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From Vinod Kone <vinodk...@gmail.com>
Subject Re: [VOTE] Accept Aurora for Apache Incubation
Date Thu, 26 Sep 2013 17:10:49 GMT
+1


> On Sep 26, 2013, at 9:08 AM, Dave Lester <dave@ischool.berkeley.edu> wrote:
>
> Since discussion about the Aurora proposal has calmed and the team recently
> published a snapshot of the their source code on github (
> https://github.com/twitter/aurora), I'd like to call a vote for Aurora to
> become an incubated project.
>
> The proposal is pasted below, and also available at:
> https://wiki.apache.org/incubator/AuroraProposal
>
> Let's keep this vote open for three business days, closing the voting on
> Tuesday 10/1.
>
> [ ] +1 Accept Aurora into the Incubator
> [ ] +0 Don't care.
> [ ] -1 Don't accept Aurora because...
>
> Dave
>
> = Abstract =
>
> Aurora is a service scheduler used to schedule jobs onto Apache Mesos.
>
> = Proposal =
>
> Aurora is a scheduler that provides all of the primitives necessary to
> quickly deploy and scale stateless and fault tolerant services in a
> datacenter.
>
> Aurora builds on top of Apache Mesos and provides common features that
> allow any site to run large scale production applications. While the
> project is currently used in production at Twitter, we wish to develop a
> community to increase contributions and see it thrive in the future.
>
> = Background =
>
> The initial development of Aurora was done at Twitter, and its codebase was
> recently open sourced. This proposal is for Aurora to join the Apache
> Incubator.
>
> = Rationale =
>
> While the Apache Mesos core focuses on distributing individual tasks across
> nodes in a cluster, typical services consist of dozens or hundreds of
> replicas of tasks. As a service scheduler, Aurora provides the abstraction
> of a "job" to bundle and manage these tasks. Aurora provides many key
> functionalities centered around a job, including: definition, the concept
> of an instance and the serverset, deployment and scheduling, health
> checking, and introspection. It also allows cross-cutting concerns to be
> handled like observability and log collection.
>
> = Current Status =
>
> == Meritocracy ==
>
> By submitting this incubator proposal, we’re expressing our intent to build
> a diverse developer community around Aurora that will conduct itself
> according to The Apache Way and use meritocratic means of accepting
> contributions. Several members of the Aurora team overlap with Apache
> Mesos, which successfully graduated from the Incubator and has embraced a
> meritocratic model of governance; we plan to follow a similar path forward
> with Aurora and believe that a synergy between both projects will make this
> even easier.
>
> == Community ==
>
> Aurora is currently being used internally at Twitter. By open sourcing the
> project, we hope to extend our contributor base significantly and create a
> vibrant community around the project.
>
> == Core Developers ==
>
> Aurora is currently being developed by a team of seven engineers at Twitter.
>
> == Alignment ==
>
> The ASF is a natural choice to host the Aurora project, given the goal of
> open sourcing the project and fostering a community to grow and support the
> software. Additionally, Aurora integrates with Apache Mesos, and Apache
> ZooKeeper for service discovery.
>
> We believe that inclusion within Apache will build stronger ties between
> these projects, and create further alignment between their goals and
> communities.
>
> = Known Risks =
>
> == Orphaned Products ==
>
> The core developers plan to continue working full time on the project, and
> there is very little risk of Aurora being abandoned since it is running
> hundreds of services as part of Twitter’s infrastructure. Additionally,
> members of the Mesos community beyond Twitter have expressed interest in an
> advanced scheduler like Aurora (see “Interested Parties” section); we
> believe that need will drive some of the community involvement necessary
> for the project to incubate successfully.
>
> == Inexperience with Open Source ==
>
> Initial Aurora committers have varying levels of experience using and
> contributing to Open Source projects, however by working with our mentors
> and the Apache community we believe we will be able to conduct ourselves in
> accordance with Apache Incubator guidelines. The close relationship between
> the Aurora team and Apache Mesos means there is an awareness of the
> incubation process and a willingness to embrace The Apache Way.
>
> == Homogenous Developers ==
>
> The initial set of committers are from a single organization, however we
> expect that once approved for incubation the project will attract
> contributors from more organizations. We have already had conversations
> with other companies who have expressed an interest in Aurora.
>
> == Reliance on Salaried Developers ==
>
> Initial Aurora committers are salaried developers at Twitter, however
> shortly after open sourcing the code we plan to diversify the project’s
> core committers and contributors.
>
> == Relationships with Other Apache Products ==
>
> Initially, Aurora has been developed as a scheduler for Apache Mesos.
> Additionally, it relies on ZooKeeper for service discovery, allowing
> servers to register at a location and clients to subsequently discover the
> servers.
>
> == 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, our interest is primarily to give
> Aurora a solid home as an open source project following an established
> development model. We have also given reasons in the Rationale and
> Alignment sections.
>
> = Documentation =
>
> This proposal exists online as
> http://wiki.apache.org/incubator/AuroraProposal. Basic build instructions
> are included in the existing github repository, and the source code has
> thorough documentation. User documentation exists internally to Twitter,
> and as part of incubation will be adapted to share and improve user
> documentation overall.
>
> = Initial Source =
>
> JIRA Aurora (AURORA)
>
> = Source and Intellectual Property Submission Plan =
>
> A snapshot of the Aurora scheduler has been posted on github for review:
> https://github.com/twitter/aurora
>
> = External Dependencies =
>
> All Aurora dependencies have Apache compatible licenses.
>
> = Cryptography =
> Not applicable.
>
> = Required Resources =
>
> == Mailing Lists ==
>
> * aurora-private for private PMC discussions
> * aurora-dev
> * aurora-commits
>
> == Subversion Directory ==
>
> We prefer to use Git as our source control system: git://
> git.apache.org/aurora
>
> == Issue Tracking ==
>
> JIRA Aurora (AURORA)
>
> = Initial Committers =
>
> * Jonathan Boulle (jon at twitter dot com)
> * William Farner (bill at twitter dot com)
> * Suman Karumuri (skarumuri at twitter dot com)
> * Maxim Khutornenko (mkhutornenko at twitter dot com)
> * Dave Lester (dlester at twitter dot com)
> * Kevin Sweeney (ksweeney at twitter dot com)
> * Brian Wickman (wickman at twitter dot com)
>
> = Affiliations =
>
> Twitter
>
> = Sponsors =
>
> == Champion ==
>
> * Benjamin Hindman (benh at apache dot org)
>
> == Nominated Mentors ==
>
> * Jake Farrell (jfarrell at apache dot org)
> * Benjamin Hindman (benh at apache dot org)
> * Chris Mattmann (mattmann at apache dot org)
> * Henry Saputra (hsaputra at apache dot org)
>
> == Sponsoring Entity ==
> Incubator PMC

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