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From "zhangliang@apache.org" <zhangli...@apache.org>
Subject Re: [DISCUSS] Sharding-Sphere incubation proposal
Date Thu, 01 Nov 2018 15:05:43 GMT
Hi, Yongsheng Peng

Welcome, after Sharding-Sphere enter to incubation, we can discuss more
details.

—————————
John (Zhang Liang) from Sharding-Sphere

彭勇升 Peng Yongsheng <8082209@qq.com> 于2018年10月31日周三 下午10:16写道:

> Hi, ZhangLiang:
>         This project looks so interesting, I wana to join.
>
> —————————
> Yongsheng Peng
> Apache SkyWalking PPMC member
>
>
>
> > 在 2018年10月29日,17:27,zhangliang@apache.org 写道:
> >
> > Dear Apache Incubator Community,
> >
> > I would like to start a discussion about the incubation of
> Sharding-Sphere
> > at Apache.
> >
> > Please accept the Sharding-Sphere podling into the Incubator.
> >
> > We have 4 mentors, also we are welcome other volunteers to mentor us.
> >
> > The proposal can be found at
> > https://wiki.apache.org/incubator/ShardingSphereProposal . Here is the
> text
> > of it:
> >
> >
> > = Abstract =
> > Sharding-Sphere is an ecosystem of transparent distributed database
> > middleware, focusing on data sharding, distributed transaction and
> database
> > orchestration. It provides maximum compatibility for applications through
> > Sharding-JDBC (a driver to implement JDBC) or Sharding-Proxy (a proxy to
> > implement database protocol).
> >
> > = Proposal =
> > With a large number of end users, Sharding-Sphere has a fairly huge
> > community in China. It is also widely adopted by many [[
> > http://shardingsphere.io/community/en/company/|companies and
> > organizations]] as a solution to process their massive amounts of data.
> >
> > We believe that bringing Sharding-Sphere into Apache Software Foundation
> > could advance development of a stronger and more diverse open source
> > community.
> >
> > Dangdang submits this proposal to donate Sharding-Sphere's source codes
> and
> > all related documentations to Apache Software Foundation. The codes are
> > already under Apache License Version 2.0.
> >
> >  * Code base: https://github.com/sharding-sphere/sharding-sphere
> >
> >  * Web site: http://shardingsphere.io/
> >
> >  * Documentations: http://shardingsphere.io/document/current/
> >
> >  * Community: http://shardingsphere.io/community/
> >
> > = Background =
> >
> > Relational database hardly supports such huge amounts of data any more
> > which has increased rapidly in recent years, but for reason of technique
> > maturity, developers and DBAs still want to use it to persist core data.
> >
> > Sharding-Sphere was open sourced on Github in 2016. At the very
> beginning,
> > Sharding-Sphere is just a JDBC driver for data sharding (name as
> > Sharding-JDBC) at Dangdang internal framework; now it offers data
> sharding,
> > distributed transaction and database orchestration. Besides JDBC, proxy
> to
> > implement MySQL database protocol is also supported at present.
> > Furthermore, our roadmap includes Proxy for PostgreSQL protocol, Sidecar
> > model, data repica and elastic data scalability function as well.
> >
> > Due to the extension of project, we provide proxy model and sidecar model
> > in addition to JDBC model. Therefore, we rename it to Sharding-Sphere by
> [[
> > https://github.com/sharding-sphere/sharding-sphere/issues/788|a public
> > vote]], which refers to a sharding ecosphere with Sharding-JDBC,
> > Sharding-Proxy and Sharding Sidecar as its three sub-projects.
> >
> > Sharding-JDBC has won the [[
> http://www.oschina.net/project/top_cn_2016|TOP
> > 20 most popular open source projects in China 2016]].
> >
> > = Rationale =
> >
> > Relational database still plays a very important role on current
> > application system. The maturity of products and surrounding ecosystem,
> the
> > friendliness of its data query and developers' and DBAs' mastery of it,
> > cannot be completely replaced with other types of database in the near
> > future. However, current relational database cannot support cloud native
> > very well and it is not friendly to distributed system.
> >
> > It is the ultimate goal of Sharding-Sphere, which manages the databases
> > scattering around the system, to make user use distributed databases as
> > simply as using a single one.
> >
> > Without extra cost, Sharding-JDBC directly connects database with Java
> > application to get the best performance.
> >
> > Sharding-Proxy is deployed as a stateless server and supports MySQL
> > protocol at present. In the paper [[
> > https://db.cs.cmu.edu/papers/2016/pavlo-newsql-sigmodrec2016.pdf|What’s
> > Really New with NewSQL?]], three types of NewSQL are introduced, among
> > which Sharding-Proxy is a Transparent Sharding Middleware.
> >
> > Sharding-Sidecar can be understood as a data panel in Service Mesh. The
> > interaction between the application and the database provides a mesh
> layer.
> > The concept of Database Mesh is similar to Service Mesh, and it focuses
> on
> > how to connect data access applications to the database. Database Mesh
> will
> > set up a huge grid system between applications and databases.
> Applications
> > and databases need be placed in the grid system. They are all objects
> > managed by the meshing layer.
> >
> > = Current Status =
> > == Meritocracy ==
> > Sharding-Sphere was incubated at Dangdang in 2015 and open sourced on
> > GitHub in 2016. In 2017, JingDong recognized its value and determined to
> > sponsor this project. Sharding-Sphere has contributors and users from
> many
> > companies; we have set up the PMC Team and Committer Team. New
> contributors
> > are guided and reviewed by existed PMC members. When they are ready, PMC
> > will start a vote to promote him/her to become a member of PMC or
> Committer
> > Team. See the details See the details [[
> > http://shardingsphere.io/community/en/organization/|here]].
> Contributions
> > are always welcomed and highly valued.
> >
> > == Community ==
> > Now we have set development teams for Sharding-Sphere respectively in
> > JingDong, Dangdang and Bestpay. Companies like Sohu and Dataman have
> shown
> > great interest in Sharding-Sphere. We hope to grow the base of
> contributors
> > by inviting all those who offer contributions through The Apache Way.
> Right
> > now, we make use of github as code hosting as well as gitter for
> community
> > communication.
> >
> > == Core Developers ==
> > The core developers, including experienced open source developers and
> team
> > leaders, have formed a group full of diversity.
> >
> > = Known Risks =
> > == Orphaned products ==
> > Three development teams from JingDong, Dangdang and CHINA TELECOM Bestpay
> > will spare no pains to work on Sharding-Sphere in the future with
> > contributors from the growing community. Also, Sharding-Sphere is widely
> > adopted in China by many [[
> > http://shardingsphere.io/community/en/company/|companies and
> > organizations]]. Thus, it is very unlikely that Sharding-Sphere becomes
> > orphaned.
> >
> > == Inexperience with Open Source ==
> >
> > The current core developers all work for companies that have developed or
> > contributed to many open source projects.
> >
> >  * Liang Zhang, PMC. He is the lead of two open source projects,
> > Sharding-Sphere and Elastic-Job. Also Committer of Apache Dubbo
> (Incubator).
> >
> >  * Sheng Wu, PMC. He is the PPMC and committer of Apache
> > SkyWalking(Incubating), Apache Zipkin(Incubating) contributor, CNCF
> > OpenTracing member. Also contributed a lot other open source projects.
> >
> >  * Hongtao Gao, PMC. He is the PPMC and committer of Apache
> > SkyWalking(Incubating) too. Also contribute a lot of features of
> > Elastic-Job.
> >
> > Therefore, we believe we have enough experience to deal with open source.
> >
> > == Homogenous Developers ==
> > The current core developers work across a variety of organizations
> > including Jingdong, Dangdang and CHINA TELECOM Bestpay; some individual
> > developers are accepted as core developers of Sharding-Sphere as well.
> > Considering that Sohu and Dataman have shown great interest in
> > Sharding-Sphere, we plan to encourage them to contribute and invite them
> as
> > contributors to work together.
> >
> > == Reliance on Salaried Developers ==
> > At present, three of the core developers are paid by their employer to
> > contribute to Sharding-Sphere project. It is estimated that the
> development
> > of Sharding-Sphere will be continued with mainly salaried developers, and
> > we will make efforts to attract more volunteers and grow the community.
> >
> > == Relationships with Other Apache Products ==
> >
> > An automatic prober of Sharding-Sphere is introduced into SkyWalking to
> > send APM data, and SkyWalking also use Sharding-Sphere to persit tracing
> > data. Saga provided by ServiceComb is adopted by Sharding-Sphere as one
> of
> > the distributed transaction processing engines. Sharding-Sphere
> integrates
> > Apache Zookeeper as one of the service registration/discovery mechanisms.
> >
> > == A Excessive Fascination with the Apache Brand ==
> > We acknowledge the value and reputation that the Apache brand would bring
> > to Sharding-Sphere. However, our primary interest is in the excellent
> > community provided by Apache Software Foundation, in which all the
> projects
> > could gain stability for long-term development.
> >
> > = Documentation =
> > A complete set of Sharding-Sphere documentations is provided on
> > shardingsphere.io in both English and Simplified Chinese.
> >
> >  * [[http://shardingsphere.io/document/current/en/overview/|English]]
> >  * [[http://shardingsphere.io/document/current/cn/overview/|Chinese]]
> >
> > = Initial Source =
> > The project consists of three distinct codebases: core, example and
> > document. The address of three existed git repositories are as follows:
> >
> >  * https://github.com/sharding-sphere/sharding-sphere
> >  * https://github.com/sharding-sphere/sharding-sphere-example
> >  * https://github.com/sharding-sphere/sharding-sphere-doc
> >
> > = Source and Intellectual Property Submission Plan =
> > The codes are currently under Apache License Version 2.0 and have been
> > verified to have no intellectual property or license issues before being
> > released to open source by Dangdang in 2016. Dangdang will provide SGA
> and
> > all committers will sign ICLA after Sharding-Sphere is accepted into the
> > Incubator.
> >
> > = External Dependencies =
> >
> > As all dependencies are managed using Apache Maven, none of the external
> > libraries need to be packaged in a source distribution. All dependencies
> > have Apache compatible licenses except MySQL (GPL-2.0).
> >
> > We will remove MySQL dependencies in future. MySQL JDBC driver is adopted
> > by Sharding-Proxy to connect MySQL now; We will use SPI to load JDBC
> > driver, so MySQL JDBC driver is no longer provided on Sharding-Sphere.
> >
> >  * Guava Apache-2.0
> >  * Guava Retrying Apache-2.0
> >  * commons-codec Apache-2.0
> >  * commons-pool Apache-2.0
> >  * commons-dbcp Apache-2.0
> >  * netty Apache-2.0
> >  * curator Apache-2.0
> >  * grpc Apache-2.0
> >  * protobuf BSD 3-clause
> >  * lombok MIT
> >  * groovy Apache-2.0
> >  * snakeyaml Apache-2.0
> >  * spring-context-support Apache-2.0
> >  * spring-context-test Apache-2.0
> >  * spring-boot-starter Apache-2.0
> >  * spring-boot-configuration-processor Apache-2.0
> >  * spring-boot-starter-test Apache-2.0
> >  * slf4j MIT
> >  * logback EPL-1.0
> >  * junit EPL-1.0
> >  * hamcrest BSD 3-clause
> >  * mockito MIT
> >  * h2 MPL-2.0/EPL-1.0
> >  * mysql GPL-2.0 Will remove before first apache release, use SPI instead
> > of it
> >  * postgresql BSD
> >  * mssql-jdbc MIT
> >  * HikariCP Apache-2.0
> >  * ANTLR BSD
> >  * OpenTracing BSD
> >
> > = Required Resources =
> > == Git Repositories ==
> >  * https://github.com/sharding-sphere/sharding-sphere.git
> >  * https://github.com/sharding-sphere/sharding-sphere-example.git
> >  * https://github.com/sharding-sphere/sharding-sphere-doc.git
> >
> >
> > == Issue Tracking ==
> >
> > The community would like to continue using GitHub Issues.
> >
> > == Continuous Integration tool ==
> > Travis
> >
> > == Mailing Lists ==
> >  * Sharding-Sphere-dev: for development discussions
> >  * Sharding-Sphere-private: for PPMC discussions
> >  * Sharding-Sphere-notifications: for users notifications, and
> > notifications from GitHub
> >
> > == Initial Committers ==
> >  * 张亮, Liang Zhang, zhangliang@apache.org
> >  * 曹昊, Hao Cao,
> >  * 吴晟, Sheng Wu, wusheng@apache.org
> >  * 高洪涛, Hongtao Gao, hanahmily@apache.org
> >  * 张永伦, Yonglun Zhang
> >  * 潘娟, Juan Pan
> >  * 赵俊, Jun Zhao
> >  * 岳令, Ling Yue
> >  * 马晓光, Xiaoguang Ma
> >  * 陈清阳, QingYang Chen
> >
> > == Affiliations ==
> >  * JD: Liang Zhang, Yonglun Zhang, Juan Pan, Jun Zhao
> >  * Dangdang: Hao Cao, Ling Yue
> >  * CHINA TELECOM Bestpay: QingYang Chen
> >  * Individuals: Sheng Wu, Hongtao Gao, Xiaoguang Ma
> >
> > = Sponsors =
> > == Champion ==
> >  * Roman Shaposhnik (rvs at apache dot org)
> >
> > == Mentors ==
> >  * Craig L Russell (clr at apache dot org)
> >  * Benjamin Hindman (benh at apache dot org)
> >  * Willem Ning Jiang (ningjiang at apache dot org)
> >
> > == Sponsoring Entity ==
> > We are expecting the Apache Incubator could sponsor this project.
> >
> >
> > Best Regards,
> > John(Zhang Liang) from Sharding-Sphere
>
>

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