+1 > On Dec 1, 2015, at 2:08 AM, Luciano Resende <luckbr1...@gmail.com> wrote: > > And off-course, Here is my +1 (binding). > > On Thu, Nov 26, 2015 at 7:33 AM, Luciano Resende <luckbr1...@gmail.com> > wrote: > >> After initial discussion (under the name Spark-Kernel), please vote on >> the acceptance of Torii Project for incubation at the Apache Incubator. >> The full proposal is >> available at the end of this message and on the wiki at : >> >> https://wiki.apache.org/incubator/ToriiProposal >> >> Please cast your votes: >> >> [ ] +1, bring Torii into Incubator >> [ ] +0, I don't care either way >> [ ] -1, do not bring Torii into Incubator, because... >> >> Due to long weekend holiday in US, I will leave the vote open until >> December 1st. >> >> >> = Torii = >> >> == Abstract == >> Torii provides applications with a mechanism to interactively and remotely >> access Apache Spark. >> >> == Proposal == >> Torii enables interactive applications to access Apache Spark clusters. >> More specifically: >> * Applications can send code-snippets and libraries for execution by Spark >> * Applications can be deployed separately from Spark clusters and >> communicate with the Torii using the provided Torii client >> * Execution results and streaming data can be sent back to calling >> applications >> * Applications no longer have to be network connected to the workers on a >> Spark cluster because the Torii acts as each application’s proxy >> * Work has started on enabling Torii to support languages in addition to >> Scala, namely Python (with PySpark), R (with SparkR), and SQL (with >> SparkSQL) >> >> == Background & Rationale == >> Apache Spark provides applications with a fast and general purpose >> distributed computing engine that supports static and streaming data, >> tabular and graph representations of data, and an extensive library of >> machine learning libraries. Consequently, a wide variety of applications >> will be written for Spark and there will be interactive applications that >> require relatively frequent function evaluations, and batch-oriented >> applications that require one-shot or only occasional evaluation. >> >> Apache Spark provides two mechanisms for applications to connect with >> Spark. The primary mechanism launches applications on Spark clusters using >> spark-submit ( >> http://spark.apache.org/docs/latest/submitting-applications.html); this >> requires developers to bundle their application code plus any dependencies >> into JAR files, and then submit them to Spark. A second mechanism is an >> ODBC/JDBC API ( >> http://spark.apache.org/docs/latest/sql-programming-guide.html#distributed-sql-engine) >> which enables applications to issue SQL queries against SparkSQL. >> >> Our experience when developing interactive applications, such as analytic >> applications integrated with Notebooks, to run against Spark was that the >> spark-submit mechanism was overly cumbersome and slow (requiring JAR >> creation and forking processes to run spark-submit), and the SQL interface >> was too limiting and did not offer easy access to components other than >> SparkSQL, such as streaming. The most promising mechanism provided by >> Apache Spark was the command-line shell ( >> http://spark.apache.org/docs/latest/programming-guide.html#using-the-shell) >> which enabled us to execute code snippets and dynamically control the tasks >> submitted to a Spark cluster. Spark does not provide the command-line >> shell as a consumable service but it provided us with the starting point >> from which we developed Torii. >> >> == Current Status == >> Torii was first developed by a small team working on an internal-IBM >> Spark-related project in July 2014. In recognition of its likely general >> utility to Spark users and developers, in November 2014 the Torii project >> was moved to GitHub and made available under the Apache License V2. >> >> == Meritocracy == >> The current developers are familiar with the meritocratic open source >> development process at Apache. As the project has gathered interest at >> GitHub the developers have actively started a process to invite additional >> developers into the project, and we have at least one new developer who is >> ready to contribute code to the project. >> >> == Community == >> We started building a community around Torii project when we moved it to >> GitHub about one year ago. Since then we have grown to about 70 people, and >> there are regular requests and suggestions from the community. We believe >> that providing Apache Spark application developers with a general-purpose >> and interactive API holds a lot of community potential, especially >> considering possible tie-in’s with Notebooks and data science community. >> >> == Core Developers == >> The core developers of the project are currently all from IBM, from the >> IBM Emerging Technology team and from IBM’s recently formed Spark >> Technology Center. >> >> == Alignment == >> Apache, as the home of Apache Spark, is the most natural home for the >> Torii project because it was designed to work with Apache Spark and to >> provide capabilities for interactive applications and data science tools >> not provided by Spark itself. >> >> The Torii also has an affinity with Jupyter (jupyter.org) because it uses >> the Jupyter protocol for communications, and so Jupyter Notebooks can >> directly use the Torii as a kernel for communicating with Apache Spark. >> However, we believe that the Torii provides a general-purpose mechanism >> enabling a wider variety of applications than just Notebooks to access >> Spark, and so the Torii’s greatest affinity is with Apache and Apache >> Spark. >> >> == Known Risks == >> >> === Orphaned products === >> We believe the Torii project has a low-risk of abandonment due to interest >> in its continuing existence from several parties. More specifically, the >> Torii provides a capability that is not provided by Apache Spark today but >> it enables a wider range of applications to leverage Spark. For example, >> IBM uses (and is considering) the Torii in several offerings including its >> IBM Analytics for Apache Spark product in the Bluemix Cloud. There are also >> a couple of other commercial users who are using or considering its use in >> their offerings. Furthermore, Jupyter Notebooks are used by data scientists >> and Spark is gaining popularity as an analytic engine for them. Jupyter >> Notebooks are very easily enabled with the Torii and so there is another >> constituency for it. >> >> === Inexperience with Open Source === >> The Torii project has been running as an open-source project (albeit with >> only IBM committers) for the past several months. The project has an active >> issue tracker and due to the interest indicated by the nature and volume of >> requests and comments, the team has publicly stated it is beginning to >> build a process so they can accept third-party contributions to the project. >> >> === Relationships with Other Apache Products === >> The Torii has a clear affinity with the Apache Spark project because it is >> designed to provide capabilities for interactive applications and data >> science tools not provided by Spark itself. The Torii can be a back-end for >> the Zeppelin project currently incubating at Apache. There is interest from >> the Torii community to develop this capability and an experimental branch >> has been started. >> >> === Homogeneous Developers === >> The current group of developers working on Torii are all from IBM although >> the group is in the process of expanding its membership to include members >> of the GitHub community who are not from IBM and who have been active in >> the Torii community in GutHub. >> >> === Reliance on Salaried Developers === >> The initial committers are full-time employees at IBM although not all >> work on the project full-time. >> >> === Excessive Fascination with the Apache Brand === >> We believe the Torii benefits Apache Spark application developers, and we >> are interested in an Apache Torii project to benefit these developers by >> engaging a larger community, facilitating closer ties with the existing >> Spark project, and yes, gaining more visibility for the Torii as a solution. >> >> === Documentation === >> Comprehensive documentation including “Getting Started”, API >> specifications and a Roadmap are available from the GitHub project, see >> https://github.com/ibm-et/Torii/wiki. >> >> === Initial Source === >> The source code resides at https://github.com/ibm-et/Torii. >> >> === External Dependencies === >> The Torii depends upon a number of Apache projects: >> * Spark >> * Hadoop >> * Ivy >> * Commons >> >> The Torii also depends upon a number of other open source projects: >> * ZeroMQ (LGPL with Static Linking Exception, >> http://zeromq.org/area:licensing) >> * Akka (MIT) >> * JOpt Simple (MIT) >> * Spring Framework Core (Apache v2) >> * Play (Apache v2) >> * SLF4J (MIT) >> * Scala >> * Scalatest (Apache v2) >> * Scalactic (Apache v2) >> * Mockito (MIT) >> >> == Required Resources == >> >> === Mailing lists === >> >> * priv...@torii.incubator.apache.org (with moderated subscriptions) >> * comm...@torii.incubator.apache.org >> * d...@torii.incubator.apache.org >> >> === Git Repository === >> >> * https://git-wip-us.apache.org/repos/asf/incubator-torii.git >> >> === Issue Tracking === >> >> * A JIRA issue tracker: https://issues.apache.org/jira/browse/TORII >> >> == Initial Committers == >> >> * Leugim Bustelo (lbustelo AT us DOT ibm DOT com) >> * Jakob Odersky (odersky AT us DOT ibm DOT com) >> * Luciano Resende (lresende AT apache DOT org) >> * Robert Senkbeil (rcsenkbe AT us DOT ibm DOT com) >> * Corey Stubbs (cstubbs AT us DOT ibm DOT com) >> * Miao Wang (wangmiao AT us DOT ibm DOT com) >> * Sean Welleck (swelleck AT us DOT ibm DOT com) >> >> === Affiliations === >> All of the initial committers are employed by IBM. >> >> == Sponsors == >> >> === Champion === >> * Sam Ruby (rubys AT apache DOT org) >> >> === Nominated Mentors === >> * Luciano Resende (lresende AT apache DOT org) >> * Reynold Xin (rxin AT apache DOT org) >> * Hitesh Shah (hitesh AT apache DOT org) >> * Julien Le Dem (julien AT apache DOT org) >> >> === Sponsoring Entity === >> >> We would like to propose the Apache Incubator to sponsor this project. >> >> >> -- >> Luciano Resende >> http://people.apache.org/~lresende >> http://twitter.com/lresende1975 >> http://lresende.blogspot.com/ > > > > -- > Luciano Resende > http://people.apache.org/~lresende > http://twitter.com/lresende1975 > http://lresende.blogspot.com/
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