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From Gavin Li <lyo.ga...@gmail.com>
Subject Re: [PROPOSAL]Pistachio
Date Fri, 19 Jun 2015 18:30:32 GMT
Henry,

Thanks for the suggestion.

We agree that at early stage we'd better shunt the user discussion to dev
list to help developing the community. I'll update the proposal on the wiki
once I have write access on wiki.

THanks,
Gavin Li

On Fri, Jun 19, 2015 at 10:51 AM, Henry Saputra <henry.saputra@gmail.com>
wrote:

> Since it is mostly used in Yahoo do you need pistachio-user list for now?
>
> Usually incubator project should focus all communications in dev@ list
> to avoid distractions of emails.
>
>
> - Henry
>
> On Thu, Jun 18, 2015 at 10:17 AM, Gavin Li <lyo.gavin@gmail.com> wrote:
> > Hi,
> >
> > I want to propose project Pistachio to enter Apache Incubator.
> >
> > Below please find the proposal.
> >
> > Thanks,
> > Gavin Li
> >
> >
> >
> > = Pistachio =
> >
> > == Abstract ==
> >
> > Pistachio is a fault-tolerant low latency distributed storage system
> which
> > enables simple embedding the computation to the storage layer to achieve
> > best data locality. It evolves from Yahoo’s global user profile storage
> > system.
> >
> > == Proposal ==
> >
> > Pistachio is a distributed key value store system with fault tolerance
> and
> > consistency guarantee. It supports multiple local storage engine
> including
> > in-memory, kyoto cabinet, rocks DB etc. Pistachio is being used as the
> user
> > profile storage for massive scale global ads products in Yahoo storing
> 10+
> > billion user profiles. The performance and reliability has been well
> proven
> > on production.
> >
> > Pistachio can easily embed computation to the storage layer to achieve
> the
> > best data locality to improve the computation performance significantly
> > which is an innovative model comparing with the normal ways where the
> > storage and compute are independent to each other.
> >
> > == Background ==
> >
> > Pistachio is originally designed and optimized for Yahoo’s large scale
> > global open RTB(real-time bidding) use cases where latency is
> critical(the
> > whole request needs to be finished within 100ms including network round
> > trips). It stores 10+ billion user profiles in 8 data centers.
> >
> > Then because of the great performance and the flexibility of local
> storage
> > choices, we evolved it to do distributed compute. Rich call back
> interfaces
> > are added to supports easy compute directly on top of the storage system
> > local to the data partition. This model is totally different from the
> > traditional distributed computation model where the storage and compute
> are
> > separated and independent. In the new model we found data locality can be
> > improved significantly and lots of data access round trips can be reduced
> > in computation, and the performance can be improved significantly.
> >
> > It was publicly announced in April 2015 and currently being hosted in
> > Github.
> >
> > == Rationale ==
> >
> > As a key value store system Pistachio is unique in terms of low latency
> > access with fault tolerance and consistency guarantee. The reliability,
> > scalability, fault tolerance and performance has been well proven in
> global
> > large scale revenue supporting production system in Yahoo.
> >
> > As a distributed computation system, it’s an innovative model where the
> > compute layer is introduced on top of the storage layer natively and
> > naturally to optimize the data locality of computation.
> >
> > Operating the project in “apache way” greatly aligns with the long-term
> > vision of this project and can greatly help the development of the
> > community.
> >
> > == Current Status ==
> >
> > Pistachio was open-sourced and announced in April 2015 and currently
> being
> > hosted in Github, it was mainly being developed by the team from Yahoo
> and
> > already attracted lots of external developers (20+ watches and forks on
> > github).
> >
> > == Meritocracy ==
> >
> > We plan to build an environment following the Apache meritocracy
> > principles. Many companies including Linkedin, GF securities, Microsoft
> and
> > open source communities like deeplearning4j have already expressed
> > interests or accepted the invitations to participate in this project.
> >
> > == Community ==
> >
> > Since the announcement of Pistachio we received lots of interests. And
> the
> > concept of embedding computation to storage also got lots of
> recognitions.
> > We also started to work with other communities like deeplearning4j to
> build
> > more application use cases with Pistachio. We believe the community will
> > grow fast.
> >
> > == Core Developers ==
> >
> > This project is created by Gavin Li. Core developers are currently mainly
> > in Yahoo.
> >
> > == Alignment ==
> >
> > Pistachio depends on many Apache projects and dependencies including
> Kafka,
> > Helix, Zookeeper, Curator, Apache Commons, etc.
> >
> > == Known Risks ==
> >
> > === Orphaned Products ===
> >
> > The risk of Pistachio being orphaned is small because Yahoo heavily
> > invested in this system. It’s the internal storage standard for Yahoo’s
> > global ads products and still being expanded. Migration cost from this
> > project is very high. We are also working with external communities like
> > deeplearning4j and other companies to expand the applications.
> >
> > === Inexperience with Open Source ===
> >
> > Core developers are experienced open source contributors in many projects
> > including Druid, Spark, Storm, etc. Pistachio committers will be guided
> by
> > the mentors with strong Apache open source project backgrounds.
> >
> > === Homogeneous Developers ===
> >
> > The initial committers include developers from several institutions
> > including Microsoft, GF Securities, Linkedin and Yahoo.
> >
> > === Reliance on Salaried Developers ===
> >
> > We work on Pistachio on both salaried time and after hours. Many
> developers
> > from other institutions already accepted the invitation to volunteer
> > working on Pistachio.
> >
> > === Relationships with Other Apache Products ===
> >
> > As mentioned earlier, Pistachio depends on apache kafka, helix,
> zookeeper,
> > curator, etc.
> >
> > === A Excessive Fascination with the Apache Brand ===
> >
> > Generating publicity is not the purpose of this proposal. We mainly want
> to
> > join the ASF in order to increase our contacts and visibility in the open
> > source world to attract great developers.
> >
> > == Document ==
> >
> > Current documentation can be found here:
> https://github.com/yahoo/Pistachio.
> >
> > == Initial source ==
> >
> > Initial source can be found here in the Github repo:
> > https://github.com/yahoo/Pistachio.
> >
> > == External dependencies ==
> >
> > To the best of our knowledge, here is the list of dependencies:
> > Rocks DB
> > ICU4j
> > Apache Curator
> > netty
> > google http client
> > codahale.metrics
> > apache helix
> > apache zookeeper
> > apache commons
> > apache thrift
> > apache kafka
> > kyoto cabinet (GNU GPL)
> > google protocol buffer
> > kryo
> > slf4j
> >
> > To the best of our knowledge, except kyoto cabinet others are all
> > distributed under Apache compatible licenses:
> > BSD
> > ICU
> > Apache License 2.0
> > MIT
> >
> > Kytoto cabinet is under GNU GPL, but it is not a hard necessary
> dependency
> > to Pistachio, it’s an optional pluggable storage engine. It’s designed in
> > the way that it’s totally plugable and very loosely coupled. We can
> easily
> > remove it in graduation.
> >
> > == Required Resources ==
> >
> > Mailing Lists
> >
> > pistachio-user
> > pistachio-dev
> > pistachio-commits
> > pistachio-private (for private PMC discussions)
> >
> > Git
> >
> > The Pistachio team prefers Git for source version control: git://
> > git.apache.org/pistachio
> >
> > Issue Tracking
> >
> > JIRA Pistachio (PISTACHIO)
> >
> > Other Resources
> >
> > Jenkins continuous integration testing
> >
> > == Initial Committers ==
> >
> > Gavin Li <lyo.gavin at gmail dot com>
> > Lie Yang <lyang at yahoo-inc dot com>
> > Jay Kim <pitecus at yahoo-inc dot com>
> > Flavio Junqueira <fpj at apache dot org>
> > Chihong Liang<chihong.liang at gmail dot com>
> > Yong Liu<ly7110 at gmail dot com>
> > Shengwu Yang <yangshengwu at gmail dot com>
> >
> > == Affiliations ==
> >
> > Gavin Li - Yahoo
> > Flavio Junqueira - Microsoft
> > Chihong Liang - GF securities
> > Yong Liu - Yingmi Asset Management Corp.
> > Lie Yang - Yahoo
> > Jay Kim - Yahoo
> > Shengwu Yang - Linkedin China
> >
> > == Sponsors ==
> >
> > === Champion ===
> >
> > Flavio Junqueira <fpj at apache dot org>
> >
> > === Nominated Mentors ===
> >
> > === Sponsoring Entity ===
> >
> > The Apache Incubator
>
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