From general-return-63441-archive-asf-public=cust-asf.ponee.io@incubator.apache.org Wed Feb 14 02:13:07 2018 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id 1F751180656 for ; Wed, 14 Feb 2018 02:13:05 +0100 (CET) Received: (qmail 12663 invoked by uid 500); 14 Feb 2018 01:13:00 -0000 Mailing-List: contact general-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: general@incubator.apache.org Delivered-To: mailing list general@incubator.apache.org Received: (qmail 12652 invoked by uid 99); 14 Feb 2018 01:13:00 -0000 Received: from mail-relay.apache.org (HELO mailrelay1-lw-us.apache.org) (207.244.88.152) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 14 Feb 2018 01:13:00 +0000 Received: from mail-vk0-f43.google.com (mail-vk0-f43.google.com [209.85.213.43]) by mailrelay1-lw-us.apache.org (ASF Mail Server at mailrelay1-lw-us.apache.org) with ESMTPSA id AEBF429BC for ; Wed, 14 Feb 2018 01:12:58 +0000 (UTC) Received: by mail-vk0-f43.google.com with SMTP id a63so11954284vkg.6 for ; Tue, 13 Feb 2018 17:12:58 -0800 (PST) X-Gm-Message-State: APf1xPBI0mc1LBR4LByBSPBGBVqHnnao3Ft5tX1l0ih+1RB31/oIFCze 2mTPmrjXI8CfRAilxixaJGXFAT04GbhNaCxELdc= X-Google-Smtp-Source: AH8x224JcAHGy/yPdS9vD4ny2wK0Mf6ewwpa66V8OAt+ncXll0xwy4zkFlZ5ptYhdCINcL9A95Da7hjwPpdILZg+BKc= X-Received: by 10.31.163.216 with SMTP id m207mr3152004vke.63.1518570777146; Tue, 13 Feb 2018 17:12:57 -0800 (PST) MIME-Version: 1.0 Received: by 10.176.76.218 with HTTP; Tue, 13 Feb 2018 17:12:36 -0800 (PST) In-Reply-To: References: <21FF95AD-B519-42F9-A2E1-3DF10E65EFD2@comcast.net> <488295ec-f9bf-383e-a3af-43829e209ec2@mcgrail.com> From: Olivier Lamy Date: Wed, 14 Feb 2018 01:12:36 +0000 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [DISCUSS] Apache Pinot Incubator Proposal To: general@incubator.apache.org Content-Type: multipart/alternative; boundary="001a11425e70bcfb39056521cfee" --001a11425e70bcfb39056521cfee Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Kishore well I think as you are an ASF member you can add yourself as a mentor :-) On 14 February 2018 at 01:01, kishore g wrote: > Kevin, > > Increasing the adoption of Pinot is one thing that can help build a good > diverse community. Few things that come to my mind > - Improve documentation > - Better integration with cloud providers > - Meetup and blog posts. > > We would also love to get additional mentors from ASF to help us build th= e > community around Pinot. > > > > > On Tue, Feb 13, 2018 at 4:29 PM, Timothy Chen wrote: > > > Love to see this in the incubator as well. +1 > > > > Tim > > > > On Tue, Feb 13, 2018 at 4:22 PM, Kevin A. McGrail > > wrote: > > > Agreed. It could use more mentors from ASF which I'm too overloaded = to > > help > > > with but I'd be inclined to +1 this. Do you have some thoughts on > > getting > > > more community people outside of LI and Uber to help? > > > > > > On 2/13/2018 7:07 PM, Dave Fisher wrote: > > >> > > >> Noir or Blanc? Gris or Grigio? What=E2=80=99s the vintage? > > >> > > >> All kidding aside this looks interesting. > > >> > > >> Regards, > > >> Dave > > >> > > >> Sent from my iPhone > > >> > > >>> On Feb 13, 2018, at 12:10 AM, kishore g wrote= : > > >>> > > >>> Hello, > > >>> > > >>> I would like to propose Pinot as an Apache Incubator project. The > > >>> proposal > > >>> is available as a draft at > > >>> https://wiki.apache.org/incubator/PinotProposal. I > > >>> have also included the text of the proposal below. > > >>> > > >>> Any feedback from the community is much appreciated. > > >>> > > >>> Regards, > > >>> Kishore G > > >>> > > >>> =3D Pinot Proposal =3D > > >>> > > >>> =3D=3D Abstract =3D=3D > > >>> > > >>> Pinot is a distributed columnar storage engine that can ingest data > in > > >>> real-time and serve analytical queries at low latency. There are tw= o > > >>> modes > > >>> of data ingestion - batch and/or realtime. Batch mode allows users = to > > >>> generate pinot segments externally using systems such as Hadoop. > These > > >>> segments can be uploaded into Pinot via simple curl calls. Pinot ca= n > > >>> ingest > > >>> data in near real-time from streaming sources such as Kafka. Data > > >>> ingested > > >>> into Pinot is stored in a columnar format. Pinot provides a SQL lik= e > > >>> interface (PQL) that supports filters, aggregations, and group by > > >>> operations. It does not support joins by design, in order to > guarantee > > >>> predictable latency. It leverages other Apache projects such as > > >>> Zookeeper, > > >>> Kafka, and Helix, along with many libraries from the ASF. > > >>> > > >>> =3D=3D Proposal =3D=3D > > >>> > > >>> Pinot was open sourced by LinkedIn and hosted on GitHub. Majority o= f > > the > > >>> development happens at LinkedIn with other contributions from Uber > and > > >>> Slack. We believe that being a part of Apache Software Foundation > will > > >>> improve the diversity and help form a strong community around the > > >>> project. > > >>> > > >>> LinkedIn submits this proposal to donate the code base to Apache > > Software > > >>> Foundation. The code is already under Apache License 2.0. Code and > the > > >>> documentation are hosted on Github. > > >>> * Code: http://github.com/linkedin/pinot > > >>> * Documentation: https://github.com/linkedin/pinot/wiki > > >>> > > >>> > > >>> =3D=3D Background =3D=3D > > >>> > > >>> LinkedIn, similar to other companies, has many applications that > > provide > > >>> rich real-time insights to members and customers (internal and > > external). > > >>> The workload characteristics for these applications vary a lot. Som= e > > >>> internal applications simply need ad-hoc query capabilities with > > >>> sub-second > > >>> to multiple seconds latency. But external site facing applications > > >>> require > > >>> strong SLA even very high workloads. Prior to Pinot, LinkedIn had > > >>> multiple > > >>> solutions depending on the workload generated by the application an= d > > this > > >>> was inefficient. Pinot was developed to be the one single platform > that > > >>> addresses all classes of applications. Today at LinkedIn, Pinot > powers > > >>> more > > >>> than 50 site facing products with workload ranging from few queries > per > > >>> second to 1000=E2=80=99s of queries per second while maintaining th= e 99th > > >>> percentile latency which can be as low as few milliseconds. All > > internal > > >>> dashboards at LinkedIn are powered by Pinot. > > >>> > > >>> =3D=3D Rationale =3D=3D > > >>> > > >>> We believe that requirement to develop rich real-time analytic > > >>> applications > > >>> is applicable to other organizations. Both Pinot and the interested > > >>> communities would benefit from this work being openly available. > > >>> > > >>> =3D=3D Current Status =3D=3D > > >>> > > >>> Pinot is currently open sourced under the Apache License Version 2.= 0 > > and > > >>> available at github.com/linkedin/pinot. All the development is done > > using > > >>> GitHub Pull Requests. We cut releases on a weekly basis and deploy = it > > at > > >>> LinkedIn. mp-0.1.468 is the latest release tag that is deployed in > > >>> production. > > >>> > > >>> =3D=3D Meritocracy =3D=3D > > >>> > > >>> Following the Apache meritocracy model, we intend to build an open > and > > >>> diverse community around Pinot. We will encourage the community to > > >>> contribute to discussion and codebase. > > >>> > > >>> =3D=3D Community =3D=3D > > >>> > > >>> Pinot is currently used extensively at LinkedIn and Uber. Several > > >>> companies > > >>> have expressed interest in the project. We hope to extend the > > contributor > > >>> base significantly by bringing Pinot into Apache. > > >>> > > >>> =3D=3D Core Developers =3D=3D > > >>> > > >>> Pinot was started by engineers at LinkedIn, and now has committers > from > > >>> Uber. > > >>> > > >>> =3D=3D Alignment =3D=3D > > >>> > > >>> Apache is the most natural home for taking Pinot forward. Pinot > > leverages > > >>> several existing Apache Projects such as Kafka, Helix, Zookeeper, a= nd > > >>> Avro. > > >>> As Pinot gains adoption, we plan to add support for the ORC and > Parquet > > >>> formats, as well as adding integration with Yarn and Mesos. > > >>> > > >>> =3D=3D Known Risks =3D=3D > > >>> > > >>> =3D=3D=3D Orphaned Products =3D=3D=3D > > >>> > > >>> The risk of the Pinot project being abandoned is minimal. The teams > at > > >>> LinkedIn and Uber are highly incentivized to continue development o= f > > >>> Pinot > > >>> as it is a critical part of their infrastructure. > > >>> > > >>> =3D=3D=3D Inexperience with Open Source =3D=3D=3D > > >>> > > >>> Post open sourcing, Pinot was completely developed on GitHub. All t= he > > >>> current developers on Pinot are well aware of the open source > > development > > >>> process. However, most of the developers are new to the Apache > process. > > >>> Kishore Gopalakrishna, one of the lead developers in Pinot, is VP a= nd > > >>> committer of the Apache Helix project. > > >>> > > >>> =3D=3D=3D Homogenous Developers =3D=3D=3D > > >>> > > >>> The current core developers are all from LinkedIn and Uber. However= , > we > > >>> hope to establish a developer community that includes contributors > from > > >>> several corporations and we are actively encouraging new contributo= rs > > via > > >>> the mailing lists and public presentations of Pinot. > > >>> > > >>> =3D=3D=3D Reliance on Salaried Developers =3D=3D=3D > > >>> > > >>> It is expected that Pinot development will occur on both salaried > time > > >>> and > > >>> on volunteer time, after hours. The majority of initial committers > are > > >>> paid > > >>> by their employer to contribute to this project. However, they are > all > > >>> passionate about the project, and we are confident that the project > > will > > >>> continue even if no salaried developers contribute to the project. = We > > are > > >>> committed to recruiting additional committers including non-salarie= d > > >>> developers. > > >>> > > >>> =3D=3D=3D Relationships with Other Apache Products =3D=3D=3D > > >>> > > >>> As mentioned earlier, Pinot uses several Apache Projects such as > Kafka > > to > > >>> ingest data in real-time, Zookeeper and Helix for cluster managemen= t. > > >>> Pinot > > >>> also uses Maven for build and release. We foresee adding support fo= r > > the > > >>> Parquet and ORC formats. Adding the ability to deploy on Yarn and > Mesos > > >>> clusters is another interesting project we might pursue. > > >>> > > >>> =3D=3D=3D An Excessive Fascination with the Apache Brand =3D=3D=3D > > >>> > > >>> While we respect the reputation of the Apache brand and have no > doubts > > >>> that > > >>> it will attract contributors and users, we believe ASF is the right > > home > > >>> for Pinot to foster a great community that will lead to a better > > outcome > > >>> in > > >>> the long term. > > >>> > > >>> =3D=3D Documentation =3D=3D > > >>> > > >>> * Code: https://github.com/linkedin/pinot/ > > >>> * Documentation: https://github.com/linkedin/pinot/wiki > > >>> * User group: https://groups.google.com/forum/#!forum/pinot_users > > >>> > > >>> =3D=3D Initial Source =3D=3D > > >>> > > >>> The current Pinot codebase is hosted on Github and licensed under t= he > > >>> Apache License V2. The source tree is self contained and relies on > > Maven > > >>> as > > >>> its build and dependency resolution mechanism. > > >>> > > >>> =3D=3D External Dependencies =3D=3D > > >>> > > >>> All dependencies in Pinot have licenses that are compatible with > Apache > > >>> License V2, except for the org.json library, which will be removed > > prior > > >>> to > > >>> Apache incubation. The list below summarizes the external > dependencies > > of > > >>> Pinot grouped by license and ASF license category. > > >>> > > >>> Dependencies from the ASF Category A > > >>> =3D=3D=3D Apache License 2.0 =3D=3D=3D > > >>> * com.101tec:zkclient:0.7 > > >>> * com.alibaba:fastjson:1.1.24 > > >>> * com.clearspring.analytics:stream:2.7.0 > > >>> * com.fasterxml.jackson.core:jackson-annotations:2.8.0 > > >>> * com.fasterxml.jackson.core:jackson-core:2.8.0 > > >>> * com.fasterxml.jackson.core:jackson-databind:2.8.0 > > >>> * com.google.code.findbugs:jsr305:3.0.0 > > >>> * com.google.guava:guava:19 > > >>> * com.ning:async-http-client:1.9.21 > > >>> * com.yammer.metrics:metrics-core:2.2.0 > > >>> * commons-beanutils:commons-beanutils:1.8.3 > > >>> * commons-cli:commons-cli:1.2 > > >>> * commons-codec:commons-codec:1.6 > > >>> * commons-configuration:commons-configuration:1.6 > > >>> * commons-fileupload:commons-fileupload:1.2.2 > > >>> * commons-httpclient:commons-httpclient:3.1 > > >>> * commons-io:commons-io:2.1 > > >>> * commons-validator:commons-validator:1.4.0 > > >>> * io.netty:netty-all:4.1.4.Final > > >>> * io.swagger:swagger-jaxrs:1.5.10 > > >>> * io.swagger:swagger-jersey2-jaxrs:1.5.10 > > >>> * it.unimi.dsi:fastutil:6.5.16 > > >>> * joda-time:joda-time:2 > > >>> * log4j:log4j:1.2.17 > > >>> * me.lemire.integercompression:JavaFastPFOR:0.0.13 > > >>> * nl.jqno.equalsverifier:equalsverifier:1.7.2 > > >>> * org.apache.avro:avro:1.7.6 > > >>> * org.apache.commons:commons-compress:1.9 > > >>> * org.apache.commons:commons-lang3:3.5 > > >>> * org.apache.commons:commons-math:2.1 > > >>> * org.apache.hadoop:hadoop-client:2.7.0 > > >>> * org.apache.hadoop:hadoop-common:2.7.0 > > >>> * org.apache.helix:helix-core:0.6.8 > > >>> * org.apache.httpcomponents:httpclient:4.1.3 > > >>> * org.apache.httpcomponents:httpclient:4.2.5 > > >>> * org.apache.httpcomponents:httpcore:4.2.5 > > >>> * org.apache.httpcomponents:httpmime:4.2.5 > > >>> * org.apache.kafka:kafka_2.10:0.9.0.1 > > >>> * org.apache.thrift:libthrift:0.9.1 > > >>> * org.apache.zookeeper:zookeeper:3.4.9 > > >>> * org.codehaus.jackson:jackson-core-asl:1.9.6 > > >>> * org.codehaus.jackson:jackson-mapper-asl:1.9.6 > > >>> * org.json:json:20080701 > > >>> * org.roaringbitmap:RoaringBitmap:0.5.10 > > >>> * org.testng:testng:6.0.1 > > >>> * org.twitter4j:twitter4j-core:4.0.3 > > >>> * org.webjars:swagger-ui:2.2.2 > > >>> * org.xerial.larray:larray:0.2.1 > > >>> * org.yaml:snakeyaml:1.16 > > >>> * xml-apis:xml-apis:1.0.b2 > > >>> =3D=3D=3D Dual license (Apache License 2.0 + LGPL 2.1), using under= the > > Apache > > >>> License =3D=3D=3D > > >>> * org.codehaus.jackson:jackson-jaxrs:1.9.6 > > >>> * org.codehaus.jackson:jackson-xc:1.9.6 > > >>> =3D=3D=3D BSD =3D=3D=3D > > >>> * com.jcabi:jcabi-log:0.17.1 > > >>> * org.antlr:antlr4-annotations:4.3 > > >>> * org.antlr:antlr4-runtime:4.3 > > >>> =3D=3D=3D MIT =3D=3D=3D > > >>> * com.github.nkzawa:socket.io-client:0.5.1 > > >>> * org.mockito:mockito-core:2.10.0 > > >>> * org.slf4j:slf4j-api:1.7.7 > > >>> * org.slf4j:slf4j-log4j12:1.7.7 > > >>> > > >>> =3D=3D=3D Dependencies from the ASF Category B =3D=3D=3D > > >>> Dual license (CDDL 1.1 + GPL 2 w/ CPE), using under the CDDL > > >>> * com.sun.jersey:jersey-client:1.19.2 > > >>> * javax.servlet:javax.servlet-api:3.0.1 > > >>> * org.glassfish.jersey.containers:jersey-container- > grizzly2-http:2.23 > > >>> * org.glassfish.jersey.core:jersey-common:2.23 > > >>> * org.glassfish.jersey.core:jersey-server:2.23 > > >>> * org.glassfish.jersey.media:jersey-media-json-jackson:2.24 > > >>> * org.glassfish.jersey.media:jersey-media-multipart:2.23 > > >>> > > >>> =3D=3D=3D Dependencies from the ASF Category X =3D=3D=3D > > >>> JSON License > > >>> * org.json:json:20080701 (to be removed before Apache incubation) > > >>> > > >>> > > >>> =3D=3D Cryptography =3D=3D > > >>> > > >>> None > > >>> > > >>> =3D=3D Required Resources =3D=3D > > >>> > > >>> =3D=3D=3D Mailing lists =3D=3D=3D > > >>> > > >>> * pinot-private (with moderated subscriptions) > > >>> * pinot-user > > >>> * pinot-dev > > >>> * pinot-commits > > >>> > > >>> =3D=3D=3D Git repository =3D=3D=3D > > >>> > > >>> * git://git.apache.org/pinot > > >>> * https://git-wip-us.apache.org/repos/asf/incubator-pinot.git > > >>> > > >>> =3D=3D=3D Issue Tracking =3D=3D=3D > > >>> > > >>> A JIRA Issue tracker (PINOT) > > >>> > > >>> =3D=3D=3D Other Resources =3D=3D=3D > > >>> > > >>> The existing code already has unit and integration tests and we use > > >>> travis > > >>> to test the patch before committing it to master. We would like to > have > > >>> an > > >>> instance of Jenkins to achieve similar functionality. > > >>> > > >>> =3D=3D Initial Committers =3D=3D > > >>> > > >>> * Kishore Gopalakrishna > > >>> * Ravi Aringunram > > >>> * Jean-Fran=C3=A7ois Im > > >>> * Mayank Shrivastava > > >>> * Subbu Subramaniam > > >>> * Adwait Tumbde > > >>> * Xiaotian Jiang > > >>> * Jennifer Dai > > >>> * Seunghyun Lee > > >>> * Xiang Fu > > >>> * Dhaval Patel > > >>> * Neha Pawar > > >>> * Alex Pucher > > >>> * Yen-Jung Chang > > >>> > > >>> > > >>> > > >>> =3D=3D Affiliations =3D=3D > > >>> > > >>> * Kishore Gopalakrishna (LinkedIn) > > >>> * Ravi Aringunram (LinkedIn) > > >>> * Jean-Fran=C3=A7ois Im (LinkedIn) > > >>> * Mayank Shrivastava (LinkedIn) > > >>> * Subbu Subramaniam (LinkedIn) > > >>> * Adwait Tumbde (LinkedIn) > > >>> * Xiaotian Jiang (LinkedIn) > > >>> * Jennifer Dai (LinkedIn) > > >>> * Seunghyun Lee (LinkedIn) > > >>> * Xiang Fu (Uber) > > >>> * Dhaval Patel (Uber) > > >>> * Neha Pawar (LinkedIn) > > >>> * Alex Pucher (LinkedIn) > > >>> * Yen-Jung Chang (LinkedIn) > > >>> > > >>> =3D=3D Sponsors =3D=3D > > >>> > > >>> =3D=3D=3D Champion =3D=3D=3D > > >>> > > >>> * Olivier Lamy < olamy at apache dot org> > > >>> > > >>> =3D=3D=3D Nominated Mentors =3D=3D=3D > > >>> > > >>> * Olivier Lamy > > >>> > > >>> =3D=3D=3D Sponsoring Entity =3D=3D=3D > > >>> > > >>> The Apache Incubator > > >> > > >> > > >> --------------------------------------------------------------------= - > > >> To unsubscribe, e-mail: general-unsubscribe@incubator.apache.org > > >> For additional commands, e-mail: general-help@incubator.apache.org > > >> > > > > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: general-unsubscribe@incubator.apache.org > > > For additional commands, e-mail: general-help@incubator.apache.org > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: general-unsubscribe@incubator.apache.org > > For additional commands, e-mail: general-help@incubator.apache.org > > > > > --=20 Olivier Lamy http://twitter.com/olamy | http://linkedin.com/in/olamy --001a11425e70bcfb39056521cfee--