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From Ming Wen <wenm...@apache.org>
Subject Re: [DISCUSS] Incubating Proposal of Kyuubi
Date Sat, 05 Jun 2021 23:28:48 GMT
hi, Kent,

>From 2018 to 2020, kuyybi is not an active project, most of the time there
is only one contributor per month.  But in 2021, there will be 8 active
contributors every month.  What is the reason for this?

Willem Jiang <willem.jiang@gmail.com>于2021年6月3日 周四下午12:53写道:

> I think we can revisit the PPMC part and have more discussion with the
> initial committers.
> It's a good chance to let them know better about  how to run an open
> source project in Apache Way.
>
>
> Willem Jiang
>
> Twitter: willemjiang
> Weibo: 姜宁willem
>
> On Thu, Jun 3, 2021 at 11:52 AM Atri Sharma <atri@apache.org> wrote:
> >
> > I would like to hear from Kyuubi's mentors on the topic before reaching a
> > conclusion.
> >
> > On Thu, 3 Jun 2021, 05:40 Sheng Wu, <wu.sheng.841108@gmail.com> wrote:
> >
> > > Kent
> > >
> > > Thanks.
> > > The proposal is generally better this time.
> > >
> > > If your initial committers and your mentors agree, you are ready to
> embrace
> > > the ASF culture, I am good with that.
> > > Just from my experience, your community looks a little too young, like
> > > Atri's concern, which is reasonable.
> > > But I would like to trust you and your mentors' judgment and
> determination.
> > >
> > > Sheng Wu 吴晟
> > > Twitter, wusheng1108
> > >
> > >
> > > Kent Yao <yao@apache.org> 于2021年6月3日周四 上午12:54写道:
> > >
> > > > Hi Sheng,
> > > >
> > > > Truly sorry for the format issue.
> > > >
> > > > Please trust me I did not mean to hurt anybody and push any
> contributor
> > > > away. We drafted this proposal together based on the New Podling
> > > Proposal.
> > > > We never tried to use PPMC and committer to measure whose
> contribution is
> > > > higher. This mistake has been fixed in the proposal.
> > > >
> > > > About releases, we will follow
> > > > https://www.apache.org/legal/release-policy.html and the guide of
> our
> > > > mentors. We will also take the initiative to learn other documents.
> > > >
> > > > > This is not a block, the point I mentioned this is, you will need
> more
> > > > people.
> > > >
> > > > We will keep working on this.
> > > >
> > > > Bests,
> > > >
> > > > Kent Yao
> > > >
> > > >
> > > > Sheng Wu <wu.sheng.841108@gmail.com> 于2021年6月2日周三 下午10:53写道:
> > > >
> > > > > Hi Kent
> > > > >
> > > > > Thanks for replying, but to be honest, your mail format is chaos.
> > > > > Take a look at bellowing, which is what I saw in the gmail.
> > > > >
> > > > > This may be an issue of your mail client or some else.
> > > > >
> > > > > > The current #.2 - 5 top
> > > > > > contributors will stay as committers, and they will join the
PPMC
> > > > during
> > > > > > incubation.
> > > > >
> > > > > PPMC usually is the default for all initial committers, considering
> > > your
> > > > > community is still small and not very active.
> > > > > You should invite all people you trusted to join, rather than
> pushing
> > > > them
> > > > > away.
> > > > > This is not just a too-high bar issue. Excluding 4 out of 5 is
> strange.
> > > > > I can't guess what is the root cause, why the other 4 PPMC members
> > > don't
> > > > > touch codes but are trusted completely. Meanwhile, people with
> easily
> > > > > measurable code contributions are just as committers?
> > > > > We(ASF) always remind the community to recognize no-code
> contribution,
> > > > but
> > > > > in this case, it seems the opposite? Don't recognize code
> contributors
> > > > > enough?
> > > > > Please reach your mentors, this seems not a typical ASF style. If
> you
> > > > have
> > > > > other people already involved in the ASF, asking them too.
> > > > >
> > > > > And from your description of the release process, I think you
> should
> > > talk
> > > > > more with your mentors.
> > > > > Such as what is a qualified ASF release, what should be checked.
> > > > > This is not a block, the point I mentioned this is, you will need
> more
> > > > > people.
> > > > >
> > > > >
> > > > > Sheng Wu 吴晟
> > > > > Twitter, wusheng1108
> > > > >
> > > > >
> > > > > Kent Yao <yao@apache.org> 于2021年6月2日周三 下午10:37写道:
> > > > >
> > > > > > Hi Sheng,
> > > > > >
> > > > > > Thanks for your detailed check and valuable comments. They are
> > > > > > accommodating. I have addressed some of them directly in the
> > > proposal.
> > > > > > Please also check the table below for some Q&As.
> > > > > > QA
> > > > > > You listed only 5 core maintainers, but clearly only one has
> > > dominated
> > > > > > contributions. The distortion and skewness of the contributions
> are
> > > > > mainly
> > > > > > caused by the way how we merge PRs changed(mentioned in another
> email
> > > > on
> > > > > > the list).
> > > > > > I agree with Atri, orphaned is measurable. It is better to adjust
> > > this
> > > > > > statement a little. Address the comment to notify the risk in
the
> > > > Kyuubi
> > > > > > proposal.
> > > > > > Also, with this fact, the core maintainers should notice whether
> this
> > > > > small
> > > > > > group of people to make sure your features iteration, bug fix,
> and
> > > > > release
> > > > > > process working by following ASF's requirements.This would not
> be an
> > > > easy
> > > > > > job. Currently, we learn the release process from some Apache
> > > projects,
> > > > > > using major.minor.patch for versioning. As we can see, since
> Kyuubi
> > > > 1.0,
> > > > > it
> > > > > > takes us 2 ~ 3 weeks for a patch release that contains 5-10
bug
> fixes
> > > > > until
> > > > > > EOL. And it takes us about two months to finish a minor release
> with
> > > 3
> > > > ~
> > > > > 5
> > > > > > big improvements and various small features/bug fixes. We also
> will
> > > > start
> > > > > > with some release candidates for preview and test before the
> final.
> > > > This
> > > > > is
> > > > > > how we develop and release Kyuubi for now, but we do have a
long
> way
> > > to
> > > > > go
> > > > > > and learn to match the ASF requirement.
> > > > > > And your committer list is very strange... 1. Why some of them
> are
> > > PPMC
> > > > > and
> > > > > > others are committers? Where this hierarchy comes from? The
> current
> > > > PPMC
> > > > > > candidates help us a lot build the Kyuubi project and community,
> not
> > > > > > directly to the codebase but as mentors(before Apache). Most
of
> them
> > > > are
> > > > > > from Apache mature TLPs, which have close relationships with
> Kyuubi.
> > > > They
> > > > > > have sufficient Apache Way experience to guide us to become
a
> more
> > > > > > Apache-like project before submitting this proposal in many
> ways. We
> > > > will
> > > > > > continue to promote more contributors to the PPMC/committer
> based on
> > > > > their
> > > > > > code or non-code contributions during incubation.
> > > > > > 2. Your core maintainers have 5, which only 4 PPMC? The current
> #.2
> > > - 5
> > > > > top
> > > > > > contributors will stay as committers, and they will join the
PPMC
> > > > during
> > > > > > incubation.
> > > > > > 3. I think only the top 4 have over 400 LOC, why you declared
you
> > > have
> > > > 5
> > > > > > core developers? I didn't notice that 400 LOC is a bar for core
> > > > > developer,
> > > > > > will change 5 to 4 core developers accordingly
> > > > > > I think you don't have enough no-salaried developers, am I
> missing
> > > > > > anything? Yes.
> > > > > > Changed in the proposal, most of the contributors are salaried,
> and
> > > > some
> > > > > of
> > > > > > them are willing to help in the spare time. Thanks
> > > > > > This project belongs to NetEase Inc. clearly, why NO SGA? Added
> SGA
> > > in
> > > > > > Proposal. All work here is approved by NetEase and can be
> forward.
> > > > > > At last, you are asking about
> > > > github.com/apache/incubator-kyuubi-shaded
> > > > > > repo,
> > > > > > what does this represent? I can only see you have only one source
> > > repo
> > > > > and
> > > > > > a doc repo. Removed this requirement in the proposal, and we
will
> > > apply
> > > > > it
> > > > > > from IPMC if we do need this in the future.
> > > > > > ------------------------------
> > > > > >
> > > > > > Bests
> > > > > >
> > > > > > Kent Yao
> > > > > >
> > > > > > Sheng Wu <wu.sheng.841108@gmail.com> 于2021年6月2日周三
下午5:45写道:
> > > > > >
> > > > > > > Hi
> > > > > > >
> > > > > > > I read the contributor list and the proposal
> > > > > > > > The risk of the Kyuubi project being abandoned is
minimal.
> Many
> > > > > > > organizations are using Kyuubi to build critical big data
> pipelines
> > > > and
> > > > > > > willing to help develop Kyuubi's community if it becomes
an ASF
> > > > > project.
> > > > > > >
> > > > > > > I think the team should evaluate the status again. You
listed
> only
> > > 5
> > > > > core
> > > > > > > maintainers, but clearly only one has dominated contributions.
> I
> > > > agree
> > > > > > with
> > > > > > > Atri, orphaned is measurable.
> > > > > > > It is better to adjust this statement a little. Also, with
this
> > > fact,
> > > > > the
> > > > > > > core maintainers should notice whether this small group
of
> people
> > > to
> > > > > make
> > > > > > > sure your features iteration, bug fix, and release process
> working
> > > by
> > > > > > > following ASF's requirements.
> > > > > > > This would not be an easy job.
> > > > > > >
> > > > > > > And your committer list is very strange
> > > > > > > ```
> > > > > > > Kent Yao (yao@apache.org) (PPMC)
> > > > > > > Wenchen Fan (wenchen@apache.org) (PPMC)
> > > > > > > Wanqiang Ji (jiwq@apache.org) (PPMC)
> > > > > > > Xun Liu (liuxun@apache.org) (PPMC)
> > > > > > > Fei Wang (cn.feiwang@gmail.com)
> > > > > > > Ulysses You (ulyssesyou18@gmail.com)
> > > > > > > Cheng Pan (pan3793@gmail.com)
> > > > > > > Hongxiang Jiang (jhx1008@gmail.com)
> > > > > > > Zen Jin(xinjingziranchan@gmail.com)
> > > > > > > ```
> > > > > > > 1. Why some of them are PPMC and others are committers?
Where
> this
> > > > > > > hierarchy comes from?
> > > > > > > 2. Your core maintainers have 5, which only 4 PPMC? (Even
> hierarchy
> > > > > makes
> > > > > > > sense, most likely not)
> > > > > > > 3. I think only the top 4 have over 400 LOC, why you declared
> you
> > > > have
> > > > > 5
> > > > > > > core developers?
> > > > > > >
> > > > > > > Another re-evaluation request is about `Reliance on Salaried
> > > > > Developers:`
> > > > > > > > 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.
> > > > > > >
> > > > > > > I think you don't have enough no-salaried developers, am
I
> missing
> > > > > > > anything?
> > > > > > >
> > > > > > > About IP clearance, `Initial Source and Intellectual Property
> > > > > Submission
> > > > > > > Plan`
> > > > > > > > As soon as Kyuubi is approved to join Apache Incubator,
our
> > > initial
> > > > > > > committers will submit iCLA(s) and CCLA(s). The codebase
is
> already
> > > > > > > licensed under the Apache License 2.0.
> > > > > > >
> > > > > > > This project belongs to NetEase Inc. clearly, why NO SGA?
> > > > > > >
> > > > > > > At last, you are asking about `
> > > > > > github.com/apache/incubator-kyuubi-shaded`
> <http://github.com/apache/incubator-kyuubi-shaded>
> > > <http://github.com/apache/incubator-kyuubi-shaded>
> > > > <http://github.com/apache/incubator-kyuubi-shaded>
> > > > > <http://github.com/apache/incubator-kyuubi-shaded>
> > > > > > <http://github.com/apache/incubator-kyuubi-shaded>
> > > > > > > <http://github.com/apache/incubator-kyuubi-shaded>
> > > > > > > repo, what does this represent? I can only see you have
only
> one
> > > > source
> > > > > > > repo and a doc repo.
> > > > > > >
> > > > > > > Sheng Wu 吴晟
> > > > > > > Twitter, wusheng1108
> > > > > > >
> > > > > > >
> > > > > > > Atri Sharma <atri@apache.org> 于2021年6月2日周三
下午4:49写道:
> > > > > > >
> > > > > > > > Thanks.
> > > > > > > >
> > > > > > > > I looked at the link you advised on and if I am reading
it
> > > > correctly,
> > > > > > top
> > > > > > > > committer has 630ish commits and the next committer
has 73
> > > commits?
> > > > > > > >
> > > > > > > > IMO this is an indication of the community not being
active
> > > enough
> > > > > and
> > > > > > > > hence the risk of project getting orphaned is measurable.
> > > > > > > >
> > > > > > > > Atri
> > > > > > > >
> > > > > > > > On Wed, 2 Jun 2021, 06:57 Willem Jiang, <
> willem.jiang@gmail.com>
> > > > > > wrote:
> > > > > > > >
> > > > > > > > > Hi Atri Sharma,
> > > > > > > > >
> > > > > > > > > It's easier to check out the recent contribution
of kyuubi
> from
> > > > > this
> > > > > > > > > link[1].
> > > > > > > > > We already identified the one person contribution
issue of
> > > kyuubi
> > > > > > when
> > > > > > > > > Kent came to us and we kept reminding him to
put more
> effort
> > > into
> > > > > > > > > building the community.
> > > > > > > > > Last week I had a long F2F conversation with
Kent, I think
> he
> > > > > already
> > > > > > > > > knows about it and there have been some improvements
in
> recent
> > > > > months
> > > > > > > > > but there is still a long way to go if Kyuubi
is accepted
> as a
> > > > > > podling
> > > > > > > > > in the Apache Incubator.
> > > > > > > > >
> > > > > > > > > [1]https://github.com/NetEase/kyuubi/graphs/contributors
> > > > > > > > >
> > > > > > > > > Willem Jiang
> > > > > > > > >
> > > > > > > > > Twitter: willemjiang
> > > > > > > > > Weibo: 姜宁willem
> > > > > > > > >
> > > > > > > > > On Tue, Jun 1, 2021 at 10:52 PM Atri Sharma <
> atri@apache.org>
> > > > > wrote:
> > > > > > > > > >
> > > > > > > > > > Hi,
> > > > > > > > > >
> > > > > > > > > > I took a look at commit log and seems like
all the
> commits
> > > for
> > > > > > last 3
> > > > > > > > > > months have been done by a single person.
> > > > > > > > > >
> > > > > > > > > > How active are the remaining committers?
> > > > > > > > > >
> > > > > > > > > > On Mon, 31 May 2021, 12:59 Kent Yao, <yao@apache.org>
> wrote:
> > > > > > > > > >
> > > > > > > > > > > Hi Alexander Alten,
> > > > > > > > > > >
> > > > > > > > > > > Thanks for your interest and +1 for
Kyuubi.
> > > > > > > > > > >
> > > > > > > > > > > Not being very familiar with Dremel,
I just took a
> quick
> > > look
> > > > > at
> > > > > > > the
> > > > > > > > > > > profile of a very similar and exciting
project, Apache
> > > Drill.
> > > > > If
> > > > > > I
> > > > > > > > > > > understand correctly, Kyuubi is built
on top of the
> compute
> > > > > layer
> > > > > > > > > > > (Apache Spark), while Apache Drill
is built on top of
> the
> > > > > storage
> > > > > > > > > > > layer.
> > > > > > > > > > >
> > > > > > > > > > > Apache Spark has a large user base
and usage scenarios
> all
> > > > over
> > > > > > the
> > > > > > > > > > > world. When users have some basic Spark
programming and
> > > > tuning
> > > > > > > > skills,
> > > > > > > > > > > things are easy for them. But many
times, most users
> do not
> > > > > have
> > > > > > > all
> > > > > > > > > > > of these abilities when they use Spark
directly or
> > > > indirectly.
> > > > > We
> > > > > > > > want
> > > > > > > > > > > to build a more easy-to-use platform
on top of it to
> help
> > > > these
> > > > > > > > users.
> > > > > > > > > > > On the one hand, we will work on the
interface layer to
> > > make
> > > > it
> > > > > > > easy
> > > > > > > > > > > to access (of course, this effort will
make our project
> > > look
> > > > > very
> > > > > > > > > > > similar to other projects, such as
HiveServer2). On the
> > > other
> > > > > > hand,
> > > > > > > > we
> > > > > > > > > > > will work under Kyuubi's multi-tenant
architecture to
> > > extend
> > > > > our
> > > > > > > > > > > on-prem Spark SQL engine(a.k.a Kyuubi
engine) to make
> it
> > > more
> > > > > > > stable
> > > > > > > > > > > and efficient in our scenario.
> > > > > > > > > > >
> > > > > > > > > > > What's more, we are going to add more
on-prem Kyuubi
> engine
> > > > > > types,
> > > > > > > > e.g.
> > > > > > > > > > > Flink.
> > > > > > > > > > >
> > > > > > > > > > > Alexander Alten <alo@scalytics.io>
于2021年5月31日周一
> 下午2:35写道:
> > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > > Hey,
> > > > > > > > > > > >
> > > > > > > > > > > > Looks like an interesting project,
competition to
> > > > Starburst.
> > > > > > How
> > > > > > > > > does it
> > > > > > > > > > > > compare to Apache Dremel?
> > > > > > > > > > > >
> > > > > > > > > > > >  +1 (non-binding) for incubation.
> > > > > > > > > > > >
> > > > > > > > > > > > Thanks and stay safe,
> > > > > > > > > > > > --alex
> > > > > > > > > > > >
> > > > > > > > > > > > On Mon, May 31, 2021, 08:21 Kent
Yao <yao@apache.org
> >
> > > > wrote:
> > > > > > > > > > > >
> > > > > > > > > > > > > Dear all,
> > > > > > > > > > > > >
> > > > > > > > > > > > > We want to propose Kyuubi
as a new Apache Incubator
> > > > > project.
> > > > > > > > > > > > >
> > > > > > > > > > > > > Kyuubi is a distributed multi-tenant
Thrift
> JDBC/ODBC
> > > > > server
> > > > > > > for
> > > > > > > > > > > > > large-scale data management,
processing, and
> analytics,
> > > > > built
> > > > > > > on
> > > > > > > > > top
> > > > > > > > > > > > > of Apache Spark and designed
to support more
> engines
> > > > (i.e.,
> > > > > > > > Apache
> > > > > > > > > > > > > Flink). We are aiming to
make Kyuubi an
> > > "out-of-the-box"
> > > > > tool
> > > > > > > for
> > > > > > > > > data
> > > > > > > > > > > > > warehouses and data lakes.
Kyuubi concentrates on
> > > > improving
> > > > > > the
> > > > > > > > > > > > > experience for non-Spark
users, making it easy for
> them
> > > > to
> > > > > > use
> > > > > > > > > Spark
> > > > > > > > > > > > > as a service and focus on
business data of their
> own,
> > > not
> > > > > > where
> > > > > > > > it
> > > > > > > > > > > > > stores, how it computes.
NetEase has open-sourced
> > > Kyuubi
> > > > > > since
> > > > > > > > > 2018,
> > > > > > > > > > > > > https://github.com/NetEase/kyuubi.
> > > > > > > > > > > > >
> > > > > > > > > > > > > Many thanks to Willem Jiang
(Champion), Jeff
> Zhang, Duo
> > > > > > Zhang,
> > > > > > > > > Akira
> > > > > > > > > > > > > Ajisaka for being the mentors
of the Kyuubi
> project and
> > > > > > helping
> > > > > > > > us
> > > > > > > > > set
> > > > > > > > > > > > > up this proposal. The proposal
can be found at
> > > > > > > > > > > > >
> > > > > > > > >
> > > > >
> https://cwiki.apache.org/confluence/display/INCUBATOR/KyuubiProposal
> > > > > > .
> > > > > > > > > > > > >
> > > > > > > > > > > > > Looking forward to your feedback
and thank you very
> > > much.
> > > > > > > > > > > > >
> > > > > > > > > > > > > Best regards,
> > > > > > > > > > > > > Kent Yao
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > >
> > > > >
> ---------------------------------------------------------------------
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> > > > > > > > > > > > > For additional commands,
e-mail:
> > > > > > > > general-help@incubator.apache.org
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > --
> > > > > > > > > > >
> > > > > > > > > > >  Kent Yao
> > > > > > > > > > > @ Data Science Center, Hangzhou Research
Institute,
> NetEase
> > > > > Corp.
> > > > > > > > > > > a spark enthusiast
> > > > > > > > > > > kyuubiis a unified multi-tenant JDBC
interface for
> > > > large-scale
> > > > > > data
> > > > > > > > > > > processing and analytics, built on
top of Apache Spark.
> > > > > > > > > > >
> > > > > > > > > > > spark-authorizerA Spark SQL extension
which provides
> SQL
> > > > > Standard
> > > > > > > > > > > Authorization for Apache Spark.
> > > > > > > > > > > spark-postgres A library for reading
data from and
> > > > transferring
> > > > > > > data
> > > > > > > > > > > to Postgres / Greenplum with Spark
SQL and DataFrames,
> > > > 10~100x
> > > > > > > > faster.
> > > > > > > > > > > itatchiA library that brings useful
functions from
> various
> > > > > modern
> > > > > > > > > > > database management systems to Apache
Spark.
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > >
> > > ---------------------------------------------------------------------
> > > > > > > > > > > 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
> > > > > > > > >
> > > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > >
> > > > > >
> > > > > > --
> > > > > >
> > > > > >  *Kent Yao *
> > > > > > @ Data Science Center, Hangzhou Research Institute, NetEase
Corp.
> > > > > > a spark enthusiast
> > > > > > kyuubi <https://github.com/yaooqinn/kyuubi>is a unified
> multi-tenant
> > > > > JDBC
> > > > > > interface for large-scale data processing and analytics, built
> on top
> > > > of
> > > > > > Apache
> > > > > > Spark <http://spark.apache.org/>.
> > > > > > spark-authorizer <https://github.com/yaooqinn/spark-authorizer>A
> > > Spark
> > > > > SQL
> > > > > > extension which provides SQL Standard Authorization for Apache
> Spark
> > > > > > <http://spark.apache.org/>.
> > > > > > spark-postgres <https://github.com/yaooqinn/spark-postgres>
A
> > > library
> > > > > for
> > > > > > reading data from and transferring data to Postgres / Greenplum
> with
> > > > > Spark
> > > > > > SQL and DataFrames, 10~100x faster.
> > > > > > itatchi <https://github.com/yaooqinn/spark-func-extras>A
library
> > > that
> > > > > > brings useful functions from various modern database management
> > > > > > systems to Apache
> > > > > > Spark <http://spark.apache.org/>.
> > > > > >
> > > > >
> > > >
> > > >
> > > > --
> > > >
> > > >  *Kent Yao *
> > > > @ Data Science Center, Hangzhou Research Institute, NetEase Corp.
> > > > a spark enthusiast
> > > > kyuubi <https://github.com/yaooqinn/kyuubi>is a unified multi-tenant
> > > JDBC
> > > > interface for large-scale data processing and analytics, built on
> top of
> > > > Apache
> > > > Spark <http://spark.apache.org/>.
> > > > spark-authorizer <https://github.com/yaooqinn/spark-authorizer>A
> Spark
> > > SQL
> > > > extension which provides SQL Standard Authorization for Apache Spark
> > > > <http://spark.apache.org/>.
> > > > spark-postgres <https://github.com/yaooqinn/spark-postgres> A
> library
> > > for
> > > > reading data from and transferring data to Postgres / Greenplum with
> > > Spark
> > > > SQL and DataFrames, 10~100x faster.
> > > > itatchi <https://github.com/yaooqinn/spark-func-extras>A library
> that
> > > > brings useful functions from various modern database management
> > > > systems to Apache
> > > > Spark <http://spark.apache.org/>.
> > > >
> > >
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: general-unsubscribe@incubator.apache.org
> For additional commands, e-mail: general-help@incubator.apache.org
>
> --
Thanks,
Ming Wen, Apache APISIX PMC Chair
Twitter: _WenMing

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