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From Amol Kekre <a...@datatorrent.com>
Subject [DISCUSS] Apex Incubation Proposal
Date Thu, 06 Aug 2015 00:23:56 GMT
I would like to start a discussion on DataTorrent's core engine and its
operators joining the ASF as an incubating project under the name Apex.

The proposal is available on the wiki here:
https://wiki.apache.org/incubator/ApexProposal

The text of the proposal is also available at the end of this email

Apex is an enterprise grade native YARN big data-in-motion platform that
unifies batch and stream processing. Apex is a highly distributed,
performant, fault tolerant, stateful and easily operable platform.

Thanks in advance for your time and help.

Thks,
Amol

--------------------------------------------------------------------------------------------

== Abstract ==
Apex is an enterprise grade native YARN big data-in-motion platform that
unifies stream processing as well as batch processing. Apex processes big
data in-motion in a highly scalable, highly performant, fault tolerant,
stateful, secure, distributed, and an easily operable way. It provides a
simple API that enables users to write or re-use generic Java code, thereby
lowering the expertise needed to write big data applications.

Functional and operational specifications are separated. Apex is designed
in a way to enable users to write their own code (aka user defined
functions) as is and leave all operability to the platform. The API is very
simple and is designed to allow users to drop in their code as is. The
platform mainly deals with operability and treats functional code as a
black box. Operability includes fault tolerance, scalability, security,
ease of use, metrics api, webservices, etc. In other words there is no
separation of UDF (user defined functions), as all functional code is UDF.
This frees users to focus on functional development, and lets platform
provide operability support. The same code runs as is with different
operability attributes. The data-in-motion architecture of Apex unifies
stream as well as batch processing in a single platform. Since Apex is a
native YARN application, it leverages all the components of YARN without
duplication. Apex was developed with YARN in mind and has no overlapping
components/functionality with YARN.

The Apex platform is supplemented by project Malhar, which is a library of
operators that implement common business logic functions needed by
customers who want to quickly develop applications. These operators provide
access to HDFS, S3, NFS, FTP, and other file systems;  Kafka, ActiveMQ,
RabbitMQ, JMS, and other message systems; MySql, Cassandra, MongoDB, Redis,
HBase, CouchDB and other databases along with JDBC connectors. The Malhar
library also includes a host of other common business logic patterns that
help users to significantly reduce the time it takes to go into production.
Ease of integration with all other big data technologies is one of the
primary missions of Malhar.

== Proposal ==
The goal of this proposal is to establish the core engine of DataTorrent
RTS product as an Apache Software Foundation (ASF) project in order to
build a vibrant, diverse, and self-governed open source community around
the technology. DataTorrent will continue to sell management tools,
application building tools, easy to use big data applications, and custom
high end business logic operators. This proposal covers the Apex source
code (written in Java), Apex documentation and other materials currently
available on https://github.com/DataTorrent/Apex. This proposal also covers
the Malhar source code (written in Java), Malhar documentation, and other
materials currently available on https://github.com/DataTorrent/Malhar. We
have done a trademark check on the name Apex, and have concluded that the
Apex name is likely to be a suitable project name.

== Background ==
DataTorrent RTS is a mature and robust product developed as a native YARN
application. RTS 1.0 was launched in summer of 2014; RTS 2.0 was launched
in Jan 2015. Both were well received by customers. RTS 3.0 was launched at
end of July 2015. RTS is among the first enterprise grade platform that was
developed from the ground up as native YARN application. DataTorrent RTS is
currently maintained by engineers as a closed source project. Even though
the engineers behind RTS are experienced software engineers and are
knowledge leaders in data-in-motion platforms, they have had little
exposure to the open source governance process. Customers are currently
running applications based on DataTorrent RTS in production.

== Rationale ==
Big data applications written for non-Hadoop platforms typically require
major rewrites  to get them to work with Hadoop. This rewriting creates a
significant bottleneck in terms of resources (expertise) which in turn
jeopardizes the viability of such an endeavour. It is hard enough to
acquire big data expertise, demanding additional expertise to do a major
code conversion makes it a very hard problem for projects to successfully
migrate to Hadoop. Also, due to the batch processing nature of Hadoop’s
MapReduce paradigm, users often have to wait tens of minutes to see results
and act on them due to various delays in data flow. DataTorrent’s RTS
data-in-motion architecture is designed to address this problem. It enables
even the non big data developer to write code and operate it in a scalable,
fault tolerant manner. The big data-in-motion architecture of DataTorrent’s
RTS enables ease of integration into current enterprise infrastructure.
This goal was achieved by keeping the API simple and empowering users to
put in the connector code as is (or with minimal changes).

Malhar is a manifestation of this reality, and we or the customer engineers
were able to create these connectors within a day or so if not within a
week. Connectors include those to integrate with message bus(es), file
systems, databases, other protocols, and more continue to be added. Over a
period of time we expect users to simply pick a connector that already
exists in Malhar and quickly begin integrating with their current
enterprise infrastructure. Within the data-in-motion architecture a stream
application is one with connector(s) to say Kafka, JMS, or Flume; while a
batch application is one with connector(s) to HDFS, HBase, FTP, NFS, S3n
etc. This allows usage of the platform for both stream as well as batch
processing with same business logic. Complete separation of user written
application code from all operational aspects of the system, as well as
support code for YARN, significantly expands the potential use cases that
can migrate to use Hadoop.

Apex will enable Hadoop eco-system to migrate a lot more use cases. It will
enable the Hadoop eco-system to deliver on a promise to rapidly transform
current IT infrastructure. Apex will help in significantly increasing
productization of big data projects. One of the main barometers of success
in the Hadoop eco-system is significant reduction of time to market for big
data applications migrating to Hadoop. We believe that Apex will be one of
the platforms that will enable users to extract value from big data, by
reducing time to market. This rapid innovation can be optimally achieved
through a vibrant, diverse, self-governed community collectively innovating
around Apex and the Malhar library, while at the same time
cross-pollinating with various other big data platforms. ASF is an ideal
place to meet this goal.

== Initial Goals ==
Our initial goals are to bring Apex and Malhar repositories into the ASF,
adapt internal engineering processes to open development, and foster a
collaborative development model in accordance with the "Apache Way."
DataTorrent plans to develop new functionality in an open, community-driven
way. To get there, the existing internal build, test and release processes
will be refactored to support open development. We already have an active
user community on google groups that we intend to migrate to Apache.

== Current Status ==
Currently, the project Apex code base is available under Apache 2.0 license
(https://github.com/DataTorrent/Apex). Project Malhar code base is
available under Apache 2.0 license (https://github.com/DataTorrent/Malhar).
Project Malhar was open sourced 2 years ago which should make it easy for
the project Malhar team to adapt to an  open, collaborative, and
meritocratic environment. Contributors of Malhar are employees of
DataTorrent or have agreed to the shift to Apache. Project Apex, in
contrast, was developed as a proprietary, closed-source product, but the
internal engineering practices adopted by the development team were common
to Malhar, and should lend themselves well to an open  environment.
DataTorrent plans to execute a software grant agreement as part of the
launch of the incubation of Apex as an Apache project.

The DataTorrent team has always focused on building a robust end user
community of paying and non-paying customers. We think that the existing
community centered around the existing google groups mailing list should be
relatively easy to transform into an Apache-style community including both
users and developers.

=== Meritocracy ===
Our proposed list of initial committers include the current RTS R&D team,
and our existing customers. This group will form a base for the broader
community we will invite to collaborate on the codebase. We intend to
radically expand the initial developer and user community by running the
project in accordance with the "Apache Way". Users and new contributors
will be treated with respect and welcomed. By participating in the
community and providing quality patches/support that move the project
forward, they will earn merit. They also will be encouraged to provide
non-code contributions (documentation, events, presentations, community
management, etc.) and will gain merit for doing so. Those with a proven
support and quality track record will be encouraged to become committers.

=== Community ===
If Apex is accepted for incubation, the primary initial goal will be
transitioning the core community towards embracing the Apache Way of
project governance. We will solicit major existing contributors to become
committers on the project from the start. It should be noted that the
existing community is already more diverse in many ways than some top-level
Apache projects. We expect that we can encourage even more diversity.

=== Core Developers ===
While a few core developers are skilled in working in openly governed
Apache communities, most of the core developers are currently NOT
affiliated with the ASF and would require new ICLAs before committing to
the project. There would also be a learning curve associated with this
on-boarding. Changing current development practices to be more open will be
an important step.

=== Alignment ===
The following existing ASF projects provide related functionality as that
provided by Apex and should be considered when reviewing Apex proposal:

Apache HadoopⓇ is a distributed storage and processing framework for very
large datasets focusing primarily on batch processing for analytic
purposes. Apex is a native YARN application. The Apex and Malhar roadmap
includes plans to continue to leverage YARN, and help the YARN community
develop the ability to support long running applications. Apex uses DFS
interface of its core checkpoint/commit. Malhar has a large number of
operators that leverage HDFS and other Apache projects. Our roadmap
includes plans to continue to deepen the currently close integration with
HDFS.

Apache HBase offers tabular data stored in Hadoop based on the Google
Bigtable model. Malhar has HBase connectors to ease integration with HBase.
Malhar roadmap includes plans to continue to enhance integration with
Apache HBase.

Apache Kafka offers distributed and durable publish-subscribe messaging.
Malhar integrates Kafka with Hadoop through feature rich connectors and
supports ingest as well as analytical functions to incoming data. Raw data
can be ingested from Kafka and results can be written to Kafka. Malhar
roadmap includes plans to continue to enhance integration with Apache Kafka.

Apache Flume is a distributed, reliable, and available service for
efficiently collecting, aggregating, and moving large amounts of log data.
Malhar has Flume connectors to ease integration with Flume. These
connectors ensures that ingestion with Flume is fault tolerant and thus can
be done in real-time with the same SLA as Flume’s HDFS connectors. Malhar
roadmap includes plans to continue to enhance integration with Apache Flume.

Apache Cassandra is a highly scalable, distributed key-value store that
focuses on eventual consistency. Malhar has connectors to ease integration
with Cassandra. Malhar roadmap includes plans to continue to enhance
integration with Apache Cassandra.

Apache Accumulo is a distributed key-value store based on Google’s BigTable
design. Malhar has connectors to ease integration with Accumulo. The Malhar
roadmap includes plans to continue to enhance integration with Apache
Accumulo.

Apache Tez is aimed at building an application framework which allows for a
complex DAG of tasks for process data. The Apex and Malhar roadmaps include
plans to integrate with Apache Tez but this is not currently supported.

Apache ActiveMQ and its sub project Apache Apollo offers a powerful message
queue framework. Malhar has ActiveMQ connectors that ease integration with
ActiveMQ.

Apache Spark is an engine for processing large datasets, typically in a
Hadoop cluster. Malhar project makes it easy for users to integrate with
Spark. The Malhar roadmap includes plans to continue to enhance integration
with Apache Spark.

Apache Flink is an engine for scalable batch and stream data processing.
Malhar project makes it easy for users to integrate with Flink. There is
overlap in how Flink leverages data-in-motion architecture for both stream
and batch processing, and it does subscribe to our thought process that
data-in-motion can handle both stream and batch, meanwhile a batch only
engine will find it harder to manage streams. We differ in terms of how we
handle operability, user defined code, metrics, webservices etc. Apex is
very operational oriented, while Flink has much more focus on functional
elements. Malhar and rapid availability of common business logic is another
differentiator. We believe both these approaches are valid and the
community and innovation will gain by through cross pollination. We plan to
integrate with Apache Flink via HDFS for now.

Apache Hive software facilitates querying and managing large datasets
residing in distributed storage. Malhar project makes it easy for users to
integrate with Apache Hive. The Malhar roadmap includes plans to continue
to enhance integration with Apache Hive.

Apache Pig is a platform for analyzing large data sets.  Pig consists of a
high-level language for expressing data analysis programs, coupled with
infrastructure for evaluating these programs. The Apex and Malhar roadmaps
include plans to integrate with Apache Pig.

Apache Storm is a distributed realtime computation system. Malhar makes it
easy for users to integrate with Apache Storm. We plan to integrate with
Apache Storm via HDFS for now. Malhar roadmaps include plans to continue to
support mechanism for integration with Apache Storm.

Apache Samza is a distributed stream processing framework. Malhar makes it
easy for users to integrate with Apache Samza. We plan to integrate with
Apache Samza via HDFS or Apache Kafka for now. Malhar roadmaps include
plans to continue to support mechanism for integration with Apache Samza.

Apache Slider is a YARN application to deploy existing distributed
applications on YARN, monitor them, and make them larger or smaller as
desired even when the application is running. Once Slider matures, we will
take a look at close integration of Apex with Slider.

Project Malhar and Apex are aligned to many more Apache projects and other
open source projects as ease of integration with other technologies is one
of the primary goals of this project. These include Apache Solr,
ElasticSearch, MongoDB, Aerospike, ZeroMQ, CouchDB, CouchBase, MemCache,
Redis, RabbitMQ, Apache Derby.

== Known Risks ==
Development has been sponsored mostly by a single company (DataTorrent,
Inc.) thus far and coordinated mainly by the core DataTorrent RTS and
Malhar team, with active participation from our current customers.

For the project to fully transition to the Apache Way governance model,
development must shift towards the merit-centric model of growing a
community of contributors balanced with the needs for extreme stability and
core implementation coherency.

The tools and development practices in place for the DataTorrent RTS and
Malhar products are compatible with the ASF infrastructure and thus we do
not anticipate any on-boarding pains. Migration from the current GitHub
repository is also expected to be straightforward.

=== Orphaned products ===
DataTorrent is fully committed to DataTorrent Apex and Malhar and the
product will continue to be based on the Apex project. Moreover,
DataTorrent has a vested interest in making Apex succeed by driving its
close integration with sister ASF projects. We expect this to further
reduce the risk of orphaning the product.

=== Inexperience with Open Source ===
DataTorrent has embraced open source software by open sourcing Malhar
project under Apache 2.0 license. The DataTorrent team includes veterans
from the Yahoo! Hadoop team. Although some of the initial committers have
not been developers on an entirely open source, community-driven project,
we expect to bring to bear the open development practices of Malhar to the
Apex project. Additionally, several ASF veterans agreed to mentor the
project and are listed in this proposal. The project will rely on their
guidance and collective wisdom to quickly transition the entire team of
initial committers towards practicing the Apache Way. DataTorrent is also
driving the Kafka on YARN (KOYA) initiative.

=== Homogeneous Developers ===
While most of the initial committers are employed by DataTorrent, we have
already seen a healthy level of interest from our existing customers and
partners. We intend to convert that interest directly into participation
and will be investing in activities to recruit additional committers from
other companies.

=== Reliance on Salaried Developers ===
Most of the contributors are paid to work in the Big Data space. While they
might wander from their current employers, they are unlikely to venture far
from their core expertises and thus will continue to be engaged with the
project regardless of their current employers.

=== Relationships with Other Apache Products ===
As mentioned in the Alignment section, Apex may consider various degrees of
integration and code exchange with Apache Hadoop (YARN and HDFS), Apache
Kafka, Apache HBase, Apache Flume, Apache Cassandra, Apache Accumulo,
Apache Tez, Apache Hive, Apache Pig, Apache Storm, Apache Samza, Apache
Spark, Apache Slider. Given the success that the DataTorrent RTS product
enjoyed, we expect integration points to be inside and outside the project.
We look forward to collaborating with these communities as well as other
communities under the Apache umbrella.

=== An Excessive Fascination with the Apache Brand ===
While we intend to leverage the Apache ‘branding’ when talking to other
projects as testament of our project’s ‘neutrality’, we have no plans for
making use of Apache brand in press releases nor posting billboards
advertising acceptance of Apex into Apache Incubator.


== Documentation ==
See documentation for the current state of the project documentation
available as part of the GitHub repositories -
https://github.com/DataTorrent/Apex; https://github.com/DataTorrent/Malhar.
In addition a list of demos that serve as a how to guide are available at
https://github.com/DataTorrent/Malhar/tree/master/demos

== Initial Source ==
DataTorrent has released the source code for Apex under Apache 2.0 License
at https://github.com/DataTorrent/Apex, and that of Malhar under Apache 2.0
licence at https://github.com/DataTorrent/Malhar. We encourage ASF
community members interested in this proposal to download the source code,
review it and try out the software.

== Source and Intellectual Property Submission Plan ==
As soon as Apex is approved to join Apache Incubator, DataTorrent will
execute a Software Grant Agreement and the source code will be transitioned
onto ASF infrastructure. The code is already licensed under the  Apache
Software License, version 2.0. We know of no legal encumberments that would
inhibit the transfer of source code to the ASF.

== External Dependencies ==
All dependencies fall under the permissive licenses categories, or weak
copy left (http://www.apache.org/legal/resolved.html#category-b). We intend
to remove the dependencies on GPL licensed technologies on which APex or
Malhar depend. These technologies are optional and have been marked as such.

Embedded dependencies (relocated):
   * None

Runtime dependencies:
   * activemq-client
   * ant
   * async-http-client
   * bval-jsr303
   * commons-beanutils
   * commons-codec
   * commons-lang3
   * commons-compiler
   * embassador
   * fastutil
   * guava
   * hadoop-common
   * hadoop-common-tests
   * hadoop-yarn-client
   * httpclient
   * jackson-core-asl
   * jackson-mapper-asl
   * javax.mail
   * jersey-apache-client4
   * jersey-client
   * jetty-servlet
   * jetty-websocket
   * jline
   * kryo
   * named-regexp
   * netlet
   * rhino (GPL 2.0, optional)
   * slf4j-api
   * slf4j-log4j12
   * validation-api
   * xbean-asm5-shaded
   * zip4j

Module or optional dependencies
   * accumulo-core
   * aerospike-client
   * amqp-client
   * aws-java-sdk-kinesis
   * cassandra-driver-core
   * couchbase-client
   * CouchbaseMock
   * elasticsearch
   * geoip-api (LGPL, optional)
   * hbase
   * hbase-client
   * hbase-server
   * hive-exec
   * hive-service
   * hiveunit
   * javax.mail-api
   * jedis
   * jms-api
   * jri (GPL, optional)
   * jriengine (LGPL, optional)
   * jruby (LGPL, optional)
   * jython (PSF License, optional)
   * jzmq (LGPL, optional)
   * kafka_2.10
   * lettuce (GPL, optional)
   * libthrift
   * Memcached-Java-Client
   * mongo-java-driver
   * mqtt-client
   * mysql-connector-java (GPL2, optional)
   * org.ektorp
   * rengine (LGPL, optional)
   * rome
   * solr-core
   * solr-solrj
   * spymemcached
   * sqlite4java
   * super-csv
   * twitter4j-core
   * twitter4j-stream
   * uadetector-resources
   * org.apache.servicemix.bundles.splunk

Build only dependencies:
   * None

Test only dependencies:
   * activemq-broker
   * activemq-kahadb-store
   * greenmail
   * hadoop-yarn-server-tests
   * hsqldb
   * janino
   * junit
   * MockFtpServer
   * mockito-all
   * testng

Cryptography N/A

== Required Resources ==
=== Mailing lists ===
   * private@apex.incubator.apache.org (moderated subscriptions)
   * commits@apex.incubator.apache.org
   * dev@apex.incubator.apache.org
   * issues@apex.incubator.apache.org
   * user@apex.incubator.apache.org

=== Git Repository ===
   * https://git-wip-us.apache.org/repos/asf/incubator-apex.git
   * https://git-wip-us.apache.org/repos/asf/incubator-malhar.git

=== Issue Tracking ===
   * JIRA Project Apex (APEX)
   * JIRA Project Malhar (MALHAR)

=== Other Resources ===
   * Means of setting up regular builds for Apex on builds.apache.org
   * Means of setting up regular builds for Malhar on builds.apache.org

=== Rationale for Malhar and Apex having separate git and jira ===
We managed Malhar and Apex as two repos and two jiras on purpose. Both code
bases are released under Apache 2.0 and are proposed for incubation. In
terms of our vision to enable innovation around a native YARN
data-in-motion that unifies stream processing as well as batch processing
Malhar and Apex go hand in hand. Apex has base API that consists of java
api (functional), and attributes (operability). Malhar is a manifestation
of this api, but from user perspective, Malhar is itself an API to leverage
business logic. Over past three years we have found that the cadence of
release and api changes in Malhar is much rapid than Apex and it was
operationally much easier to separate them into their own repos. Two repos
will reflect clear separation of engine (Apex) and operators/business logic
(Malhar), and reflect different developer roles. It will allow or
independent release cycles (operator change independent of engine due to
stable API). We however do not believe in two levels of committers. We
believe there should be one community that works across both and innovates
with ideas that Malhar and Apex combined provide the value proposition. We
are proposing that Apache incubation process help us to foster development
of one community (mailing list, committers), and a yet be ok with two
repos. We are proposing that this be taken up during incubation. Community
will learn if this works. The decision on whether to split them into two
projects be taken after the learning curve during incubation.

== Initial Committers ==
   * Roma Ahuja (rahuja at directv dot com)
   * Isha Arkatkar (isha at datatorrent dot com)
   * Raja Ali (raji at silverspringnet dot com)
   * Sunaina Chaudhary ( SChaudhary at directv dot com)
   * Bhupesh Chawda (bhupesh at datatorrent dot com)
   * Chaitanya Chelobu (chaitanya at datatorrent dot com)
   * Bright Chen (bright at datatorrent dot com)
   * Pradeep Dalvi (pradeep dot dalvi at datatorrent dot com)
   * Sandeep Deshmukh (sandeep at datatorrent dot com)
   * Yogi Devendra (yogi at datatorrent dot com)
   * Cem Ezberci (hasan dot ezberci at ge dot com)
   * Timothy Farkas (tim at datatorrent dot com)
   * Ilya Ganelin (ilya dot ganelin at capitalone dot com)
   * Parag Goradia (parag dot goradia at ge dot com)
   * Tushar Gosavi (tushar at datatorrent dot com)
   * Priyanka Gugale (priyanka at datatorrent dot com)
   * Gaurav Gupta (gaurav at datatorrent dot com)
   * Sandesh Hegde (sandesh at datatorrent dot com)
   * Siyuan Hua ( siyuan at datatorrent dot com)
   * Ajith Joseph (ajoseph at silverspring dot com)
   * Amol Kekre ( amol at datatorrent dot com)
   * Chinmay Kolhatkar ( chinmay at datatorrent dot com)
   * Pramod Immaneni ( pramod at datatorrent dot com)
   * Anuj Lal ( anuj dot lal at ge dot com)
   * Dongsu Lee (dlee3 at directv dot com)
   * Vitaly Li (blossom dot valley at gmail dot com)
   * Dean Lockgaard (dean  at datatorrent dot com)
   * Rohan Mehta (rohan_mehta at apple dot com)
   * Adi Mishra (apmishra at directv dot com, adi dot mishra at gmail dot
com)
   * Chetan Narsude (chetan  at datatorrent dot com)
   * Darin Nee (dnee at silverspring dot com)
   * Alexander Parfenov (sasha at datatorrent dot com)
   * Andrew Perlitch (andy at datatorrent dot com)
   * Shubham Phatak (shubham at datatorrent dot com)
   * Ashwin Putta (ashwin at datatorrent dot com)
   * Rikin Shah (rikin dot shah at capitalone dot com)
   * Luis Ramos (l dot ramos at ge dot com)
   * Munagala Ramanath (ram at datatorrent dot com)
   * Vlad Rozov (vlad dot rozov at datatorrent dot com)
   * Atri Sharma (atri dot jiit at gmail dot com)
   * Chandni Singh (chandni at datatorrent dot com)
   * Venkatesh Sivasubramanian (venkateshs at ge dot com)
   * Aniruddha Thombare (aniruddha at datatorrent dot com)
   * Jessica Wang (jessica at datatorrent dot com)
   * Thomas Weise (thomas at datatorrent dot com)
   * David Yan (david at datatorrent dot com)
   * Kevin Yang (yang dot k at ge dot com)
   * Brennon York (brennon dot york at capitalone dot com)

== Affiliations ==
   * Apple: Vitaly Li, Rohan Mehta
   * Barclays: Atri Sharma
   * Class Software: Justin Mclean
   * CapitalOne: Ilya Ganelin, Rikin Shah, Brennon York
   * DataTorrent: everyone else on this proposal
   * DirecTV: Roma Ahuja, Sunaina Chaudhary, Dongsu Lee, Adi Mishra
   * General Electric: Cem Ezberci, Parag Goradia, Anuj Lal, Luis Ramos,
Venkatesh Sivasubramanian, Kevin Yang
   * Hortonworks: Alan Gates, Taylor Goetz, Chris Nauroth, Hitesh Shah
   * MapR: Ted Dunning
   * SilverSpring Networks: Raja Ali, Ajith Joseph, Darin Nee

== Sponsors ==

=== Champion ===
Ted Dunning

=== Nominated Mentors ===

The initial mentors are listed below:
   * Ted Dunning - Apache Member, MapR
   * Alan Gates - Apache Member, Hortonworks
   * Taylor Goetz - Apache Member, Hortonworks
   * Justin Mclean - Apache Member, Class Software
   * Chris Nauroth - Apache Member, Hortonworks
   * Hitesh Shah: Apache Member, Hortonworks

=== Sponsoring Entity ===

We would like to propose Apache incubator to sponsor this project.

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