, Tez, Reef, Storm, Drill,
> > > > > > and
> > > Ignite
> > > > > are
> > > > > > just some examples of these technologies. Wayang fills a
> > significant
> > > > gap
> > > > > -
> > > > > > it provides a common abstraction for all these platforms and
> > decides
> > > on
> > > > > > which platforms to run a single data analytic task - that
> > > > > > exist
> in
> > > the
> > > > > big
> > > > > > data open source world. Wayang is now being developed
> > > > > > following
> the
> > > > > > Apache-style development model. Also, it is well-aligned
> > > > > > with the
> > > > Apache
> > > > > > principle of building a community to impact the big data
> community.
> > > > > >
> > > > > > === Known Risks ===
> > > > > >
> > > > > > ** Orphaned Products **
> > > > > >
> > > > > > Currently, Wayang is the core technology behind Scalytics inc..
> As
> > a
> > > > > > result, a team of two engineers are working on a full time
> > > > > > basis
> on
> > > > this
> > > > > > project. Recently, three more developers have joined our
> > > > > > efforts
> in
> > > > > > building Wayang. Thus, the risk of Wayang becoming orphaned
> > > > > > is
> > > > relatively
> > > > > > very low. Still, people outside Scalytics (from TU Berlin
> > > > > > and
> HBKU)
> > > > have
> > > > > > also joined the project, which makes the risk of abandoning
> > > > > > the
> > > project
> > > > > > even lower. The PUCV in Chile is also beginning to
> > > > > > contribute to
> > the
> > > > code
> > > > > > base and to develop a declarative query language on top of
> Wayang.
> > > The
> > > > > > project is constantly being monitored by email and frequent
> > > > > > Skype
> > > > > meetings
> > > > > > as well as by weekly meetings with Scalytics people.
> Additionally,
> > at
> > > > the
> > > > > > end of each year, we meet to discuss the status of the
> > > > > > project as
> > > well
> > > > as
> > > > > > to plan the most important aspects we should work on during
> > > > > > the
> > year
> > > > > after.
> > > > > >
> > > > > > ** Inexperience with Open Source **
> > > > > >
> > > > > > Wayang quickly started being developed in open source under
> > > > > > the
> > > Apache
> > > > > > Software License 2.0. The source code is available on Github.
> Also
> > > few
> > > > of
> > > > > > the initial committers have contributed to other open source
> > > projects:
> > > > > > Hadoop and Flume
> > > > > >
> > > > > > ** Homogeneous Developers **
> > > > > >
> > > > > > The initial committers are already geographically
> > > > > > distributed
> among
> > > > > Chile,
> > > > > > Germany, and Qatar. During incubation, one of our main goals
> > > > > > is
> to
> > > > > increase
> > > > > > the heterogeneity of the current community and we will work
> > > > > > hard
> to
> > > > > achieve
> > > > > > it.
> > > > > >
> > > > > > ** Reliance on salaried developers **
> > > > > >
> > > > > > Wayang is already being developed by a mix of full time and
> > volunteer
> > > > > > time. Only 2 of the initial committers are working full time
> > > > > > on
> > this
> > > > > > project (Scalytics). So, we are confident that the project
> > > > > > will
> not
> > > > > > decrease its development pace. Furthermore, we are committed
> > > > > > to
> > > recruit
> > > > > > additional committers to significantly increase the
> > > > > > development
> > pace
> > > of
> > > > > the
> > > > > > project.
> > > > > >
> > > > > > ** Relationships with other Apache products **
> > > > > >
> > > > > > Wayang is somehow related to Apache Spark as its developing
> > interface
> > > > is
> > > > > > inspired from Spark. In contrast to Spark, Wayang is not a
> > > > > > data
> > > > > processing
> > > > > > platform, but a mediator between user applications and data
> > > processing
> > > > > > platforms. In this sense, Wayang is similar to the Apache
> > > > > > Drill
> > > > project,
> > > > > > and Apache Beam. However, Wayang significantly differs from
> Apache
> > > > Drill
> > > > > in
> > > > > > two main aspects. First, Apache Drill provides only a common
> > > interface
> > > > to
> > > > > > query multiple data storages and hence users have to specify
> > > > > > in
> > their
> > > > > query
> > > > > > the data to fetch. Then, Apache Drill translates the query
> > > > > > to the processing platforms where the data is stored, e.g.
> > > > > > into mongoDB
> > > query
> > > > > > representation. In contrast, in Wayang, users only specify
> > > > > > the
> data
> > > > path
> > > > > > and Wayang decides which are the best (performance-wise)
> > > > > > data
> > > > processing
> > > > > > platforms to use to process such data. Second, the query
> interface
> > in
> > > > > > Apache Drill is SQL. Wayang uses an interface based on
> > > > > > operators
> > > > forming
> > > > > > DAGs. In this latter point, we are currently developing a
> > > PIGLatin-like
> > > > > > query language for Wayang. In addition, in contrast to
> > > > > > Apache
> Beam,
> > > > > Wayang
> > > > > > not only allows users to use multiple data processing
> > > > > > platforms
> at
> > > the
> > > > > same
> > > > > > time, but also it provides an optimizer to choose the most
> > efficient
> > > > > > platform for the task at hand. In Apache Beam, users have to
> > specify
> > > an
> > > > > > appropriate runner (platform).
> > > > > > Given these similarities with the two Apache projects
> > > > > > mentioned
> > > above,
> > > > we
> > > > > > are looking forward to collaborating with those communities.
> Still,
> > > we
> > > > > are
> > > > > > open and would also love to collaborate with other Apache
> > communities
> > > > as
> > > > > > well.
> > > > > > ** An excessive fascination with the Apache Brand **
> > > > > >
> > > > > > Wayang solves a real problem that currently users and
> > > > > > developers
> > have
> > > > to
> > > > > > deal with at a high cost: monetary cost, high design and
> > development
> > > > > > efforts, and very time consuming. Therefore, we believe that
> Wayang
> > > can
> > > > > be
> > > > > > successful in building a large community around it. We are
> > convinced
> > > > that
> > > > > > the Apache brand and community process will significantly
> > > > > > help us
> > in
> > > > > > building such a community and to establish the project in
> > > > > > the
> > > > long-term.
> > > > > We
> > > > > > simply believe that ASF is the right home for Wayang to
> > > > > > achieve
> > this.
> > > > > >
> > > > > > === Documentation ===
> > > > > >
> > > > > > Further details, documentation, and publications related to
> Wayang
> > > can
> > > > be
> > > > > > found at https://docs.rheem.io/rheem/
> > > > > >
> > > > > > === Initial Source ===
> > > > > >
> > > > > > The current source code of Wayang resides in Github:
> > > > > > https://github.com/rheem-ecosystem/rheem
> > > > > >
> > > > > > === External Dependencies ===
> > > > > >
> > > > > > Wayang depends on the following Apache projects:
> > > > > >
> > > > > > * Maven
> > > > > > * HDFS
> > > > > > * Hadoop
> > > > > > * Spark
> > > > > >
> > > > > > Wayang depends on the following other open source projects
> > organized
> > > by
> > > > > > license:
> > > > > >
> > > > > > org.json.json: Json (http://json.org/license.html)
> > > > > > SnakeYAML: Apache 2.0
> > > > > > Java Unified Expression Language API (Juel): Apache 2.0
> > > > > > ProfileDB Instrumentation: Apache 2.0
> > > > > > Gson: Apache 2.0
> > > > > > Hadoop: Apache 2.0
> > > > > > Scala: Apache 2.0
> > > > > > Antlr 4: BSD
> > > > > > Jackson: Apache 2.0
> > > > > > Junit 5: EPL 2.0
> > > > > > Mockito: MIT
> > > > > > Assertj: Apache 2.0
> > > > > > logback-classic: EPL 1.0 LGPL 2.1
> > > > > > slf4j: MIT
> > > > > > GNU Trove: LGPL 2.1
> > > > > > graphchi: Apache 2.0
> > > > > > SQLite JDBC: Apache 2.0
> > > > > > PostgreSQL: BSD 2-clause
> > > > > > jcommander: Apache 2.0
> > > > > > Koloboke Collections API: Apache 2.0 Snappy Java: Apache 2.0
> > > > > > Apache Spark: Apache 2.0 HyperSQL Database: BSD Modified (
> > > > http://hsqldb.org/web/hsqlLicense.html)
> > > > > > Apache Giraph: Apache 2.0
> > > > > > Apache Flink: Apache 2.0
> > > > > > Apache Commons IO: Apache 2.0 Apache Commons Lang: Apache
> > > > > > 2.0 Apache Maven: Apache 2.0
> > > > > >
> > > > > > === Cryptography ===
> > > > > >
> > > > > > (not applicable)
> > > > > >
> > > > > > === Required Resources ===
> > > > > >
> > > > > > ** Mailing Lists **
> > > > > >
> > > > > > * mailto:private@wayang.incubator.apache.org
> > > > > > * mailto:dev@wayang.incubator.apache.org
> > > > > > * mailto:commits@Wayang.incubator.apache.org
> > > > > >
> > > > > > ** Git repositories **
> > > > > >
> > > > > > git://git.apache.org/repos/asf/incubator/wayang
> > > > > >
> > > > > > ** Issue tracking **
> > > > > >
> > > > > > https://issues.apache.org/jira/browse/RHEEM
> > > > > >
> > > > > > === Initial Committers ===
> > > > > >
> > > > > > The following list gives the planned initial committers (in
> > > > alphabetical
> > > > > > order):
> > > > > >
> > > > > > * Bertty Contreras-Rojas <bertty@http://scalytics.io>
> > > > > > * Rodrigo Pardo-Meza <rodrigo@http://scalytics.io>
> > > > > > * Alexander Alten-Lorenz <alo@http://scalytics.io>
> > > > > > * Zoi Kaoudi <zoi.kaoudi@http://tu-berlin.de>
> > > > > > * Haralampos Gavriilidis <gavriilidis@http://tu-berlin.de>
> > > > > > * Jorge-Arnulfo Quiane-Ruiz
> > > > > > <jorge.quiane@http://tu-berlin.de>
> > > > > > * Anis Troudi <atroudi@http://hbku.edu.qa>
> > > > > > * Wenceslao Palma-Muñoz <wenceslao.palma@http://pucv.cl>
> > > > > >
> > > > > > ** Affiliations **
> > > > > >
> > > > > > * Scalytics Inc.
> > > > > > ** Bertty Contreras-Rojas
> > > > > > ** Rodrigo Pardo-Meza
> > > > > > ** Alexander Alten-Lorenz
> > > > > > * Berlin Institute of Technology (TU Berlin)
> > > > > > ** Zoi Kaoudi
> > > > > > ** Haralampos Gavriilidis
> > > > > > ** Jorge-Arnulfo Quiane-Ruiz
> > > > > > * Hamad Bin Khalifa University (HBKU)
> > > > > > ** Anis Troudi
> > > > > > * Pontifical Catholic University of Valparaiso, Chile (PUCV)
> > > > > > ** Wenceslao Palma-Muñoz
> > > > > >
> > > > > > === Sponsors ===
> > > > > >
> > > > > > ** Champion **
> > > > > >
> > > > > > * Christofer Dutz (christofer.dutz at c-ware dot de)
> > > > > >
> > > > > > ** Mentors **
> > > > > >
> > > > > > . (cdutz) Christofer Dutz
> > > > > > . (larsgeorge) Lars George
> > > > > > . (berndf) Fondermann
> > > > > > . (jbonofre) Jean-Baptiste Onofré
> > > > > >
> > > > > > ** Sponsoring Entity **
> > > > > >
> > > > > > The Apache Incubator
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > --------------------------------------------------------------------
> > -
> > > > > > To unsubscribe, e-mail:
> > > > > > general-unsubscribe@incubator.apache.org
> > > > > > For additional commands, e-mail:
> general-help@incubator.apache.org
> > > > > >
> > > > > >
> > > > >
> > > > > --
> > > > > Dan Widdis
> > > > >
> > > >
> > >
> > >
> > > --
> > > Byung-Gon Chun
> > >
> >
>