+1 (binding)
Willem Jiang Blog: http://willemjiang.blogspot.com (English) http://jnn.iteye.com (Chinese) Twitter: willemjiang Weibo: 姜宁willem On Sun, Mar 11, 2018 at 7:51 PM, Pierre Smits <pierresm...@apache.org> wrote: > +1 > > > > Best regards, > > Pierre Smits > > V.P. Apache Trafodion > > On Sun, Mar 11, 2018 at 12:59 AM, Julian Hyde <jh...@apache.org> wrote: > > > +1 (binding) > > > > Ironic that Druid — a similar project — has just entered incubation too. > > But of course that is not a conflict. Both are great projects. Good luck! > > > > Julian > > > > > > > On Mar 9, 2018, at 7:37 PM, Carl Steinbach <c...@apache.org> wrote: > > > > > > +1 (binding) > > > > > > On Fri, Mar 9, 2018, 7:29 PM kishore g <g.kish...@gmail.com> wrote: > > > > > >> Added Jim Jagielski to the mentor's list. > > >> > > >> On Fri, Mar 9, 2018 at 6:35 PM, Olivier Lamy <ol...@apache.org> > wrote: > > >> > > >>> +1 > > >>> > > >>> On 9 March 2018 at 17:11, kishore g <g.kish...@gmail.com> wrote: > > >>> > > >>>> Hi all, > > >>>> > > >>>> I would like to call a VOTE to accept Pinot into the Apache > Incubator. > > >>> The > > >>>> full proposal is available on the wiki > > >>>> <https://wiki.apache.org/incubator/PinotProposal> > > >>>> > > >>>> Please cast your vote: > > >>>> > > >>>> [ ] +1, bring Pinot into Incubator > > >>>> [ ] +0, I don't care either way, > > >>>> [ ] -1, do not bring Pinot into Incubator, because... > > >>>> > > >>>> The vote will open at least for 72 hours and only votes from the > > >>> Incubator > > >>>> PMC are binding. > > >>>> > > >>>> Thanks, > > >>>> Kishore G > > >>>> > > >>>> Discussion thread: > > >>>> https://lists.apache.org/thread.html/8119f9478ea1811371f1bf6685290b > > >>>> 22b57b1a3e0849d1d778d77dcb@%3Cgeneral.incubator.apache.org > > >>>> > > >>>> > > >>>> = Pinot Proposal = > > >>>> > > >>>> == Abstract == > > >>>> > > >>>> Pinot is a distributed columnar storage engine that can ingest data > in > > >>>> real-time and serve analytical queries at low latency. There are two > > >>> 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 can > > >>> 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 like > > >>>> 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. > > >>>> > > >>>> == Proposal == > > >>>> > > >>>> Pinot was open sourced by LinkedIn and hosted on GitHub. Majority of > > >> 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 > > >>>> > > >>>> > > >>>> == Background == > > >>>> > > >>>> 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. Some > > >>>> 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 and > > >> 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’s of queries per second while maintaining the 99th > > >>>> percentile latency which can be as low as few milliseconds. All > > >> internal > > >>>> dashboards at LinkedIn are powered by Pinot. > > >>>> > > >>>> == Rationale == > > >>>> > > >>>> 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. > > >>>> > > >>>> == Current Status == > > >>>> > > >>>> 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. > > >>>> > > >>>> == Meritocracy == > > >>>> > > >>>> 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. > > >>>> > > >>>> == Community == > > >>>> > > >>>> 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. > > >>>> > > >>>> == Core Developers == > > >>>> > > >>>> Pinot was started by engineers at LinkedIn, and now has committers > > from > > >>>> Uber. > > >>>> > > >>>> == Alignment == > > >>>> > > >>>> Apache is the most natural home for taking Pinot forward. Pinot > > >> leverages > > >>>> several existing Apache Projects such as Kafka, Helix, Zookeeper, > and > > >>> 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. > > >>>> > > >>>> == Known Risks == > > >>>> > > >>>> === Orphaned Products === > > >>>> > > >>>> The risk of the Pinot project being abandoned is minimal. The teams > at > > >>>> LinkedIn and Uber are highly incentivized to continue development of > > >>> Pinot > > >>>> as it is a critical part of their infrastructure. > > >>>> > > >>>> === Inexperience with Open Source === > > >>>> > > >>>> Post open sourcing, Pinot was completely developed on GitHub. All > the > > >>>> 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 > and > > >>>> committer of the Apache Helix project. > > >>>> > > >>>> === Homogenous Developers === > > >>>> > > >>>> 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 > contributors > > >> via > > >>>> the mailing lists and public presentations of Pinot. > > >>>> > > >>>> === Reliance on Salaried Developers === > > >>>> > > >>>> 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-salaried > > >>>> developers. > > >>>> > > >>>> === Relationships with Other Apache Products === > > >>>> > > >>>> As mentioned earlier, Pinot uses several Apache Projects such as > Kafka > > >> to > > >>>> ingest data in real-time, Zookeeper and Helix for cluster > management. > > >>> Pinot > > >>>> also uses Maven for build and release. We foresee adding support for > > >> the > > >>>> Parquet and ORC formats. Adding the ability to deploy on Yarn and > > Mesos > > >>>> clusters is another interesting project we might pursue. > > >>>> > > >>>> === An Excessive Fascination with the Apache Brand === > > >>>> > > >>>> 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. > > >>>> > > >>>> == Documentation == > > >>>> > > >>>> * Code: https://github.com/linkedin/pinot/ > > >>>> * Documentation: https://github.com/linkedin/pinot/wiki > > >>>> * User group: https://groups.google.com/forum/#!forum/pinot_users > > >>>> > > >>>> == Initial Source == > > >>>> > > >>>> The current Pinot codebase is hosted on Github and licensed under > the > > >>>> Apache License V2. The source tree is self contained and relies on > > >> Maven > > >>> as > > >>>> its build and dependency resolution mechanism. > > >>>> > > >>>> == External Dependencies == > > >>>> > > >>>> 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 > > >>>> === Apache License 2.0 === > > >>>> * 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 > > >>>> === Dual license (Apache License 2.0 + LGPL 2.1), using under the > > >> Apache > > >>>> License === > > >>>> * org.codehaus.jackson:jackson-jaxrs:1.9.6 > > >>>> * org.codehaus.jackson:jackson-xc:1.9.6 > > >>>> === BSD === > > >>>> * com.jcabi:jcabi-log:0.17.1 > > >>>> * org.antlr:antlr4-annotations:4.3 > > >>>> * org.antlr:antlr4-runtime:4.3 > > >>>> === MIT === > > >>>> * 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 > > >>>> > > >>>> === Dependencies from the ASF Category B === > > >>>> 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 > > >>>> > > >>>> === Dependencies from the ASF Category X === > > >>>> JSON License > > >>>> * org.json:json:20080701 (to be removed before Apache incubation) > > >>>> > > >>>> > > >>>> == Cryptography == > > >>>> > > >>>> None > > >>>> > > >>>> == Required Resources == > > >>>> > > >>>> === Mailing lists === > > >>>> > > >>>> * pinot-private (with moderated subscriptions) > > >>>> * pinot-user > > >>>> * pinot-dev > > >>>> * pinot-commits > > >>>> > > >>>> === Git repository === > > >>>> > > >>>> * git://git.apache.org/pinot > > >>>> * https://git-wip-us.apache.org/repos/asf/incubator-pinot.git > > >>>> > > >>>> === Issue Tracking === > > >>>> > > >>>> A JIRA Issue tracker (PINOT) > > >>>> > > >>>> === Other Resources === > > >>>> > > >>>> 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. > > >>>> > > >>>> == Initial Committers == > > >>>> > > >>>> * Kishore Gopalakrishna > > >>>> * Ravi Aringunram > > >>>> * Jean-François Im > > >>>> * Mayank Shrivastava > > >>>> * Subbu Subramaniam > > >>>> * Adwait Tumbde > > >>>> * Xiaotian Jiang > > >>>> * Jennifer Dai > > >>>> * Seunghyun Lee > > >>>> * Xiang Fu > > >>>> * Dhaval Patel > > >>>> * Neha Pawar > > >>>> * Alex Pucher > > >>>> * Yen-Jung Chang > > >>>> > > >>>> > > >>>> > > >>>> == Affiliations == > > >>>> > > >>>> * Kishore Gopalakrishna (LinkedIn) > > >>>> * Ravi Aringunram (LinkedIn) > > >>>> * Jean-François 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) > > >>>> * Marcel Siegrist > > >>>> > > >>>> == Sponsors == > > >>>> > > >>>> === Champion === > > >>>> > > >>>> * Olivier Lamy < olamy at apache dot org> > > >>>> > > >>>> === Nominated Mentors === > > >>>> > > >>>> * Olivier Lamy <olamy at apache dot org> > > >>>> * Kishore Gopalakrishna < kishoreg at apache dot org> > > >>>> * > > >>>> > > >>>> === Sponsoring Entity === > > >>>> > > >>>> The Apache Incubator > > >>>> > > >>> > > >>> > > >>> > > >>> -- > > >>> Olivier Lamy > > >>> http://twitter.com/olamy | http://linkedin.com/in/olamy > > >>> > > >> > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org > > For additional commands, e-mail: general-h...@incubator.apache.org > > > > >
