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From "Debo Dutta (dedutta)" <>
Subject Re: [PROPOSAL] Storm for Apache Incubator
Date Wed, 04 Sep 2013 08:12:10 GMT
+1 This would be great.

On 9/4/13 1:07 AM, "Nathan Marz" <> wrote:

>Hi everyone,
>I'd like to propose Storm to be an Apache Incubator project. After much
>thought I believe this is the right next step for the project, and I look
>forward to hearing everyone's thoughts and feedback!
>Here's a link to the proposal:
>The proposal is also pasted below.
>= Storm Proposal =
>== Abstract ==
>Storm is a distributed, fault-tolerant, and high-performance realtime
>computation system that provides strong guarantees on the processing of
>== Proposal ==
>Storm is a distributed real-time computation system. Similar to how Hadoop
>provides a set of general primitives for doing batch processing, Storm
>provides a set of general primitives for doing real-time computation. Its
>use cases span stream processing, distributed RPC, continuous computation,
>and more. Storm has become a preferred technology for near-realtime
>big-data processing by many organizations worldwide (see a partial list at
> As an open source
>project, Storm¹s developer community has grown rapidly to 46 members.
>== Background ==
>The past decade has seen a revolution in data processing. MapReduce,
>Hadoop, and related technologies have made it possible to store and
>data at scales previously unthinkable. Unfortunately, these data
>technologies are not realtime systems, nor are they meant to be. The lack
>of a "Hadoop of realtime" has become the biggest hole in the data
>processing ecosystem. Storm fills that hole.
>Storm was initially developed and deployed at BackType in 2011. After 7
>months of development BackType was acquired by Twitter in July 2011. Storm
>was open sourced in September 2011.
>Storm has been under continuous development on its Github repository since
>being open-sourced. It has undergone four major releases (0.5, 0.6, 0.7,
>0.8) and many minor ones.
>== Rationale ==
>Storm is a general platform for low-latency big-data processing. It is
>complementary to the existing Apache projects, such as Hadoop. Many
>applications are actually exploring using both Hadoop and Storm for
>big-data processing. Bringing Storm into Apache is very beneficial to both
>Apache community and Storm community.
>The rapid growth of Storm community is empowered by open source. We
>the Apache foundation is a great fit as the long-term home for Storm, as
>provides an established process for community-driven development and
>decision making by consensus. This is exactly the model we want for future
>Storm development.
>== Initial Goals ==
>  * Move the existing codebase to Apache
>  * Integrate with the Apache development process
>  * Ensure all dependencies are compliant with Apache License version 2.0
>  * Incremental development and releases per Apache guidelines
>== Current Status ==
>Storm has undergone four major releases (0.5, 0.6, 0.7, 0.8) and many
>ones. Storm 0.9 is about to be released. Storm is being used in production
>by over 50 organizations. Storm codebase is currently hosted at
>which will seed the Apache git repository.
>=== 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 low-latency big-data processing platform in the open source
>is tremendous. Storm is currently being used by at least 50 organizations
>worldwide (see, and
>the most starred Java project on Github. By bringing Storm into Apache, we
>believe that the community will grow even bigger.
>=== Core Developers ===
>Storm was started by Nathan Marz at BackType, and now has developers from
>Yahoo!, Microsoft, Alibaba, Infochimps, and many other companies.
>=== Alignment ===
>In the big-data processing ecosystem, Storm is a very popular low-latency
>platform, while Hadoop is the primary platform for batch processing. We
>believe that it will help the further growth of big-data community by
>having Hadoop and Storm aligned within Apache foundation. The alignment is
>also beneficial to other Apache communities (such as Zookeeper, Thrift,
>Mesos). We could include additional sub-projects, Storm-on-YARN and
>Storm-on-Mesos, in the near future.
>== Known Risks ==
>=== Orphaned Products ===
>The risk of the Storm project being abandoned is minimal. There are at
>least 50 organizations (Twitter, Yahoo!, Microsoft, Groupon, Baidu,
>Alibaba, Alipay, Taobao, PARC, RocketFuel etc) are highly incentivized to
>continue development. Many of these organizations have built critical
>business applications upon Storm, and have devoted significant internal
>infrastructure investment in Storm.
>=== Inexperience with Open Source ===
>Storm has existed as a healthy open source project for several years.
>During that time, we have curated an open-source community successfully,
>attracting over 40 developers from a diverse group of companies including
>Twitter, Yahoo!, and Alibaba.
>=== Homogenous Developers ===
>The initial committers are employed by large companies (including Twitter,
>Yahoo!, Alibaba, Microsoft) and well-funded startups. Storm has an active
>community of developers, and we are committed to recruiting additional
>committers based on their contributions to the project.
>=== Reliance on Salaried Developers ===
>It is expected that Storm development will occur on both salaried time and
>on volunteer time, after hours. The majority of initial committers are
>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
>=== Relationships with Other Apache Products ===
>As mentioned in the Alignment section, Storm is closely integrated with
>Zookeeper, Thrift, YARN and Mesos in a numerous ways. We look forward to
>collaborating with those communities, as well as other Apache communities
>(including Apache S4 which focuses on stateful low-latency processing).
>=== An Excessive Fascination with the Apache Brand ===
>Storm is already a healthy and well known open source project. This
>proposal is not for the purpose of generating publicity. Rather, the
>primary benefits to joining Apache are those outlined in the Rationale
>== Documentation ==
>The reader will find these websites highly relevant:
>  * Storm website:
>  * Storm documentation:
>  * Codebase:
>  * User group:
>== Source and Intellectual Property Submission Plan ==
>The Storm codebase is currently hosted on Github:
>This is the exact codebase that we would migrate to the Apache foundation.
>The Storm source code is currently licensed under Eclipse Public License
>Version 1.0. Some source code was contributed under a contributor
>based on the Sun contributor agreement (v1.5). More recent code has been
>contributed under an Apache style agreement (see
>Upon entering Apache, Storm will migrate to an Apache License 2.0 with all
>contributions licensed to the Apache Foundation. In certain cases where
>individuals or organizations hold copyright, we will ensure they grant a
>license to the Apache Foundation. Going forward, all commits will be
>licensed directly to the Apache foundation through our signed Individual
>Contributor License Agreements for all committers on the project.
>Yahoo! is also willing to move Storm-on-YARN code from github to be a
>subproject of Apache Storm project. Storm-on-YARN is currently licensed
>under Apache License 2.0 and receive contribution under Apache style CLA.
>Upon entering Apache, Yahoo! will sign over copyright to Apache
>== External Dependencies ==
>To the best of our knowledge, all of Storm dependencies (except 0MQ/JMQ)
>are distributed under Apache compatible licenses. Upon acceptance to the
>incubator, we would begin a thorough analysis of all transitive
>dependencies to verify this fact and introduce license checking into the
>build and release process (for instance integrating Apache Rat).
>Storm has used 0MQ and JMQ as the default mechanism for internal messaging
>layer, and 0MQ/JMQ is licensed under GNU Lesser General Public License.
>Recently, we have made Storm messaging layer pluggable, and plan to use
>Netty (which is licensed under Apache License v2) as our default messaging
>plugin (while keep 0MQ as an optional plugin).
>== Cryptography ==
>We do not expect Storm to be a controlled export item due to the use of
>Storm enable encryptions via 2 plugins:
>  * SASL authentication plugins Š Currently, we have provide ³no-op²
>authentication and digest authentication. In near future, we will
>Kerberos authentication.
>  * Tuple payload serialization plugins Š Storm provides plugins for
>plain-object serialization and blowfish encryption.
>== Required Resources ==
>=== Mailing lists ===
>* storm-user
>* storm-dev
>* storm-private (with moderated subscriptions)
>=== Subversion Directory ===
>Git is the preferred source control system: git://
>=== Issue Tracking ===
>== Initial Committers ==
>  * Nathan Marz <nathan at nathanmarz dot com>
>  * James Xu <xumingmingv at gmail dot com>
>  * Jason Jackson <jason at cvk dot ca>
>  * Andy Feng <afeng at yahoo-inc dot com>
>  * Flip Kromer  <flip at infochimps dot com>
>  * David Lao <davidlao at microsoft dot com>
>  * P. Taylor Goetz <ptgoetz at gmail dot com>
>== Affiliations ==
>  * Nathan Marz - Nathan¹s Startup
>  * James Xu - Alibaba
>  * Jason Jackson - Twitter
>  * Andy Feng - Yahoo!
>  * Flip Kromer - Infochimps
>  * David Lao - Microsoft
>  * P. Taylor Goetz - Health Market Science
>== Sponsors ==
>=== Champion ===
>  * Doug Cutting  <cutting at apache dot org>
>=== Nominated Mentors ===
> * Ted Dunning <tdunning at>
> * Arvind Prabhaker <arvind at apache dot org>
> * Devaraj Das <ddas at hortonworks dot com>
>=== Sponsoring Entity ===
>The Apache Incubator

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