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Date: Mon, 14 Nov 2016 07:46:32 +0800
Subject: Re: [VOTE] Accept RocketMQ into the Apache Incubator
Message-Id: <683278F3-195F-480C-94CC-F38DBB4F123A@gmail.com>
References: <CAMgYm0xAfvyg_WEp8D880m4St67Jc1zML4JenPsr_8gs4Py5rw@mail.gmail.com> <edb8023a-1be5-4451-9e2e-41f8e1b84cfc@apache.org>
In-Reply-To: <edb8023a-1be5-4451-9e2e-41f8e1b84cfc@apache.org>
To: general@incubator.apache.org
archived-at: Sun, 13 Nov 2016 23:48:39 -0000

+1=20

=B7=A2=D7=D4=CE=D2=B5=C4 iPhone

> =D4=DA 2016=C4=EA11=D4=C213=C8=D5=A3=AC13:24=A3=ACBruno Mah=A8=A6 <bmahe@a=
pache.org> =D0=B4=B5=C0=A3=BA
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> +1 (non-binding)
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>> On 11/10/2016 08:41 AM, Bruce Snyder wrote:
>> Subsequent to the discussion on RocketMQ, I would like to call a vote on
>> accepting RocketMQ into the Apache Incubator.
>>=20
>> [ ] +1 Accept RocketMQ into the Apache Incubator
>> [ ] +0 Abstain.
>> [ ] -1 Do not accept RocketMQ into the Apache Incubator because...
>>=20
>> The proposal is pasted below and also available in the wiki here:
>>     https://wiki.apache.org/incubator/RocketMQProposal
>>=20
>> Also, the ASF voting guidelines are available here:
>>     http://www.apache.org/foundation/voting.html
>>=20
>> Thanks,
>>=20
>> Bruce
>>=20
>>=20
>> =3D RocketMQ Proposal =3D
>>=20
>> =3D=3D Abstract =3D=3D
>>=20
>> RocketMQ is a fast, low latency, reliable, scalable, distributed, easy to=

>> use message-oriented middleware, especially for processing large amounts o=
f
>> streaming data.
>>=20
>> =3D=3D Proposal =3D=3D
>>=20
>> RocketMQ provides a message model including both pub/sub and P2P and it
>> supports both reliable FIFO and strict sequential message queues. It also=

>> has the ability to accumulate a billion messages in a single queue,
>> provides mobile, internet-friendly protocols such as MQTT and HTTP.
>> RocketMQ also supports the ability to load data into Apache Hadoop for
>> offline storage or to handle stream processing for Apache Storm.
>>=20
>> =3D=3D Background =3D=3D
>>=20
>> RocketMQ was developed at Alibaba in 2011 and has been used in production=

>> there since that time. It can process the large amounts of events generat=
ed
>> by various systems and provides a common repository for many types of
>> consumers to access and process those events. RocketMQ also handles dozen=
s
>> of types of events including trade order process, search, social network
>> activity stream and data pipeline. Every day at Alibaba, RocketMQ cluster=
s
>> process more than 500 billion events. The Alibaba Group also uses RocketM=
Q
>> to provide message services for more than 3000 core applications.
>>=20
>> RocketMQ was developed to meet Alibaba's particular use cases to provide
>> low latency message delivery and high throughput message sending. Alibaba=

>> has also created its cornerstone product derived from RocketMQ, a Platfor=
m
>> as a Service (PaaS) product named the Alibaba Cloud Platform (
>> https://intl.aliyun.com/).  More than 100 companies use the RocketMQ open=

>> source version today. We believe RocketMQ can benefit more people so, we
>> would like to share it via the ASF and begin developing a community of
>> developers and users via The Apache Way.
>>=20
>>=20
>> =3D=3D Rationale =3D=3D
>>=20
>> As background description, many organizations can benefit from a low
>> latency, reliable, high throughput, distributed platform. Its usage is
>> varied and we expect many new use cases to emerge. RocketMQ provides many=

>> features to support many use cases from enterprise application integratio=
n,
>> to web applications to the flourishing of IoT applications.
>>=20
>> =3D=3D Current Status =3D=3D
>>=20
>> =3D=3D=3D Meritocracy =3D=3D=3D
>>=20
>> The intent of this proposal is to start building a diverse developer and
>> user community around RocketMQ following the ASF meritocracy model. Since=

>> RocketMQ was open sourced, we have solicited contributions via the websit=
e
>> and presentations given to user groups and technical audiences and have
>> received positive feedback and contributions including clients for C++ an=
d
>> .NET. We plan to continue this support for new contributors and work with=

>> those who contribute significantly to the project to encourage them to
>> become committers.
>>=20
>> =3D=3D=3D Community =3D=3D=3D
>>=20
>> RocketMQ is currently being developed by engineers working for Alibaba
>> where it is highly used in a production environment. We also have active
>> users in or have received contributions from a diverse set of companies
>> including CMBC(China Minsheng Bank), Schneider Electric(
>> http://www.schneider-electric.com/), the China Railway Ministry official
>> ticketing website, China Union, Sina, Umei (http://sh.jumei.com), Chinese=

>> Academy of Sciences and many more. We hope to grow the base of contributo=
rs
>> by inviting all those who offer significant contributions and excel throu=
gh
>> the use of The Apache Way. Contributions from outside of Alibaba are now
>> being received by the RocketMQ project, including a dashboard, the
>> flume-rocketmq module, the storm-rocketmq and more.
>>=20
>> To further this goal, the project currently makes use of GitHub project
>> features as well as a public mailing list via Google Groups.
>>=20
>>=20
>> =3D=3D=3D Core Developers =3D=3D=3D
>>=20
>> RocketMQ is currently being developed by engineers from Alibaba and
>> Yeahmobi: Xiaorui Wang, Von Gosling, Jiangwei Jiang, Xinyu Zhou, Zhanhui
>> Li. Xiaorui Wang, one of Alibaba MOM project owners is also the originato=
r
>> of the RocketMQ project. He has rich experience with open source software=
,
>> as well as being active within the RocketMQ community. Von Gosling, anoth=
er
>> MOM project owner at Alibaba and co-creator of the RocketMQ project, is a=
n
>> active open source software committer and has been an active contributor t=
o
>> several projects in Alibaba, Apache community and Google Code. Von also h=
as
>> deep experience with performance tuning, distributed system design and
>> coding. Xinyu Zhou, Wei Zhou and Jinjixiang, They have rich experience in=

>> distributed system design and performance tuning, especially in message
>> queue, big data, etc. Zhanhui Li, is a developer at Yeahmobi who has a
>> great passion for software engineering, especially in fields of distribut=
ed
>> system design and development. Longda, has been involved with several ope=
n
>> source projects released by Alibaba,especially jstorm project, which has
>> donated to apache.
>>=20
>> =3D=3D=3D Aligment =3D=3D=3D
>>=20
>> The ASF is the natural choice to host the RocketMQ project as its goal of=

>> encouraging community-driven open source projects fits with our vision fo=
r
>> RocketMQ. The ASF is also the home to many other projects with which we a=
re
>> familiar with and hope to integrate with RocketMQ including Apache Storm,=

>> Flume and Hadoop. We believe that there will be mutual benefit by close
>> proximity to these and other projects.
>>=20
>> =3D=3D Known Risks =3D=3D
>>=20
>> =3D=3D=3D Orphaned products =3D=3D=3D
>>=20
>> The core developers currently work full-time on the RocketMQ project for
>> Alibaba. RocketMQ provides a critical internal infrastructure and has bee=
n
>> in production use at Alibaba since 2011, so there is no concern that it
>> will become an orphaned project.
>>=20
>> =3D=3D=3D Inexperience with Open Source =3D=3D=3D
>>=20
>> The core developers are all active contributors, users and followers of
>> open source. They are all already committers and contributors to the
>> RocketMQ Github project and several of them also have experience actively=

>> contributing to open source projects. Though the core set of developers d=
o
>> not have experience at the ASF, there are plans to onboard individuals to=

>> the project who have ASF open source experience.
>>=20
>> =3D=3D=3D Homogenous Developers =3D=3D=3D
>>=20
>> The current core developers are from Alibaba and Yeahmobi but the goal is=

>> to establish a vibrant developer community and we will actively encourage=

>> new contributors.
>>=20
>> =3D=3D=3D Reliance on Salaried Developers =3D=3D=3D
>>=20
>> Currently, the developers are paid to work on RocketMQ for both Alibaba a=
nd
>> Yeahmobi. We look forward to building a strong community around the proje=
ct
>> in order to encourage more contributors to join the project.
>>=20
>> =3D=3D=3D Relationships with Other Apache Products =3D=3D=3D
>> RocketMQ is not currently integrated with any other ASF projects except f=
or
>> several Apache Commons products, such as commons-lang, commons-cli, etc. A=
s
>> a messaging server, it is mainly used to traditional publish/subscribe
>> scenario and demandingly high volume realtime transaction system that
>> tolerates no message loss. It uses java primitive file api and some jni
>> technology to custom-build storage desgin. More details about its storage=
,
>> please see the [[
>> https://github.com/alibaba/RocketMQ/wiki/how-to-support-more-queues|Rocke=
tMQ
>> Storage Design]]) The table below providing some context for simple
>> comparison to some other Apache messaging projects at the ASF such as
>> ActiveMQ and Kafka (apologies for the terrible MoinMoin table formatting,=

>> its syntax is limited. For a much better formatted table, please see the [=
[
>> https://github.com/alibaba/RocketMQ/wiki/motivation|RocketMQ Github page]=
]).
>>=20
>>  ||'''Messaging Product'''||'''Protocol and Specification'''||'''Order
>> Message'''||'''Message Filter'''||'''Server Triggered
>> Redelivery'''||'''Persistent Messaging'''||'''Retroactive
>> Consumers'''||'''Message Priority'''||'''High Availability and
>> Failover'''||'''Message Tracking'''||'''Configuration'''||'''Management a=
nd
>> Operation Tools'''||
>>  || ActiveMQ || Push model, supports OpenWire, Stomp, AMQP, HTTP, JMS, MQ=
TT
>> || Exclusive consumer or exclusive queues will ensure ordering || Support=
ed
>> || Not Supported || Supports very fast persistence using JDBC along with a=

>> high performance journal=A3=ACsuch as LevelDB and KahaDB || Supported ||
>> Supported || Supported, depending on storage, if Kahadb storage a ZooKeep=
er
>> server is required, maybe trigger split brain after rebooting half of a
>> two-node cluster || Not Supported || The default configuration is low
>> level, user need to optimize the configuration ||Supported ||
>>  || Kafka || Pull model, supports TCP || Ensure ordering of messages with=
in
>> a partition || Supported, you can use Kafka Streams to filter messages ||=

>> Not Supported || High performance file storage || Supported offset indica=
te
>> || Not Supported || Supported, requires a ZooKeeper server || Not Support=
ed
>> || Kafka uses key-value pairs format for configuration. These values can b=
e
>> supplied either from a file or programmatically. || Supported, use termin=
al
>> commands to expose core metrics ||
>>  || RocketMQ || Pull model, supports TCP, JMS || Ensure strict ordering o=
f
>> messages, have no hot spot problem and can scale out gracefully ||
>> Supported, you can even upload yourself custom-built filter code snippets=

>> || Supported || High performance and low latency file storage || Supporte=
d
>> timestamp and offset 2 indicates || Not Supported || Supported,Master-Sla=
ve
>> model, without anther kit || Supported || All configurations are off the
>> shelf, user only needs to pay attention to a few configurations ||
>> Supported, rich web and terminal command to expose core metrics ||
>>=20
>> =3D=3D=3D A Excessive Fascination with the Apache Brand =3D=3D=3D
>>=20
>> While we respect the reputation of the Apache brand and have no doubt tha=
t
>> it will attract new contributors and users, our interest is primarily to
>> give RocketMQ a solid home as an open source project following an
>> established development model. More reason are provided in the Rationale
>> and Alignment sections.
>>=20
>> =3D=3D Documentation =3D=3D
>>=20
>> Information about RocketMQ can be found on the Github project wiki [
>> https://github.com/alibaba/RocketMQ]
>>=20
>> =3D=3D Initial Source =3D=3D
>>=20
>> RocketMQ has been under development at Alibaba since 2011. The source cod=
e
>> was opened up in 2012. It is currently hosted on Github using the Apache
>> License ([https://github.com/alibaba/RocketMQ/blob/master/LICENSE]).
>>=20
>> =3D=3D External Dependencies =3D=3D
>>=20
>> RocketMQ depends on some Apache projects:
>>=20
>>  * Commons Lang
>>  * Commons CLI
>>  * Commons Codec
>>  * Maven
>>=20
>> and other open source projects (organized by license):
>>=20
>>  * ALv2:
>>   * JNA
>>   * Netty
>>   * FastJson
>>   * Jackson
>>=20
>>  * MPL
>>   * Javassist
>>=20
>>  * MIT
>>   * Mockito
>>   * SLF4J
>>   * Bridge-method-annotation
>>=20
>>  * EPL 1.0
>>   * JUnit
>>   * Logback
>>=20
>>=20
>> As all dependencies are managed using Apache Maven, none of the
>> external libraries need to be packaged in a source distribution.
>>=20
>> =3D=3D Required Resources =3D=3D
>>=20
>> =3D=3D=3D Mailing lists =3D=3D=3D
>>=20
>>  * rocketmq-private (PMC discussion)
>>  * rocketmq-dev (developer discussion)
>>  * rocketmq-user (user discussion)
>>  * rocketmq-commits (SCM commits)
>>  * rocketmq-issues (JIRA issue feed)
>>=20
>> =3D=3D=3D Subversion Directory =3D=3D=3D
>>=20
>> Git is the preferred source control management system: git://
>> git.apache.org/rocketmq
>> =3D=3D=3D Issue Tracking =3D=3D=3D
>>=20
>> JIRA RocketMQ (RocketMQ)
>>=20
>> =3D=3D=3D Other Resources =3D=3D=3D
>>=20
>> The existing source code already has unit tests so we will make use of
>> existing Apache continuous testing infrastructure. The resulting load
>> should not be very large.
>>=20
>> =3D=3D Initial Committers =3D=3D
>>=20
>>  * Xiaorui Wang <vintage.wang at gmail dot com>
>>  * Von Gosling <fengjia10 at gmail dot com>
>>  * Xinyu Zhou <zhou at xinyu dot im>
>>  * Zhanhui Li <lizhanhui at gmail dot com>
>>  * Wei Zhou <zhouwei198732 at gmail dot com>
>>  * Jinjixiang <canna1989115 at gmail dot com>
>>  * Longda <hustjackie at gmail dot com>
>>=20
>>=20
>> =3D=3D Affiliations =3D=3D
>>=20
>>  * Xiaorui Wang: Alibaba
>>  * Von Gosling: Alibaba
>>  * Xinyu Zhou: Alibaba
>>  * Zhanhui Li: Yeahmobi
>>  * Wei Zhou: Alibaba
>>  * Jinjixiang: Alibaba
>>  * Longda: Alibaba
>>=20
>>=20
>> =3D=3D Sponsors =3D=3D
>>=20
>> =3D=3D=3D Champion =3D=3D=3D
>>=20
>> Bruce Snyder bsnyder@apache.org
>>=20
>> =3D=3D=3D Nominated Mentors =3D=3D=3D
>>=20
>>  * Justin McLean jmclean@apache.org
>>  * Bruce Snyder bsnyder@apache.org
>>  * Brian McCallister brianm@apache.org
>>  * Willem Ning Jiang ningjiang@apache.org
>>  * Luke Han lukehan@apache.org
>>=20
>> =3D=3D=3D Sponsoring Entity =3D=3D=3D
>>=20
>> We are requesting the Incubator to sponsor this project.
>>=20
>>=20
>>=20
>=20
>=20
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