+1 On 2018/02/22 19:03:55, Julian Hyde wrote: > Hi all,> > > After some discussion on the Druid proposal[1], I'd like to> > start a vote on accepting Druid into the Apache Incubator,> > per the ASF policy[2] and voting rules[3].> > > A vote for accepting a new Apache Incubator podling is a> > majority vote for which only Incubator PMC member votes are> > binding. Votes from other people are also welcome as an> > indication of people's enthusiasm (or lack thereof).> > > Please do not use this VOTE thread for discussions. If> > needed, start a new thread instead.> > > This vote will run for at least 72 hours. Please VOTE as> > follows:> > [ ] +1 Accept Druid into the Apache Incubator> > [ ] +0 Abstain> > [ ] -1 Do not accept Druid into the Apache Incubator> > because ...> > > The proposal is listed below, but you can also access it on> > the wiki[4].> > > Julian> > > [1] > https://lists.apache.org/thread.html/b95f90a30b6e8587e9b108f368b07c1b3e23e25ca592448d9c9f81e2@%3Cgeneral.incubator.apache.org%3E> > > > [2] > https://incubator.apache.org/policy/incubation.html#approval_of_proposal_by_sponsor> > > > [3] http://www.apache.org/foundation/voting.html> > > [4] https://wiki.apache.org/incubator/DruidProposal> > > > > > > = Druid Proposal => > > == Abstract ==> > > Druid is a high-performance, column-oriented, distributed> > data store.> > > == Proposal ==> > > Druid is an open source data store designed for real-time> > exploratory analytics on large data sets. Druid's key> > features are a column-oriented storage layout, a distributed> > shared-nothing architecture, and ability to generate and> > leverage indexing and caching structures. Druid is typically> > deployed in clusters of tens to hundreds of nodes, and has> > the ability to load data from Apache Kafka and Apache> > Hadoop, among other data sources. Druid offers two query> > languages: a SQL dialect (powered by Apache Calcite) and a> > JSON-over-HTTP API.> > > Druid was originally developed to power a slice-and-dice> > analytical UI built on top of large event streams. The> > original use case for Druid targeted ingest rates of> > millions of records/sec, retention of over a year of data,> > and query latencies of sub-second to a few seconds. Many> > people can benefit from such capability, and many already> > have (see http://druid.io/druid-powered.html). In addition,> > new use cases have emerged since Druid's original> > development, such as OLAP acceleration of data warehouse> > tables and more highly concurrent applications operating> > with relatively narrower queries.> > > == Background ==> > > Druid is a data store designed for fast analytics. It would> > typically be used in lieu of more general purpose query> > systems like Hadoop MapReduce or Spark when query latency is> > of the utmost importance. Druid is often used as a data> > store for powering GUI analytical applications.> > > The buzzwordy description of Druid is a high-performance,> > column-oriented, distributed data store. What we mean by> > this is:> > > * "high performance": Druid aims to provide low query> > latency and high ingest rates possible.> > * "column-oriented": Druid stores data in a column-oriented> > format, like most other systems designed for analytics. It> > can also store indexes along with the columns.> > * "distributed": Druid is deployed in clusters, typically of> > tens to hundreds of nodes.> > * "data store": Druid loads your data and stores a copy of> > it on the cluster's local disks (and may cache it in> > memory). It doesn't query your data from some other> > storage system.> > > == Rationale ==> > > Druid is a mature, active project with a large number of> > production installations, dozens of contributors to each> > release, and multiple vendors offering professional> > support. Given Druid's strong community, its close> > integration with many other Apache projects (such as Kafka,> > Hadoop, and Calcite), and its pre-existing Apache-inspired> > governance structure, we feel that Apache is the best home> > for the project on a long-term basis.> > > == Current Status ==> > > === Meritocracy ===> > > Since Druid was first open sourced the original developers> > have solicited contributions from others, including through> > our blog, the project mailing lists, and through accepting> > GitHub pull requests. We have an Apache-inspired governance> > structure with a PMC and committers, and our committer ranks> > include a good number of people from outside the original> > development team.> > > === Community ===> > > The Druid core developers have sought to nurture a community> > throughout the life of the project. We use GitHub as the> > focal point for bug reports and code contributions, and the> > mailing lists for most other discussion. To try to make> > people feel welcome, we've also spelled this out on a> > "CONTRIBUTE" link from the project page:> > http://druid.io/community/. Today we have an active> > contributor base (a typical release has ~40 contributors)> > and mailing list.> > > === Core Developers ===> > > Druid enjoys good diversity of committer affiliation. The> > most active developers over the past year are affiliated> > with four different companies: Imply, Metamarkets, Yahoo,> > and Hortonworks. Many Druid committers are also committers> > on other ASF projects as well, including Apache Airflow,> > Apache Curator, and Apache Calcite. The original developers> > of Druid remain involved in the project.> > > === Alignment ===> > > Druid's current governance structure is Apache-inspired with> > a PMC and committers chosen by a meritocratic> > process. Additionally, Druid integrates with a number of> > other Apache projects, including Kafka, Hadoop, Hive,> > Calcite, Superset (incubating), Spark, Curator, and> > ZooKeeper.> > > == Known Risks ==> > > === Orphaned products ===> > > The risk of Druid becoming orphaned is low, due to a diverse> > committer base that is invested in the future of the> > project.> > > === Inexperience with Open Source ===> > > Druid's core developers have been running it as a> > community-oriented open source project for some time now,> > and many of them are committers on other open source> > projects as well, including Apache Airflow, Apache Curator,> > and Apache Calcite.> > > === Homogenous Developers ===> > > Druid's current diversity of committer affiliation means> > that we have become accustomed to working collaboratively> > and in the open. We hope that a transition to the ASF helps> > Druid's contributor base become even more diverse.> > > === Reliance on Salaried Developers ===> > > Druid's user base and contributor base skews heavily towards> > salaried developers. We believe this is natural since Druid> > is a technology designed to be deployed on large clusters,> > and due to this, tends to be deployed by organizations> > rather than by individuals. Nevertheless, many current Druid> > developers have continued working on the project even> > through job changes, which we take to be a good sign of> > developer commitment and personal interest.> > > === Relationships with Other Apache Products ===> > > Druid integrates with a number of other Apache> > projects. Druid internally uses Calcite for SQL planning,> > and Curator and ZooKeeper for coordination. Druid can read> > data in Avro or Parquet format. Druid can load data from> > streams in Kafka or from files in Hadoop. Druid integrates> > with Hive as an option for SQL query acceleration. Druid> > data can be visualized by Superset (incubating).> > > === A Excessive Fascination with the Apache Brand ===> > > Druid is a successful project with a diverse community. The> > main reason for pursuing incubation is to find a stable,> > long term home for the project with a well known governance> > philosophy.> > > == Required Resources ==> > > === Mailing lists ===> > > We would like to migrate the existing Druid mailing lists> > from Google Groups to Apache.> > > * druid-user@googlegroups -> us...@druid.incubator.apache.org> > * druid-development@googlegroups -> d...@druid.incubator.apache.org> > > === Source control ===> > > Druid development currently takes place on GitHub. We would> > like to continue using GitHub, if possible, in order to> > preserve the workflows the community has developed around> > GitHub pull requests.> > > === Issue tracking ===> > > Druid currently uses GitHub issues for issue tracking. We> > would like to migrate to Apache JIRA at> > http://issues.apache.org/jira/browse/DRUID.> > > == Documentation ==> > > Druid's documentation can be found at> > http://druid.io/docs/latest/.> > > == Initial Source ==> > > Druid was initially open-sourced by Metamarkets in 2012 and> > has been run in a community-governed fashion since then. The> > code is currently hosted at https://github.com/druid-io/ and> > includes the following repositories:> > > * druid (primary repository)> > * druid-console (web console for Druid)> > * druid-io.github.io (source for Druid's website at> > http://druid.io/)> > * tranquility (realtime stream push client for Druid)> > * docker-druid (Docker image for Druid)> > * pydruid (Python library)> > * RDruid (R library)> > * oss-parent (Maven POM files)> > > == Source and Intellectual Property Submission Plan ==> > > A complete set of the open source code needs to be licensed> > from the owning organization to the Foundation. Commercial> > legal counsel for the owning organization will review the> > standard Foundation licensing paperwork and propose any> > updates as needed. This license will enable Apache to> > incubate and manage the Druid project moving forward.> > > Other Druid paraphernalia to be transferred to Apache> > consists of:> > > * GitHub organization at https://github.com/druid-io/> > * Twitter account at https://twitter.com/druidio> > * "druid.io" domain name> > * "Druid" trademark assignment per Foundation standard> > paper. The trademark assignment paperwork shall be> > reviewed by the owning organization's commercial and IP> > counsel> > * CLAs - all rights in the code licensed above should> > encompass the CLAs that existed between developers and> > owning organization> > > A copyright license to the code, trademark assignment of> > Druid, and transfer of other paraphernalia to Apache should> > be sufficient to cover all rights required by Apache to> > operate the project.> > > == External Dependencies ==> > > External dependencies distributed with Druid currently all> > have one of the following Category A or B licenses: ASL,> > BSD, CDDL, EPL, MIT, MPL; with one exception: the optional> > Druid MySQL metadata store extension depends on MySQL> > Connector/J, which is GPL licensed. Druid currently packages> > this as a separate download; see our current presentation> > on: http://druid.io/downloads.html. As part of incubation we> > intend to determine the best strategy for handling the MySQL> > extension.> > > == Cryptography ==> > > Not applicable.> > > == Initial Committers ==> > > The initial committers for incubation are the current set of> > committers on Druid who have expressed interest in being> > involved in Apache incubation. Affiliations are listed> > where relevant. We may seek to add other committers during> > incubation; for example, we would want to add any current> > Druid committers who express an interest after incubation> > begins.> > > * Charles Allen (char...@allen-net.com) (Snap)> > * David Lim (david.clarence....@gmail.com) (Imply)> > * Eric Tschetter (ched...@apache.org) (Splunk)> > * Fangjin Yang (f...@imply.io) (Imply)> > * Gian Merlino (g...@apache.org) (Imply)> > * Himanshu Gupta (g.himan...@gmail.com) (Oath)> > * Jihoon Son (jihoon...@apache.org) (Imply)> > * Jonathan Wei (jon....@imply.io) (Imply)> > * Maxime Beauchemin (maximebeauche...@gmail.com) (Lyft)> > * Mohamed Slim Bouguerra (slim.bougue...@gmail.com) (Hortonworks)> > * Nishant Bangarwa (nish...@apache.org) (Hortonworks)> > * Parag Jain (paragjai...@gmail.com) (Oath)> > * Roman Leventov (leventov...@gmail.com) (Metamarkets)> > * Xavier Léauté (xav...@leaute.com) (Confluent)> > > == Sponsors ==> > > * Champion: Julian Hyde> > * Nominated mentors: Julian Hyde, P. Taylor Goetz, Jun Rao> > * Sponsoring entity: Apache Incubator> > > ---------------------------------------------------------------------> > To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org> > For additional commands, e-mail: general-h...@incubator.apache.org> > >
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