The vote has been passed with 10 binding +1s: * Seetharam Venkatesh * Hyunsik Choi * Rob Vesse * Sergio Fernández * Henry Saputra * Andrew Purtell * Stack * Julien Le Dem * Jakob Homan * Edward J. Yoon
There were 5 non-binding +1: * Luke Han * Hongbin Ma * Moon Soo Lee * Byoung-Gon Chun * Alexander Bezzubov Also, there was no -1. Best regards, Hyunsik On Tue, Nov 24, 2015 at 1:57 PM, Edward J. Yoon <edwardy...@apache.org> wrote: > +1 (binding) > > Good luck. > > On Wed, Nov 25, 2015 at 4:33 AM, Jakob Homan <jgho...@gmail.com> wrote: >> +1 (binding) >> >> On 24 November 2015 at 09:55, Julien Le Dem <jul...@dremio.com> wrote: >>> +1 (binding) >>> >>> On Tue, Nov 24, 2015 at 9:48 AM, Stack <st...@duboce.net> wrote: >>> >>>> +1 (binding) >>>> >>>> On Mon, Nov 23, 2015 at 4:53 PM, Hyunsik Choi <hyun...@apache.org> wrote: >>>> >>>> > Hello folks, >>>> > >>>> > Thanks for all the feedback on the S2Graph Proposal. >>>> > >>>> > I would like to call for a [VOTE] on S2Graph joining the ASF as an >>>> > incubation project. >>>> > >>>> > The vote is open for at least 72 hours: >>>> > >>>> > [ ] +1 accept S2Graph in the Incubator >>>> > [ ] ±0 >>>> > [ ] -1 (please give reason) >>>> > >>>> > S2Graph provides a scalable distributed graph database engine over a >>>> > key/value store such as HBase. S2Graph provides a fully asynchronous >>>> > API to manipulate data as a property graph model and fast >>>> > breadth-first-search queries over the graph. S2Graph is designed for >>>> > OLTP-like workloads on graph data sets instead of batch processing, >>>> > and it also provides INSERT/UPDATE operations on them. >>>> > >>>> > The proposal is available on the wiki here: >>>> > https://wiki.apache.org/incubator/S2GraphProposal >>>> > >>>> > Best regards, >>>> > Hyunsik >>>> > >>>> > >>>> > <COPY of the proposal wiki> >>>> > >>>> > >>>> ------------------------------------------------------------------------------------------------ >>>> > = S2Graph Proposal = >>>> > >>>> > == Abstract == >>>> > S2Graph is a distributed and scalable OLTP graph database built on >>>> > Apache HBase to support fast traversal of extremely large graphs. >>>> > >>>> > == Proposal == >>>> > S2Graph provides a scalable distributed graph database engine over a >>>> > key/value store such as HBase. S2Graph provides a fully asynchronous >>>> > API to manipulate data as a property graph model and fast >>>> > breadth-first-search queries over the graph. S2Graph is designed for >>>> > OLTP-like workloads on graph data sets instead of batch processing. >>>> > Also, S2Graph provides INSERT/UPDATE operations. Its name 'S2Graph' is >>>> > an abbreviated word of '''S'''uper '''S'''imple '''Graph''' Database. >>>> > >>>> > Here are additional materials to introduce S2Graph. >>>> > * HBaseCon 2015 - >>>> http://www.slideshare.net/HBaseCon/use-cases-session-5 >>>> > * Apache: Big Data 2015 - >>>> > http://schd.ws/hosted_files/apachebigdata2015/06/s2graph_apache_con.pdf >>>> > >>>> > == Background == >>>> > S2Graph initially started as an internal project at Kakao.com to >>>> > efficiently store user relations and user activities as one large >>>> > graph and to provide a unified query interface to traverse the graph. >>>> > It was open sourced on Github about a 3 months ago in June 2015. >>>> > >>>> > Over time, S2Graph using HBase as the storage tier has begun by >>>> > adapted into various applications, such as messaging, social feeds, >>>> > and realtime recommendations at Kakao. >>>> > >>>> > Users can benefit by using S2Graph`s generalized high level graph >>>> > abstraction API instead of querying via low-level key/value APIs, just >>>> > as Apache Phoenix provides a SQL layer over HBase. >>>> > >>>> > == Rationale == >>>> > Graph data (highly interconnected data) is very abundant and important >>>> > these days. When users have a multitude of relationships, each with >>>> > complex properties associated with them, a graph model is more >>>> > intuitive and efficient than tabular formats (RDBMS). >>>> > >>>> > There are many ASF projects that provide SQL tiers, but there is no >>>> > ASF projects that provide a scalable graph layer on top of the >>>> > existing hadoop ecosystem. When graph data grows to the trillion edge >>>> > scale, the process of traversing takes a long time and can be costly. >>>> > However, with the benefit of HBase`s scalable architecture, S2Graph >>>> > can traverse large graphs in a breadth-first-search manner >>>> > efficiently. >>>> > >>>> > S2Graph also interoperates with several existing Apache projects >>>> > (HBase, Apache Spark) to provide means of merging real time events and >>>> > batch processed data using the property graph data model. >>>> > >>>> > Many developers run their own domain specific API servers to serve >>>> > their data products, but a graph model is general and the S2Graph API >>>> > fully supports traversal of the graph, so it can be used as a scalable >>>> > general purpose API serving layer for various domains. As long as data >>>> > can be modeled as graph, then users can avoid tedious work developing >>>> > customized API servers if they use S2Graph. >>>> > >>>> > == Initial Goals == >>>> > The initial goals will be to move the existing codebase to Apache and >>>> > integrate with the Apache development process. Once this is >>>> > accomplished, we plan for incremental development and releases that >>>> > follow the Apache guidelines. >>>> > >>>> > == Current Status == >>>> > >>>> > === Meritocracy === >>>> > S2Graph operated on meritocratic principles from the get go. >>>> > Currently, all the discussions pertaining to S2Graph development are >>>> > public on Github. The current incubation proposal includes the major >>>> > code contributors to S2Graph. Several additional people have worked on >>>> > the S2graph codebase for industry use cases and would be interested in >>>> > becoming committers. We are starting with a small committer group and >>>> > we plan to add additional committers following an open merit-based >>>> > decision process during the incubation phase. >>>> > >>>> > === Community === >>>> > We have already begun building a community but at this time the >>>> > community consists only of S2Graph developers – all Kakao employees – >>>> > and prospective users. S2Graph seeks to develop developer and user >>>> > communities during incubation. >>>> > >>>> > === Core Developers === >>>> > S2Graph is currently being designed and developed by 2 engineers from >>>> > Kakao. - Doyung Yoon, Deawon Jeong. >>>> > >>>> > === Alignment === >>>> > Our proposed S2Graph effort aligns closely with Apache HBase. The >>>> > HBase project perimeter is denoted by a simple byte-array based >>>> > Create, Read, Update, Delete and Scan API with no current plans to >>>> > extend beyond these bounds. >>>> > >>>> > S2Graph complements this with a higher level API for a property graph >>>> > model. >>>> > >>>> > S2Graph was designed to offer a scalable distributed graph database >>>> > skin over HBase from the beginning in order to provide a property >>>> > graph model and breadth first search, and will continue to focus on >>>> > providing the graph model. >>>> > >>>> > == Known Risks == >>>> > === Orphaned Products === >>>> > The core developers of S2Graph team plan to work full time on this >>>> > project. There is very little risk of S2Graph getting orphaned since >>>> > at least one large company (Kakao) is extensively using it in their >>>> > production HBase clusters. For example, currently there are 20+ use >>>> > cases with more than 1+Trillion edges and 140 million breadth first >>>> > search query requests per minute using S2Graph in production. We plan >>>> > to extend and diversify this community further through Apache. >>>> > >>>> > === Inexperience with Open Source === >>>> > The core developers are all active users and followers of open source. >>>> > They are already committers and contributors to the S2Graph Github >>>> > project. All have been involved with the source code that has been >>>> > released under an open source license. Though the core set of >>>> > Developers do not have Apache Open Source experience, there are plans >>>> > to onboard individuals with Apache open source experience to the >>>> > project. >>>> > >>>> > === Homogenous Developers === >>>> > Most committers in this proposal belong to the same institution >>>> > (Kakao). The engagement of these committers goes well beyond the >>>> > necessary development to support research, and all committers work on >>>> > S2Graph full time. Several people from other institutions are working >>>> > on and are familiar with the S2Graph codebase. We will work to attract >>>> > them as future committers during the incubation phase, following a >>>> > merit-based approach. >>>> > >>>> > === Reliance on Salaried Developers === >>>> > Kakao invested in S2Graph as the distributed graph database solution >>>> > on top of HBase and some of its key engineers are working full time on >>>> > the project. We look forward to other Apache developers and >>>> > researchers contributing to the project. Also key to addressing the >>>> > risk associated with relying on Salaried developers from a single >>>> > entity is to increase the diversity of the contributors and actively >>>> > lobby for Domain experts in the graph database space to contribute. >>>> > Apache S2Graph intends to do this. >>>> > >>>> > === Relationships with Other Apache Products === >>>> > S2Graph has a strong relationship and dependency with Apache HBase and >>>> > Apache Spark. Being part of Apache’s Incubation community, could help >>>> > with a closer collaboration among these two projects and as well as >>>> > others. >>>> > >>>> > In terms of graph processing frameworks, S2Graph and Apache Giraph >>>> > look similar. However, their goals are apparently different to each >>>> > other. Giraph aims at analytical batch processing on immutable graph >>>> > data sets. In contrast, S2Graph is designed for OLTP-like workloads on >>>> > graph data sets, and S2Graph provides INSERT/UPDATE operations too. >>>> > >>>> > >>>> > === An Excessive Fascination with the Apache Brand === >>>> > S2Graph is proposing to enter incubation at Apache in order to help >>>> > efforts to diversify the committer-base, not so much to capitalize on >>>> > the Apache brand. The S2Graph project is in production use already >>>> > inside Kakao, but is not expected to be a Kakao product for external >>>> > customers. As such, the S2Graph project is not seeking to use the >>>> > Apache brand as a marketing tool. >>>> > >>>> > == Documentation == >>>> > Information about S2Graph can be found at >>>> > https://github.com/kakao/s2graph. The following links provide more >>>> > information about S2Graph in open source: >>>> > * S2Graph web site: https://steamshon.gitbooks.io/s2graph-book/content/ >>>> > * Codebase at Github: https://github.com/kakao/s2graph >>>> > * Issue Tracking: https://github.com/kakao/s2graph/issues >>>> > * User community: https://groups.google.com/forum/#!forum/s2graph >>>> > >>>> > == Initial Source == >>>> > >>>> > The S2Graph codebase is currently hosted on Github: >>>> > https://github.com/kakao/s2graph. >>>> > >>>> > === Source and Intellectual Property Submission Plan === >>>> > >>>> > Currently, the S2Graph codebase is distributed under the Apache 2.0 >>>> > License. >>>> > >>>> > == External Dependencies == >>>> > >>>> > Beyond relying on Apache HBase, S2Graph has the following external >>>> > dependencies: >>>> > * Asynchbase (BSD) >>>> > * Play Framework (Apache 2.0 license) >>>> > * Scala (http://www.scala-lang.org/license.html) >>>> > * Spark (Apache 2.0 license) >>>> > * Kafka (Apache 2.0 license) >>>> > >>>> > == Required Resources == >>>> > >>>> > === Mailing list === >>>> > >>>> > We will migrate our mailing lists to the following: >>>> > * us...@s2graph.incubator.apache.org >>>> > * d...@s2graph.incubator.apache.org >>>> > * priv...@s2graph.incubator.apache.org >>>> > * comm...@s2graph.incubator.apache.org >>>> > >>>> > === Source control === >>>> > >>>> > The S2Graph team would like to use Git for source code control, due to >>>> > our current use of Git. We request a writeable Git repo for S2Graph, >>>> > and mirroring to be set up to Github through INFRA. >>>> > >>>> > === Issue Tracking === >>>> > >>>> > S2Graph currently uses the github issue tracking system associated >>>> > with its github repo (https://github.com/kakao/s2graph/issues). We >>>> > will migrate to the Apache JIRA >>>> > (http://issues.apache.org/jira/browse/S2Graph). >>>> > >>>> > === Other Resources === >>>> > >>>> > * Jenkins/Hudson for builds and test running. >>>> > * Wiki for documentation purposes. >>>> > * Blog to improve project dissemination. >>>> > >>>> > == Initial Committers == >>>> > >>>> > * Doyung Yoon <shom83 at gmail dot com> >>>> > * Daewon Jeong <blueiur at gmail dot com> >>>> > * Jaesang Kim <honeysleep at gmail dot com> >>>> > * Hwansung Yu <deejayfwan at gmail dot com> >>>> > * Min-Seok Kim <mskim.org at gmail dot com> >>>> > * Chul Kang <miralchul at gmail dot com> >>>> > * Luke Han <lukehan at apache dot org> >>>> > * Alexander Bezzubov <bzz at apache dot org> >>>> > >>>> > == Affiliations == >>>> > >>>> > * Doyung Yoon, Kakao >>>> > * Daewon Jeong, Kakao >>>> > * Jaesang Kim, Kakao >>>> > * Hwansung Yu, Kakao >>>> > * Min-Seok Kim, Kakao >>>> > * Chul Kang, Kakao, >>>> > * Luke Han, Ebay Inc. >>>> > * Alexander Bezzubov, NFLabs >>>> > >>>> > == Sponsors == >>>> > >>>> > === Champion === >>>> > Hyunsik Choi >>>> > >>>> > === Nominated Mentors === >>>> > * Andrew Purtell - Apache Member, Salesforce >>>> > * Sergio Fernández - Apache Member, Redlink >>>> > * Hyunsik Choi - Apache Member, Gruter Inc. >>>> > * Seetharam Venkatesh - IPMC, Hortonworks Inc. >>>> > >>>> > === Sponsoring Entity === >>>> > >>>> > * The Apache Incubator >>>> > >>>> > --------------------------------------------------------------------- >>>> > To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org >>>> > For additional commands, e-mail: general-h...@incubator.apache.org >>>> > >>>> > >>>> >>> >>> >>> >>> -- >>> Julien >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org >> For additional commands, e-mail: general-h...@incubator.apache.org >> > > > > -- > Best Regards, Edward J. Yoon > > --------------------------------------------------------------------- > To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org > For additional commands, e-mail: general-h...@incubator.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org For additional commands, e-mail: general-h...@incubator.apache.org
